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Lawrence Livermore National Security Llc patents


Recent patent applications related to Lawrence Livermore National Security Llc. Lawrence Livermore National Security Llc is listed as an Agent/Assignee. Note: Lawrence Livermore National Security Llc may have other listings under different names/spellings. We're not affiliated with Lawrence Livermore National Security Llc, we're just tracking patents.

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Hybrid indirect-drive/direct-drive target for inertial confinement fusion

A hybrid indirect-drive/direct drive for inertial confinement fusion utilizing laser beams from a first direction and laser beams from a second direction including a central fusion fuel component; a first portion of a shell surrounding said central fusion fuel component, said first portion of a shell having a first thickness; a second portion of a shell surrounding said fusion fuel component, said second portion of a shell having a second thickness that is greater than said thickness of said first portion of a shell; and a hohlraum containing at least a portion of said fusion fuel component and at least a portion of said first portion of a shell; wherein said hohlraum is in a position relative to said first laser beam and to receive said first laser beam and produce x-rays that are directed to said first portion of a shell and said fusion fuel component; and wherein said fusion fuel component and said second portion of a shell are in a position relative to said second laser beam such that said second portion of a shell and said fusion fuel component receive said second laser beam.. . ... Lawrence Livermore National Security Llc

Using colloidal silica as a zonal isolation material and fast path blocker in geological formations

A system for blocking fast flow paths in geological formations includes preparing a solution of colloidal silica having a nonviscous phase and a solid gel phase. The solution of colloidal silica is injected into the geological formations while the solution of colloidal silica is in the nonviscous phase. ... Lawrence Livermore National Security Llc

Three-dimensional deterministic graphene architectures formed using three-dimensional templates

In one embodiment, a composition of matter includes: a plurality of ligaments each independently comprising one or more layers of graphene; where the plurality of ligaments are arranged according to a deterministic three-dimensional (3d) pattern. In another embodiment, a method of forming a deterministic three-dimensional (3d) architecture of graphene includes: forming or providing a substrate structurally characterized by a predefined 3d pattern; forming one or more layers of metal on surfaces of the substrate; and forming one or more layers of graphene on surfaces of the metal.. ... Lawrence Livermore National Security Llc

Architected three dimensional graphene via additive manufacturing

Disclosed here is a method for making an architected three-dimensional aerogel, comprising providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a precursor for graphene, metal oxide or metal chalcogenide; curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three dimensional structure; drying the wet gel to produce a dry gel; and pyrolyzing the dry gel to produce an architected three-dimensional aerogel. Also disclosure is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and graphene oxide.. ... Lawrence Livermore National Security Llc

Engineered microbes for rare earth element adsorption

This disclosure provides engineered microbes modified such that the surface of the microbe contains one or more rare earth element (ree) binding ligands, as well as methods of use thereof.. . ... Lawrence Livermore National Security Llc

Accelerating fissile material detection with a neutron source

A neutron detector system for discriminating fissile material from non-fissile material wherein a digital data acquisition unit collects data at high rate, and in real-time processes large volumes of data directly to count neutrons from the unknown source and detecting excess grouped neutrons to identify fission in the unknown source. The system includes a poisson neutron generator for in-beam interrogation of a possible fissile neutron source and a dc power supply that exhibits electrical ripple on the order of less than one part per million. ... Lawrence Livermore National Security Llc

Accelerating fissile material detection with a neutron source

A neutron detector system for discriminating fissile material from non-fissile material wherein a digital data acquisition unit collects data at high rate, and in real-time processes large volumes of data directly to count neutrons from the unknown source and detecting excess grouped neutrons to identify fission in the unknown source. The system includes a poisson neutron generator for in-beam interrogation of a possible fissile neutron source and a dc power supply that exhibits electrical ripple on the order of less than one part per million. ... Lawrence Livermore National Security Llc

Synthetic apolipoproteins, and related compositions methods and systems for nanolipoprotein particles formation

Synthetic apolipoproteins based on native/naturally occurring homolog proteins can be prepared using solid-phase peptide synthesis approaches combined with native chemical ligation methods to create analogs of full length apolipoproteins. The chemical synthesis is expected to allow introduction of non-natural amino acids, e.g., α,α′-dialkyl amino acids, with a periodicity that encourages both helix formation and amphipathicity. ... Lawrence Livermore National Security Llc

Few-view image reconstruction

A ct image reconstruction system is provided that provides a solution to a few-view problem by generating a 3d image from measurements and a forward projection matrix for a ct scan of an object that tends to minimize streaks and other artifacts. The system initially receives measurements and a forward projection matrix for the ct scan. ... Lawrence Livermore National Security Llc

Droplet array for single-cell analysis

Techniques, systems, and devices are described for implementing a droplet array for single-cell analysis. A method of conducting single-cell analysis comprises generating a plurality of droplets, wherein each of the plurality of droplets contains a core material surrounded by a protective shell; loading the plurality of droplets, via a carrying fluid, onto an array including a plurality of trap structures, wherein the plurality of droplets are held by the plurality of trap structures; selecting a target droplet, held by a trap structure, from the plurality of droplets; and releasing the target droplet from the trap structure.. ... Lawrence Livermore National Security Llc

Cylindrical microelectrode array for neural stimulation and recording

A cylindrical microelectrode array having an elongated cylindrical core, and a multilayer structure conformally folded around and affixed to the cylindrical core so as to extend between opposite ends of the core. The multilayer structure has integrated sections including an electrode section with electrodes exposed through electrically insulating layers, a connector section with conductive bond pads for interfacing with external electronics, and a cable section with conductive traces encapsulated in electrically insulating layers and which connect between the electrodes and their corresponding bond pads. ... Lawrence Livermore National Security Llc

Bi-directional, transformerless voltage system

A multi-stage electric voltage converter is disclosed. The converter comprises a voltage source and multiple stages. ... Lawrence Livermore National Security Llc

Optically clear photo-polymerization resists for additive manufacturing of radiopaque parts

According to one embodiment, a method includes contacting a triiodobenzoic acid with an oxalyl chloride in a solvent whereby triiodobenzoyl chloride is formed, contacting diethanolamine with triiodobenzoyl chloride where triiodobenzoic diol amine is formed, and forming an acrylate of triiodobenzoic diol amine with acryloyl chloride where an organoiodine compound is formed. According to another embodiment, an optically clear photopolymer resist blend for additive manufacturing includes a radiopaque pre-polymer compound where the compound includes at least one of the following: iodine, bromine, tin, lead, or bismuth. ... Lawrence Livermore National Security Llc

