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Nanotek Instruments Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nanotek Instruments Inc-related inventors


 new patent  Supercritical fluid process for producing graphene from coke or coal

Provided is a process for producing isolated graphene sheets from a supply of coke or coal powder containing therein domains of hexagonal carbon atoms and/or hexagonal carbon atomic interlayers. The process comprises: (a) subjecting the supply of coke or coal powder to a supercritical fluid at a first temperature and... Nanotek Instruments Inc

 new patent  Supercritical fluid process for producing graphene from coke or coal

Provided is a process for producing isolated graphene sheets from a supply of coke or coal powder containing therein domains of hexagonal carbon atoms and/or hexagonal carbon atomic interlayers. The process comprises: (a) subjecting the supply of coke or coal powder to a supercritical fluid at a first temperature and... Nanotek Instruments Inc

 new patent  Process for producing monolithic film of integrated highly oriented halogenated graphene sheets or molecules

A process for producing an integrated layer (10 nm to 500 μm) of highly oriented halogenated graphene sheets, comprising: (a) preparing a graphene oxide (GO) dispersion having GO sheets dispersed in a fluid medium; (b) dispensing and depositing a layer of GO dispersion onto a surface of a supporting substrate... Nanotek Instruments Inc

 new patent  Production of graphene-based supercapacitor electrode from coke or coal using direct ultrasonication

Provided is a method of producing graphene-based supercapacitor electrode from a supply of coke or coal powder. The method comprises: (a) dispersing particles of the coke or coal powder in a liquid medium containing therein an optional surfactant or dispersing agent to produce a suspension or slurry, wherein the coke... Nanotek Instruments Inc

 new patent  Humic acid-based supercapacitors

A supercapacitor electrode comprising a mixture of graphene sheets and humic acid, wherein humic acid occupies 0.1% to 99% by weight of the mixture and the graphene sheets are selected from a pristine graphene material having essentially zero % of non-carbon elements, or a non-pristine graphene material having 0.001% to... Nanotek Instruments Inc

 new patent  Supercritical fluid production of graphene-based supercapacitor electrode from coke or coal

Provided is a process for producing a graphene-based supercapacitor electrode from a supply of coke or coal powder, comprising: (a) exposing this powder to a supercritical fluid for a period of time in a pressure vessel to enable penetration of the supercritical fluid into internal structure of the coke or... Nanotek Instruments Inc

Single crystal graphene or polycrystalline graphene matrix composite containing carbon-based fillers

A process for producing a unitary graphene matrix composite, the process comprising: (a) preparing a graphene oxide gel having graphene oxide molecules dispersed in a fluid medium, wherein the graphene oxide gel is optically transparent or translucent; (b) mixing a carbon or graphite filler phase in said graphene oxide gel... Nanotek Instruments Inc

Direct ultrasonication production of graphene sheets from coke or coal

Provided is a method of producing isolated graphene sheets from a supply of coke or coal powder containing therein domains of hexagonal carbon atoms and/or hexagonal carbon atomic interlayers. The method comprises: (a) dispersing particles of the coke or coal powder in a liquid medium containing therein an optional surfactant... Nanotek Instruments Inc

Electrochemical production of graphene sheets from coke or coal

A method of producing graphene sheets from coke or coal powder, comprising: (a) forming an intercalated coke or coal compound by electrochemical intercalation conducted in an intercalation reactor, which contains (i) a liquid solution electrolyte comprising an intercalating agent; (ii) a working electrode that contains the powder in ionic contact... Nanotek Instruments Inc

Carbon matrix- and carbon matrix composite-based dendrite-intercepting layer for alkali metal secondary battery

A dendrite penetration-resistant layer for a rechargeable alkali metal battery, comprising an amorphous carbon or polymeric carbon matrix, an optional carbon or graphite reinforcement phase dispersed in this matrix, and a lithium- or sodium-containing species that are chemically bonded to the matrix and/or the optional carbon or graphite reinforcement phase... Nanotek Instruments Inc

Alkali metal secondary battery containing a carbon matrix- or carbon matrix composite-based dendrite-intercepting layer

A rechargeable alkali metal battery comprising: (a) an anode comprising an alkali metal layer and a dendrite penetration-resistant layer comprising an amorphous carbon or polymeric carbon matrix, an optional carbon or graphite reinforcement phase dispersed in this matrix, and a lithium- or sodium-containing species that are chemically bonded to the... Nanotek Instruments Inc

Partially surface-mediated lithium ion-exchanging cells and operating same

A lithium super-battery cell comprising: (a) A cathode comprising a cathode active material having a surface area to capture or store lithium thereon, wherein the cathode active material is not a functionalized material and does not bear a functional group; (b) An anode comprising an anode current collector; (c) A... Nanotek Instruments Inc

