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7008720 Battery having a terminal lead surface covering layer and related method  
A battery includes a plurality of flat type batteries and a connector member that electrically connect the plurality of flat type batteries to one another. Each of the plurality of flat type...
6998189 Fuel cell separator and process for producing the same  
A fuel cell separator which is low in cost and high in hydrophilicity and electrical conductivity and a process for producing the fuel cell separator. The fuel cell separator is characterized in...
6994737 High-capacity polymeric Li-ion cell and its production method  
This invention is related to a process for preparing polymeric Li-ion cell with high-capacity as well as the cells manufactured with the process. The process produces anode paste with lithium salt...
6994926 Battery pack and method of producing the same  
The protection circuit unit 52 is an integrated body comprising a surface-mount type PTC thermistor 49 mounted by a soldering on a printed circuit board 44 through reflow soldering or the...
6991875 Alkaline battery including nickel oxyhydroxide cathode and zinc anode  
An alkaline battery includes a cathode including a nickel oxyhydroxide and an anode including zinc or zinc alloy particles.
6986796 Unitary lid for an electrical energy storage device  
A unitary lid for the casing of an electrochemical energy storage device is described. The lid has a terminal lead ferrule and a fillport formed from a single blank in a machining process. The lid...
6972044 Battery electrode and manufacturing method and apparatus for the same  
A workpiece, in which a lead is laid on top of a three-dimensional porous metal body, is placed between an ultrasonic horn and an anvil with a lead portion facing the ultrasonic horn. A support is...
6964690 Safety mechanism for rectangular battery and method of manufacturing the same  
A battery case ( 1 ) has a cutting groove ( 10 ) formed on its elongated side surface ( 1 a ). Between a groove bottom surface of the cutting groove ( 10 ) and an inner surface of the battery case...
6951576 Wound element electrode assembly design for use in prismatic case electrochemical cells  
An anode-cathode sub-assembly for an electrochemical cell wherein a combination of an elongated alkali metal anode and elongated solid cathode within separator therebetween is wound using a mandrel...
6946211 Polymer electrolyte membrane fuel cells  
A method for preparing polybenzimidazole or polybenzimidazole blend membranes and fabricating gas diffusion electrodes and membrane-electrode assemblies is provided for a high temperature polymer...
6946218 Battery cell having edge support and method of making the same  
The present invention, a cell layer edge support, provides longer battery cell life while minimizing the possibility of shorts within the cell. More specifically, an edge support layer is...
6939383 Method for making electrode  
Described are methods of making electrodes for electrochemical systems, especially cathodes for lithium polymer batteries, and products prepared from the methods; the methods involve the use of a...
6936080 Method and device for manufacturing coiled electrode group  
A positive electrode plate ( 8 ), a negative electrode plate ( 4 ), and a separator ( 7 ) respectively having lengths required for constituting one spiral electrode group ( 103 ) are mounted on...
6936382 Lithium batteries  
Provided is a lithium battery in which the cathode comprises an electroactive sulfur-containing material and the electrolyte comprises a lithium salt, a non-aqueous solvent, and one or more...
6936371 Method for recycling battery pack  
A method for recycling a battery pack is provided that enables a degraded battery pack to be replaced at a low cost while maintaining the advantages of a conventional sealed-type nickel-metal...
6936079 Process for assembling an electrochemical cell  
A process for assembling an electrochemical cell that utilizes an electrode containment shield to prevent internal electrical short circuits that are caused by fragments of a frangible electrode...
6933078 Crosslinked polymer electrolytes and method of making such crosslinked polymers  
This invention relates to crosslinked polymers useful as electrolytes in rechargeable batteries, to electrolytes containing such crosslinked polymers, to methods for making such polymer...
6932846 Alkaline battery  
An alkaline battery includes a cathode including lambda-manganese dioxide, an anode including zinc, a separator between the cathode and the anode, and an alkaline electrolyte contacting the anode...
6929884 Method for manufacture of films containing insoluble solids embedded in cellulose-based films  
A film which slowly releases solids is prepared by dissolving cellulose in a solvent such as an alkali metal salt, for example L 1 Cl in a polar solvent such as DMAC, dispersing the solid in the...
6929880 Square cell container and method of manufacturing the cell container  
A prismatic battery case ( 3 ) has a configuration wherein a rectangular shorter-side plate ( 3 a ) has a thickness (A) larger than a thickness (B) of a longer-side plate ( 3 b ). When the...
6924164 Method of continuous processing of thin-film batteries and like devices  
A method of making a thin-film device including a substrate-supply station that supplies a substrate. The substrate has a first layer on the substrate. Also described is a method and device for...
6921600 Separator for fuel cell and method of manufacture therefor  
A separator ( 4 ) for a fuel cell ( 1 a ) is provided which allows effective use of heat generated in proximity to an electrolytic membrane ( 2 ) in order to melt frozen water in the gas diffusion...
6921608 Battery separator  
The present invention is directed to a battery separator. The battery separator comprises a microporous film having a first portion and a second portion. The first portion is bonded to the second...
6921604 DEVICE AND METHOD FOR EVALUATING PERFORMANCE OF FUEL CELLS, DEVICE AND METHOD FOR EVALUATING SPECIFIC SURFACE AREA OF FUEL-CELL ELECTRODE CATALYSTS, FUEL-CELL ELECTRODE CATALYST, AND METHOD OF MANUFACTURING THE SAME  
A device and a method for simply and accurately evaluating-performance of fuel cells have been provided. Hydrogen gas and carbon monoxide gas are caused to flow into a sample holder where an...
6919144 Nonaqueous electrolyte secondary cell and method of manufacturing the same  
The present invention provides a nonaqueous electrolyte secondary cell having a positive electrode comprising mainly of a positive electrode active material, a negative electrode, and a nonaqueous...