Liquid semiconductor-halogen based electronics

According to one embodiment, a device includes a first electrode, a second electrode spaced from the first electrode, a well extending between the first electrode and the second electrode, one or more chalcogens in the well, and at least one halogen mixed with the one or more chalcogens in the well. In addition, the chalcogens are selected from the group consisting of sulfur, selenium, tellurium, and polonium.. ... Lawrence Livermore National Security Llc

05/24/18 / #20180141161

Synthesis of asteroidal or meteoritical powder for additive manufacture of high fidelity metallic components in space

Apparatus, systems, and methods for synthesis of powder from asteroids or meteorites and the use of the powder as the feed source for additive manufacturing systems deployed in space. Location and analysis of suitable asteroids or meteorites is demonstrated on earth and later used to produce components and products in space using natural space resources. ... Lawrence Livermore National Security Llc

05/24/18 / #20180140304

Shape memory polymer nanocomposites and uses thereof

The invention relates to radiopaque shape memory foam compositions and methods of using the compositions. In certain embodiments, the compositions are used in neurovascular occlusion applications.. ... Lawrence Livermore National Security Llc

05/17/18 / #20180136113

Detecting isotopologues of carbon dioxide in the atmosphere in concomitance of water or methane

A meteorological tower is provided in a flux site and a solar array is positioned on the tower to provide power. A laser on the tower receives power from the solar array and produces a laser beam. ... Lawrence Livermore National Security Llc

05/17/18 / #20180134588

Capacitive deionization charge transfer from one capacitor simultaneously to multiple capacitors

An energy transfer system is disclosed which has a controller, a first capacitor acting as a first electrode, a second capacitor acting as a second electrode, a first inductor for storing energy received from the first capacitor, and transferring the stored energy to the second capacitor, and a first plurality of electronic switches. The first plurality of electronic switches may be controlled by the controller to control a transfer of energy from the first capacitor to the first inductor, and from the first inductor to the first capacitor. ... Lawrence Livermore National Security Llc

05/10/18 / #20180130562

Alloys for inert matrix fuel compositions, and methods of making the same

In one embodiment, an alloy includes: zr; fe; cu; ta in an amount from about 1 wt % to about 3 wt %; and one or more optional constituents selected from: ti, be, and nb; and wherein the alloy comprises a ductile phase and a nanoprecipitate hard phase. According to another embodiment, a method of forming an inert matrix nuclear fuel includes: packing a hollow structure with fuel pellets and alloy precursor pellets; heating the fuel pellets and the alloy precursor pellets to at least a melting temperature of an alloy to be formed by melting the alloy precursor pellets; and solidifying the alloy into a matrix surrounding the fuel pellets. ... Lawrence Livermore National Security Llc

05/03/18 / #20180122977

Rapid pulse annealing of cdznte detectors for reducing electronic noise

A combination of doping, rapid pulsed optical and/or thermal annealing, and unique detector structure reduces or eliminates sources of electronic noise in a cdznte (czt) detector. According to several embodiments, methods of forming a detector exhibiting minimal electronic noise include: pulse-annealing at least one surface of a detector comprising czt for one or more pulses, each pulse having a duration of ˜0.1 seconds or less. ... Lawrence Livermore National Security Llc

05/03/18 / #20180122713

Selective surface treatment of thallium bromide (tlbr)-based detectors to improve longevity and/or restore operational capacity thereof

In various approaches room-temperature gamma detector longevity may be improved by selectively removing, or selectively incorporating, alternate halogen component(s) from select surfaces of the detector. According to one embodiment, a method of improving operational longevity of a thallium bromide (tlbr)-based detector includes: selectively treating one or more surfaces of the tlbr-based detector to produce a surface substantially comprising pure tlbr. ... Lawrence Livermore National Security Llc

05/03/18 / #20180120663

Self-powered and reversible light-directed electrophoretic deposition device for use in smart windows and photodetector displays

According to one embodiment, a system includes a first sheet being nonopaque, a second sheet being nonopaque spaced from the first sheet, a spacer positioned between the first sheet and the second sheet, a chamber defined between the first and second sheets and the spacer, and a fluidic solution in the chamber. In addition, the first sheet includes a photoconductive layer. ... Lawrence Livermore National Security Llc

05/03/18 / #20180120241

System-independent characterization of materials using dual-energy computed tomography

A system for characterizing the material of an object scanned via a dual-energy computed tomography scanner is provided. The system generates photoelectric and compton sinograms based on a photoelectric-compton decomposition of low-energy and high-energy sinograms generated from the scan and based on a scanner spectral response model. ... Lawrence Livermore National Security Llc

05/03/18 / #20180118574

Graphene macro-assembly-fullerene composite for electrical energy storage

Disclosed here is a method for producing a graphene macro-assembly (gma)-fullerene composite, comprising providing a gma comprising a three-dimensional network of graphene sheets crosslinked by covalent carbon bonds, and incorporating at least 20 wt. % of at least one fullerene compound into the gma based on the initial weight of the gma to obtain a gma-fullerene composite. ... Lawrence Livermore National Security Llc

04/12/18 / #20180099461

In situ monitoring of direct ink write process using electromagnetic resonant coupling

In the additive manufacturing process, a monitored or controlled mixture of materials is deposited to form an additive manufactured product by delivering the mixture of materials through a material flow path while using an excitation source to introduce electromagnetic energy into the material flow path using a circuit element having inductive or capacitive reactance disposed adjacent the material ejecting orifice. The excitation source produces an electromagnetic field condition within the material flow path that is responsive to at least one of the permeability and permittivity properties of a space within the material flow path. ... Lawrence Livermore National Security Llc

03/29/18 / #20180086007

Optically enhanced patternable photosensitivity via oxygen excitation

A method is disclosed for performing a three dimensional (3d) printing process. The method involves generating a primary light beam having a wavelength sufficient to initiate polymerization of a photoresin, and patterning the primary light beam into a patterned primary beam. ... Lawrence Livermore National Security Llc

03/22/18 / #20180079829

Apolipoprotein nanodiscs with telodendrimer

The present invention provides a nanodisc with a membrane scaffold protein. The nanodisc includes a membrane scaffold protein, a telodendrimer and a lipid. ... Lawrence Livermore National Security Llc

03/15/18 / #20180074174

Object discrimination based on a swarm of agents

A configuration system for identifying a target configuration of agents for acquiring data is provided. In some embodiments, the configuration system generates sample configurations, each of which has a location within the space for each agent. ... Lawrence Livermore National Security Llc

