Non-aqueous electrolyte secondary battery

    公开(公告)号:US09748565B2

    公开(公告)日:2017-08-29

    申请号:US13702974

    申请日:2012-03-09

    摘要: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, wherein the positive electrode includes a positive electrode current collector and a positive electrode material mixture layer formed on one or both sides of the positive electrode current collector, the positive electrode material mixture layer has a thickness greater than 80 μm per side of the positive electrode current collector, the positive electrode material mixture layer includes a positive electrode active material, the positive electrode active material is composed of secondary particles formed by aggregation of primary particles, the secondary particles have an average particle size of 6 μm or less, and, when diffraction-line integrated intensities of the (003) plane and the (104) plane in an X-ray diffraction chart of the positive electrode material mixture layer are I003 and I104, respectively, the ratio I003/I104 of the integrated intensities is 1.1 or more.

    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    2.
    发明申请
    NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    非水电解质二次电池

    公开(公告)号:US20130236780A1

    公开(公告)日:2013-09-12

    申请号:US13702974

    申请日:2012-03-09

    IPC分类号: H01M4/485 H01M4/525 H01M4/505

    摘要: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, wherein the positive electrode includes a positive electrode current collector and a positive electrode material mixture layer formed on one or both sides of the positive electrode current collector, the positive electrode material mixture layer has a thickness greater than 80 μm per side of the positive electrode current collector, the positive electrode material mixture layer includes a positive electrode active material, the positive electrode active material is composed of secondary particles formed by aggregation of primary particles, the secondary particles have an average particle size of 6 μm or less, and, when diffraction-line integrated intensities of the (003) plane and the (104) plane in an X-ray diffraction chart of the positive electrode material mixture layer are I003 and I104, respectively, the ratio I003/I104 of the integrated intensities is 1.1 or more.

    摘要翻译: 1.一种非水电解质二次电池,包括正极,负极,非水电解质和隔膜,其中所述正极包括正极集电体和正极材料混合层,所述正极集电体和 正极集电体,正极复合层的正极集电体的每侧的厚度大于80μm,正极复合层包含正极活性物质,正极活性物质由二次 二次粒子的平均粒径为6μm以下,X射线衍射图中的(003)面和(104)面的衍射线积分强度为 正极合剂层分别为I003和I104,I003 / I104的比例为1 强度为1.1以上。