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| Number | Title | Issue Date |
| 7799465 | Cells There is described a fuel cell or electrolytic cell comprising an ion-conductive polymeric material which includes a first repeat unit of formula (I): —(O-Ph1-CO-Ph1-O-Ph1-CO-Ph1)-, and a second repeat unit of formula (I... | 09/21/2010 |
| 7402360 | Non-aqueous electrolyte battery The invention provides a non-aqueous electrolyte battery characterized in that: an active material of the positive electrode includes lithium manganese oxide; the shut-down temperature of the separator is 162° C. or lower; and the area contraction ratio of the sepa... | 07/22/2008 |
| 7399555 | Non-aqueous electrolytic secondary battery A non-aqueous electrolyte secondary battery comprising: an electrode plate assembly; a non-aqueous electrolyte; and an outer jacket accommodating the electrode plate assembly and the non-aqueous electrolyte therein, the electrode plate assembly comprising a positive... | 07/15/2008 |
| 7335441 | Thin layer electrochemical cell with self-formed separator A method of forming an electrochemical cell is disclosed. The method comprises contacting a negative pole layer and a positive pole layer one with the other or with an optional layer interposed therebetween. The pole layers and the optional layer therebetween are se... | 02/26/2008 |
| 7318984 | Adhesive composition-supporting separator for battery and electrode/separator laminate obtained by using the same An adhesive composition-supporting separator for a battery includes a porous substrate supporting thereon a thermally cross-linkable adhesive composition comprising a multi-functional isocyanate and a reactive polymer having a functional group capable of reacting wi... | 01/15/2008 |
| 7301002 | Sulfonated polyphenylene polymers Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of ... | 11/27/2007 |
| 7186790 | Sulfonated polyphenylene polymers Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of ... | 03/06/2007 |
| 7022431 | Thin layer electrochemical cell with self-formed separator A method of forming an electrochemical cell is disclosed. The method comprises contacting a negative pole layer and a positive pole layer one with the other or with an optional layer interposed therebetween. The pole layers and the optional layer therebetween are se... | 04/04/2006 |
| 7005464 | Woody synthetic resin compositions A woody synthetic resin molded article equivalent to natural wood in secondary processing properties such as nailing, sawing and screw clamping, excellent in strength/rigidity, and having no surface roughness to show good appearance can be stably formed by a woody s... | 02/28/2006 |
| 6924065 | Separators for winding-type lithium secondary batteries having gel-type polymer electrolytes and manufacturing method for the same A porous separator for a winding-type lithium secondary battery having a gel-type polymer electrolyte includes a matrix made of polyvinyl chloride, or a matrix made of mixtures of polyvinylchloride and at least one polymer selected from the group consisting of polyv... | 08/02/2005 |
| 6905798 | Separator for electrochemical device and method for producing the same The present invention provide a separator for an electrochemical device which comprises a wet nonwoven fabric comprising one or more kinds of fibrillated organic fibers which are at least partially fibrillated into a fiber diameter of 1 μm or less, and one or more ... | 06/14/2005 |
| 6906116 | Unsaturated polyester compounds, resins curable with actinic energy ray, processes for the production thereof, and curable compositions An unsaturated polyester compound having an ethylenically unsatureated group in its terminal and hydroxymethyl group in its side chain is obtained by the reaction of (a) a compound containing at least two oxetane rings in its molecule with (b) a compound containing ... | 06/14/2005 |
| 6815111 | Separator for a fuel cell and a method of producing the same In a separator for a fuel cell and a method of producing a separator for a fuel cell according to the invention, bond-carbon is used in which composition ratios are set to 85 to 97 wt. % (preferably, 91 to 96 wt. %) of graphite powder having an average diameter in a... | 11/09/2004 |
