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7619874 |
Method of sealing a capacitor fill port
An apparatus comprising a capacitor stack, including one or more substantially planar anode layers, and one or more substantially planar cathode layers. Additionally, the capacitor has a case...
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7616430 |
Capacitor electrode member, method for manufacturing the same, and capacitor provided with the electrode member
The invention provides a capacitor electrode member in which layers constituting the electrode member are highly adhesive. The capacitor electrode member comprises aluminum material ( 1 ), a...
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7616429 |
Electric double layer capacitor
Provided is an electric double layer capacitor including a large capacity single cell having a large electrostatic capacity and a small capacity single cell are connected to the same exterior case...
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7616428 |
Separator for electric double layer capacitor and electric double layer capacitor containing same
A separator for an electric double layer capacitor, characterized in that a thickness of the entire separator is 25 μm or less, a layer of an ultrafine fibrous aggregate prepared by an...
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7612985 |
Electrochemical double-layer capacitor using organosilicon electrolytes
Disclosed are supercapacitors having organosilicon electrolytes, high surface area/porous electrodes, and optionally organosilicon separators. Electrodes are formed from high surface area material...
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7589955 |
Electric double layer capacitor and aggregation thereof
An electric double layer capacitor includes an anode, a cathode, and an electrolytic solution provided between the anode and the cathode. The anode may be a niobium porous sintered body with an...
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7586736 |
Electrical insulation system and method for electrical power storage component separation
An electrical insulation system and method for electrical power storage component separation is disclosed. Some implementations of the system use various forms of polyurethane elastomer based...
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7583494 |
Electrical double layer capacitor and production method therefor
The electrical double layer capacitor includes a case, an electrolyte stored in the case, a positive electrode, a negative electrode, and a molecular sieve, wherein the electrolyte contains cation...
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7580244 |
Electrochemical device and method for manufacturing same, and jig for manufacturing electrochemical device
An electrochemical device manufacturing jig comprises a first fixing jig having a plurality of fixing pins, for positioning and fixing separators by inserting the plurality of fixing pins in...
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7580243 |
Method 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...
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7576971 |
Asymmetric electrochemical supercapacitor and method of manufacture thereof
Asymmetric supercapacitors comprise: a positive electrode comprising a current collector and a first active material selected from the group consisting of manganese dioxide, silver oxide, iron...
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7576970 |
System and method for storing hydrogen and electrical energy
A hybrid capacitive storage system and method for storing electrical energy and hydrogen comprising at least a first dielectric layer, which dielectric layer is substantially impermeable to...
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7576969 |
Coin-shaped storage cell
A coin-shaped storage cell ( 1 ) has a pair of polarizable electrodes ( 17, 18 ), an insulating separator ( 21 ) interposed between the polarizable electrodes, an electrolytic solution ( 22 )...
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7570478 |
Binder for electric double layer capacitor
The present invention provides a binder for an electric double layer capacitor comprising; a polymer (A) containing an acrylate monomer unit, and having two or more glass transition temperatures; a...
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7567429 |
Electrode material for electric double layer capacitor and process for producing the same
An electrode material for an electric double layer capacitor which include spherical particles (A) having an electrode active material and a thermoplastic binder, wherein the spherical particles...
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7564676 |
Electric double layer capacitor, activated carbon for electrode therefor and method for producing the same
A method for producing activated carbon for electrodes of electric double layer capacitors is disclosed which comprises an activation step wherein activated carbon is obtained by mixing an alkali...
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7558050 |
Supercapacitor with reduced internal resistance
There is provided a supercapacitor with a significantly reduced internal resistance. The supercapacitor comprises two electrodes in which each of the two electrodes is comprised of a current...
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7554790 |
Energy storage device
A surface mount energy storage device in the form of a supercapacitor ( 1 ) includes a generally rectangular folded prismatic housing ( 2 ) and two energy storage elements (not shown) that are...
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7553584 |
Reticulated and controlled porosity battery structures
The effective ionic conductivity in a composite structure is believed to decrease rapidly with volume fraction. A system, such as a bipolar device or energy storage device, has structures or...
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7553341 |
High power density supercapacitors with carbon nanotube electrodes
One embodiment of the present invention provides a process for fabricating an electrode for a capacitor using carbon nanotubes (CNTs), wherein the electrode comprises a metal substrate and a layer...
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7551423 |
Power storage element and electric double layer capacitor
To provide electric double layer capacitors which have large electrostatic capacitances. Graphite with a BET surface area of from 10 to 300 m 2 /g, wherein the graphite has an energy storing...
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7548409 |
Organic electrolyte capacitor using a mesopore carbon material as a negative electrode
An organic electrolyte capacitor is provided with a high energy density, a high power and a high capacitance even at −20°. The organic electrolyte capacitor has a high discharge capacity even at...
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7542266 |
Cylindrical battery
A cylindrical battery including a wound electrode assembly and a center pin disposed in a center space of the electrode assembly, the center pin having a gap along its length, the gap defined by...
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7532455 |
Energy 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...