03/08/18 / #20180068582

Realistic training scenario simulators and simulation techniques

In one embodiment, a system for simulating emergency events includes: a signal generator operatively coupleable to one or more detectors; and a controller operably coupled to the signal generator and configured to cause the signal generator to: generate one or more synthetic signals based at least in part on data comprising one or more of: trainee identity, trainee role, synthesized data, and one or more measurements taken during a simulation; and communicate the synthetic signal(s) to the detector(s) by injecting the synthetic signals) directly into a position of a receive path of the detector(s) that is upstream of signal processing electronics of the detector(s) and downstream of a sensor of the detector(s). The synthetic signal(s) is/are waveform signals representative of at least one emergency event; and the synthetic signahs) is/are utilized to mimic conditions during emergency event(s) and under particular emergency conditions. ... Lawrence Livermore National Security Llc

03/01/18 / #20180059541

Click-chemistry compatible structures, click-chemistry functionalized structures, and materials and methods for making the same

According to various embodiments, systems, methods, and computer program products for click-chemistry compatible structures, additive manufacturing resins for forming the same, and method of formation of such structures and resins, as well as techniques for functionalizing click-chemistry compatible structures are disclosed. The inventive structures generally include a plurality of photo polymerized molecules structurally arranged according to a three-dimensional pattern, while surfaces of the structure are functionalized with one or more click-chemistry compatible molecules each having one or more click-chemistry compatible functional groups. ... Lawrence Livermore National Security Llc

03/01/18 / #20180059540

Click-chemistry compatible structures, click-chemistry functionalized structures, and materials and methods for making the same

According to several embodiments, a composition of matter includes: a three-dimensional structure comprising photo polymerized molecules. At least some of the photo polymerized molecules further comprise one or more protected click-chemistry compatible functional groups; and at least portions of one or more surfaces of the three-dimensional structure are functionalized with one or more of the protected click-chemistry compatible functional groups. ... Lawrence Livermore National Security Llc

02/22/18 / #20180053329

Annotation of images based on a 3d model of objects

An annotation system for providing annotations for original images is provided. In some embodiments, the annotation system accesses an annotation associated with an object of a 3d model. ... Lawrence Livermore National Security Llc

02/15/18 / #20180045544

Uv laser based stand-off acoustic sensor

A system for aerially surveying an area where a plane may have crashed in water and locating pings from the plane's black box using a laser on an aerial platform that produces laser pulses; using a launch telescope to direct the laser pulses to the water producing scattering from the laser pulses and a continuous stream of backscatter; using a receiving telescope to collect the continuous stream of backscatter; using an interferometer operatively connected to the receiving telescope to produce two outputs, wherein one output is the continuous stream of backscatter, and wherein the other output is a delayed replica of the first output; and using a data collection and analysis unit operatively connected to the interferometer to produce a measurement of the sound.. . ... Lawrence Livermore National Security Llc

01/25/18 / #20180025253

Identification of uncommon objects in containers

A system for identifying in an image an object that is commonly found in a collection of images and for identifying a portion of an image that represents an object based on a consensus analysis of segmentations of the image. The system collects images of containers that contain objects for generating a collection of common objects within the containers. ... Lawrence Livermore National Security Llc

01/25/18 / #20180024130

Detector and related, devices, methods and systems

Systems are described, based on a primary binding compound and a secondary binding compound used in combination with a support to detect a target in a sample. The systems includes at least one support structure, at least one small primary support portion containing at least one molecule covalently bound to a visual colloidal marker, a plurality of secondary support portions comprising secondary binding compounds that are covalently bound to the support portions and chemically active, at least one ph litmus indicator, at least one ph strip, a buffer for lateral flow on the porous membrane support that allows preservation and activity of binding compounds.. ... Lawrence Livermore National Security Llc

01/18/18 / #20180016680

Metal-containing photopolymer resins generated by reduction of dissolved metal salts

According to one embodiment, a three-dimensional structure includes: at least one photopolymer having at least one metal dispersed throughout at least portions of a bulk of the structure. The structure is characterized by features having a horizontal and/or vertical feature resolution in a range from several hundred nanometers to several hundred microns. ... Lawrence Livermore National Security Llc

01/18/18 / #20180016145

Conversion of additively manufactured organic polymer parts to substantially pure carbon

In one embodiment, a method includes creating a three-dimensional, carbon-containing structure using an additive manufacturing technique and converting the three-dimensional, carbon-containing structure to a substantially pure carbon structure. Moreover, the substantially pure carbon structure has an average feature diameter of less than about 100 nm. ... Lawrence Livermore National Security Llc

01/18/18 / #20180015672

Multi-beam resin curing system and method for whole-volume additive manufacturing

A multi-beam volumetric resin curing system and method for whole-volume additive manufacturing of an object includes a bath containing a photosensitive resin, a light source for producing a light beam, and a spatial light modulator which produces a phase- or intensity-modulated light beam by impressing a phase profile or intensity profile of an image onto a light beam received from the light source. The system and method also include projection optics which then produces multiple sub-image beams from the modulated light beam which are projected to intersect each other in the photosensitive resin to cure select volumetric regions of the resin in a whole-volume three-dimensional pattern representing the object.. ... Lawrence Livermore National Security Llc

01/18/18 / #20180015567

Direct writing nozzle system for additive manufacturing

A nozzle apparatus used for extruding a material includes an internal spindle that imparts motion into the extruding material, the internal spindle having a base; a multiple degree-of-freedom pivot at the base of the internal spindle, and a drive mechanism that controls the motion of the internal spindle. In one embodiment the material is a semi-solid metal or alloy. ... Lawrence Livermore National Security Llc

01/18/18 / #20180015538

Cross-phase separation of nanowires and nanoparticles

In one embodiment, a process includes creating a mixture of an aqueous component, nanowires and nanoparticles, and a hydrophobic solvent and allowing migration of the nanowires to the hydrophobic solvent, where the nanoparticles remain in the aqueous component. Moreover, the nanowires and nanoparticles are in the aqueous component before the migration.. ... Lawrence Livermore National Security Llc

01/18/18 / #20180015436

Tailoring of pores in aerogels using 3d printed structures

In one embodiment, a method includes acquiring a three-dimensional printed template created using an additive manufacturing technique, infilling the template with an aerogel precursor solution, allowing formation of a sol-gel, and converting the sol-gel to an aerogel. In another embodiment, a product includes an aerogel having inner channels corresponding to outer walls of a three-dimensional printed template around which the aerogel was formed.. ... Lawrence Livermore National Security Llc

01/11/18 / #20180013331

Electrostatic generator electrode-centering and seismic-isolation system for flywheel-based energy storage modules

Robust electro-static (es) device embodiments, with application to energy storage flywheels as an example, are described that provide reliable, high-efficiency operation in the presence of thermal and mechanical perturbations, as well as seismic events. Electro-static generators and motors, when augmented with magnetic bearings, passive three-dimensional stabilization techniques and dynamic touch-down bearings, enable robust performance in the face of these environmental concerns, as well as efficient operation during typical operational sequences, including spin-up and steady-state modalities.. ... Lawrence Livermore National Security Llc