Alkali metal battery having an integral 3d graphene-carbon-metal hybrid foam-based electrode

Provided is a lithium or sodium metal battery having an anode, a cathode, and a porous separator and/or an electrolyte, wherein the anode contains an integral 3D graphene-carbon hybrid foam composed of multiple pores, pore walls, and a lithium-attracting metal residing in the pores; wherein the metal is selected from... Nanotek Instruments Inc

Graphene-metal hybrid foam-based electrode for an alkali metal battery

Provided is a lithium or sodium metal battery having an anode, a cathode, and a porous separator and/or an electrolyte, wherein the anode contains a graphene-metal hybrid foam composed of multiple pores, pore walls, and a lithium- or sodium-attracting metal residing in the pores; wherein the metal is selected from... Nanotek Instruments Inc

Supercapacitor having a high volumetric energy density

A process for producing a supercapacitor cell, comprising (a) Assembling a porous cell framework composed of a first conductive foam structure, a second conductive foam structure, and a porous separator, wherein the first and/or second conductive foam structure has a thickness no less than 200 μm and at least 80%... Nanotek Instruments Inc

Process for graphene foam-protected anode active materials for lithium batteries

A lithium-ion battery anode layer, comprising an anode active material embedded in pores of a solid graphene foam composed of multiple pores and pore walls, wherein (a) the pore walls contain a pristine graphene material having essentially no (less than 0.01%) non-carbon elements or a non-pristine graphene material having 0.01%... Nanotek Instruments Inc

Partially and fully surface-enabled metal ion-exchanging energy storage devices

A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from aluminum (Al), gallium (Ga), indium (In), tin (Sn), lead (P), or bismuth (Bi), and at least one of the electrodes contains therein a metal... Nanotek Instruments Inc

Methods for mass-producing silicon nano powder and graphene-doped silicon nano powder

Disclosed is a facile and cost effective method of producing metal-doped nano silicon powder or graphene-doped metal-doped silicon nano powder having a particle size smaller than 100 nm. The method comprises: (a) preparing a silicon precursor/metal precursor/graphene nano composite; (b) mixing the silicon precursor/metal precursor/graphene nano composite with a desired... Nanotek Instruments Inc

Elastomer-encapsulated particles of high-capacity anode active materials for lithium batteries

Provided is an anode active material layer for a lithium battery. This layer comprises multiple particulates of an anode active material, wherein at least a particulate is composed of one or a plurality of particles of a high-capacity anode active material being encapsulated by a thin layer of elastomeric material... Nanotek Instruments Inc

Process for fabric of continuous graphitic fiber yarns

Multi-functional and high-performing fabric comprising a first layer of yarns woven to form the fabric wherein the yarns comprise at least one unitary graphene-based continuous graphitic fiber comprising at least 90% by weight of graphene planes that are chemically bonded with one another having an inter-planar spacing d002 from 0.3354... Nanotek Instruments Inc

Flexible asymmetric electrochemical cells using nano graphene platelet as an electrode material

A flexible, asymmetric electrochemical cell comprising: (A) A sheet of graphene paper as first electrode comprising nano graphene platelets having a platelet thickness less than 1 nm, wherein the first electrode has electrolyte-accessible pores; (B) A thin-film or paper-like first separator and electrolyte; and (C) A thin-film or paper-like second... Nanotek Instruments Inc

Process for silicon nanowire-graphene hybrid mat

Disclosed is a process for producing graphene-silicon nanowire hybrid material, comprising: (A) preparing a catalyst metal-coated mixture mass, which includes mixing graphene sheets with micron or sub-micron scaled silicon particles to form a mixture and depositing a nano-scaled catalytic metal onto surfaces of the graphene sheets and/or silicon particles; and... Nanotek Instruments Inc

Process for unitary graphene layer or graphene single crystal

A unitary graphene layer or graphene single crystal containing closely packed and chemically bonded parallel graphene planes having an inter-graphene plane spacing of 0.335 to 0.40 nm and an oxygen content of 0.01% to 10% by weight, which unitary graphene layer or graphene single crystal is obtained from heat-treating a... Nanotek Instruments Inc

Graphene oxide-metal nanowire transparent conductive film

A process for producing a transparent conductive film, comprising (a) providing a graphene oxide gel; (b) dispersing metal nanowires in the graphene oxide gel to form a suspension; (c) dispensing and depositing the suspension onto a substrate; and (d) removing the liquid medium to form the film. The film is... Nanotek Instruments Inc








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