Alkaline storage battery
    58.
    发明专利
    Alkaline storage battery 有权
    碱性蓄电池

    公开(公告)号:JP2012134134A

    公开(公告)日:2012-07-12

    申请号:JP2011258562

    申请日:2011-11-28

    摘要: PROBLEM TO BE SOLVED: To suppress an increase in the resistance of a nickel positive electrode to secure sufficient battery capacity even after repeated pulse charge/discharge cycles with a large current.SOLUTION: In an alkaline storage battery 10 of the present invention, aluminum (Al) is contained in a hydrogen storage alloy negative electrode 12 and Al is also contained in a nickel positive electrode 11. In a state where a prescribed charge/discharge cycle is completed, an Al content in the nickel positive electrode 11 is 0.25% by mass or more relative to a positive electrode active material, and in powder x-ray diffraction of the positive electrode active material using Cu-Kα, the half-width of the (101) plane peak for Ni(OH)is controlled so as to be 0.5(°/2θ) or more.

    摘要翻译: 要解决的问题:即使在具有大电流的重复脉冲充放电循环之后,也可以抑制镍正极的电阻的增加以确保足够的电池容量。 解决方案:在本发明的碱性蓄电池10中,在储氢合金负极12中含有铝(Al),在镍正极11中也含有Al。在规定的电荷/ 放电循环完成时,镍正极11中的Al含量相对于正极活性物质为0.25质量%以上,在使用Cu-Kα的正极活性物质的粉末X射线衍射中, Ni(OH) 2 的(101)面峰的宽度被控制为0.5(°/2θ)以上。 版权所有(C)2012,JPO&INPIT

    Negative electrode for alkaline secondary battery, and alkaline secondary battery comprising the negative electrode
    59.
    发明专利
    Negative electrode for alkaline secondary battery, and alkaline secondary battery comprising the negative electrode 审中-公开
    用于碱性二次电池的负极和包含负极的碱性二次电池

    公开(公告)号:JP2012134110A

    公开(公告)日:2012-07-12

    申请号:JP2010287458

    申请日:2010-12-24

    摘要: PROBLEM TO BE SOLVED: To provide an alkaline secondary battery achieving compatibility between cycle life characteristics and low-temperature discharge characteristics.SOLUTION: An alkaline secondary battery 2 comprises a positive electrode 24, a negative electrode 26, and an alkaline electrolyte, and the negative electrode 26 contains a hydrogen absorbing alloy. The negative electrode 26 contains a phosphate-containing fluorine compound having a chemical structure having a phosphate group to be chemically bonded to the surface of the hydrogen absorbing alloy, and a fluorocarbon chain exhibiting water repellency.

    摘要翻译: 要解决的问题:提供一种实现循环寿命特性和低温放电特性之间的兼容性的碱性二次电池。 解决方案:碱性二次电池2包括正极24,负极26和碱性电解质,负极26含有吸氢合金。 负极26含有具有磷酸基的化学结构的含磷酸酯的氟化合物,其与吸氢合金的表面化学键合,具有防水性的氟烃链。 版权所有(C)2012,JPO&INPIT