01/11/18 / #20180013029

Reliable electrical contacts for high power photoconductive switches

A photoconductive switch consisting of an optically actuated photoconductive material, e.g. A wide bandgap semiconductor such as sic, situated between opposing electrodes. ... Lawrence Livermore National Security Llc

01/11/18 / #20180013028

Photoconductive switch package configurations

Methods, systems, and devices are disclosed for photoconductive switch package configurations. In some aspects, a photoconductive switch package includes of a wide bandgap photoconductive material (e.g., gan, zno, diamond, aln, sic, bn, etc.), a source for energetic photons (e.g., a laser), a mechanism to couple the laser into the switch, and a mechanism for high voltage to enter and leave the switch package. ... Lawrence Livermore National Security Llc

01/04/18 / #20180003832

Accelerating fissile material detection with a neutron source

A neutron detector system for discriminating fissile material from non-fissile material wherein a digital data acquisition unit collects data at high rate, and in real-time processes large volumes of data directly to count neutrons from the unknown source and detecting excess grouped neutrons to identify fission in the unknown source. The system includes a poisson neutron generator for in-beam interrogation of a possible fissile neutron source and a dc power supply that exhibits electrical ripple on the order of less than one part per million. ... Lawrence Livermore National Security Llc

01/04/18 / #20180002599

Extreme synthesis of crystalline aerogel materials from amorphous aerogel precursors

A method includes positioning a porous structure in a pressure cell; injecting an inert pressure medium within the pressure cell; and pressurizing the pressure cell to a pressure that thermodynamically favors a crystalline phase of the porous structure over an amorphous phase of the porous structure to transition the amorphous phase of the porous structure into the crystalline phase of the porous structure.. . ... Lawrence Livermore National Security Llc

12/28/17 / #20170373457

Waveguide for diode-pumped alkali lasers

. . An improved architecture for optical waveguides as used in a diode-pumped alkali laser system is provided by using micro-channel-etched silicon or other metal in place of the more usual sapphire.. . ... Lawrence Livermore National Security Llc

12/28/17 / #20170370930

Detector and related, devices, methods and systems

Detector systems are described, based on a primary binding compound and a secondary binding compound used in combination with a support to detect a target in a sample. The detection systems include a liquid medium hosting a first binding compound specific to a target, the first binding compound comprising a label; and a solid medium hosting a second binding compound specific to the target, the second binding compound being different from and non-competitive with respect to the first binding compound.. ... Lawrence Livermore National Security Llc

12/28/17 / #20170368396

Halide-mediated dealkylation of phosphotriesters

In one embodiment, a method includes contacting a phosphotriester and a halogen salt in a polar solvent. In another embodiment, a method for dealkylating tributylphosphate includes contacting tributylphosphate and a halogen salt in a polar solvent.. ... Lawrence Livermore National Security Llc

12/21/17 / #20170362372

Shape memory polymers

New shape memory polymer compositions, methods for synthesizing new shape memory polymers, and apparatus comprising an actuator and a shape memory polymer wherein the shape memory polymer comprises at least a portion of the actuator. A shape memory polymer comprising a polymer composition which physically forms a network structure wherein the polymer composition has shape-memory behavior and can be formed into a permanent primary shape, re-formed into a stable secondary shape, and controllably actuated to recover the permanent primary shape. ... Lawrence Livermore National Security Llc

12/14/17 / #20170356492

Halbach-array levitating passive magnetic bearing configuration

Novel configurations of levitating passive magnetic bearing configurations are described. Such configurations can be used for the precise control of the magnitude and sign of the bearing stiffness, thereby facilitating the overall design of the system in ways that are not possible with conventional attractive or repelling bearing elements.. ... Lawrence Livermore National Security Llc

12/07/17 / #20170353078

Halbach-array radial stabilizer for a passive magnetic bearing

A radial stabilizer is provided for stabilizing levitation passive bearing elements against lateral displacements. The stabilizer provides a means to introduce anisotropy in the radial stiffness of the stabilizer. ... Lawrence Livermore National Security Llc

12/07/17 / #20170351003

Accelerating fissile material detection with a neutron source

A neutron detector system for discriminating fissile material from non-fissile material wherein a digital data acquisition unit collects data at high rate, and in real-time processes large volumes of data directly to count neutrons from the unknown source and detecting excess grouped neutrons to identify fission in the unknown source. The system includes a poisson neutron generator for in-beam interrogation of a possible fissile neutron source and a dc power supply that exhibits electrical ripple on the order of less than one part per million. ... Lawrence Livermore National Security Llc

12/07/17 / #20170348534

Method to pattern <10 micrometer conducting and passivating features on 3d substrates for implantable devices

An implantable device has a cylindrical base, at least one electrode on the cylindrical base, at least one electrically conducting lead on the cylindrical base connected to the electrode wherein the electrically conducting lead has a feature size of <10 micrometers. A protective coating on the cylindrical base covers the at least one electrically conducting lead.. ... Lawrence Livermore National Security Llc

11/23/17 / #20170335415

Compounds for reactivation of acetylcholinesterase and related compositions methods and systems

Described herein are oxime compounds capable of inactivating a nerve agent, blood brain barrier (bbb)-penetration, and/or reactivation of nerve agent-inhibited acetylcholinesterase (ache) and related methods, systems and compositions for inactivation of one or more nerve agents, therapeutic and/or prophylactic treatment of an individual, and/or decomposition of nerve agent for decontamination.. . ... Lawrence Livermore National Security Llc

11/23/17 / #20170333834

Molten hydroxide membrane for separation of acid gases from emissions

In one embodiment, a separation membrane includes: a porous support structure; and at least one alkali metal hydroxide disposed within pores of the porous support structure. In another embodiment, a method for separating acidic gases from a gas mixture includes exposing the gas mixture to a separation membrane at an elevated temperature, where the separation membrane includes a porous support and at least one molten alkali metal hydroxide disposed within pores of the porous support.. ... Lawrence Livermore National Security Llc

10/26/17 / #20170307467

An optically-based interstory drift meter system for rapid assessment of the earthquake response of building structures

A sensor system provides measurement of building interstory drift based on a laser beam impinging on a discrete diode sensor array. The diode sensor array determines the location at which a projected laser bean strikes the array, which provides a direct measurement of interstory drift. ... Lawrence Livermore National Security Llc

