Matches 351 - 400 out of 520 < 1 2 3 4 5 6 7 8 9 10 11 >
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6236560 Electrode for an electric double layer capacitor and electric double layer capacitor employing the electrode  
An electrode for an electric double layer capacitor including a carbonaceous material and a binder, wherein the binder includes a polytetrafluoroethylene which is made from a fine powder of...
6222723 Asymmetric electrochemical capacitor and method of making  
An asymmetric electrochemical capacitor has at least a larger capacitance electrode and a smaller capacitance electrode, with an electrolyte therebetween. The larger capacitance electrode has a...
6219221 Electrical double layer capacitor having short-circuit function  
To reduce a disparity of voltage between each unit electrical double layer capacitor without an electrical loss when a plurality of the unit electrical double layer capacitors are connected in...
6212061 Sealing an ultracapacitor  
An ultracapacitor comprises at least one cell comprising two solid, nonporous current collectors, two porous electrodes separating the current collectors, a porous separator between the electrodes...
6212063 Implantable medical device having flat electrolytic capacitor with connector block and sealed feedthroughs  
An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a...
6206937 Solid electrolytic capacitors comprising a conductive layer made of a polymer of pyrrole or its derivative and method for making the same  
A solid electrolytic capacitor comprising comprises a pair of electrodes, and a dielectric film provided between the paired electrodes wherein at least one of the paired electrodes comprising a...
6208502 Non-symmetric capacitor  
A capacitor having an electrochemical cathode electrode, an electrolytic anode electrode, and a substantially non-aqueous electrolyte disposed between the cathode and anode electrodes. The cathode...
6198620 Ultracapacitor separator  
An ultracapacitor includes two solid, nonporous current collectors, two porous electrodes separating the collectors, a porous separator between the electrodes and an electrolyte occupying the pores...
6198621 Electric double layer capacitor using polarizable electrode of single particle layer  
A polarizable electrode includes an collector electrode, and a single particle layer including carbon particles and formed on the collector electrode. A part of each of the carbon particles of the...
6195251 Electrode assembly and electric double layer capacitor having the electrode assembly  
An electrode assembly for an electric double layer capacitor, including a current collector made of an aluminum foil, and an electrode including a carbonaceous material having a specific surface...
6195252 Capacitor with dual electric layer  
A dual electric layer capacitor having one of its electrodes made of a carbon material and the other electrode from a material containing lead dioxide. The capacitor under consideration features...
6191935 Electric double-layer capacitor having hard granular carbon material penetrating into the aluminum collector electrodes  
An electric double-layer capacitor that is adapted for use in an electric vehicle, for example, and uses aluminum collector electrodes. A native oxide film is formed on each aluminum electrode....
6187061 Supercapacitor structure and method of making same  
Supercapacitor cell electrode and separator elements formulated as membranes of plasticized polymers matrix compositions are laminated with electrically conductive current collector elements to...
6185089 Electrolytic solution for capacitor and capacitor  
Non-aqueous electrolytic solutions for capacitor which release little gas and have excellent potential window of electrochemical stability, and which enable capacitors to have excellent...
6181545 Supercapacitor structure  
Supercapacitor cell electrode and separator elements formulated as membranes of plasticized polymeric matrix compositions are laminated with electrically conductive current collector elements to...
6181546 Double layer capacitor  
A capacitor for storing electrical energy using a combination of a negative electrode made of carbon material and a nickel hydroxide positive electrode reacting in electrolyte including an aqueous...
6174337 Method of construction of electrochemical cell device using capillary tubing and optional permselective polymers  
The method comprises forming a dry preunit including a stack of cells. Each cell is formed by placing sequentially a conductive support sheet coated on one or both sides with a porous conductive...
6168694 Methods for and products of processing nanostructure nitride, carbonitride and oxycarbonitride electrode power materials by utilizing sol gel technology for supercapacitor applications  
Metal nitride, carbonitride, and oxycarbonitride powder with high surface area (up to 150 m 2 /g) is prepared by using sol-gel process. The metal organic precursor, alkoxides or amides, is...
6152970 Drying an ultracapacitor  
A multilayer cell is provided that comprises two solid, nonporous current collectors, two porous electrodes separating the current collectors, a porous separator between the electrodes and an...
6137673 Electric double-layar capacitor  
An electric double-layer capacitor includes a plurality of electrode elements each having a current collector, a polarized electrode disposed on a surface thereof, and a strip-like current...
6134760 Process for manufacturing electric double layer capacitor  
A plurality of polarizable electrodes, a laminate of a collector layer, a polarizable electrode layer of a porous sheet, and a carbon-based conductive material interposed therebetween, are disposed...
6097588 Electrode materials from hydrous metal and/or hydrous mixed metal oxides  
An electrode material composed of hydrous metal oxide, such as ruthenium de, is annealed up to temperature just below the temperature at which the hydrous metal oxide would crystallize. Therefore,...
6094338 Electric double-layer capacitor  
Electric double-layer capacitor are disclosed having a non-aqueous solvent electrolyte; and a pair of polarized electrodes as positive and negative electrodes. These polarized electrodes have a...
6084766 Method of making an ultracapacitor electrode  
A film-forming paste is applied to a substrate through a screen at least in part supported by raised spaced ribs to fill spacing on the substrate defined by the ribs. The film is then cured to form...
