Patent application number | Description | Published |
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 |
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 |
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 |
20110192506 | Hydrogen absorbing alloy, hydrogen absorbing alloy electrode, secondary battery, and production method of hydrogen absorbing alloy - The present invention provides a hydrogen absorbing alloy containing a phase of a Pr | 08-11-2011 |
20120115034 | COBALT CERIUM COMPOUND, ALKALINE SECONDARY BATTERY, AND METHOD FOR PRODUCING COBALT CERIUM COMPOUND - A compound having a high reduction resistance and being capable of sufficiently performing a function as an electronic conductive additive when added to a positive electrode active material as an electronic conductive additive is provided. In a method for producing a cobalt cerium compound including a step of depositing a hydroxide containing cobalt and cerium in an aqueous solution containing cobalt ions and cerium ions by changing the pH of the aqueous solution and thereafter performing a treatment of oxidizing the hydroxide, the ratio of the cerium ions contained in the aqueous solution containing the cobalt ions and the cerium ions is set to be more than 5% by atom and 70% by atom or less with respect to the sum of the cobalt ions and the cerium ions before the hydroxide is deposited. | 05-10-2012 |
20120315183 | HYDROGEN ABSORPTION ALLOY, HYDROGEN ABSORPTION ALLOY ELECTRODE, AND SECONDARY BATTERY - The present invention provides a hydrogen absorption alloy, which includes chemical composition represented by the general formula M1 | 12-13-2012 |
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 |
20140087253 | NICKEL-METAL HYDRIDE STORAGE BATTERY - A nickel-metal hydride storage battery includes a negative electrode containing a hydrogen storage alloy and an electrolyte solution. The hydrogen storage alloy has a CaCu5-type crystal structure and contains at least a Ni element and a rare earth element. The rare earth element is partly substituted with an Y element, and the electrolyte solution contains NaOH in an amount of 2.0 M or more. | 03-27-2014 |
20140093776 | ALKALINE STORAGE BATTERY AND POSITIVE ELECTRODE MATERIAL FOR ALKALINE STORAGE BATTERY - A positive electrode material for an alkaline storage battery includes: nickel hydroxide; and at least one of a Sr compound, a Ca compound, and a compound of at least one element selected from the group consisting of Y and lanthanide elements of atomic number 62 (Sm) to 71 (Lu). An A element as at least one element selected from the group consisting of Al, Ga, Mn, and Mo is held in solid solution in a crystallite of the nickel hydroxide. The content of the A element, [A]/([Ni]+[A]), is 5% or more and 16% or less (where [A] represents the molarity of the A element in the crystallite and [Ni] represents the molarity of Ni). The nickel hydroxide includes α-phase nickel hydroxide and β-phase nickel hydroxide. | 04-03-2014 |
20140093777 | ALKALINE STORAGE BATTERY, POSITIVE ELECTRODE MATERIAL FOR ALKALINE STORAGE BATTERY, AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE MATERIAL FOR ALKALINE STORAGE BATTERY - A positive electrode material for an alkaline storage battery includes nickel hydroxide. Zn and an A element are held in solid solution in a crystallite of the nickel hydroxide, the A element being at least one element selected from the group consisting of Al, Ga, Mn, and Mo. The content of the A element, [A]/([Ni]+[A]+[Zn]), is 5 to 16% (where [A] represents the molarity of the A element,[Ni] represents the molarity of nickel, and [Zn] represents the molarity of zinc in the crystallite). [Zn]/([Ni]+[A]+[Zn]) is 1 to 10%. The nickel hydroxide includes α-phase nickel hydroxide and β-phase nickel hydroxide. | 04-03-2014 |
20140147732 | CYLINDRICAL BATTERY - A cylindrical battery, including: a battery case having a cylindrical shape: an electrode group disposed in the battery case, the electrode group comprising a positive electrode, a negative electrode, and a separator, the electrode group having a pair of flat outer side surfaces opposed to each other; and a spacer disposed between an inner peripheral surface of the battery case and each of the flat outer side surfaces of the electrode group. | 05-29-2014 |
20140154568 | NEGATIVE ELECTRODE FOR ALKALINE SECONDARY BATTERY, OUTER CASE FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECONDARY BATTERY - A negative electrode for an alkaline secondary battery includes a current collecting substrate having a substrate containing iron. The current collecting substrate does not have a conductive protecting layer, or has a conductive protecting layer having a thickness of 3 μm or less or having defects, on the substrate. The negative electrode contains magnesium or a magnesium compound and a hydrogen storing alloy. | 06-05-2014 |