10/26/17 / #20170304795

Nitrogen-doped carbon aerogels for electrical energy storage

Disclosed here is a composition comprising a nitrogen-doped carbon aerogel, wherein the nitrogen-doped carbon aerogel comprises a polymerization product of formaldehyde and at least one nitrogen-containing resorcinol analog. Also disclosed is a supercapacitor comprising the nitrogen-doped carbon aerogel.. ... Lawrence Livermore National Security Llc

10/26/17 / #20170304778

Three dimensional nanoporous membrane having multiple independent, continuous pore systems

According to one embodiment, a composition of matter includes: a first system of continuous voids arranged in a three-dimensional matrix; a second system of continuous voids arranged in the three-dimensional matrix; and a nanoporous barrier separating the first system of continuous voids and the second system of continuous voids. The first system of continuous voids and the second system of continuous voids are interwoven but independent so as to form a plurality of channels through the three-dimensional matrix. ... Lawrence Livermore National Security Llc

09/21/17 / #20170267925

Monolithic rare earth oxide aerogels

Disclosed here is a method for making a monolithic rare earth oxide (reo) aerogel, comprising: preparing a reaction mixture comprising at least one rare earth metal nitrate, at least one epoxide, at least one base catalyst, and at least one organic solvent; curing the mixture to produce a wet gel; drying the wet gel to produce a dry gel; and thermally annealing the dry gel to produce the monolithic reo aerogel. Also disclosed is an reo aerogel comprising a network of reo nanostructures, wherein the reo aerogel is a monolith having at least one lateral dimension of at least 1 cm, wherein the reo aerogel has a density of about 40-500 mg/cm3 and/or a bet surface area of at least about 20 m2/g, and wherein the reo aerogel is substantially free of oxychloride.. ... Lawrence Livermore National Security Llc

09/14/17 / #20170264291

Triaxial photoconductive switch module

Methods, systems, and devices describe triaxial photoconductive switch modules that include a center conductor, an inner conductor, an outer conductor, a high voltage capacitor that is formed between the center conductor and the inner conductor, and a photoconductive switch that is formed between the center conductor and a section of the outer conductor. The disclosed triaxial photoconductive switch modules include low inductance current paths that lead to high current efficiencies. ... Lawrence Livermore National Security Llc

09/14/17 / #20170261487

Three-dimensional electronic scaffold for cardiac applications

Disclosed here is a three-dimensional electronic scaffold, comprising a porous scaffold and a plurality of micro-strain gauges distributed spatially inside the porous scaffold, wherein the micro-strain gauges are adapted to detect contraction force. Also disclosed is a method comprising detecting and mapping intra-tissue cardiac contraction force of one or more cardiac cells or tissues disposed in a three-dimensional electronic scaffold, wherein the three-dimensional electronic scaffold comprises a porous scaffold and a plurality of micro-strain gauges distributed spatially inside the porous scaffold and in contact with the cardiac cells or tissues, and wherein the micro-strain gauges are adapted to detect contraction force of the cardiac cells or tissues.. ... Lawrence Livermore National Security Llc

09/07/17 / #20170254795

Cardiac platform for electrical recording of electrophysiology and contractility of cardiac tissues

Disclosed here is a method for sensing temperature-dependent electrical switching response, comprising: exposing a polymer-carbon composite to a temperature change, wherein the polymer-carbon composite comprises (a) a semi-conductive or conductive carbon network intercalated with (b) a polymer matrix, wherein the carbon network comprises at least one covalently bonded carbon material, and wherein the polymer matrix comprises at least one polymer having a net electron withdrawing character and adapted to apply a gating effect on the conductive carbon; and detecting a change in electrical conductivity of the polymer-carbon composite of at least three orders of magnitude. Also disclosed is a smart switching device comprising the polymer-carbon composite and a switch triggerable by an increase or decrease in electrical conductivity of the polymer-carbon composite of at least three orders or magnitude.. Disclosed here is a cardiac platform, comprising a substrate layer comprising a substrate and a plurality of micro-strain gauges and a plurality of microelectrodes disposed on the substrate, a patterned layer disposed on the substrate layer which insulates the micro-strain gauges and exposes the microelectrodes, and a plurality of pillars disposed on the patterned layer. Also disclosed is a method for detecting electrophysiology and contractility of cardiac cells or tissues, comprising providing a cardiac platform that further comprises cardiac cells or tissues disposed on the pillars, and detecting electrophysiology of the cardiac cells or tissues using the microelectrodes and detecting contraction force of the cardiac cells or tissues using the micro-strain gauges.. ... Lawrence Livermore National Security Llc

09/07/17 / #20170253568

Homopiperazine-based catalysts for neutralization of organophosphorus-based compounds

Novel compositions of matter based on homopiperazine precursor materials and forming a homopiperazine-based ligand are disclosed, along with suitable techniques and materials for the synthesis and utilization thereof. In particular various synthetic schemes and techniques for applying the disclosed compositions of matter as a decontaminating agent. ... Lawrence Livermore National Security Llc

08/24/17 / #20170242590

Near-memory data reorganization engine

A memory subsystem package is provided that has processing logic for data reorganization within the memory subsystem package. The processing logic is adapted to reorganize data stored within the memory subsystem package. ... Lawrence Livermore National Security Llc

08/24/17 / #20170241920

Methods for 2-color radiography with laser-compton x-ray sources

High-contrast, subtraction, x-ray images of an object are produced via scanned illumination by a laser-compton x-ray source. The spectral-angle correlation of the laser-compton scattering process and a specially designed aperture and/or detector are utilized to produce/record a narrow beam of x-rays whose spectral content consists of an on-axis region of high-energy x-rays surrounded by a region of slightly lower-energy x-rays. ... Lawrence Livermore National Security Llc

08/24/17 / #20170241754

Architected materials and structures to control shock output characteristics

A system that provides control of the output shockwave properties of energetic material wherein the system includes an energetic material having a first portion and a second portion. An additive manufacturing system combines the first portion and the second portion of the energetic material wherein the first portion and the second portion are positioned relative to each other to provide control of the output shockwave properties of the energetic material.. ... Lawrence Livermore National Security Llc

08/24/17 / #20170240569

Metal complexes based on a bis(2-pyridylmethyl)amine-based scaffold and methods of making the same

A catalyst includes a bis(2-pyridylmethyl)amine-based ligand. A method of forming a catalyst, may include: reacting bis(2-pyridylmethyl)amine-based compound with a terminal azide and/or a terminal alkyne in the presence of cu(i) to form a bis(2-pyridylmethyl)amine-based ligand. ... Lawrence Livermore National Security Llc