| 6811928 | Battery with adhesion resin layer including filler Conventional batteries are disadvantageous in that a firm outer case must be used to maintain an electrical connection between electrodes, which has been an obstacle to size reduction. Those in which each electrode and a separator are joined with an adhesive resin s... | 11/02/2004 |
| 6794078 | Fuel cell, fuel cell separator, and method of manufacture thereof A fuel-cell separator comprising a resin and an electric conductor dispersed in the resin is produced by thermally molding a mixture comprising the electric conductor and the resin. ... | 09/21/2004 |
| 6777136 | Lithium polymer battery and method for producing the same In order to improve a storage stability at high temperatures of a lithium polymer battery including: a positive electrode comprising a lithium-containing complex oxide; a negative electrode comprising a material capable of absorbing and desorbing a lithium ion; and ... | 08/17/2004 |
| 6730439 | Heat-resistant separator A heat-resistant separator composed of a non-woven fabric of high-melting resin, 1 to 20 μm in average fiber diameter, 5 to 300 g/m2 in basis weight, 1 to 200 cc/cm2/sec in air permeability, and 0.01 to 1.0 mm in thickness, or a laminated heat... | 05/04/2004 |
| 6660420 | Separator for a fuel cell and a method of producing the same In a separator for a fuel cell and a method of producing a separator for a fuel cell according to the invention, bondcarbon is used in which composition ratios are set to 60 to 90 wt. % (preferably, 70 to 87 wt. %) of graphite powder having an average dia... | 12/09/2003 |
| 6630265 | Composite electrolyte for fuel cells An inexpensive composite electrolyte for use in electrochemical fuel cells includes (i) an inorganic cation exchange material, (i) a silica-based binder; and (ii) a polymer-based binder. The cation exchange material includes aluminosilicate clays. The com... | 10/07/2003 |
| 6586137 | Battery separator A battery separator is provided which is hardly broken by tension during the manufacture of batteries, is hardly punctured with a plate flash, and is hardly torn off with a plate edge, thereby hardly causing a short circuit. Accordingly, the separator can... | 07/01/2003 |
| 6527955 | Heat-activatable microporous membrane and its uses in batteries A novel microporous membrane comprising a hot-melt adhesive and an engineering plastics, the methods of preparing such microporous membrane and the uses of the microporous membrane in, e.g., batteries, super capacitors, fuel cells, sensors, electrochromic... | 03/04/2003 |
| 6517976 | Battery element containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.... | 02/11/2003 |
| 6509118 | Valve-regulated lead-acid cells and batteries and separators used in such cells and batteries A valve-regulated lead-acid cell utilizes an absorptive glass mat separator having a glass fiber surface which is modified by treatment with at least one particular polymer, as by treatment with a polymer emulsion to coat at least part of the glass fiber ... | 01/21/2003 |
| 6506521 | Battery separator containing efficiency improving additives for a lead acid battery A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.... | 01/14/2003 |
| 6461772 | Battery diaphragm A battery diaphragm having superior chemical resistance, low resistance, superior ion selective permeability and high mechanical strength is provided. The battery diaphragm is formed of a composite film including a complex of a porous base substrate (A) w... | 10/08/2002 |
| 6444355 | Adhesive for battery, battery using the same and method of fabricating the same A lithium ion battery comprising a positive electrode 1, a negative electrode 4 and a separator 7 for retaining an electrolyte, characterized in that as an adhesive 8 for bonding said positive electrode 1 to said separator 7 and said negative electrode 4 ... | 09/03/2002 |
| 6440611 | Microcapillary battery separator including hollow fibers, and storage battery incorporating same A battery separator, for placement between conductive plates within a battery, includes a non-woven fiber mat made up of one or more nonwoven fibers, which have a specific cross-sectional shape and exhibit a microcapillary action. The fibers are preferred... | 08/27/2002 |
| 6423445 | Alkaline battery separators An alkaline battery separator comprising a gas-permeable sheet which contains a hydrophilic portion carrying a methacrylic/ethylene copolymer component having a crystallinity of 25% or more on at least a part of a surface of said hydrophilic portion.... | 07/23/2002 |