6072694 Electrolytic capacitor with improved leakage and dissipation factor  
The adhesion of a conductive polymer film to an oxidized porous pellet anode is improved by the incorporation of a silane coupling agent in the polymer impregnating solution. The incorporation of...
6072691 Electric double layer capacitor and an assembled cell type power source device  
An electric double layer capacitor used as a unit capacitor for forming an assembled cell type power source device by connecting a plurality of capacitor elements in series, wherein each of the...
6072692 Electric double layer capacitor having an electrode bonded to a current collector via a carbon type conductive adhesive layer  
An electric double layer capacitor including an electrode containing a carbonaceous material having a specific surface area of at least 500 m 2 /g, and an organic electrolytic solution capable of...
6072693 Electric double layer capacitor and separator therefor  
An electric double layer capacitor having an electrolyte solution impregnated to an element including a positive electrode and a negative electrode facing each other with a separator interposed...
6064560 Active carbon and process for its production  
Active carbon of which the pore size distribution as measured by a Cranston-Inkley method has a peak within each of ranges of from 10 to 20 Å and from 20 to 100 Å.
6064561 Electric double layer capacitor  
A thin-type electric double layer capacitor having low internal resistance. This capacitor includes pairs of a current collector and polarizable electrode disposed opposite to each other with a...
6064562 Electric double layer capacitor  
An electric double layer capacitor having a large electrostatic capacity and a small internal resistance. This capacitor has positive and negative polarizing electrodes made of two kinds of...
6059847 Method of making a high performance ultracapacitor  
A high performance double layer capacitor having an electric double layer formed in the interface between activated carbon and an electrolyte is disclosed. The high performance double layer...
6060424 High energy density carbons for use in double layer energy storage devices  
The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials...
6046903 Electric double layer capacitor having a separation wall  
The present invention provides an electric double layer capacitor including: a gasket; a pair of collectors tightly fitted with the gasket to form a tightly sealed internal space; and polarizable...
6043183 High power density carbons for use in double layer energy storage devices  
The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials...
6043975 Capacitors using ion conductive polymer electrolyte  
An ion-conductive polymer electrolyte having a high ionic conductivity and a high stability in both of physical and chemical properties is disclosed. It has a polymer containing at least one...
6038123 Electric double layer capacitor, and carbon material and electrode therefor  
An electric double layer capacitor including an electrode containing carbon material as the main component, as a positive electrode and/or a negative electrode, and an electrolyte capable of...
6038124 Aluminum electrode foil for electrolytic capacitor and electrolytic capacitor using the foil  
An aluminum electrode foil for an electrolytic capacitor has a sponge-like etching layer formed on at least one of the surfaces thereof, and the sponge-like etching layer is reduced in a direction...
6031712 Electric double layer capacitor  
An aqueous electric double layer capacitor having excellent wettability with aqueous electrolytic solution, low internal resistance, excellent easiness of forming uniform, thin and wide films and...
6005765 Collector and electric double layer capacitor  
A conductive rubber film having a volume resistivity in the direction perpendicular to the film surface of 0.1-5 Ωcm is obtained by blending 100 parts by weight of a rubber component comprising...
5993969 Carbon film electrodes for super capacitor applications  
A microporous carbon film for use as electrodes in energy strorage devices is disclosed, which is made by the process comprising the steps of: (1) heating a polymer film material consisting...
5973912 Polarizable electrode  
The invention provides a polarizable electrode composed of activated carbon/carbon composite having micropores among which micropores having a diameter ranging from 0.1 to 5.0 micrometers have a...
5969936 Electric double layer capacitor and electrolyte therefor  
An electric double layer capacitor including electrodes made of carbon material as the main component, and an electrolyte capable of forming an electric double layer at the interface with the...
5956225 Activated carbon, process for the preparation thereof and electric double layer-type capacitor electrode  
An activated carbon has a specific surface area of pores with a pore diameter of not less than 20 Å in the pore distribution determined from the nitrogen adsorption isotherm of not less than...
5955215 Bipolar electrode-electrolyte unit  
A bipolar electrode-electrolyte unit for an electrochemical cell includes a barrier layer, at least two carrier layers and at least two active layers, and an electrolyte. The active layers comprise...
5948557 Very thin microporous material  
Very thin microporous material comprises a matrix of substantially linear polyolefin, finely divided substantially water-insoluble filler particles distributed throughout the matrix, and a network...
5949637 Current collector for electric double-layer capacitor  
A current collector for use in an electric double-layer capacitor is constructed such that it is held in intimate contact with the electrodes thereby reducing the internal resistance and providing...
5930108 Double-layer capacitor composed of a plurality of individual double-layer capacitor cells  
A double-layer capacitor is composed of at least two individual double-layer capacitor cells connected in series, with bipolar electrodes and electrolyte layers being provided alternately. Each a...
5926361 High power density double layer energy storage devices  
The present invention relates to lignocellulosic-based carbon-containing double layer energy storage devices having improved electrical power densities. In particular, the invention provides a...
5923525 Capacitor with double electric layer  
The invention is essentially a capacitor with a double electrical layer and including a housing, collecting metal plates secured under pressure within said housing, polarizable carbon electrodes,...
Matches 351 - 400 out of 520 < 1 2 3 4 5 6 7 8 9 10 11 >