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Patent Searching and Data


Matches 701 - 750 out of 5,685

Document Document Title
WO/2004/025766A1
An improved electrolyte-particulate fuel cell (30) where the fuel cell (30) includes an anode (34), cathode, a bottom surface area formed by the anode (34) and cathode where fuel flows from top to bottom, and a screen (36) where the scre...  
WO/2004/024996A1
A method for operating an electrolyzer to produce metal particles by electrolysis of an electrolyte solution (110) while optimizing electrolyzer service life and particle quality. An electrolyzer immersed in a body of electrolyte (110) i...  
WO/2004/025755A2
Improved fuel cell systems comprise a fuel delivery system having a fluidization apparatus (105) and a fluidization pump (106) for creating an electrolyte flow suitable for fluidizing at least a portion of the fuel particles located with...  
WO/2004/025754A2
A self-controlling fuel cell power system comprises a fuel cellsubsystem having a plurality of possible operating states and a controllerwhich transitions the subsystem among the states. A related methodcomprises sensing one or more subs...  
WO/2004/024990A1
A system for maintaining a concentration range of an electroreduciblemetal species undergoing electrolysis within a predetermined concentration rangecomprises a first container containing a body of an electrolyte solution in which ametal...  
WO/2004/023593A2
An electrochemical cell or cell system includes an air mover, such as a fan (32), and one or more pressure-sensitive mechanisms (35), such as a slit valve, that allow air to enter or to exit the cell or system. Said pressure-sensitive me...  
WO2002069422A3
An electrode for an electrochemical cell is provided. The electrode comprises a plurality of fibers comprised of an electrically conductive material configured to conduct electrons to an electrolyte of the electrochemical cell.  
WO2003034524A3
A method and apparatus for converting single multiphase fluid flow into plural multiphase fluid flows having substantially uniformcomposition and flow properties. A manifold comprises an enclosure having an inlet and an inner surface per...  
WO/2004/023582A2
Electrochemical cells and electrochemical cell systems are disclosed.  
WO/2004/023585A1
A zinc air-type battery comprising first and second cathodes each with positive contacts and an anode with a negative contact. The second cathode is situated proximal to the negative contact and proximal to the anode, which can enable ai...  
WO/2004/023592A2
The present invention relates to air electrode batteries, that is batteries in which air is admitted to an electrode, normally the cathode, either for normal discharge operation of the battery or, at low or nil discharge rates, to restor...  
WO2003054987A3
The invention relates to a method for producing a zinc electrode, especially for a rechargeable zinc-air battery. According to the inventive method, a dispersion containing zinc is applied to a cellulose fibre layer and is filtered there...  
WO2003092138A3
A 3 M V(IV) bromide solution in 3-4 M HBr or HBr/HCl mixture is added to both sides of the redox flow cell or battery. On fully charging the cell, the vanadium (IV) bromide solution is reduced to produce 3M VBr2 in the negative half-cell...  
WO2002103826A3
An additive compound for oxidizable metal such as zinc is provided. The additive includes a sorbitan based compound of the formula (1), wherein R1, R2, R3 may be the same or different, and are each selected from the group consisting of O...  
WO/2004/015799A1
A power supply system for powering an electric motor (16) in an electric vehicle includes a metal-air converter (12) connected to the motor (16) for driving the motor (16) and a generator (10) connected to the metal-air converter (12) fo...  
WO2003012913A3
A method of improving the performance of magnesium containing electrodes used in metal/air batteries (fuel cells), comprising the addition of one or more additives to the electrolyte or electrode surface. The additives are selected from ...  
WO2002086988A9
Herein disclosed is a metal air electrochemical cell, which generally includes an anode metal fuel material that may be infused into a container. The container may comprise a metering device, such as a toothpaste-like container, a syring...  
WO/2004/008563A2
The invention provides a housing (310) for the cathode and the anode of a zinc/air fuel cell. The housing (310) includes a first housing component (312) which defines a chamber (320) for the anode and an air cathode opening (324) leading...  
WO/2004/004030A1
Fuel cell oxygen electrode (10) and instant startup fuel cells (30) employing such oxygen electrode (10). The oxygen electrode (10) operates through the mechanism of redox couples which uniquely provide multiple degrees of freedom in sel...  
WO/2004/001879A1
A zinc air battery, and preferably a secondary zinc air battery has an acid electrolyte in which the anionic form of an acid forms a complex with a zinc ion, and wherein the acid in the electrolyte reduces dendrite formation.  
WO/2003/103072A2
An anode structure is provided that compensates for anode expansion during cell discharge, maintains substantially uniform distance between the anode (204) and cathode (114), and/or facilitates anode removal for refueling operations. The...  
WO/2003/103073A2
The present invention provides a method of manufacturing metal-air cells systems. The method includes a thermoset molding step to integrate the cell structure with necessary cell components. In particular, a metal-air cell frame is produ...  
WO2002086988A3
Herein disclosed is a metal air electrochemical cell, which generally includes an anode metal fuel material that may be infused into a container. The container may comprise a metering device, such as a toothpaste-like container, a syring...  
WO/2003/103071A2
A system and method for charging and thus extending the life of an electrical storage device is disclosed. The system provides for developing an essentialized cell model structure of the electrical storage device; determining model param...  
WO2002089239A3
A method of making a battery having a cathode includes contacting carbon particles with an oxidizing agent, such as, for example, an inorganic acid, an organic acid, or an oxidizing gas, and incorporating the carbon particles into the ca...  
WO2003071620A3
