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| Number | Title | Issue Date |
| 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, contained within, and spaced apart by, a ductile metal, preferably... | 02/09/1999 |
| 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 activated carbon and a thermosetting resin and which has, on ... | 11/17/1998 |
| 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 it by means of molding the metal anode (1) for forming th... | 10/13/1998 |
| 5801917 | Capacitor for an implantable cardiac defibrillator A capacitor and a method for making the capacitor using ultrasonic welding to join the cathode layers together are provided. The capacitor includes a housing defining a chamber with a step provided at an inner portion of the housing. A plurality of capaci... | 09/01/1998 |
| 5786555 | Polarizable electrode for electric double-layer capacitor, and electric double-layer capacitor using said polarizable electrode The present invention provides: a polarizable electrode for use in electric double-layer capacitor, which is made of a carbon composite material composed mainly of: 100 parts by weight of an activated carbon, 0.05 parts by weight of an amorphous carbon, 0.1-1,000 p... | 07/28/1998 |
| 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 coated with metal oxides. Both sides of the substrate can be co... | 05/05/1998 |
| 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 of the same constituents. However, a ratio of an amount of ... | 04/21/1998 |
| 5737181 | Capacitor A capacitor including a cathode of a porous coating including an oxide of at least one metal selected from the group consisting of ruthenium, iridium, nickel, rhodium, platinum, palladium, and osmium disposed on each of two opposed electrically conducting... | 04/07/1998 |
| 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, reversibility, and charge storage capacity. The electrode i... | 03/17/1998 |
| 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 approximately equal concentration, such that the salt mixture ... | 08/26/1997 |
| 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 particles of activated carbon that have high surface area, a... | 08/19/1997 |
| 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 (14) and (16) on exposed surfaces thereof. Such electroche... | 05/06/1997 |
| 5621609 | Composite electrode materials for high energy and high power density energy storage devices This invention relates to a composite electrode material for use in high rgy and high power density electrochemical capacitors, and to the electrochemical capacitor containing the electrodes. The electrodes are comprised of materials with high specific c... | 04/15/1997 |
| 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 polymerization on an oxide film (2) formed on the surface of ... | 04/15/1997 |
| 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 amorphous phase of ruthenium oxide formed directly on titanium (T... | 02/04/1997 |
| 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 composed of an organic chloride, mixed with a molar excess of ... | 12/17/1996 |
| 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, and as the substrate upon which the active electrodes are f... | 10/22/1996 |
| 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 a host matrix material selected from the group of cobalt,... | 10/08/1996 |
| 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 absorbing material consisting of Nb3 Sn and V3 | 09/17/1996 |
| 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 (22) having a layer of a second electrode material disposed... | 09/10/1996 |
| 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 surfactant, as well as reduce oxidation of the electrode ... | 09/03/1996 |
| 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 chemically stable metal carrier. The electrolyte is a diluted aq... | 08/27/1996 |
| 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 fabricated from a multi-valent, multiple oxidation state material. ... | 06/11/1996 |
| 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 polymer. Preferably, the protonated polymer is poly(4-vinylpy... | 03/26/1996 |
| 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 electrode (30) includes a host matrix material such as nicke... | 07/04/1995 |
| 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 adapted for use as the anode (20) of a pseudocapacitor device ... | 02/21/1995 |
| 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 of time, comprises an electrolytic liquid contained in a ... | 09/06/1988 |
| 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 alkaline earth metals the first and second series of transition e... | 09/01/1981 |