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7532454 |
Method for making an electrode, resulting electrode and supercapacitor including same
The invention relates to a novel method for preparing electrodes based on activated carbon and carbon nanotubes on a collector. The invention also relates to the electrode obtained thereby and the...
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7531114 |
Composition in gel form comprising carbon nanotube and ionic liquid and method for production thereof
Disclosed is a novel technology, by which carbon nanotubes can be easily worked without degrading the characteristic properties thereof. A gel composition including a carbon nanotube and an ionic...
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7514021 |
Conductive resin film, collector and production methods therefore
There is disclosed a conductive resin film comprising a conductive substrate layer and a low-resistance layer with a volume resistance of 0.1 to 1.0 Ωcm including a fine carbon fiber and a resin...
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7511942 |
Thermal interconnection for capacitor systems
Thermal protection is provided in systems utilizing high-current double-layer capacitors.
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7511941 |
Ultrasonic sealed fill hole
A method and implementation for improved performance and sealing of an energy storage device are disclosed.
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7508650 |
Electrode for electrochemical capacitor
An electrode for an electrochemical capacitor which comprises a porous carbon substrate having thereon at least a first or innermost layer comprising a first inherently conductive polymer and a...
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7505250 |
Carbon-porous media composite electrode and preparation method thereof
The present invention discloses a carbon-porous media composite electrode material, a composite electrode using the same and a preparation method thereof. The carbon-porous media composite...
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7497879 |
Method of manufacturing electrolytic capacitor and electrolytic capacitor
A method of manufacturing an electrolytic capacitor including the following steps as well as an electrolytic capacitor manufactured by the method are provided. The method includes: a dispersion...
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7495349 |
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...
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7492574 |
Coupling 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...
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7492573 |
Electrochemical device
In an electrochemical device comprising a multilayer body having a separator and a pair of electrodes disposed so as to hold the separator therebetween, and an electrolyte infiltrated in the...
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7492571 |
Particles based electrodes and methods of making same
A coated electrode is provided for use in energy storage devices. The coated electrode comprises a dry particles that are fibrillized.
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7489497 |
Electrochemical device
An electrochemical device of this invention has a stacked member, in which a plurality of collectors having polarizable electrode layers formed on the surfaces thereof and a plurality of separators...
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7486497 |
Electrode for electric double layer capacitor, method for manufacturing same, electric double layer capacitor, and conductive adhesive
The present invention is an electrode for electric double layer capacitors wherein a polarizable porous sheet composed of constituent materials including a carbonaceous electric double...
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7479353 |
Energy storage devices
Pyrrolidinium-based room temperature ionic liquids, and phosphorus and arsenic analogues, are used as electrolytes in energy storage devices including secondary lithium batteries, supercapacitors...
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7477505 |
Capacitor bank for electrical generator
A capacitor bank for an electrical power generator comprises: a positive assembly having a positive electrical terminal; a negative assembly having a negative electrical terminal; at least one...
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7474520 |
Storage device
A storage device, which has a simple structure and a low connection resistance and is robust, and which is ease to mount is provided. In the storage device, an L-shaped aluminum busbar 157 ...
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7471502 |
Ionic liquids, electrolyte salts for electrical storage devices, liquid electrolytes for electrical storage devices, electrical double-layer capacitors, and secondary batteries
Electrical storage devices having excellent low-temperature properties can be obtained by using a quaternary salt (or ionic liquid) of general formula (1) below as an electrolyte salt for...
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7471501 |
Circuit arrangement comprising several capacitors
A device includes a base plate, a first cell, a second cell, and a housing in which the-first cell and the second cell are arranged. The first cell and the second cell each include at least one...
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7466539 |
Electrochemical double-layer capacitor using organosilicon electrolytes
Disclosed are supercapacitors having organosilicon electrolytes, high surface area/porous electrodes, and optionally organosilicon separators. Electrodes are formed from high surface area material...
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7463478 |
Electric double layer capacitor
A porous electrolytic solution reservoir which is capable of being impregnated with an electrolytic solution is provided in an exterior case so as to make contact with a separator. The average...
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7459888 |
System and method for precharging and discharging a high power ultracapacitor pack
This invention is a system and a method that uses the braking resistor, commonly used and available in electrically or hybrid-electrically propelled vehicles, to limit the precharge current during...
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7457101 |
Electric double layer capacitor
An electric double layer capacitor suppresses gas generation by decomposition of the electrolyte solution in the capacitor and has a superior performance maintaining ratio. In the electric double...
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7449031 |
Polarized electrode for electric double layer capacitor, method for producing the same and electric double layer capacitor
An electric double layer capacitor electrode which has a low collector resistance and a high capacitance even when it is provided with an electrode active material layer containing more activated...
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7446998 |
Current collector for a double electric layer capacitor
A current collector for use in a capacitor having an aqueous or non-aqueous electrolyte, such as an aqueous sulfuric acid electrolyte. The conductive basis of the current collector may be...
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7443651 |
Organic electrolyte capacitor
An organic electrolyte capacitor. The organic capacitor is made up of a positive electrode, a negative electrode, and an electrolyte capable of transporting lithium ions. The organic capacitor...
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