Matches 51 - 100 out of 290 < 1 2 3 4 5 6 >
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6533964 Polymer, binder resin, composition for ionically conductive polymer electrolyte, and secondary battery  
The invention provides a novel polymeric compound comprising polyvinyl alcohol units and having an average degree of polymerization of at least 20, in which some or all of the hydroxyl groups on...
6509119 Carbon electrode material for a vanadium-based redox-flow battery  
The carbon electrode material of the present invention is used for a vanadium redox-flow cell. The carbon electrode material has quasi-graphite crystal structure in which <002> spacing...
6475653 Non diffusion fuel cell and a process of using the fuel cell  
A fuel cell having an anode immersed in an electrolyte in an anode tank, and a cathode immersed in the electrolyte in the cathode tank, and the anode and the cathode connected to an external...
6475661 Redox flow battery system and cell stack  
A redox flow battery composed of a plurality of cells in electrical series defined by a stacked and repetitive arrangement of a conductive intercell separator having a generally bipolar function, a...
6468694 High energy density boride batteries  
Borides generally can produce a cell with a high energy density. High power densities are also achievable using borides that are reasonably good conductors of electricity. High density is important...
6465124 Magnesium anode, seawater/acid/catholyte electrolyte utilizing a palladium and iridium carbon paper cathode electrochemical system  
The present invention relates to an improved magnesium semi-fuel cell which has a magnesium anode, a seawater/catholyte electrolyte, preferably containing acid to solubilize solid precipitates, and...
6413675 Multi layer electrolyte and cell using the same  
A multi layer electrolyte and a secondary cell using the multi layer electrolyte. The multi layer electrolyte comprises a solid electrolyte and other electrolyte such as gel electrolyte and/or...
6376123 Rechargeable positive electrodes  
Disclosed are positive electrodes containing active-sulfur-based composite electrodes. The cells include active-sulfur, an electronic conductor, and an ionic conductor. These materials are provided...
6358643 Liquid electrolyte lithium-sulfur batteries  
A high performance lithium-sulfur battery cell includes the following features: (a) a negative electrode including a metal or an ion of the metal; (b) a positive electrode comprising an...
6242125 Battery circulation system with improved four-way valve  
A circulation system for a flowing-electrolyte battery having at least one electrochemical cell, an anolyte reservoir, and a catholyte reservoir. The circulation system includes an anolyte pump...
6207324 Zinc sulfur battery  
An electric storage cell (10) comprises a zinc anode (12) and a sulfur cathode (14), wherein the zinc and the sulfur are in contact with an aqueous solution (22) containing sulfur during the...
6168878 Electrochemical cell having a controlled electrode surface and associated fabrication and chemical process  
An electrochemical cell, and an associated process, wherein the cell includes a controlled electrode surface comprising an electrode with a metallic current collector having a surface, an...
6030720 Liquid electrolyte lithium-sulfur batteries  
Disclosed are electrolyte solvents for ambient-temperature lithium-sulfur batteries. The disclosed solvents include at least one ethoxy repeating unit compound of the general formula R 1 (CH 2 CH...
6025094 Protective coatings for negative electrodes  
Disclosed is an alkali metal negative electrode having a protective layer. Specifically, the disclosed negative electrode includes a glassy or amorphous surface protective layer which conducts...
6007943 High temperature electrochemical cell with molten alkali metal anode  
An electrochemical cell comprises a housing defining an interior space, and a separator in the housing dividing said space into an anode compartment and a cathode compartment. A sodium anode is in...
5998052 Composite battery and methods of forming same  
A composite electrical battery including a primary electrochemical cell and a fully or partially discharged rechargeable electrochemical cell. The rechargeable electrochemical cell is electrically...
5965291 Perforated film for modifying the electrochemical surface area of a cell  
A perforated fabric for modifying the effective electrochemical surface area of a cell is described. The size and pattern of perforations in the fabric determine the effective electrochemical...
5869200 Magnetic slurry fueled battery system  
A battery system and method of operation are shown. The battery system utilizes a microparticle fuel slurry containing microparticle spheres surrounded by active electrochemical material. In the...
5851694 Redox flow type battery  
The present invention relates to a liquid-circulating type redox flow battery which comprises (a) said battery being defined by a ratio (H/L) where (H) is the average height of each of said...
5800941 Electrochemical cell  
An electrochemical cell and method for producing same. The cell includes a metal anode, a non aqueous liquid cathode solution, an electrolyte dissolved in the non aqueous liquid cathode solution, a...
5759711 Liquid-circulating battery  
The present invention provides a liquid-circulating battery including a positive electrode, a negative electrode, a permeable membrane interposed between the positive and negative electrodes to...
5718986 Cells with a battery positive of hypochlorite or chlorite ion and anodes of magnesium or aluminum  
A cell or battery which is environmentally benign and which has an electrolyte containing a solution of an alkali metal chlorite or hypochlorite, an anode of Mg or Al and an inert cathode.
5712054 Rechargeable hydrogen battery  
A very high gravimetric energy and power density hydrogen ion based rechargeable battery, which stores hydrogen and oxygen in lightweight porous carbon electrodes with metalized current collectors,...
5712057 Poly-sulfide and carbon electrode material and associated process  
An electrolytic cell, such as a rechargeable lithium battery, having a poly-sulfide compound attached to the cathode provides a reversible cell capacity of at least 200 mAh/g. Fabrication of an...
5702842 Process for charging and discharging zinc/bromine batteries  
A process for charging and discharging zinc/bromine batteries with a plurality of anode and cathode chambers into and from which anolyte or catholyte fluids are fed and drained. Metallic zinc is...