| 6355375 | Alkaline battery separator and process for producing the same An alkaline battery separator comprising a nonwoven fabric containing one or more mixture layers of entangled short fibers and entangled long fibers, wherein a fiber length of the short fibers is from 1 mm to less than 25 mm, a fiber length of the long fi... | 03/12/2002 |
| 6242124 | Separator for polymer electrolyte fuel cells and processes for production thereof The present invention provides: a separator for a polymer electrolyte fuel cell, interposed between the gas diffusion electrodes of the fuel cell and having, in at least one side, a groove for supply of an oxidizing agent or a fuel gas, which separator is ... | 06/05/2001 |
| 6200705 | Nickel-hydrogen secondary battery A nickel-hydrogen secondary battery having a negative electrode comprising a hydrogen-absorbing alloy containing magnesium, a rare earth element and nickel as essential elements, which is capable of suppressing the self-discharge being occurred under the ... | 03/13/2001 |
| 5597659 | Manufacturing method of a separator for a lithium secondary battery and an organic electrolyte lithium secondary battery using the same separator An organic electrolyte lithium secondary battery wherein lithium is an active material. The battery comprises a negative electrode made of metallic lithium or a lithium alloy and a separator made of a microporous polyolefin separator matrix whose pores ar... | 01/28/1997 |
| 5578400 | Grafted microporous separator for electrochemical generator and a process for its production A separator for an electrochemical generator is constituted by a microporous polyolefin film grafted with at least one monomer selected from diethyleneglycol dimethacrylate, furfuryl acrylate and a diethyleneglycol dimethacrylate/acrylic acid mixture. In ... | 11/26/1996 |
| 5429891 | Crosslinked hybrid electrolyte film and methods of making and using the same A polymeric film useful as an interelectrode separator or electrolyte member in electrolytic devices, such as rechargeable batteries, comprises a copolymer of vinylidene fluoride and hexafluoropropylene, a medium to high-boiling plasticizer, and a finely ... | 07/04/1995 |
| 5393619 | Cell separator for use in bipolar-stack energy storage devices An improved multi-cell electrochemical energy storage device, such as a battery, fuel cell, or double layer capacitor using a cell separator which allows cells to be stacked and interconnected with low electrical resistance and high reliability while maxi... | 02/28/1995 |
| 5336274 | Method for forming a cell separator for use in bipolar-stack energy storage devices An improved multi-cell electrochemical energy storage device, such as a battery, fuel cell, or double layer capacitor using a cell separator which allows cells to be stacked and interconnected with low electrical resistance and high reliability while maxi... | 08/09/1994 |
| 5250372 | Separator for mat-immobilized-electrolyte battery An electrolyte-immobilizing mat for a mat-immobilized-electrolyte battery comprising a plurality of randomly oriented resilient fibers resistant to and wettable by sulfuric acid electrolyte, wherein the mat is held in a stressed, precompressed state by a ... | 10/05/1993 |
| 5240468 | Method of making a mat-immobilized-electrolyte battery An electrolyte-immobilizing mat for a mat-immobilized-electrolyte battery comprising a plurality of randomly oriented resilient fibers resistant to and wettable by sulfuric acid electrolyte, wherein the mat is held in a stressed, precompressed state by a ... | 08/31/1993 |
| 4737421 | Method for producing a carbon sheet and a fuel cell separator The present invention relates to a method for producing a carbon sheet by baking and aims to produce a warpage-free carbon sheet having a high electric conductivity. The present invention is characterized by forming sheets comprising fibrous cellulose, th... | 04/12/1988 |
| 4643956 | Coke filled separator plate for electrochemical cells An electrochemical cell separator plate formed from a mixture of carbonizable resin and coke particles, wherein the plate is molded from the resin and coke particles, carbonized, and graphitized. The particle size distribution of the coke is selected so t... | 02/17/1987 |
