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Patent Searching and Data


Matches 701 - 750 out of 5,498

Document Document Title
WO/2002/017428A1
An air-hydrogen celle which has a positive electrode comprising an air electrode, a negative electrode comprising a hydrogen occlusion alloy and, arranged between the above positive and negative electrodes as an electrolyte, a cation exc...  
WO/2002/015635A2
A miniature battery assembly for canal hearing devices is constructed of a cylindrical elongated metal shell (30) having oval cross section. The elongated oval design offers superior volumetric utilization and energy capacity in the ear ...  
WO/2002/013292A2
A method of making a cathode includes decomposing a mixture comprising a metal naphthenate, e.g., cobalt naphthenate, and incorporating the decomposed mixture into the cathode. The cathode can used, for example, in a metal-air battery an...  
WO/2002/013302A1
The invention relates to a mixed oxide material with a high electron conductivity, of empirical formula ABO¿Y?, where y ≠ 3 and where A comprises at least one metal selected from Na, K, Rb, Ca, Ba, La, Pr, Sr, Ce, Nb, Pb, Nd, Sm and...  
WO/2002/001666A2
A metal-air battery (1) includes (a) an anode (2); (b) a cathode (4) including a metal that reduces oxygen; (c) a housing (10, 20) for the anode and cathode having an air access (80) that allows oxygen to contact the cathode; (d) a separ...  
WO/2002/001655A2
An alkaline battery includes a cathode (12), an anode (14), a separator (16), an alkaline electrolyte, and a hydrogen recombination catalyst (6). The hydrogen recombination catalyst (6) includes a hydrogen oxidizing material, such as CuO...  
WO/2002/000950A2
This invention provides new compositions, methods for making these compositions, and methods of using the compositions in a variety of energy-related applications. These compositions are useful as electrode materials in devices such as b...  
WO/2001/099222A2
A recyclable fuel distribution system comprising a hierarchy of operatively linked (with fuel supply and reaction product collection elements) fluid fuel transport vehicles, fluid fuel storage tanks, fuel supply reservoirs (optional depe...  
WO/2001/097318A1
Air managers for gas depolarized power supplies such as metal-air batteries or fuel cells are described utilizing a resilient diaphragm moving in one direction by the force of an electromagnetic field and in the opposite direction by the...  
WO/2001/097313A2
An air depolarized cell with at least one movable cathode element (3) disposed in an active anode metal material which is in a fluid or paste state. The cathode element(s) continuously moves to maintain electrochemical proximity with act...  
WO/2001/097319A1
An electrically activated diaphragm air mover for gas depolarized power supplies such as metal-air batteries and fuel cells is described utilizing an electrically activated diaphragm moving within a cell casing or enclosure. An electrica...  
WO/2001/097317A1
The present invention relates to a synthetic air jet for an air depolarized electrochemical power source such as a metal-air battery. A synthetic air jet can be housed within, incorporated into, or attached to a battery casing to generat...  
WO/2001/093999A2
Electrocatalyst powders (1002) and methods for producing electrocatalyst powders (1002), such as carbon composite electrocatalyst powders (1002). The powders (1002) have a well-controlled microstructure and morphology. The method include...  
WO/2001/095422A1
The present invention provides a recycling battery including a feeding means, a battery stack and a releasing means. A certain amount of metal grains and electrolyte are added into every cell of the battery by feeding means, so the batte...  
WO/2001/093351A1
A separator for a metal halogen cell which comprises a polyolefin having a viscosity average molecular weight of 350,000 to 2,000,000 and containing a polyolefin having a molecular weight of 1,000,000 or more in a content of 15t % to 80 ...  
WO/2001/093366A1
An improved air cell, and the method of forming the air cell, is provided. The cell has a hydrophobic membrane laminated to an active layer using a high laminating force to produce a laminated air electrode with reduced air permeability....  
WO/2001/091225A1
A zinc/air button cell (210) having an adhesive sealant (143) applied to a portion of the inside surface of the cell's cathode casing (240). The adhesive sealant (143) can be applied to the inside surface of a recessed annular step (245)...  
WO/2001/091224A1
An improved button air cell is provided that contains no added mercury, is free of indium on the sealing surface of the anode cup and has an active material comprising zinc alloyed with lead.  
WO/2001/089012A2
An energy conversion system, comprising: a reservoir container (14) including at least two chambers (18a, 18b) of inversely variable volume for respectively storing a quantity of fuel and receiving a quantity of exhaust; a means (22) for...  
WO/2001/082396A2
A cathode (80) for an air recovery alkaline battery (10) is disclosed. The cathode (80) contains at least about 60% by weight MnO¿2? and at least about 2% by weight of a hydrophobic polymer; the MnO¿2? consists essentially of electroch...  
WO/2001/080335A2
The present invention relates to an electrochemical device. The device features an anode constructed of materials such that the device can be chemically recharged. In addition, the device is capable of switching between operating as a fu...  
WO/2001/078184A1
A racetrack air recovery battery (10) having a cathode (50), an anode (80), and a separator (40). The battery (10) can include a can (20) having a racetrack cross section; a cathode assembly (30) disposed in the can; a bottom cup (70) di...  
WO/2001/070392A1
Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from...  
WO/2001/071826A2
A device including an enclosed housing having an electronic circuit therein and an air-cathode/separator assembly having a catalyst layer and which is filled with an electrolyte/anode mixture which forms a battery for operating the elect...  
WO/2001/071830A2
A method of making a cathode assembly for a metal-air battery includes extruding a composition having a catalyst, a fibrillatable material, and a lubricant, to form an extrudate; calendering the extrudate; connecting the extrudate to a c...  
WO/2001/069698A1
