CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    9.
    发明申请
    CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY 有权
    用于锂二次电池的阴极活性材料

    公开(公告)号:US20110086274A1

    公开(公告)日:2011-04-14

    申请号:US12833502

    申请日:2010-07-09

    IPC分类号: H01M4/525

    摘要: Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein an ion-conductive solid compound and conductive carbon are applied to a surface of the lithium nickel-manganese-cobalt oxide. A lithium secondary battery having the disclosed cathode active material has improved rate properties and high temperature stability, in turn embodying excellent cell performance.

    摘要翻译: 本文公开了一种基于由式1表示的锂镍锰 - 氧化钴的阴极活性材料,其中将离子导电固体化合物和导电碳施加到锂镍锰 - 氧化钴锂的表面。 具有所公开的阴极活性材料的锂二次电池具有改进的速率特性和高温稳定性,从而具有优异的电池性能。

    CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    10.
    发明申请
    CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY 有权
    用于锂二次电池的阴极活性材料

    公开(公告)号:US20110062378A1

    公开(公告)日:2011-03-17

    申请号:US12837926

    申请日:2010-07-16

    IPC分类号: H01M4/52

    摘要: Disclosed herein is a cathode active material based on lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide has a nickel content of at least 40% among overall transition metals and is coated with a polymer having a melting point of 80 to 300° C. at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while maintaining high temperature stability, so as to efficiently provide high charge capacity.

    摘要翻译: 本文公开了一种基于由式1表示的锂镍氧化物的阴极活性材料,其中锂镍氧化物在总过渡金属中的镍含量至少为40%,并且涂覆有熔点为80至300℃的聚合物 C.在其表面。 具有所公开的阴极活性材料的锂二次电池具有在保持高温稳定性的同时不劣化导电性的优点,从而有效地提供高充电容量。