Nickel-metal hydride secondary battery
    2.
    发明公开
    Nickel-metal hydride secondary battery 审中-公开
    镍金属网Sekundärbatterie

    公开(公告)号:EP1032067A2

    公开(公告)日:2000-08-30

    申请号:EP00103378.6

    申请日:2000-02-23

    IPC分类号: H01M10/30 H01M10/34

    摘要: A nickel-metal hydride secondary battery comprising electrode group comprising positive electrode comprised mainly of nickel hydroxide, negative electrode comprised mainly of a hydrogen storage alloy, and separator being disposed between the positive electrode and the negative electrode, wherein the electrode group is sealed in battery casing, together with an alkali electrolyte liquid, wherein, in the battery, a W element and an Na element are present simultaneously. The nickel-metal hydride secondary battery of the present invention is advantageous not only in that it exhibits high utilization of the active material and excellent self-discharge characteristics in a high temperature storage as well as high charging efficiency in a high temperature environment, but also in that it has excellent large current discharge characteristics.

    摘要翻译: 一种镍氢二次电池,包括主要由氢氧化镍构成的正极的电极组,主要由储氢合金构成的负极和位于正极和负极之间的隔膜,其中电极组密封在电池 壳体和碱性电解质液体,其中在电池中同时存在W元素和Na元素。 本发明的镍氢二次电池不仅在高温环境中具有高活性物质的利用率和优异的自放电特性以及高温环境下的充电效率高的优点, 因为它具有优异的大电流放电特性。

    Positive electrode, alkaline secondary battery, and method for manufacturing alkaline secondary battery
    4.
    发明公开
    Positive electrode, alkaline secondary battery, and method for manufacturing alkaline secondary battery 失效
    正极,碱性二次电池以及碱性二次电池的制造方法

    公开(公告)号:EP0852405A3

    公开(公告)日:1998-10-14

    申请号:EP97310237.9

    申请日:1997-12-17

    IPC分类号: H01M4/52

    摘要: An alkaline secondary battery which is characterized in that it comprises, a positive electrode (2) containing nickel hydroxide having a value of 0.8° or more in the half-width of a peak in the (101) plane thereof as measured by X-ray powder diffraction (2θ) using Cu-Kα ray, and 4.0 to 15% by weight of at least one material selected from the group consisting of zinc and zinc compounds, and an alkali electrolyte, the ratio of which to theoretical capacity of the positive electrode being 0.7 to 2.0 cm 3 /Ah, the weight of the at least one material being one calculated as zinc element and based on the weight of the nickel hydroxide. The positive electrode may also comprise an alkali metal compound selected from the group of cesium, rubidium and potassium compounds.

    摘要翻译: 1。一种碱性二次电池,其特征在于,包含含有氢氧化镍的正极(2),所述正极(2)包含在通过X射线测量的(101)面中的峰的半峰宽处具有0.8°或更大的值 使用Cu-Kα射线的粉末衍射(2θ)和4.0-15重量%的至少一种选自锌和锌化合物的材料以及碱性电解质,其中所述碱性电解质与正极的理论容量的比率 为0.7-2.0cm 3 / Ah,所述至少一种材料的重量为以锌元素计算的并且基于所述氢氧化镍的重量的重量。 正电极还可以包含选自铯,铷和钾化合物的碱金属化合物。

    Positive active material for alkaline secondary cell and method for producing the same, and alkaline secondary cell using the positive active material and method for producing the same
    6.
    发明公开
    Positive active material for alkaline secondary cell and method for producing the same, and alkaline secondary cell using the positive active material and method for producing the same 审中-公开
    用于碱性二次电池及其制备方法,和阳性物质的正极活性物质使用的碱性二次电池及其制造方法

    公开(公告)号:EP1113512A1

    公开(公告)日:2001-07-04

    申请号:EP00128418.1

    申请日:2000-12-28

    IPC分类号: H01M4/32 H01M4/52

    CPC分类号: H01M4/52 H01M10/28 H01M10/342

    摘要: Provided is a active material for positive electrode for an alkaline secondary cell, which advantageously exhibits improved overdischarge characteristics, improved utilization of the active material and an improved effect of suppressing the rise in cell internal pressure, a method for producing the same, and an alkaline secondary cell using the above active material for positive electrode, especially a nickel-hydrogen secondary cell.
    The above active material comprises nickel hydroxide particles each having a surface to which a cobalt oxide sticks, wherein the cobalt oxide contains 20 to 40 % by mole of cobalt (II) oxide, wherein the nickel hydroxide particles form an eutectic together with Co and Zn or/and Y, and the Co content of the eutectic is 2 % by mass or less, and the nickel hydroxide particles have a value of a half width of the peak ascribed to the (101) crystal face diffraction of 0.8°/2θ(Cu-K α ) or more as measured by powder X-ray diffractometry.

    摘要翻译: 提供了一种用于碱性正极活性物质的碱性二次电池,其有利地具有改进的过放电特性,改善了活性材料的和改进的抑制电池内压的上升,其制造方法的效果的利用,并 使用用于正极上述活性物质的二次电池中,尤其是爱一个镍 - 氢二次电池。 上述活性材料包含氢氧化镍颗粒,每个颗粒的表面到其上钴氧化物棒,用Co和Zn一起worin钴氧化物含有20至40%的钴的摩尔(II),氧化worin的共晶的氢氧化镍颗粒形式 或/和Y,和共晶的Co的含量为2质量%或更小,并且氢氧化镍颗粒具有归因于0.8°/ 2和θ驱动的(101)晶面的衍射峰的半宽度的值; (铜-K的α)以上作为通过粉末X-射线衍射法测定。

    Positive electrode, alkaline secondary battery, and method for manufacturing alkaline secondary battery
    7.
    发明公开
    Positive electrode, alkaline secondary battery, and method for manufacturing alkaline secondary battery 失效
    Positivelektrode,alkalischeSekundärbatterie,und Verfahren zur Herstellung von alkalischerSekundärbatterie

    公开(公告)号:EP0852405A2

    公开(公告)日:1998-07-08

    申请号:EP97310237.9

    申请日:1997-12-17

    IPC分类号: H01M4/52

    摘要: An alkaline secondary battery which is characterized in that it comprises, a positive electrode (2) containing nickel hydroxide having a value of 0.8° or more in the half-width of a peak in the (101) plane thereof as measured by X-ray powder diffraction (2θ) using Cu-Kα ray, and 4.0 to 15% by weight of at least one material selected from the group consisting of zinc and zinc compounds, and an alkali electrolyte, the ratio of which to theoretical capacity of the positive electrode being 0.7 to 2.0 cm 3 /Ah, the weight of the at least one material being one calculated as zinc element and based on the weight of the nickel hydroxide. The positive electrode may also comprise an alkali metal compound selected from the group of cesium, rubidium and potassium compounds.

    摘要翻译: 一种碱性二次电池,其特征在于,其包含在其(101)面中的峰的半值宽度为0.8度以上的氢氧化镍的正极(2),其通过X射线 使用Cu-Kα射线的粉末衍射(2θ)和4.0-15%(重量)选自锌和锌化合物的至少一种材料和碱性电解质,其与 正电极为0.7〜2.0cm 3 / Ah,所述至少一种材料的重量为以锌元素计算的重量,基于氢氧化镍的重量。 正极还可以包含选自铯,铷和钾化合物的碱金属化合物。