5665212 Flexible, conducting plastic electrode and process for its preparation  
Conducting plastic electrodes and methods of preparing such electrodes are disclosed. The electrodes comprise a thermo-plastic polymer, an elastomeric polymer, and a conductive filler material.
5656390 Redox battery  
The present invention provides a redox battery using two layer, liquid permeable, porous electrodes, each having a porous electrode layer having high surface area comprising carbon fiber at the...
5650239 Method of electrode reconditioning  
A method of restoring electrochemical activity to an electrode of a battery. The battery is a bipolar, electrochemical flow battery including a predetermined number of electrochemical cells and an...
5648184 Electrode material for flow-through type electrolytic cell, wherein the electrode comprises carbonaceous material having at least one groove  
An electrode material for a liquid flow-through type electrolytic cell comprising a separator interposed between a pair of collectors counter-opposing each other via a gap, and an electrode...
5648183 Aluminum and sulfur electrochemical batteries and cells  
A battery is provided comprising an aluminum anode, an aqueous sulfur catholyte, and a second electrode capable of reducing sulfur. A polysulfide cathode (for use with the above battery or...
5643692 Power generator  
To provide a power generator capable of replacing thermal generators, which is capable of realizing large amounts of power at low cost while using almost no fossil fuels and without polluting the...
5636437 Fabricating solid carbon porous electrodes from powders  
Fabrication of conductive solid porous carbon electrodes for use in batteries, double layer capacitors, fuel cells, capacitive dionization, and waste treatment. Electrodes fabricated from low...
5626981 Rechargeable lithium electrochemical cell  
The present invention concerns a rechargeable lithium electrochemical cell comprising an anode containing a carbon-containing material with a degree of crystallinity which is greater than 0.8 and...
5624767 Alkali metal cell having main and alternate electrodes  
An electrochemical cell including an alkali metal anode and a cathode, one of the anode or cathode being connected to a structure for making electrical connection from a load to the cell, the other...
5612148 Process for energy storage and/or power delivery with means for restoring electrolyte balance  
An electrochemical apparatus for energy storage and/or power delivery comprises multi-compartment cells with the + ve chamber and the - ve chamber of each cell being separated by at least one...
5607788 Zinc-bromine battery with circulating electrolytes  
Zinc-bromine battery with circulating electrolytes, motor-driven pumps with pump chambers, containers for the electrolytes, dipolar electrodes and separators of synthetic material fitted between...
5601951 Rechargeable lithium ion cell  
An inorganic electrolyte rechargeable electrical storage cell is shown which makes use of non-metallic electrodes in combination with an inorganic electrolyte that includes sulfur dioxide. The...
5601943 Module for an aqueous battery system  
A module for liquid electrolyte, electric energy storing devices. The module includes a double-walled container having an innerwall and an outerwall and a rim. The container includes a first well...
5591538 Zinc-bromine battery with non-flowing electrolyte  
A battery including a plurality of bipolar electrodes and non-conductive separators, each having first and second surfaces. A carbon coating is applied on the first surface of each of the plurality...
5585208 Alkaline gel electrolyte for electrochemical cells  
An alkaline gel electrolyte for an electrochemical cell is based on a polymeric binder of polyvinyl alcohol or polyvinyl acetate. Potassium hydroxide and/or sodium hydroxide is blended into the...
5582623 Methods of fabricating rechargeable positive electrodes  
Disclosed are methods of making solid-phase active-sulfur-based composite electrodes. The method begins with a step of combining the electrode components (including an electrochemically active...
5554457 Foil positive electrodes in sodium-nickel chloride batteries  
Power density of a sodium/transition metal halide cell, particularly a Na/NiCl 2 cell is enhanced by forming a high area foil nickel chloride electrode such as a film of sintered nickel chloride...
5532077 Rechargeable positive electrode  
Disclosed are battery cells comprising a sulfur-based positive composite electrode. Preferably, said cells are secondary cells, and more preferably thin film secondary cells. In one aspect, the...
5516598 Secondary cell using organosulfur/metal charge transfer materials as positive electrode  
A novel battery cell is disclosed which is characterized by a metal-organosulfur positive electrode which has one or more metal-sulfur bonds wherein when the positive electrode is charged and...
5512386 Liquid cathode lithium cell  
The present invention provides a liquid cathode lithium cell including an electrolyte and a carbon-based electrode, said cell being characterized by the fact that said electrode is composed of a...
5496659 Electrochemical apparatus for energy storage and/or power delivery comprising multi-compartment cells  
An electrochemical apparatus for energy storage and power generation comprises a single cell or an array of unit cells (10), each cell comprising a + ve electrode (12) and a - ve electrode (14)...
5462818 High temperature sodium-graphite electrochemical cell  
An electrochemical cell is provided using graphite immersed in molten NaA 4 (mp150° C.) as the cathode, liquid sodium as the anode and β alumina as the sodium ion conducting solid electrolyte to...
5445905 Dual flow aluminum hydrogen peroxide battery  
A novel dual flow battery configuration is provided comprising an aqueous drogen peroxide catholyte, an aqueous anolyte, a porous solid electrocatalyst capable of reducing said hydrogen peroxide...
5436087 Process for reducing unwanted specific electro chemical conversion in rechargeable batteries  
A process for reducing unwanted specific electrochemical conversion in rechargeable batteries with circulating electrolytes and bipolar electrodes with diaphragms therebetween to form anolyte or...
5304432 Membrane flow cell battery  
A rechargeable membrane flow cell battery useful for providing electrical power to electric loads. The rechargeable membrane flow cell battery includes a bipolar stack of at least two membrane flow...
Matches 51 - 100 out of 290 < 1 2 3 4 5 6 >