Patent application number | Description | Published |
20130213532 | HYDROGEN STORAGE ALLOY, ELECTRODE, NICKEL-METAL HYDRIDE RECHARGEABLE BATTERY AND METHOD FOR PRODUCING HYDROGEN STORAGE ALLOY - A hydrogen storage alloy with at least two phases containing La, Ni, and Y or a heavy rare earth element, including a first phase having a composition represented by the general formula R1 | 08-22-2013 |
20130224544 | ELECTRODE PLATE, WOUND ELECTRODE GROUP, AND CYLINDRICAL BATTERY - An electrode plate is configured by applying an active material onto a base member formed of a punching steel plate, the electrode plate being wound via a separator together with an electrode plate, which has a different polarity, and having an outermost peripheral portion positioned at the outermost periphery of an electrode assembly. The rate of hole area of the base member at a different electrode overlapping portion, which radially inwardly overlaps on a winding terminal end of the electrode plate having the different polarity, is smaller than that of the base member at the outermost peripheral portion. | 08-29-2013 |
20130280602 | ALKALINE SECONDARY BATTERY - An alkaline secondary battery includes a positive electrode having active material particles principally made of nickel hydroxide, a negative electrode, and an electrolyte solution. The positive active material particle has a core layer containing nickel hydroxide and a conductive auxiliary layer which coats the surface of the core layer. The conductive auxiliary layer contains a cobalt oxyhydroxide phase and a cerium dioxide phase. The electrolyte solution is principally made of an aqueous sodium hydroxide solution. | 10-24-2013 |
20130295450 | POSITIVE ACTIVE MATERIAL FOR ALKALINE SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME AND ALKALINE SECONDARY BATTERY - A positive active material for an alkaline secondary battery having a core layer containing nickel hydroxide and a conductive auxiliary layer which coats the surface of the core layer, wherein the conductive auxiliary layer contains a cobalt oxyhydroxide phase and a cerium dioxide phase, and the active material contains lithium. | 11-07-2013 |
20140038027 | BATTERY - A battery includes: a cylindrical battery case; and an electrode body disposed in the battery case, and including a positive plate, a negative plate, and a separator disposed between the positive plate and the negative plate. A spacer formed of a dense body and an electrolyte storage space storing an electrolyte are provided between the electrode body and the battery case on one end or both ends of the battery case in an axial direction of the electrode body. | 02-06-2014 |
Patent application number | Description | Published |
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 |
20140170444 | RUBBER VALVE BODY FOR SEALED BATTERY, SAFETY VALVE DEVICE AND ALKALINE STORAGE BATTERY - A rubber valve body for sealed battery includes a rubber composition containing a resin in an amount of 20% by mass or more and an inorganic substance, wherein the melting point of the resin is in a range of 100 to 165° C. | 06-19-2014 |
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 |