GS Yuasa Corporation Patent applications |
Patent application number | Title | Published |
20120318413 | Hydrogen Storage Alloy, Hydrogen Storage Alloy Electrode, Secondary Battery, And Method For Producing Hydrogen Storage Alloy - Provided is a hydrogen storage alloy which is characterized in that two or more crystal phases having different crystal structures are layered in a c-axis direction of the crystal structures. The hydrogen storage alloy is further characterized in that a difference between a maximum value and a minimum value of a lattice constant a in the crystal structures of the laminated two or more crystal phases is 0.03 Å or less. | 12-20-2012 |
20110070502 | STORAGE BATTERY - A storage battery is provided in which an expand grid is improved with respect to the widths of grid wires | 03-24-2011 |
20110017035 | GRID FOR A BATTERY PLATE, METHOD OF PRODUCING THE SAME, AND BATTERY USING THE SAME - A grid for a battery plate is made by forming a metal sheet is formed into a grid-like shape. Rupture due to torsion or stress concentration does not occur in a basal portion of a wire which is drawn out from a node of the grid, thereby preventing corrosion due to electrolyte from advancing so as not to cause a crack of corrosion in an early stage. The invention provides also a battery using the grid for a battery plate, a method of producing the grid for a battery plate, and a battery using it. | 01-27-2011 |
20110017034 | GRID FOR BATTERY PLATE, METHOD OF PRODUCING THE SAME, AND BATTERY USING THE SAME - A grid for a battery plate is made by forming a metal sheet is formed into a grid-like shape. Rupture due to torsion or stress concentration does not occur in a basal portion of a wire which is drawn out from a node of the grid, thereby preventing corrosion due to electrolyte from advancing so as not to cause a crack of corrosion in an early stage. The invention provides also a battery using the grid for a battery plate, a method of producing the grid for a battery plate, and a battery using it. | 01-27-2011 |
20100297478 | Lead Acid Battery - An object of the invention is to provide a lead acid battery having a liquid surface sensor ( | 11-25-2010 |
20100252432 | ELECTROCHEMICAL OXYGEN SENSOR - The invention provides an electrochemical oxygen sensor including a cathode, an anode, and an electrolyte solution, wherein the electrolyte solution contains a chelating agent. Since the electrolyte solution in the electrochemical oxygen sensor of the invention contains the chelating agent, the speed of response can be increased. In the invention, the provision of an anode of tin is preferred from the viewpoints of low cost, a low environmental load, and a low susceptibility to liquid leakage. In the invention, the concentration of the chelating agent in the electrolyte solution is preferably not less than 0.005 mol/liter because response speed characteristics are less likely to lower. | 10-07-2010 |
20100233526 | BATTERY - The metal foil of the positive electrode | 09-16-2010 |
20100178570 | Nonaqueous electrolytic cell and its manufacturing method - The invention aims to suppress gas generation in a nonaqueous electrolytic cell having a negative electrode containing negative active material such as lithium titanate and particularly suppress swelling in a nonaqueous electrolytic cell by suppressing gas generation at the time of storage at a high temperature. The nonaqueous electrolytic cell comprises a nonaqueous electrolyte containing an electrolytic salt and a nonaqueous solvent, a positive electrode, and a negative electrode containing a negative electrode material into/from which lithium ions are inserted/extracted at a potential higher than the lithium potential by 1.2 V. The nonaqueous electrolytic cell is characterized in that the nonaqueous electrolyte contains vinylene carbonate, the negative electrode has a coat thereon, and the nonaqueous electrolytic cell is used in a range of negative electrode potential nobler than the lithium potential by 0.8 V. A nonaqueous electrolytic cell manufacturing method is characterized in that a nonaqueous electrolyte containing vinylene carbonate is used, the initial charge-discharge is carried out under a condition that the negative potential in the completed charged state exceeds the lithium potential by 0.8 V, a coat is formed on the surface of the negative electrode or a coat is formed on the surface of the negative electrode at the initial charge-discharge in such a way at least once, the negative potential is lowered below the lithium potential by 0.4 V. | 07-15-2010 |
20100178561 | Hydrogen Storage Alloy, Hydrogen Storage Alloy Electrode, Secondary Battery, And Method For Producing Hydrogen Storage Alloy - Provided is a hydrogen storage alloy which is characterized in that two or more crystal phases having different crystal structures are layered in a c-axis direction of the crystal structures. The hydrogen storage alloy is further characterized in that a difference between a maximum value and a minimum value of a lattice constant a in the crystal structures of the laminated two or more crystal phases is 0.03 Å or less. | 07-15-2010 |