08/17/17 / #20170235222

Silicone elastomers capable of large isotropic dimensional change

Described herein is a highly effective route towards the controlled and isotropic reduction in size-scale, of complex 3d structures using silicone network polymer chemistry. In particular, a class of silicone structures were developed that once patterned and cured can ‘shrink’ micron scale additive manufactured and lithographically patterned structures by as much as 1 order of magnitude while preserving the dimensions and integrity of these parts. ... Lawrence Livermore National Security Llc

08/17/17 / #20170234828

Gas stream analysis using voltage-current time differential operation of electrochemical sensors

A method for analysis of a gas stream. The method includes identifying an affected region of an affected waveform signal corresponding to at least one characteristic of the gas stream. ... Lawrence Livermore National Security Llc

08/17/17 / #20170234827

Electrochemical sensing using comparison of voltage-current time differential values during waveform generation and detection

A device for signal processing. The device includes a signal generator, a signal detector, and a processor. ... Lawrence Livermore National Security Llc

08/17/17 / #20170234743

Temperature analysis with voltage-current time differential operation of electrochemical sensors

A device for signal processing. The device includes a signal generator, a signal detector, and a processor. ... Lawrence Livermore National Security Llc

08/10/17 / #20170229838

Nd3+ fiber laser and amplifier

An nd3+ optical fiber laser and amplifier operating in the wavelength range from 1300 to 1450 nm is described. The fiber includes a rare earth doped optical amplifier or laser operating within this wavelength band is based upon an optical fiber that guides light in this wavelength band. ... Lawrence Livermore National Security Llc

08/10/17 / #20170229834

Waveguide design for line selection in fiber lasers and amplifiers

Rare earth doped fiber lasers can be robust and efficient sources of high quality light, but are usually limited to the highest gain transitions of the active species. But rare earths typically possess a multitude of potentially useful transitions that might be accessed if the dominant transition can be suppressed. ... Lawrence Livermore National Security Llc

08/10/17 / #20170225389

Additive manufacturing of multi-component parts for customizable energetic systems

An apparatus, system, and method utilizes at least two separate components during the process of producing the final product. At least one component during the process is produced using additive manufacturing, and additional components are components that are combined with the additively manufactured part. ... Lawrence Livermore National Security Llc

08/03/17 / #20170222047

Three dimensional vertically structured electronic devices

In one embodiment, a method of forming a vertical transistor includes forming a layer comprising a semiconductor material above a substrate, defining three dimensional (3d) structures in the layer, forming a second region in at least one vertical sidewall of each 3d structure, and forming an isolation region between the 3d structures. In another embodiment, an apparatus includes at least one vertical transistor, where the at least one vertical transistor includes: a substrate comprising a semiconductor material, an array of 3d structures above the substrate, and an isolation region positioned between the 3d structures. ... Lawrence Livermore National Security Llc

08/03/17 / #20170221595

Radiation tolerant microstructured three dimensional semiconductor structure

According to one embodiment, a product includes an array of three dimensional structures, a cavity region between each of the three dimensional structures, and a first material in contact with at least one surface of each of the three dimensional structures. In addition, each of the three dimensional structures includes a semiconductor material, where at least one dimension of each of the three dimensional structures is in a range of about 0.5 microns to about 10 microns. ... Lawrence Livermore National Security Llc

08/03/17 / #20170219855

Cooler for optics transmitting high intensity light

Systems provide cooling of an optic such as an optically addressed light valve such that the valve is sensitive to temperature and pressure variations and is thus temperature and pressure controlled. In the case of an optic such as an optically addressed light valve, the fluid pressure outside the valve is low enough that it does not compress the liquid crystal gap of the valve. ... Lawrence Livermore National Security Llc

08/03/17 / #20170217093

Heat treatment to anneal residual stresses during additive manufacturing

An additive manufacturing system having a heat source for melting powder particles in a desired shape and pattern to produce a product. A secondary heat source is used for heat treating the product to achieve heat treatment. ... Lawrence Livermore National Security Llc

08/03/17 / #20170216971

Use of variable wavelength laser energy for custom additive manufacturing

A laser-based additive manufacturing system tailored to be material specific based on the laser wavelength or frequency used. The system adjusts the frequency/wavelength of the laser during the process to improve coupling efficiency and/or tailor heating and cooling profiles of different materials.. ... Lawrence Livermore National Security Llc

08/03/17 / #20170216966

Laser pulse shaping for additive manufacturing

A system for melting powdered material and bonding it to the substrate below such as could be used for the additive manufacturing of a product includes a substrate, powder particles on the substrate, a pulsed laser that produces a pulsed laser beam with one or more low flux components on the order of kw/cm̂2, and one or more high flux components on the order of mw/cm̂2 during the duration of the pulse. The pulsed laser beam is directed onto the powder particles on the substrate thereby melting the powder particles and melting the substrate at the interface layer between the powder and the substrate such that the powder particles bond to the substrate. ... Lawrence Livermore National Security Llc

08/03/17 / #20170216437

Techniques for release of material into an environment

Systems and methods for releasing a material into an environment. The material may be encapsulated in a receptacle or otherwise packaged for movement into the environment. ... Lawrence Livermore National Security Llc

07/27/17 / #20170211979

Room-temperature quantum noise limited spectrometry and methods of the same

According to one embodiment, a heterodyne detection system for detecting light, includes: a first input aperture configured to receive first light from a scene input; a second input aperture configured to receive second light from a local oscillator input; a broadband local oscillator configured to provide the second light to the second input aperture; a dispersive element configured to disperse the first light and the second light; and a final condensing lens coupled to a detector. The final condensing lens is configured to concentrate incident light from a primary condensing lens onto the detector. ... Lawrence Livermore National Security Llc

07/27/17 / #20170211026

Bioreactors including enzyme-embedded multicomponent polymers

According to one general embodiment, a membrane, includes a polymeric network configured to separate a first fluid and a second fluid, where the first and second fluids are different; and a plurality of enzymatic reactive components embedded within the polymeric network. According to another embodiment, a bioreactor includes a lattice of three dimensional structures, each structure including a membrane having: a polymeric network configured to separate a first fluid and a second fluid, where the first and second fluids are different; and a plurality of enzymatic reactive components embedded within the polymeric network.. ... Lawrence Livermore National Security Llc

07/27/17 / #20170209859

Biocatalytic microcapsules for catalyzing gas conversion

According to one embodiment, a microcapsule for selective catalysis of gases, the microcapsule comprising: a polymeric shell permeable to one or more target gases; and at least one biocatalyst disposed in an interior of the polymeric shell. In more embodiments, methods of forming such microcapsules include: emulsifying at least one biocatalyst in a polymer precursor mixture; emulsifying the polymer precursor mixture in an aqueous carrier solution; crosslinking one or more polymer precursors of the polymer precursor mixture to form a plurality of microcapsules each independently comprising: a polymeric shell permeable to one or more target gases; and at least one biocatalyst disposed in an interior of the polymeric shell. ... Lawrence Livermore National Security Llc