6911411 Catalyst agglomerates for membrane electrode assemblies  
A method of preparing catalyst agglomerates for electrochemical devices is provided. The method comprises dispersing particles of a catalyst in a non-aqueous solvent to form a dispersion of the...
6908704 Method of manufacturing secondary battery  
A method of manufacturing a secondary battery includes preparing a winding-type electrode assembly by interposing a separator between a positive electrode plate and a negative electrode plate and...
6905797 Porous mat electrodes for electrochemical reactor having electrolyte solution distribution channels  
A multicell assembly for a redox flow electrolyzer is constituted by alternately stacking pre-assembled elements, typically an electrode subassembly including porous mat electrodes on opposite...
6902588 Manufacturing method of metal hydride alkaline storage cell  
A method of manufacturing a metal hydride alkaline storage cell includes a first step of preparing a negative electrode by applying a paste containing hydrogen absorbing alloy powder onto a...
6896706 Carbonaceous materials coated with a metal or metal oxide, a preparation method thereof, and a composite electrode and lithium secondary battery comprising the same  
A carbon anode active material for lithium secondary battery comprising a cluster or thin film layer of a metal or metal oxide coated onto the surface of the carbon active material, a preparation...
6893769 Fuel cell assemblies and methods of making the same  
A fuel cell in accordance with a present invention includes a plurality of reactant channels.
6893777 Current collector having non-symmetric grid pattern converging at a common focal point  
The present invention relates to a current collector for an electrochemical cell. The current collector has a unique grid structure comprised of a frame supporting a plurality of radial strands as...
6890670 Magnetically modified electrodes as well as methods of making and using the same  
The present invention is directed to methods for making magnetically modified electrodes and electrodes made according to the method. Such electrodes are useful as electrodes in batteries, such as...
6890684 Method of binding an electrolyte assembly to form a non-aqueous electrolyte secondary battery  
There is proposed a non-aqueous electrolyte secondary battery having an electrode assembly which is impregnated with a non-aqueous electrolyte solution, wherein the battery can be made thin while...
6887619 Cross-linked polysiloxanes  
Disclosed herein are cross-linked polysiloxane polymers having oligooxyethylene side chains. Lithium salts of these polymers can be synthesized as a liquid and then caused to solidify in the...
6887511 Method for preparing electrode material for lithium battery  
A method for preparing an electrode material for a lithium battery, characterized in that a noncrystalline silicon thin film that serves as an active material is deposited on a substrate.
6884547 Lithium polymer battery  
A lithium polymer battery includes a cathode, an anode and a porous separator disposed between the cathode and the anode. A first polymeric electrolyte is positioned on a first surface of the...
6884539 Microcell electrochemical devices and assemblies with corrosion-resistant current collectors, and method of making the same  
A fibrous microcell structure comprising: (1) an inner electrode, (2) a hollow fibrous membrane separator in contact with the inner electrode, (3) an electrolyte embedded in the hollow fibrous...
6881234 Method for making electrodes for nickel-metal hydride batteries  
A method for making the anode (or the cathode) of a nickel-metal hydride battery by electrodepositing a metal in the interstitial spaces a bed of metal-hydride active material particles (or...
6878173 Method for manufacturing electrode plate for cell  
A battery electrode plate ( 19 ) is produced via an active material impregnation step for impregnating an entire porous core substrate shaped like a thin plate ( 1 ) with an active material ( 3 ),...
6878484 Separator for secondary battery and method for producing the same  
An object of the present invention is to provide a thin battery separator having an excellent nitrate group trapping performance and a high piercing strength. The inventive separator for a...
6863699 Sputter deposition of lithium phosphorous oxynitride material  
A method of depositing lithium phosphorus oxynitride on a substrate, the method comprising loading a substrate into a vacuum chamber having a target comprising lithium phosphate, introducing a...
6864204 Fuel electrode for solid electrolyte fuel cells and a method for manufacture of the electrode  
The invention relates to a fuel electrode for high-temperature solid electrolyte fuel cells and a process for manufacture of the electrode. The fuel electrode of the invention is a porous element...
6858045 Method of manufacturing an electrolytic cell  
A method of manufacturing an electrolytic cell in which an intermediate sintered form is produced that comprises a porous anode layer and an electrolyte layer having a prespecified shape of the...
6855441 Functionally improved battery and method of making same  
A functionally improved battery is disclosed. The battery includes a flexible thin layer open liquid state electrochemical cell ( 10 ) and an electronic chip device ( 60 ) integrally formed on or...
6852445 Battery sheath made of a formed cold-rolled sheet and method for producing battery sheaths  
A battery sheath made of formed and cold-rolled sheet metal as well as a process for manufacturing the battery sheath are proposed. In the process, cold-rolled strip stock is provided on at least...
6852138 Method of making polymer electrolyte electrochemical cells  
The invention relates to a method for the preparation of a polymer electrolyte electrochemical cell using an electrolyte precursor, said precursor comprising one or more solvents, one or more salts...
6849357 Battery, a process for producing the battery, a process for producing a battery case, and a battery pack  
The present invention relates to a battery using a case of which the section of the lower part containing an electric element is square or hexagonal and the section of the upper part containing a...
6846337 Secondary battery, anode can thereof, and method of manufacturing the same  
An anode can capable of preventing leakage of liquid, method of fabricating the same, and battery using the anode can and method of fabricating the same is provided. An anode can is formed of a...
6843811 Method of manufacturing sealed battery and sealed battery  
A method of manufacturing a sealed battery that is able to keep productivity as high as possible while suppressing cracking incident to welding using an energy beam, such as a laser beam. A...