20100159338 | Nonaqueous electrolyte and nonaqueous-electrolyte battery - A nonaqueous electrolyte includes an organic solvent and a lithium salt dissolved in the organic solvent, and a quaternary ammonium salt in an amount of 0.06 mol/L or greater and 0.5 mol/L or less, the quaternary ammonium salt having a structure represented by (chemical formula 3): | 06-24-2010 |
20100129708 | NON-AQUEOUS ELECTROLYTE BATTERY WHEREIN A BATTERY CASE AND A TERMINAL ARE CONNECTED THROUGH RESISTANCE - A non-aqueous electrolyte battery comprising: a battery case containing aluminum; a positive electrode terminal attached to the battery case; and a negative electrode terminal attached to the battery case and insulated from the battery case, wherein the positive electrode terminal and the battery case are connected through a resistor having resistance of 1Ω to 1 MΩ. Otherwise, A non-aqueous electrolyte battery comprising: a battery case containing iron; a negative electrode terminal attached to the battery case; and a positive electrode terminal attached to the battery case and insulated from the battery case, wherein the negative electrode terminal and the battery case are connected through a resistor having resistance of 1Ω to 1 MΩ. | 05-27-2010 |
20100086855 | CATHODE MATERIAL, MANUFACTURING METHOD OF CATHODE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES PROVIDED WITH THE CATHODE MATERIAL - An object is to provide a positive electrode material capable of increasing a discharge capacity of a nonaqueous electrolyte secondary battery, a production method thereof, and the like. Provided are a positive electrode material having a particulate active substance containing lithium manganese phosphate, wherein the particulate active substance is provided with a membranous material containing carbon and attached to the surface of the particulate active substance, and a projecting material containing carbon and projecting outward from the surface of the particulate active substance or the membranous material, a method for producing a positive electrode material having a particulate active substance containing lithium manganese phosphate, which performs a hydrothermal synthesis step of forming a particle containing lithium manganese phosphate by a hydrothermal method in the presence of a first organic compound with a molecular weight of 350 or less, which has two or more hydroxy groups in a molecule, and a calcination step of calcinating the particle in the presence of a second organic compound with a molecular weight of 500 or more, which has a hydroxy group in a molecule, and the like. | 04-08-2010 |
20100018034 | Method for producing nonaqueous electrolyte secondary battery - Disclosed is a nonaqueous electrolyte secondary battery which is suppressed in increase of internal resistance, while having high capacity retention rate and small battery swelling even after a long use. Specifically disclosed is a method for manufacturing a nonaqueous electrolyte secondary battery, which is characterized by using a positive electrode containing a positive electrode active material having an α-NaFeO2 crystal structure and the following chemical composition: LixMnaNibCocOd (wherein 001-28-2010 | |
20090295396 | Assembled battery monitoring apparatus, method for detecting wiring disconnection of assembled battery, and assembled battery system - An assembled battery monitoring device that detects presence of disconnection in wiring pulled from an assembled battery in which a plurality of electric cells are connected in series. The electric cells are connected respectively in parallel to auxiliary current channels each having a setting resistance value, and the presence of the disconnection in the wiring is detected based on a detection voltage when the switching device for auxiliary current channel is turned to the closed state. | 12-03-2009 |
20090286160 | Non-Aqueous Electrolyte Battery and Method of Manufacturing the Same - Gas generation of a non-aqueous electrolyte battery having a negative active material that intercalates/deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium as negative electrode is suppressed. | 11-19-2009 |
20090269668 | Active Material for Lithium Ion Battery Having Mg-Containing Lithium Titanate and Lithium Ion Battery - It is an object of the present invention to provide an active material for lithium ion battery having an excellent discharge capacity in the potential flat part and a high-performance and long-life lithium ion battery, and particularly to provide a technology of improving voltage flatness. | 10-29-2009 |
