Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 2,785

Document Document Title
WO/2001/069698
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/2001/067531
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/2001/059870
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/2001/056094
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/2001/056098
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/2001/054210
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/2001/052333
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/2001/043213
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/2001/039291
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/2001/039312
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/2001/037358
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/2001/033659
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/2001/033658
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/2001/028014
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/2001/028009
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/2001/028011
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/2001/028028
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/2001/028013
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/2001/028013
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/2001/026175
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/2001/022522
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/2001/013456
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/2001/013455
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/2001/009520
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/2001/009521
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/2001/009519
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...  
WO/2001/006592
A novel fuel particle feeding mechanism that significantly improves operation of a refuelable electrochemical power source is provided. One embodiment of the mechanism provides an input of electrolyte and electrochemically active particl...  
WO/2001/006519
A proton conducting material which comprises a base material comprising a carbonaceous material having carbon as a main component and, introduced into the base material, a group capable of dissociating a proton. In the proton conducting ...  
WO/2000/075512
The invention relates to a pump cylinder in which a pump plunger is located which divides the cylinder into a front and a rear part. In the front part, said pump cylinder has a connection for sucking in the medium to be conveyed. The rea...  
WO/2000/069014
The present invention pertains to the field of electrotechnical engineering and essentially relates to current sources comprising an aluminium-based anode. In order to increase the resources and to stabilise the electrical characteristic...  
WO/2000/063985
The present invention relates to a third electrode (104) for use in a metal-air tricell (100, 200) comprising a support structure coated with a layer of a lanthanum nickel compound/at least one metal mixture, wherein the mixture is adher...  
WO/2000/059052
An electrochemical separator is formed in situ on an electrode surface within an electrochemical cell, preferably an alkaline cell cathode surface. The alkaline cell (100) comprises a zinc anode (215), and potassium hydroxide electrolyte...  
WO/2000/054360
An electrochemical cell is disclosed including a cell housing, an ion-permeable, oxygen transmission restricting membrane that divides the interior of the cell housing into a first portion exposed to ambient air and a substantially air-t...  
WO/2000/051198
A highly conductive polymer based solid gel membrane is disclosed. The membrane is especially well-suited for use in such electrochemical devices as metal/air, Zn/MnO2, Ni/Cd and hydrogen fuel cells, as well as in electrochromic devices ...  
WO/2000/044057
An air cathode (10) for use in an electrochemical cell or battery having an air permeable and water impermeable layer (12), an electrically conductive middle layer (18) and a catalytic layer (22) comprising a mixture of carbon particles,...  
WO/2000/041264
The invention relates to a metal-air electrochemical cell which exhibits good discharge performance under relatively high temperature, high humidity conditions. The cell has improved discharge performance at a temperature between about 2...  
WO/2000/039863
A sealing member for an electrochemical cell is formed of a high impact modified styrenic polymer blend which may include a styrenic polymer and an impact modifying agent which increases the toughness of the styrenic polymer. The styreni...  
WO/2000/038266
A cylindrical metal-air cell has a cylindrical housing, an axially extending cylindrical air cathode adjacent an interior surface of the housing, and a plurality of elongate plenums defined between the oxygen electrode and the interior s...  
WO/2000/038268
A metal-air cell having a cell casing, an air electrode positioned within the cell casing, and means for providing air to the air electrode when a predetermined load is placed on the cell and for substantially isolating the air electrode...  
WO/2000/036689
A prism shaped battery cell has at least two casing elements. The casing elements are mutually engageable and are assembled by bending or crimping a portion of one casing element at least partially around a second casing element. The sha...  
WO/2000/036676
An air electrode for electrochemical cells provides high current capability over prior art cathodes. The electrode has an active layer of a carbon matrix with an oxygen reduction catalyst and a fluoropolymer binder. An embedded current c...  
WO/2000/036677
An air electrode for electrochemical cells provides high current capability over prior art cathodes. The electrode has an active layer of a carbon matrix with an oxygen reduction catalyst and a fluoropolymer binder. An embedded current c...  
WO/2000/036696
Air managers for metal-air batteries are described, utilizing a diaphragm or bellows to move air in and out of one or more air openings or to move air from an inlet to an outlet. The diaphragm or bellows may be reciprocated by a linear a...  
WO/2000/036687
A carbon dioxide scrubber is added to a diffuser in a metal-air battery cell to improve the performance of the cell. The diffuser is located near the air-entry apertures of the cell, either on the inside or outside of the cell.  
WO/2000/036686
Alumina is added to the combined anode/electrolyte in a metal-alkaline battery cell such as a zinc-air battery. The resulting battery cell exhibits improved energy capacity. Preferably, the alumina is added in a concentration of about 1 ...  
WO/2000/036690
A high capacity primary (single-use; non-rechargeable) battery pack for high current portable appliances such as cellular phones employs electrochemical cells that use ambient oxygen for one of the electrodes. The pack makes possible a s...  
WO/2000/036668
A leak proof, metal-air battery cell having features for the prevention of electrolyte leakage through gaps between the casing elements of the battery cell and through openings formed on the battery cell. By forming the casing elements a...  
WO/2000/036688
A packaging for metal-air batteries and devices with metal-air batteries. The packaging substantially restricts the ingress of oxygen into the packaging, as well as other undesirable elements such as water, dirt and carbon dioxide. The p...  
WO/2000/036698
An improved metal-air battery having a metal-air cell stack positioned within a substantially uniform shell. The metal-air cell stack includes an isolating passageway.  
WO/2000/036695
A ventilation system for a metal-air battery is disclosed. The metal-air battery has one or more air cathodes, one or more air pathways from the air cathode to a reactive gas source, a closure member associated with each of the air pathw...  

Matches 701 - 750 out of 2,785