Matches 251 - 295 out of 295 < 1 2 3 4 5 6
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5963417 Electrochemical capacitor  
An inexpensive porous metal oxide material having high surface area, good conductivity and high specific capacitance is advantageously used in an electrochemical capacitor. The materials are formed...
5930109 Electrolytic capacitor with multiple independent anodes  
An electrolytic capacitor having several cathode layers and several anode layers stacked in a single housing. At least some of the anode layers are electrically interconnected in a group...
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...
5905629 High energy density double layer energy storage devices  
The present invention relates to lignocellulosic-based carbon-containing double layer energy storage devices having improved electrical energy densities. In particular, the invention provides a...
5901032 Method of producing aluminum foil for electrolytic capacitors and product thereof  
An electrochemical cell for etching a metal workpiece such as an aluminum foil, a method for etching the foil using the electrochemical cell, and foil thus produced is provided. The cell includes...
5898564 Capacitor with a composite carbon foam electrode  
Carbon aerogels used as a binder for granularized materials, including other forms of carbon and metal additives, are cast onto carbon or metal fiber substrates to form composite carbon thin film...
5894402 Electrolytic capacitor and heat sink assembly  
An electrolytic capacitor with several conductive layer portions, including some anode layers and some cathode layers in alternating arrangement. A set of insulator layers is interleaved with the...
5872698 Composite multilayer electrodes for electrochemical cells  
An electrochemical cell, particularly an electrochemical capacitor device (30) includes first and second electrodes (24) and (28) having an electrolyte (26) disposed therebetween. At least one of...
5869196 Constrained filament electrolytic anode and process of fabrication  
Porous metal compacts suitable for use as electrodes are formed through the reduction of a metal billet consisting of multiple filaments of an appropriate valve metal, preferably tantalum,...
5838531 Polarizable electrode for electric double-layer capacitor, and electric double-layer capacitor using polarizable electrode  
The present invention provides; (1) a polarizable electrode for an electric double-layer capacitor, which includes a solid activated carbon obtained by pyrolyzing a mixture mainly containing an...
5822177 Electrolytic capacitor with fractal surface  
An electrolytic capacitor, in particular a tantalum electrolytic capacitor, is provided with a metal anode, in particular a sintered tantalum anode (1), a non-conducting insulating layer applied on...
5748438 Electrical energy storage device having a porous organic electrode  
An ultracapacitor having two porous organic membrane electrodes is made from microporous polymer substrates (10). The surface of the polymer substrate and the walls of the micropores (30) are...
5742474 Electric double layer capacitor  
An electric double layer capacitor which is usable at a high voltage without causing an irreversible current. Both a polarized positive electrode 14 and a polarized negative electrode 16 are made...
5729427 Macrocyclic complex modified electrodes and capacitors made therefrom  
Electrodes for electrochemical capacitor are modified with a metal macrocyclic complex made up of phthalocyanine or porphyrin ligands bound to a transition metal to achieve improved conductivity,...
5661629 High conductivity crosslinked electrolyte materials and capacitors incorporating the same  
Elastomeric polymer electrolytes are provided for use in electrical energy storage devices such as aluminum electrolytic capacitors and batteries. The electrolytes contain two or more salts of...
5659457 Carbon electrodes and energy storage device made thereof  
An electrode for an energy storage device uses a protonated polymer that is imbedded with an electroactive metal and coated onto activated carbon. Protonated poly(4-vinylpyridine) is coated onto...
5626729 Modified polymer electrodes for energy storage devices and method of making same  
Method for making high power electrochemical capacitors (28) provides for depositing an electrically polymer (18) and (20) onto a substrate (12) which has been treated so as to form nitride layers...
5621608 Solid electrolytic capacitor having two solid electrolyte layers and method of manufacturing the same  
In a solid electrolytic capacitor which employs a conducting polymer as the solid electrolyte, a first solid electrolytic layer (3) consisting of a sole conducting polymer is formed by chemical...
5600535 Amorphous thin film electrode materials from hydrous metal oxides  
This invention relates to a novel electrode material for electrochemical ) capacitors. This invention also relates to a novel method for making such electrode. The electrode material is an...