20090246604 | Non-Aqueous Electrolyte Battery, Method of Manufacturing the Same and Method of Using the Same - A non-aqueous electrolyte battery suppresses gas generation in a non-aqueous electrolyte battery having a negative active material that intercalates and deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium for the negative electrode thereof. The non-aqueous electrolyte battery comprises a non-aqueous electrolyte containing an electrolytic salt and a non-aqueous solvent, a positive electrode and a negative electrode having a negative active material that intercalates/deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium and is characterized in that a film coat having a carbonate structure and a thickness of not less than 10 nm exists on the surface of said negative electrode and that the non-aqueous electrolyte battery is operated in a region of potential of the negative electrode higher than 0.8 V relative to the potential of lithium. A method of manufacturing a non-aqueous electrolyte battery having a non-aqueous electrolyte, a positive electrode and a negative electrode having a negative active material that intercalates/deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium is characterized in that a film coat having a carbonate structure is brought into existence on the surface of said negative electrode by lowering the potential of the negative electrode to lower than 0.8 V relative to the potential of lithium at least once in an initial cycle. | 10-01-2009 |
20090236564 | MIXED MATERIAL OF LITHIUM IRON PHOSPHATE AND CARBON, ELECTRODE CONTAINING SAME, BATTERY COMPRISING SUCH ELECTRODE, METHOD FOR PRODUCING SUCH MIXED MATERIAL, AND METHOD FOR PRODUCING BATTERY - Disclosed is a mixed material of lithium iron phosphate and carbon, which contains secondary particles as aggregates of lithium iron phosphate primary particles and a fibrous carbon which is present inside the secondary particles. An electrode containing such a mixed material, a battery comprising such an electrode, a method for producing such a mixed material, and a method for producing a battery are also disclosed. | 09-24-2009 |
20090233174 | Method for Manufacturing Battery, Battery Manufactured by The Method, and Method for Inspecting Battery - Provided are a method for manufacturing highly reliable batteries and a method for inspecting batteries that can achieve firm, low-resistance welding upon welding of points of contact between a lead welded to the lid of a battery and an upper current collecting plate and that can eliminate batteries with defective welds. | 09-17-2009 |
20090208830 | Lead for sealed battery, sealed battery using the same and method of manufacturing the same - A lead for a sealed battery having a specific profile can realize a low resistance welding process when connecting the upper current collecting plate and the lid in order to make the sealed battery show a low resistance and excellent output characteristics. A sealed battery is realized by using such a lead and a method of manufacturing such a battery employs a specific welding step. | 08-20-2009 |
20090169933 | Hydrogen Generating Device - A hydrogen generating device can decompose fuel containing an organic compound at low temperature to generate hydrogen-containing gas that scarcely contains nitrogen and carbon monoxide without providing electric energy from outside or by providing only a small amount of electric energy from outside. | 07-02-2009 |
20090148770 | Hydrogen Absorbing Alloy, Production Method Thereof, and Secondary Battery - The present invention provides a hydrogen absorbing alloy containing a phase of a Gd | 06-11-2009 |
20090130557 | POSITIVE ELECTRODE COLLECTOR FOR LEAD ACID STORAGE BATTERY AND METHOD FOR PRODUCING THE SAME - A positive electrode current collector for lead-acid batteries contains a current collector substrate of titanium or a titanium alloy, a coating of titanium oxide formed on the surface of the current collector substrate, and a conductive ceramic layer formed on the surface of the coating, and the thickness of the coating is 0.09 μm or thinner. | 05-21-2009 |
20090130551 | Nickel Metal-Hydride Battery - A sealed nickel metal-hydride battery shows a high output density and an excellent cycle performance particularly in a cold atmosphere. In a nickel metal-hydride battery having a nickel electrode and a hydrogen absorbing electrode respectively as positive electrode and negative electrode, the hydrogen absorbing electrode is formed by making an conductive support carry hydrogen absorbing alloy powder of rare earth elements and non-rare earth elements including nickel and the saturation mass susceptibility of the hydrogen absorbing alloy powder is 2 to 6 emu/g while the rate at which the hydrogen absorbing electrode carries hydrogen absorbing alloy powder per unit area is 0.06 to 0.15 g/cm | 05-21-2009 |
20090127503 | Active Material for Lithium Ion Battery Having A1-Containing Lithium Titanate and Lithium Ion Battery - It is an object of the present invention to provide an active material for lithium ion battery capable of producing a lithium ion battery having an excellent high rate charge and discharge performance and a lithium ion battery having an excellent high rate charge and discharge performance. | 05-21-2009 |
20090123801 | Hydrogen Generating Device as Well as Fuel Cell Power Generating Device, Electric Automobile, Sumbergible Ship and Hydrogen Supply System Using the Same - A hydrogen generating device capable of generating a gas containing hydrogen at a low temperature, as well as a fuel cell power generating device, an electric automobile, a submergible ship and a hydrogen supply system using the hydrogen generating device are provided. | 05-14-2009 |
