Patent application number | Description | Published |
20090011337 | SEPARATOR, BATTERY USING THE SAME, AND METHOD FOR MANUFACTURING SEPARATOR - A separator which includes a covering layer in which a fine framework of polyolefin resin is coated with a glass layer and an exposed layer in which the polyolefin resin is exposed is provided. A battery is provided having a cathode and an anode, an electrolyte, and a separator where the separator has the covering layer in which the fine framework of polyolefin resin is coated with the glass layer and a method for manufacturing a separator including the step of coating a fine framework of polyolefin resin with the glass layer by applying a precursor containing viscous liquid product which contains only polysilazane compound or a mixture of viscous liquid product which contains only polysilazane compound with polycarbosilazane compound to the polyolefin resin and placing the precursor applied polyoleline resin in a water bath to dry. | 01-08-2009 |
20090047580 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery is provided and includes a battery element in which a positive electrode having a positive electrode active material layer provided on a positive electrode collector and a negative electrode having a negative electrode active material layer provided on a negative electrode collector are stacked via a separator, and an edge of the negative electrode is disposed so as to protrude along the planar direction relative to an edge of the positive electrode. A positive electrode terminal is connected to the positive electrode, and a negative electrode terminal is connected to the negative electrode. The negative electrode terminal has a contact piece intersecting with the continuous direction of the edge of the negative electrode and intersecting with the planar direction of the negative electrode. The contact piece comprehensively cleaves and contacts a plurality of the edges of the negative electrode. | 02-19-2009 |
20090068559 | SUBSTANCE AND BATTERY INCLUDING THE SAME - A substance includes an oxide including at least one element selected from the group including cobalt Co, nickel Ni, manganese Mn, iron Fe, and copper Cu; and silicon Si chemically bonded to the surface of the oxide. Also, a battery includes a cathode, an anode, and an electrolyte, wherein the cathode includes an oxide including at least one selected from the group including cobalt Co, nickel Ni, manganese Mn, iron Fe, and copper Cu; and a substance including silicon Si chemically bonded to the surface of the oxide. | 03-12-2009 |
20090197158 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes a cathode that is placed opposite an anode via a separator, an open circuit voltage in the full charge state is within a range of 4.25 to 6.00 V per a pair of the cathode and the anode, the separator includes a base material layer which includes a polyolefin resin material and a surface layer which is provided at least on the surface at the side of the cathode of the base material layer and includes at least one selected from the group including polyvinylidene fluoride, polytetrafluoroethylene, and polypropylene, and at least one selected from the group including aramid, polyimide, and ceramics is present on the outermost surface of the surface layer. | 08-06-2009 |
20090197159 | SEPARATOR AND BATTERY USING THE SAME - A separator having at least: a base material layer made of a microporous membrane of a polyolefin resin; and a functional resin layer which is made of a resin different from the polyolefin resin and has a porous interconnected structure in which many holes are mutually interconnected. A diameter of a narrowest portion of through-holes of said functional resin layer is larger than a diameter of a narrowest portion of through-holes of said base material layer. | 08-06-2009 |
20120244410 | SECONDARY BATTERY, ELECTRONIC DEVICE, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A secondary battery capable of suppressing resistance rise even after repeated charge and discharge is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains titanium-containing lithium composite as an anode active material, and the electrolytic solution contains cyclic disulfonic acid anhydride. | 09-27-2012 |
20130244081 | SEPARATOR, BATTERY USING THE SAME, AND METHOD FOR MANUFACTURING SEPARATOR - A separator which includes a covering layer in which a fine framework of polyolefin resin is coated with a glass layer and an exposed layer in which the polyolefin resin is exposed is provided. A battery is provided having a cathode and an anode, an electrolyte, and a separator where the separator has the covering layer in which the fine framework of polyolefin resin is coated with the glass layer and a method for manufacturing a separator including the step of coating a fine framework of polyolefin resin with the glass layer by applying a precursor containing viscous liquid product which contains only polysilazane compound or a mixture of viscous liquid product which contains only polysilazane compound with polycarbosilazane compound to the polyolefin resin and placing the precursor applied polyolefine resin in a water bath to dry. | 09-19-2013 |