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    • 10. 发明申请
    • CYLINDRICAL BATTERY
    • 圆柱电池
    • US20150180083A1
    • 2015-06-25
    • US14571486
    • 2014-12-16
    • SANYO Electric Co., Ltd.
    • Akira NishidaYasuyuki HaradaAkira HayamizuToshiyuki IkegawaKazuhiro Kitaoka
    • H01M10/04
    • H01M10/0422H01M2/26H01M4/32H01M4/801H01M10/286
    • A cylindrical battery comprises a spiral electrode assembly having a positive electrode plate being provided with a porous nickel sintered substrate using a nickel coated steel plate as a conductive core substrate, and containing a positive electrode active material mainly including a nickel hydroxide, a negative electrode plate, and a separator, and the positive electrode plate and the negative electrode plate are wound into a spiral form interposing the separator therebetween, and the positive electrode plate has a positive core substrate tab portion in which the conductive core substrate is exposed without the porous nickel sintered substrate at one end portion in the height direction, and in in a finally wound end portion of the spiral electrode assembly, a corner tip portion of the positive core substrate tab portion is bent in a direction toward an axis of the spiral electrode assembly.
    • 圆柱形电池包括具有正极板的螺旋电极组件,该正极板设有使用镀镍钢板作为导电芯基板的多孔镍烧结基板,并且包含主要包括氢氧化镍的正极活性材料,负极板 和隔膜,并且将正极板和负极板缠绕成螺旋形状,将隔板插入其间,正极板具有正芯基板突片部分,导电芯基板暴露于无芯镍 烧结基板在高度方向的一端部处,在螺旋状电极组件的最终卷绕端部中,正芯基板凸片部的角部前端部朝向螺旋状电极组件的轴线弯曲。