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    • 5. 发明申请
    • ELECTRODE STRUCTURE OF LITHIUM ION BATTERY
    • 锂离子电池的电极结构
    • US20140162118A1
    • 2014-06-12
    • US13935079
    • 2013-07-03
    • INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    • Wen-Bing CHUDar-Jen LIUChen-Chung CHENLi-Chun CHENShih-Tswen TSENGShu-Heng WENChang-Rung YANG
    • H01M4/131
    • H01M4/131H01M4/1391H01M4/366H01M4/505H01M4/525H01M4/5825H01M4/625H01M10/0525
    • An electrode structure of a lithium ion battery includes a current collector, at least one energy type active layer, and at least one power type active layer. The energy type active layer and the power type active layer are formed on the current collector. The energy type active layer includes a first lithium-containing compound and multiple first conductive particles. The power type active layer includes a second lithium-containing compound and multiple second conductive particles. The first and second lithium-containing compounds are lithium-containing complex transitional metal oxides. Compositions of the first and second lithium-containing compounds include at least one of Ni, Co and Mn. A lithium ion diffusion coefficient of the second lithium-containing compound is greater than that of the first lithium-containing compound. A specific capacity of the first lithium-containing compound is greater than that of the second lithium-containing compound.
    • 锂离子电池的电极结构包括集电体,至少一个能量型有源层和至少一个功率型有源层。 能量型有源层和功率型有源层形成在集电体上。 能量型有源层包括第一含锂化合物和多个第一导电颗粒。 功率型有源层包括第二含锂化合物和多个第二导电颗粒。 第一和第二含锂化合物是含锂复合过渡金属氧化物。 第一和第二含锂化合物的组成包括Ni,Co和Mn中的至少一种。 第二含锂化合物的锂离子扩散系数大于第一含锂化合物的锂离子扩散系数。 第一含锂化合物的比容量大于第二含锂化合物的比容量。