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    • 28. 发明申请
    • SECONDARY LITHIUM ION BATTERY
    • 二次锂离子电池
    • US20120251877A1
    • 2012-10-04
    • US13432925
    • 2012-03-28
    • Kai WUYao ZHANGWan-hao YAO
    • Kai WUYao ZHANGWan-hao YAO
    • H01M4/64
    • H01M4/485H01M4/13H01M4/364H01M4/587H01M10/0525
    • A secondary lithium ion battery includes an anode electrode having an anode current collector and an anode active material formed on the anode current collector, a cathode electrode having a cathode current collector and a cathode active material formed on the cathode current collector; a separator interposed between the anode electrode and the cathode electrode, and a nonaqueous liquid electrolyte. The anode active material contains lithium titanate and amorphous carbon. The hybrid anode electrode containing lithium titanate and amorphous carbon of the secondary lithium ion battery according to the present invention can reduce swelling of the secondary lithium ion battery during storage or cycle and prolong life span of the secondary lithium ion battery.
    • 二次锂离子电池包括在阳极集电体上形成有阳极集电体和负极活性物质的阳极电极,具有阴极集电体的阴极电极和形成在阴极集电体上的正极活性物质; 插入在阳极电极和阴极电极之间的隔膜和非水电解液。 负极活性物质含有钛酸锂和无定形碳。 根据本发明的含有二次锂离子电池的钛酸锂和无定形碳的混合阳极可以减少二次锂离子电池在储存或循环期间的膨胀并延长二次锂离子电池的使用寿命。