07/20/17 / #20170207546

Broad band half vivaldi antennas and feed methods

A single vivaldi antenna plate (half vivaldi antenna) over a ground plane can be used to achieve a 50-ohm impedance, or two or more single plates over a ground plane to achieve other impedances. Unbalanced 50-ohm transmission lines, e.g., coaxial cables, can be used to directly feed the antenna.. ... Lawrence Livermore National Security Llc

07/20/17 / #20170203359

Additive manufacturing via direct writing of pure metal and eutectics through latent heat position control

An additive manufacturing system for producing metal parts from pure metal or eutectic alloys. The system includes a reservoir for melting the metal and a long heated tube for conditioning the alloy for extrusion in the semi-solid state through a nozzle.. ... Lawrence Livermore National Security Llc

07/20/17 / #20170203357

Additive manufacturing of semi-solid metal alloys using ultrasonic agitation

Apparatus, systems, and methods that ultrasonically agitate a semisolid metal slurry to prevent dendrite formation that can lead to clogging of a nozzle during direct metal writing.. . ... Lawrence Livermore National Security Llc

07/13/17 / #20170200820

Three dimensional vertically structured electronic devices

According to one embodiment, an apparatus includes at least one vertical transistor, where the at least one vertical transistor includes: a substrate including a semiconductor material; an array of three dimensional (3d) structures above the substrate; and an isolation region positioned between the 3d structures. Each 3d structure includes the semiconductor material. ... Lawrence Livermore National Security Llc

07/13/17 / #20170200566

High temperature oxygen treated carbon aerogels

Disclosed here is a method for increasing the hydrophilicity of a carbon aerogel, comprising heating the carbon aerogels under air or a gas having a higher concentration of oxygen than air at a temperature of about 200°-500° c. To obtain an activated carbon aerogel. ... Lawrence Livermore National Security Llc

07/13/17 / #20170198080

Post polymerization cure shape memory polymers

This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior (smps) and which can first be polymerized to a linear or branched polymeric structure, having thermoplastic properties, subsequently processed into a device through processes typical of polymer melts, solutions, and dispersions and then crossed linked to a shape memory thermoset polymer retaining the processed shape.. . ... Lawrence Livermore National Security Llc

07/06/17 / #20170191937

System and method for controlling depth of imaging in tissues using fluorescence microscopy under ultraviolet excitation following staining with fluorescing agents

A method is disclosed for analyzing a thin tissue sample and adapted to be supported on a slide. The tissue sample may be placed on a slide and exposed to one or more different exogenous fluorophores excitable in a range of about 300 nm-200 nm, and having a useful emission band from about 350 nm-900 nm, and including one or more fluorescent dyes or fluorescently labeled molecular probes that accumulate in tissue or cellular components. ... Lawrence Livermore National Security Llc

06/29/17 / #20170181750

Shape memory polymer foams for endovascular therapies

A system for occluding a physical anomaly. One embodiment comprises a shape memory material body wherein the shape memory material body fits within the physical anomaly occluding the physical anomaly. ... Lawrence Livermore National Security Llc

06/15/17 / #20170165789

Laser-assisted additive manufacturing

Laser additive manufacturing apparatus, systems, and methods for the fabrication of high quality freeform high value structures. The apparatus, systems, and methods utilize a material powder having varying particle size and shape as raw material. ... Lawrence Livermore National Security Llc

06/08/17 / #20170162775

Thermoelectric coatings for waste heat recovery and photo-thermal power

An energy harvesting system for collecting energy from sources of thermal energy that exist in the environment and convert the energy to electricity. The system has n-p junctions mounted on the outer surface of a conduit, pipe or flue. ... Lawrence Livermore National Security Llc

06/01/17 / #20170153187

Ultralow-dose, feedback imaging with laser-compton x-ray and laser-compton gamma-ray sources

Ultralow-dose, x-ray or gamma-ray imaging is based on fast, electronic control of the output of a laser-compton x-ray or gamma-ray source (lcxs or lcgs). X-ray or gamma-ray shadowgraphs are constructed one (or a few) pixel(s) at a time by monitoring the lcxs or lcgs beam energy required at each pixel of the object to achieve a threshold level of detectability at the detector. ... Lawrence Livermore National Security Llc

05/18/17 / #20170136692

Emulsion stereolithography and 3d printing of multimaterials and nanoscale material gradients

A functionally graded material is formed by pipetting individual micro-or-nano-litter droplets with a variety of materials including multi-nanostructured material (nanowires, carbon nanotubes, enzymes, multi-element and/or multi-color, multi-biomolecules) and uv polymerization of the flat hydrogel meniscus surface formed at the carrier fluid interface. After step-by-step droplet pipetting and subsequent layer-by-layer uv polymerization via a digital mask, the complete fabricated part without supporting layers is taken out of the carrier fluid while the un-cured micro-litter residue is conveniently suctioned out of the carrier fluid.. ... Lawrence Livermore National Security Llc

04/27/17 / #20170113418

Additive manufacturing with integrated microliter resin delivery

An additive manufacturing system utilizing an oxygen-permeable membrane to facilitate low-volume printing and high-speed resin change in a stereolithography-based 3d printer. The membrane is used to constrain the fluid surface at the focal plane of the stereolithography printer and a carrier fluid is used to hold the fluid against the membrane. ... Lawrence Livermore National Security Llc

04/27/17 / #20170113417

Microporous membrane for stereolithography resin delivery

A system for building a structure. The system includes a reservoir; an immiscible fluid in the reservoir; a membrane operatively connected to the reservoir; channels and delivery ports in the membrane; a microliter amount of curable resin; a delivery system for delivering the microliter amount of curable resin to channels and delivery ports in the membrane and to the reservoir in contact with the immiscible fluid in the reservoir; and an energy source adapted to deliver energy to the reservoir onto the microliter amount of curable resin for building the structure.. ... Lawrence Livermore National Security Llc

04/20/17 / #20170107806

Encapsulated microenergetic material

Providing high energy materials that can be placed in previously created fractures and activating them in place to extend or change an existing fracture system. Also detecting the location of fractures or permeable pathways and a means to assess the extent and efficiency of proppant emplacement.. ... Lawrence Livermore National Security Llc

04/20/17 / #20170106593

Spatter reduction laser scanning strategy in selective laser melting

An additive manufacturing system wherein a gentle sintering run on heat-fusible particles is followed closely by a selective laser melting run. The laser sintering run slightly sinters the particles and causes the particles to adhere to each other, but not necessarily deform and lose their original shape. ... Lawrence Livermore National Security Llc

