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Assignee: Maxwell Technologies, Inc.


Location: San Diego, CA
No. of patents: 71

1    
NumberTitleIssue Date
8110011Method of processing high voltage capacitors
A high voltage capacitor design is provided that provides improved performance. The high voltage capacitor includes a stack of mechanically bonded capacitor cells, which in one variant utilize a separator formed of two layers of paper. In one version, the high volta...
02/07/2012
8098481Energy storage device
In one embodiment, an energy storage device having a first electrode supported by a first collectors sheet; a second electrode supported by a second collector sheet; and a dielectric separator therebetween, all spirally wound together. A container houses this spiral...
01/17/2012
8092934Energy storage device having a collector plate
In one embodiment, an energy storage device comprises a container containing a first electrode generating a positive charge, a second electrode generating a negative charge, and an electrolyte in ionic contact with the electrodes. The container comprises a base and ...
01/10/2012
8072734Dry particle based energy storage device product
An inexpensive and reliable dry process based capacitor and method for making a self-supporting dry electrode film for use therein is disclosed. Also disclosed is an exemplary process for manufacturing an electrode for use in an energy storage device product, the pr...
12/06/2011
8032889Methods and apparatus for managing and controlling power consumption and heat generation in computer systems
A method for reducing power consumption and heat generation in a computer system employs a substitute idle task that puts the processor into a dormant mode, e.g., sleep, nap, or doze mode. The substitute idle task replaces a conventional operating system idle task. ...
10/04/2011
7935155Method of manufacturing an electrode or capacitor product
A method of manufacturing an electrode product where a compressible and deformable layer is densified and laminated to a layer of a material that is relatively resistant to stretching. The densification and bonding take place in a single step. A method as used in fa...
05/03/2011
7920371Electrical energy storage devices with separator between electrodes and methods for fabricating the devices
Films of active electrode material, such as films made from carbon and fibrillized polymer, are attached to a porous separator. Outer surfaces of the films (i.e., surfaces opposite those adjoining the separator) are then covered with current collectors. The 5 result...
04/05/2011
7890799Self-correcting computer
The fault-tolerant or self-correcting computer system is disclosed. The computer system that is provided with various sets of protections against failures that may be caused by space radiation, for example. Improved reliability of the system is achieved by scrubbing...
02/15/2011
7883553Method of manufacturing an electrode product
A deformable and compressible active electrode dry film is manufactured from dry mixed dry active electrode material and dry binder powder. The electrode film and a current collector with a first surface may be stacked such that the first surface of the current coll...
02/08/2011
7859826Thermal interconnects for coupling energy storage devices
A thermally fitted interconnect couples energy storage cells without the use of additional materials of fasteners. Variations of the interconnect can be used to facilitate fitting of multiple energy storage cell with multiple cell to cell spacings in a rapid and ine...
12/28/2010
7851238Method for fabricating self-aligning electrode
Electrodes are constructed with pressure-bonding techniques that simplify alignment of various electrode components during lamination. In an exemplary embodiment, a current collector is made from aluminum foil that has been roughed or pitted on both surfaces. The su...
12/14/2010
7816891Active voltage management system for energy storage device
An active voltage management device and a method for actively managing a voltage level of an energy storage device are provided. The active voltage management device comprises: a pair of input terminals adapted to be connected to the energy storage device; a reverse...
10/19/2010
7811337Ultracapacitor electrode with controlled sulfur content
Particles of active electrode material are made by blending mixing a mixture of activated carbon and binder. In selected implementations, sulfur level in the activated carbon is relatively low and the binder is inert. For example, sulfur content of the activated car...
10/12/2010
7791861Dry particle based energy storage device product
An inexpensive and reliable dry process based capacitor and method for making a self-supporting dry electrode film for use therein is disclosed. Also disclosed is an exemplary process for manufacturing an electrode for use in an energy storage device product, the pr...
09/07/2010
7791860Particle based electrodes and methods of making same
A coated electrode is provided for use in energy storage devices. The coated electrode comprises a dry fibrillized polymer that is fibrillized with no processing additives. ...
09/07/2010
7722686Composite electrode and method for fabricating same
Composite electrodes are constructed with pressure-bonding techniques instead of an adhesive. A current collector is made from aluminum foil roughed on both surfaces. The surfaces of the collector can be treated to enhance adhesion to the surfaces. Layers of film th...
05/25/2010
7696610Apparatus for shielding integrated circuit devices
A high reliability radiation shielding integrated circuit apparatus comprising a plurality of package layers; a radiation shielding lid or base coupled to the plurality of package layers; wherein the circuit die are shielded from receiving an amount of radiation gre...
04/13/2010
7673186Apparatus and method for cold sparing in multi-board computer systems
Power supply voltage of a PCI or a similar communication bus interface is separated from one or more other power supply voltages on a backplane, on boards insertable into the backplane, and on the bus interface components of the boards. The power supply of the bus i...