An electrochemical cell is provided having an anode cup, a gasket, and a cathode can. The anode cup has a ratio of an upper diameter to a lower diameter greater than about 0.86 and a ratio of cup height at the upper diameter to cup heigh...  
WO/2001/067531A2
A refuelable electrochemical power source includes one or more electrochemical cells adapted to employ particulate material electrodes. The one or more cells (104) include a cell body defining an interior vell cavity, a flow path (115) i...  
WO/2001/059870A1
The present invention relates to an electrochemical element, specifically an electrochemical element with improved energy density comprising stacked electrochemical cells. In order to achieve such objects, the present invention provides ...  
WO/2001/056094A1
A method of sealing an end of a battery container is disclosed. The method includes: (a) providing a plurality of supports in a wall of the container toward the end of the container; (b) scoring the wall of the container at a position be...  
WO/2001/056098A2
An anode composition for zinc/air cells comprises a metal binder added to particulate zinc. The metal binder in contact with the particulate zinc is heated to above its melting point. Upon cooling the metal binder solidifies and adheres ...  
WO/2001/054210A2
A method of assembling a battery includes (a) inserting a cathode assembly in a can having a wall, the wall having at least one air access opening; (b) placing anode material in the can; (c) inserting a seal assembly into the can, the se...  
WO/2001/052333A2
A battery cartridge includes a first casing having a wall; and a second casing having an outer wall having a height, and an inner wall having a height less than the height of the outer wall, wherein the walls of the second casing are spa...  
WO/2001/043213A2
A process for heat treating an anode casing (60) of a zinc/air depolarized cell (10) after the casing has been formed but before anode material (50) comprising zinc is inserted therein. The anode casing has a layer of copper on its insid...  
WO/2001/039291A2
A system and method is disclosed for preventing dendrite formation in a fuel cell, battery or metal recovery system. Typical metal/air fuel cell stacks comprise a plurality of cells electrically coupled together in a serial fashion. Elec...  
WO/2001/039312A1
The invention relates to an electrochemical energy storing cell comprising a cathode (K) and an anode (A). Said cell is divided into partial cells. A hydrogen electrode (E1) is situated between the partial cells. The partial cell facing ...  
WO/2001/037358A2
A textured dual layer metal air cathode (4) is disclosed. The cathode includes a first layer (104) that contains 30 % to 70 % organic polymer by weight, a second layer (102) that contains 10 % to 30 % organic polymer by weight, and a cat...  
WO/2001/033659A1
An improved metal-air fuel cell comprising at least one non-consumable gas-diffusion cathode; at least one consumable anode; an aqueous electrolyte containing metal ions; at least one ion-exchange membrane; a housing enclosing said elect...  
WO/2001/033658A2
An improved metal anode-oxygen diffusion cathode battery having an anode; an oxygen diffusion cathode; an aqueous electrolyte containing metal cations selected from the group consisting of alkali metal cations and alkaline earth cations;...  
WO/2001/028014A1
A seamless cathode tube is made by applying a cathode coating mixture to a current collector tube. After application, the cathode coating mixture stiffens to form a seamless cathode tube.  
WO/2001/028009A1
Fuel cells (1) are stacked, supported and electrically connected into a battery structure with a connector block (20). The anode and cathode elements of each fuel cell are provided with conductive terminating elements, preferably extendi...  
WO/2001/028011A1
An electrochemical cathode includes a porous metal foam substrate, formed with a network of interconnected pores. An active layer and a hydrophobic microporous gas diffusion layer are both disposed on one or more surfaces of the metal fo...  
WO/2001/028028A1
A novel battery construction including a plurality of discharging cells formed by a cathode structure (20) having a plurality of relatively small cathode elements (21A) on a cathode support structure, and an anode structure (23) having o...  
WO/2001/028013A1
Gas-diffusion electrodes containing modified carbon products are described wherein the modified carbon product is a carbon product having attached at least one organic group. The modified carbon product can be used for at least one compo...  
WO/2001/026175A1
Certain aspects of the present invention are directed toward devices including metal-air batteries. In one application, a chemical such as acetylene is added to the core of the battery to reduce an amount of by-product hydrogen gas. In a...  
WO/2001/022522A1
An air manager system for a metal air cell is disclosed. The system includes: (a) a housing (2, 4) having an air mover (30) and an air outlet opening; and (b) a cartridge that is removable from the housing. The cartridge includes (i) a m...  
WO/2001/013456A1
A metal-air cell including (a) a container having a positive end and a negative end; (b) a cathode having an end adjacent to the positive end of the container and an end adjacent to the negative end of the container; (c) an anode; (d) a ...  
WO/2001/013455A2
A metal-air battery including: a) an anode; b) a cathode; c) a separator between the anode and the cathode; and d) a container having a louver is disclosed. A membrane is also disclosed.  
WO/2001/009520A1
A microvalve (10) for controlling fluid flow, including a body portion (14) having a plurality of spaced openings (18) formed therein, a shutter (12) located adjacent to and substantially parallel with the body portion having a plurality...  
WO/2001/009521A1
A microvalve (10) for controlling fluid flow, including a body portion (14) having at least one opening (18) formed therein, a shutter (12) located adjacent to and substantially parallel with the body portion, and a drive mechanism (20, ...  
WO/2001/009519A1
A microvalve (10) for controlling fluid includes a body portion (14) having at least one opening (18) formed therein, a shutter (12) adjacent to and substantially parallel with the body portion and having at least one opening (16) formed...  

Matches 701 - 750 out of 5,498