20090104527 | Hydrogen Storage Alloy, Its Production Method, Hydrogen Storage Alloy Electrode, and Secondary Battery - A hydrogen storage alloy containing a phase of a chemical composition defined by a general formula A | 04-23-2009 |
20090072741 | CERAMIC METAL HALIDE LAMP HAVING RATED LAMP WATTAGE OF GREATER THAN OR EQUAL TO 450 W - To provide a ceramic metal halide lamp having a rated lamp wattage of not less than 450 W, which will not cause flicker due to instable arc during operating of the lamp and early blacking of an arc tube. In a metal halide lamp having a rated lamp wattage of greater than or equal to 450 W, which includes: a translucent ceramic arc tube enclosure including: a main tube inside which a discharge space is formed; and two narrow tubes having smaller diameter than the main tube, each connected to either end of the main tube; two electrodes; and a metal halide provided inside the arc tube enclosure, in which one of the two electrodes is disposed so that it protrudes inside the main tube from inside of one of the two narrow tubes, and the other one of the two electrodes is disposed so that it protrudes inside the main tube from the other one of the two narrow tubes, and when the rated lamp wattage is denoted by W (watt), an inside diameter of the main tube by D (mm), an electrode protruding length which is the distance from boundary between the main tube and the narrow tubes to an end of the electrode by L (mm), and the distance between ends of the two electrodes by E (mm), a bulb wall loading G (watt/cm | 03-19-2009 |
20090047576 | Nickel Metal-Hydride Battery and Method of Manufacturing the Same - An object of the present invention is to provide a sealed nickel metal-hydride that shows an excellent output power performance, while maintaining an excellent charge/discharge cycle performance, and a method of manufacturing the same. | 02-19-2009 |
20090011320 | CATALYST-SUPPORTING POWDER AND METHOD FOR PRODUCING SAME - The catalyst-supporting powder is in form of an agglomerate formed by agglomeration of a fluorine atom-containing polymer material, a catalyst metal, a cation exchange resin, and a carbon material and the polymer material is contained in the inside of the agglomerate. | 01-08-2009 |
20090000089 | Apparatus for producing a grid for a battery plate, and method of producing the same - A method where two disk cutter rolls are used to form slits in a staggered pattern in a metal sheet; disk cutters are part of the disk cutter rolls; ridges are arranged in a peripheral edge of the disk cutters; and valleys are arranged between the ridges, where an axis-to-axis distance L (mm) of the rolls satisfies a relationship of 2r−0.3≦L<2r when a radius of a reference circumferential face made with the valleys is r (mm). The method can include a carrying procedure for passing the sheet between the rolls, then carrying the sheet along a peripheral face of one of the rolls, and then pulling out the sheet from the peripheral face. | 01-01-2009 |
20080315161 | Electrochemical Device-Oriented Electrode Material and Production Method Thereof , as Well as Electrochemical Device-Oriented Electrode and Electochemical Device - It is an object of the present invention to provide an electrochemical device adopting lithium titanate as an active material and having a sufficient output characteristic. It is another object of the present invention to provide a production method of an electrode material, an electrode, and a production method of the electrode material, to be used for the device. | 12-25-2008 |
20080251440 | Membrane Element - A membrane element in which, after membrane breakage or deterioration, the filtration plate made of a thermoplastic resin can be reused to replace the membrane with a fresh one. The membrane element comprises a filtration plate made of a thermoplastic resin and, bonded to a peripheral smooth surface thereof, a microporous filter membrane which has fine pores formed therein and employs a nonwoven fabric comprising synthetic resin fibers as a support. A hot plate having a shape corresponding to the peripheral shape of the resinous filtration plate is brought into contact with a peripheral smooth surface of the plate so as to form a recessed part in the surface. The temperature of the hot plate is regulated so as to be not higher than the melting point of the nonwoven fabric serving as the support and not lower than the Vicat softening temperature of the filtration plate made of a thermoplastic resin. The thermoplastic-resin filtration plate is pressed with this hot plate through the microporous filter membrane to bond it to the membrane. | 10-16-2008 |
20080199769 | Valve-regulated lead-acid battery and production method thereof - To improve the penetration short-circuit resistance of a valve-regulated lead-acid battery. A mixed and scooped mat of glass fibers and organic fibers is used as a separator | 08-21-2008 |