5585999 Supercapacitor electrochemical cell  
The present invention provides a thin-film palladium electrode as a reversible redox-active positive electrode in a supercapacitor configuration. A room-temperature chloroaluminate molten salt...
5568353 Electrochemical capacitor and method of making same  
An electrochemical charge storage device (60) having two asymmetric inorganic electrodes (30, 36) is provided. The device may be fabricated using a bipolar plate which acts as both the conductor,...
5563765 Amorphous cobalt alloy electrodes for aqueous electrochemical devices  
A material for use as an electrode, and particularly the cathode (30) of an electrochemical device, such as a pseudocapacitive device (10). The material is a substantially amorphous material having...
5557496 Rechargeable electric power supply device  
A rechargeable electric power supply device comprises a supply unit including a pair of electrodes spaced apart from each other embedded in a mixture of (a) fired fine pellets of an electron...
5555155 Electrochemical capacitor using proton-conducting electrolyte and method of make same  
An electrochemical capacitor device (10) fabricated of a plurality of stacked subassemblies (12, 14) and capped with end portions (16, 18). The device (10) includes a current conducting electrode...
5552245 Modified electrolyte for electrochemical cells and cells using same  
An electrolyte system for use in an electrochemical cell such as a battery or capacitor, and which includes an aqueous electrolyte and a modifier species. The modifier should be adapted to act as a...
5550706 Electrode with a long-time stability and a double-layer capacitor formed thereof  
A double-layer capacitor unit includes two electrodes as well as one electrolyte arranged between the electrodes. The electrodes each comprise an active layer made of metal oxide powder on a...
5526223 Electrode materials and electrochemical capacitors using same  
An electrochemical capacitor device (10) including an anode (20) and a cathode (30) separated by a separator (40) and surrounded by an electrolyte (50). The anode (20) and cathode (30) is...
5501922 Polyoxometalate carbon electrodes and energy storage device made thereof  
An electrode for an energy storage device is made from an activated carbon support. The activated carbon has adsorbed onto it a protonated polymer, which has a polyoxometalate absorbed into the...
5429895 Nickel alloy electrodes for electrochemical devices  
A nickel alloy material for use as a cathode of an electrochemical charge storage device (10) provides significantly higher charge densities than available in prior art devices. The nickel alloy...
5392191 Transition metal oxide anodes for aqueous pseudocapacitors  
High energy density aqueous pseudocapacitors may be achieved by providing such devices with dissimilar transition metal oxide electrodes. The transition metal oxide electrodes are particularly...
4769742 Electrolytic capacitor  
An electrolytic capacitor which can be protected from rupture thereof due to an increased pressure of electrolytically generated hydrogen gas therein and can be continuously used over a long period...
4287268 Electrode for an electrochemical cell, and an electrochemical cell  
An electrode for an electrochemical cell, the electrode comprising an electrochemically active substance selected from: (a) the group comprising or including the halogens, the alkali metals, the...
3881957 Electrochemical cell comprising a catalytic electrode of a refractory oxide and a carbonaceous pyropolymer  
An electrochemical cell having a catalytic electrode which is comprised of a refractory oxide having a surface area from 1 to 500 square meters per gram, and a carbonaceous pyropolymer forming at...
3599053 IMPROVED TITANIUM ALLOY CAPACITOR  
This invention relates to an improved electrical capacitor comprising, as an electrode, a binary alloy of titanium and aluminum or ternary alloy of titanium, zirconium and aluminum, said electrode...
3506885 ELECTRIC DEVICE HAVING PASSAGE STRUCTURE ELECTRODE  
3325698 Electrical capacitor electrode and method of making the same  
3255389 Electrical capacitor and electrode material therefor  
3239436 Method of making titanium electrolytic capacitors  
3182235 Electrical capacitor and titaniumcontaining electrode material therefor  
3141118 Electrolytic capacitor unit  
3015758 Electrolytic capacitor  
2943031 Electrodes and methods of making same  
2846624 Electrolytic capacitor  
2800616 Low voltage electrolytic capacitor  
0929745 Title is not available  
Matches 251 - 295 out of 295 < 1 2 3 4 5 6