03/02/2010
7613948Cache coherency during resynchronization of self-correcting computer
A fault-tolerant computer uses multiple commercial processors operating synchronously, i.e., in lock-step. In an exemplary embodiment, redundancy logic isolates the outputs of the processors from other computer components, so that the other components see only major...
11/03/2009
7580243Method of making and article of manufacture for an ultracapacitor electrode apparatus
An electrode structure adapted for use in a ultracapacitor energy storage device, which expedites electrode drying time and improves impregnation of the electrode structure, is disclosed. In one embodiment, the electrode structure comprises a carbon film element hav...
08/25/2009
7576972Sealed electro-technical device comprising two sealing joints and methods therefor
A method is described for applying a double sealing system to an electro-technical device and an electro-technical device with a double seal. Said Electro-technical device has; a container (5) housing a functional unit (2) and including one aperture (
08/18/2009
7560903Apparatus and method for discharging electrical energy storage cells
A power module includes double layer capacitors, a voltage booster, a charging circuit, and a switching assembly. In discharging mode, the switching assembly connects the voltage booster to the output of the power module. The voltage booster enhances the voltage of ...
07/14/2009
7532455Energy storage device having a separator blocking parasitic ions
An energy storage device comprises a pair of electrodes in contact with an electrolyte and a dielectric separator therebetween. The separator comprises a chelating material capable of binding parasitic to ions with the electrolyte, so to prevent the free circulation...
05/12/2009
7511942Thermal interconnection for capacitor systems
Thermal protection is provided in systems utilizing high-current double-layer capacitors. ...
03/31/2009
7511941Ultrasonic sealed fill hole
A method and implementation for improved performance and sealing of an energy storage device are disclosed. ...
03/31/2009
7508651Dry 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. ...
03/24/2009
7495349Self aligning electrode
Electrodes are constructed with pressure-bonding techniques that simplify alignment of various electrode components during lamination. In an exemplary embodiment, a current collector is made from aluminum foil that has been roughed or pitted on both surfaces. The su...
02/24/2009
7492574Coupling of cell to housing
Porous separator is sandwiched between electrode films with attached current collector foil to obtain an electrode sheet. The electrode sheet is formed into a jellyroll for use in a double layer capacitor. The jellyroll is inserted into a can through an open end to ...
02/17/2009
7489496HV capacitor and testing method
A high voltage capacitor design is provided that provides improved performance. The high voltage capacitor includes a stack of mechanically joined capacitor cells, which in one variant utilize a separator formed of two layers of paper. In one version, the high volta...
02/10/2009
7475326Error detection and correction method and system for memory devices
A method and a system for the detection and correction of errors in memory systems is disclosed. In one embodiment, a method of error detection in a memory system having a plurality (m>1) of memory devices includes generating check bits for each of a plurality of da...
01/06/2009
7467326Self-correcting computer
The fault-tolerant or self-correcting computer system is disclosed. The computer system that is provided with various sets of protections against failures that may be caused by space radiation, for example. Improved reliability of the system is achieved by scrubbing...
12/16/2008
7440258Thermal interconnects for coupling energy storage devices
A thermally fitted interconnect couples energy storage cells without the use of additional materials of fasteners. Variations of the interconnect can be used to facilitate fitting of multiple energy storage cell with multiple cell to cell spacings in a rapid and ine...
10/21/2008
7437599System and method for effectively implementing an immunity mode in an electronic device
A system and method for effectively implementing an immunity mode in an electronic device includes a processor module for executing processing tasks for the electronic device. The processor module includes processor information, such as processor states and processo...
10/14/2008
7433174Method of making, apparatus, and article of manufacturing for an electrode termination contact interface
An electrode termination contact interface, adapted for use in an energy storage device, is disclosed. The disclosed apparatus and article of manufacture function to lower equivalent series resistance of the electrode termination contact interface for energy storage...
10/07/2008
7426101Container having an overpressure safety device
In one embodiment, a container with an overpressure safety device comprises a wall having a depression in at least a portion of the wall that expands when the pressure inside the container exceeds a predetermined level. The container further comprises a clamp bridgi...
09/16/2008
7415630Cache coherency during resynchronization of self-correcting computer
A fault-tolerant computer uses multiple commercial processors operating synchronously, i.e., in lock-step. In an exemplary embodiment, redundancy logic isolates the outputs of the processors from other computer components, so that the other components see only major...
08/19/2008
7407520Method of making a multi-electrode double layer capacitor having hermetic electrolyte seal
A long life double layer capacitor and method of making the same including a case and a first terminal with an electrically insulating hermitic seal interposed between the first terminal and the case. A first current collector foil is electrically coupled to an inte...
08/05/2008
D571295Ultracapacitor module assembly design
06/17/2008
D571294Ultracapacitor module assembly design
06/17/2008
7384433Densification of compressible layers during electrode lamination
A compressible and deformable layer is densified and laminated to a layer of a material that is relatively resistant to stretching. The densification and bonding take place in a single step. As used in fabrication of electrodes, for example, electrodes for double la...
06/10/2008
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