A metal air cell (10) and cell system is provided. In general, the cell (10) includes a cathode structure (14) comprising opposing cathode portions and a space configured for receiving an anode structure (12). The anode structure (12) in...  
WO2002101853A3
A metal air cell system is provided. The system includes a cathode having a pair of oxidant sides and anode sides. An anode is provided in two parts, each part having a side complementary each anode side of the cathode. A separator is di...  
WO2002101851A3
An anode can for an electrochemical cell is disclosed. The anode can is no more than 0.0050 inch thick, and the can includes a copper layer and a stainless steel layer. The ratio of the copper layer thickness to the stainless steel layer...  
WO2002035626A3
An uninterruptible power generation and distribution system having a refuelable and rechargeable metal-air FCB based power supply unit for generating and providing electrical power to at least one electrical-energy-consuming load device....  
WO/2003/092094A2
A polymer matrix material, and an electrochemical cell using a polymer matrix material includes a polymerzazion product of one or more monomers selected from the group of water-soluble, ethylenically-unsaturated acids and acid derivative...  
WO2002035627A3
A refuelable and rechargable metal-air FCB based power supply unit for integration into a device/system for generating and providing electrical power to at least one electrical-energy-consuming load device disposed therein. An external p...  
WO/2003/092138A2
A 3 M V(IV) bromide solution in 3-4 M HBr or HBr/HCl mixture is added to both sides of the redox flow cell or battery. On fully charging the cell, the vanadium (IV) bromide solution is reduced to produce 3M VBr2 in the negative half-cell...  
WO2002035625A3
A device/system having an integrated refuelable and rechargable metal-air FCB based power supply unit for generating and providing electrical power to at least one electrical-energy-consuming load device disposed therein. An external pow...  
WO2003038925A3
An anode material for a metal air electrochemical cell is provided. The anode material comprises metal and/or metal oxide particles and a polymer electrolyte, particularly a polymer matrix material including electrolyte supported within ...  
WO/2003/090294A2
Composite film articles and assemblies that include at least one layer of expanded fluoropolymer bonded to at least one thermoplastic sheet are fabricated using a method which can adjust the gas and liquid permeability of the composite f...  
WO/2003/088392A2
A system for measuring available energy in a metal fuel cell is provided.The system comprises first componentry for measuring an electrical propertyof a mixture formed from one or more reaction products dissolved in a reactionmedium. The...  
WO2002061859A3
A non-hermetically sealed, electrochemical power source, includes a first electrode, a second electrode, a separator between the first electrode and the second electrode, and a membrane in fluid communication with an environment external...  
WO2002101852A3
A copolymer of an ethylenically unsaturated carboxylic acid, e.g. acrylic or methacrylic acid, and an aromatic sulphonate or carboxylate, e.g. sodium styrenesulphonate, either alone or supported on a substrate, may be used as a separator...  
WO2002033774A3
A removable-tab (10) for metal/air cell (60), particularly miniature zinc/air button cells which have a principal use as hearing aid batteries. The tab covers air holes (66) in the surface of the cell. The tab has a stiff elongated membe...  
WO2000015547A3
Metal-carbon composite powders and methods for producing metal-carbon composite powders. The powders have a well-controlled microstructure and morphology and preferably have a small average particle size. The method includes forming the ...  
WO/2003/071620A2
A metal air cell (10) and cell system is provided. In general, the cell (10) includes a cathode structure (14) comprising opposing cathode portions and a space configured for receiving an anode structure (12). The anode structure (12) in...  
WO2003038926A3
A hydrogen storage alloy active material for the anode of Ovonic instant startup/regenerative fuel cells. The active material includes a hydrogen storage alloy material with a water reactive chemical hydride additive, which, upon utiliza...  
WO/2003/067685A2
A catalyst, active layer, and cathode for metal air and other air-assisted cells and methods of producing these are disclosed. The cathode produced comprises a substantially unoxidized carbon support with a manganese or other oxide catal...  
WO/2003/067683A2
Various aspects of the present invention relate to current collector arrangements and compositions in an electrochemical device. In an electrochemical device used to convert chemical energy via an electrochemical reaction into electrical...  
WO/2003/061041A2
An electrochemical power system including one or more fuel cells integratedon or into a substrate is described. For each fuel cell, at least two stacked layerscomprising a cathode layer and an ion exchange layer are situated within thesu...  
WO/2003/061057A1
The rechargeable metal air electrochemical cell generally includes a pair of air cathode portions centrally disposed and attached to each other with a collapsible mechanism. Anodes are disposed in ionic communication with each air cathod...  
WO/2003/058736A1
Provided herein is a structure for use in an electrochemical cell system. The structure includes a dry component housing (180) including a plurality of dry components (110), including an anode (112) and a cathode (132). One end of the dr...  
WO/2003/054987A2
The invention relates to a method for producing a zinc electrode, especially for a rechargeable zinc-air battery. According to the inventive method, a dispersion containing zinc is applied to a cellulose fibre layer and is filtered there...  
WO/2003/055037A1
A small flat motor capable of suppressing an installation height due to a reduced thickness, reducing the number of parts to reduce a cost, and increasing a reliability, comprising plate-like extension flanges (170a) to (170d) outwardly ...  
WO/2003/054989A2
The invention relates to a method for producing a carbon support material for an electrode, especially for a rechargeable zinc-air storage battery, according to which the soot is graphitized for stabilization. Said graphitized soot is su...  

Matches 701 - 750 out of 5,685