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Maxwell Technologies Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Maxwell Technologies Inc-related inventors


Compositions and methods for passivation of electrode binders

Passivation methods and compositions for electrode binders are disclosed. A coated binder particle for use in an electrode film of an energy storage device is provided. ... Maxwell Technologies Inc

Prelithiated hybridized energy storage device

An energy storage device can include a first electrode, a second electrode and a separator between the first electrode and the second electrode wherein the first electrode includes an electrochemically active material and a porous carbon material, and the second electrode includes elemental lithium metal and carbon particles. A method for fabricating an energy storage device can include forming a first electrode and a second electrode, and inserting a separator between the first electrode and the second electrode, where forming the first electrode includes combining an electrochemically active material and a porous carbon material, and forming the second electrode includes combining elemental lithium metal and a plurality of carbon particles.. ... Maxwell Technologies Inc

Systems and methods for capacitor module balancing and maintenance

In one aspect, the invention comprises an apparatus for balancing cells in a series string of modules having cells. The apparatus comprises a processing system and a communication circuit. ... Maxwell Technologies Inc

Collector plate for energy storage device and methods of manufacturing

This disclosure provides collector plates for an energy storage device, energy storage devices with a collector plate, and methods for manufacturing the same. In one aspect, a collector plate includes a body. ... Maxwell Technologies Inc

Systems and methods for improving cell balancing and cell failure detection

In one aspect, an embodiment of this invention comprises an energy storage device balancing apparatus. The energy storage device balancing apparatus comprises a balancing circuit and an alarm circuit. ... Maxwell Technologies Inc

Methods and apparatuses for energy storage device electrode fabrication

An apparatus for forming an electrode film mixture can have a first source including a polymer dispersion comprising a liquid and a polymer, a second source including a second component of the electrode film mixture, and a fluidized bed coating apparatus including a first inlet configured to receive from the first source the dispersion, and a second inlet configured to receive from the second source the second component.. . ... Maxwell Technologies Inc

Carbon surface modification for three-volt ultracapacitor

An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups.. ... Maxwell Technologies Inc

Pre-doped anodes and methods and apparatuses for making same

An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode, where the anode can have a desired lithium pre-doping level to facilitate desired capacitor performance. Controlled anode pre-doping can include printing lithium powder or a mixture including lithium powder onto a surface of the anode. ... Maxwell Technologies Inc

Electrolyte formulations for energy storage devices

An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode, and an electrolyte where the electrolyte includes one or more additives and/or solvent components selected from vinylene carbonate (vc), vinyl ethylene carbonate (vec), dimethylacetamide (dmac), hydro fluorinated ether branched cyclic carbonate, a hydro fluorinated ether ethylene carbonate (hfeec), hydro fluorinated ether (hfe), and fluorinated ethylene carbonate (fec). The electrolyte may include a carbonate based solvent and one or more solvent components and/or one or more of vinylene carbonate (vc), vinyl ethylene carbonate (vec), dimethylacetamide (dmac), hydro fluorinated ether branched cyclic carbonate, a hydro fluorinated ether ethylene carbonate (hfeec), hydro fluorinated ether (hfe), and fluorinated ethylene carbonate (fec).. ... Maxwell Technologies Inc

Compositions and methods for energy storage device electrodes

An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode, where the anode and/or electrode includes an electrode film having a super-fibrillized binder material and carbon. The electrode film can have a reduced quantity of the binder material while maintaining desired mechanical and/or electrical properties. ... Maxwell Technologies Inc

Elemental metal and carbon mixtures for energy storage devices

An energy storage device can include a first electrode, a second electrode and a separator between the first electrode and the second electrode wherein the first electrode or the second electrode includes elemental lithium metal and carbon particles. A method for fabricating an energy storage device can include forming a first electrode and a second electrode, and inserting a separator between the first electrode and the second electrode, where forming the first electrode or the second electrode can include combining elemental lithium metal and a plurality of carbon particles.. ... Maxwell Technologies Inc

Dry-particle based adhesive and dry film and methods of making same

Dry process based energy storage device structures and methods for using a dry adhesive therein are disclosed.. . ... Maxwell Technologies Inc








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