20140170463 | CYLINDRICAL BATTERY - A cylindrical battery including: a battery case having a cylindrical shape; an electrode group disposed in the battery case, including a positive electrode, a negative electrode, and a separator, and having a pair of flat outer side surfaces opposed to each other; and a spacer disposed between an inner peripheral surface of the battery case and each of the flat outer side surfaces of the electrode group. The spacer has a case contact portion that extends continuously from a first axial end to a second axial end and is in contact with the inner peripheral surface of the battery case, and the case contact portion is formed with a communicating portion that communicates spaces partitioned by the case contact portion. | 06-19-2014 |
20140170471 | ELECTRODE PLATE, LAYERED ELECTRODE GROUP, BATTERY, AND CYLINDRICAL BATTERY - An electrode plate is formed by current collectors retaining an active material. The electrode plate includes a first plate element having an active material non-retaining portion, which does not retain the active material, and active material retaining portions in substantially flat plate shapes, which retain the active material and are formed on both sides of the active material non-retaining portion, the active material non-retaining portion being folded so that the active material retaining portions face each other, and a second plate element having an active material non-retaining portion and an active material retaining portion in a substantially flat shape. The active material retaining portion of the second plate element is in contact with and superimposed on the active material retaining portions of the first plate element. The active material non-retaining portion of the second plate element is in contact with the active material non-retaining portion of the first plate element. | 06-19-2014 |
20140193700 | CYLINDRICAL BATTERY - A battery includes a cylindrical battery case and an electrode group including a positive electrode, a negative electrode, and a separator. The electrode group and the battery case define a space communicated from a top to a bottom, and one of the positive electrode and the negative electrode has a current collecting terminal that extends from the electrode group in a direction away from a center axis of the battery case and is in contact with a bottom surface of the battery case. | 07-10-2014 |
20140193701 | ELECTRODE PLATE, LAYERED ELECTRODE GROUP, AND BATTERY - A layered electrode group according to the present invention includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate is formed into a substantial U-shape by disposing two active material retaining portions retaining the positive active material opposite to each other. The negative electrode plate is formed into a substantial U-shape by disposing two active material retaining portions retaining the negative active material opposite to each other. The positive electrode plate and the negative electrode plate are layered such that at least one active material retaining portion at the positive electrode plate is sandwiched between two active material retaining portions at the negative electrode plate. | 07-10-2014 |
20140322577 | ENERGY STORAGE DEVICE WITH SPIRAL ELECTRODE GROUP - An energy storage device including a spiral electrode group in which a first electrode plate and a second electrode plate having polarity reverse to that of the first electrode plate are spirally wound with a separator interposed therebetween, wherein the second electrode plate is opposed to an inner circumference and an outer circumference of the first electrode plate, portions of the separator are reinforced, the reinforced portions of the separator include a first reinforced portion formed between a winding-start end of the first electrode plate and the second electrode plate located on a radially outer side of the winding-start end, and a second reinforced portion formed between the winding-start end of the first electrode plate and the second electrode plate located on a radially inner side of the winding-start end, and the first reinforced portion and the second reinforced portion are arranged apart from each other. | 10-30-2014 |
20140349158 | CYLINDRICAL BATTERY - A cylindrical battery includes a cylindrical battery case and a cylindrical element including a positive electrode, a negative electrode, and a separator. A space is formed on an inner side of the element. The positive electrode or the negative electrode is split into a plurality of electrode pieces in a circumferential direction. | 11-27-2014 |