04/13/17 / #20170104198

Ion conductive inks and solutions for additive manufacturing of lithium microbatteries

A separator made of ion conductive ink is produced by additive manufacturing. A micro-battery is produced with the separator made of ion conductive ink located between the battery's anode and cathode. ... Lawrence Livermore National Security Llc

04/06/17 / #20170095772

Filtration device for rapid separation of biological particles from complex matrices

Methods and systems for filtering of biological particles are disclosed. Filtering membranes separate adjacent chambers. ... Lawrence Livermore National Security Llc

03/02/17 / #20170058875

Resistively heated shape memory polymer device

A resistively heated shape memory polymer device is made by providing a rod, sheet or substrate that includes a resistive medium. The rod, sheet or substrate is coated with a first shape memory polymer providing a coated intermediate unit. ... Lawrence Livermore National Security Llc

02/23/17 / #20170054386

Pulsed start-up system for electrostatic generators

A new rotor start-up system is provided for application to rotating systems such as stationary or vehicular electromechanical battery systems. An embodiment of the system consists of a “locator” that includes a stationary permanent-magnet pole above which is a circular ferromagnetic (e.g., iron) strip embedded in the lower, inner edge of the flywheel rotor. ... Lawrence Livermore National Security Llc

02/23/17 / #20170054385

Electrostatic generator/motor rotor electrode system suitable for installation on the outer surface of an emb rotor

Electrostatic generator electrodes mounted on the outer surface of a fiber-composite rotor. The conducting strips are mounted with a slight tilt in angle such that the electrodes will experience no tension or compression effects as the rotor spins up or slows down. ... Lawrence Livermore National Security Llc

02/23/17 / #20170054384

Stator positioner for electrostatic generator electrodes and new electrode design

A mechanical system is provided for maintaining a desired gap between a stator electrode array and a rotor electrode array by employing repelling magnets on the inner surface of the rotor and on movable carts that support azimuthally segmented stator arrays.. . ... Lawrence Livermore National Security Llc

02/23/17 / #20170054343

Design for electrostatic generator/motor electrodes located on the inner surface of an electromechanical battery rotor

A geometric design of es generator/motor electrodes mounted on the inner surface of a fiber-composite rotor is provided. The electrode configuration is able to sustain very high g levels. ... Lawrence Livermore National Security Llc

02/23/17 / #20170054137

Methods for making graphene-supported metal oxide monolith

Provided here is a method for making a graphene-supported metal oxide monolith, comprising: providing a graphene aerogel monolith; immersing said graphene aerogel monolith in a solution comprising at least one metal salt to form a mixture; curing said mixture to obtain a gel; optionally, heating said gel to obtain a graphene-supported metal oxide monolith.. . ... Lawrence Livermore National Security Llc

02/16/17 / #20170049008

Additive manufacturing of a complex product

A method of producing a complex product includes designing a three dimensional preform of the complex product, creating a three dimensional preform of the complex product using the model, depositing a material on the preform, and removing the preform to complete the complex product. In one embodiment the system provides a complex heat sink that can be used in heat dissipation in power electronics, light emitting diodes, and microchips.. ... Lawrence Livermore National Security Llc

02/16/17 / #20170044482

Funnel for localizing biological cell placement and arrangement

The present disclosure relates to a funnel apparatus for channeling cells onto a plurality of distinct, closely spaced regions of a seeding surface. The funnel apparatus has a body portion having an upper surface and a lower surface. ... Lawrence Livermore National Security Llc

02/09/17 / #20170040123

Nitrogen-doped carbon aerogels for electrical energy storage

Disclosed here is a method for making a nitrogen-doped carbon aerogel, comprising: preparing a reaction mixture comprising formaldehyde, at least one nitrogen-containing resorcinol analog, at least one catalyst, and at least one solvent; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel; and thermally annealing the dry gel to produce the nitrogen-doped carbon aerogel. Also disclosed is a nitrogen-doped carbon aerogel obtained according to the method and a supercapacitor comprising the nitrogen-doped carbon aerogel.. ... Lawrence Livermore National Security Llc

02/09/17 / #20170040075

Neutron generation using pyroelectric crystals

According to one embodiment, a method for producing a directed neutron beam includes producing a voltage of negative polarity of at least −100 kev on a surface of a deuterated or tritiated target in response to a temperature change of a pyroelectric crystal of less than about 40° c., the pyroelectric crystal having the deuterated or tritiated target coupled thereto, pulsing a deuterium ion source to produce a deuterium ion beam, accelerating the deuterium ion beam to the deuterated or tritiated target to produce a neutron beam, and directing the ion beam onto the deuterated or tritiated target to make neutrons using at least one of a voltage of the pyroelectric crystal, and a high gradient insulator (hgi) surrounding the pyroelectric crystal. The directionality of the neutron beam is controlled by changing the accelerating voltage of the system. ... Lawrence Livermore National Security Llc

02/09/17 / #20170036194

Highly active thermally stable nanoporous gold catalyst

In one embodiment, a method includes depositing oxide nanoparticles on a nanoporous gold support to form an active structure and functionalizing the deposited oxide nanoparticles. In another embodiment, a system includes a nanoporous gold structure comprising a plurality of ligaments, and a plurality of oxide particles deposited on the nanoporous gold structure; the oxide particles are characterized by a crystalline phase.. ... Lawrence Livermore National Security Llc

01/19/17 / #20170016477

Passive magnetic bearing elements and configurations utilizing alternative polarization and amperian current direction

A ferromagnetic shield in contact with a magnet bar at the opposite end from the working surfaces of the bar eliminates the field canceling effects that arise from the amperian currents at that end. The optimum polarization direction for such bars is one that is parallel to the azimuthal coordinate of the bar. ... Lawrence Livermore National Security Llc

01/19/17 / #20170015060

Additive manufacturing continuous filament carbon fiber epoxy composites

An additive manufacturing system for producing a carbon fiber epoxy product includes an additive manufacturing print head; a continuous carbon fiber operatively connected to the additive manufacturing print head; a tapered nozzle in the additive manufacturing print head that receives the continuous carbon fiber, the tapered nozzle producing an extruded material that forms the carbon fiber epoxy product; and a tailored resin feed operatively connected to the print head, wherein the continuous carbon fiber is dispersed in the epoxy resin.. . ... Lawrence Livermore National Security Llc

01/12/17 / #20170013713

Depositing bulk or micro-scale electrodes

Thicker electrodes are provided on microelectronic device using thermo-compression bonding. A thin-film electrical conducting layer forms electrical conduits and bulk depositing provides an electrode layer on the thin-film electrical conducting layer. ... Lawrence Livermore National Security Llc








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