METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY USING SAME
    1.
    发明申请
    METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY USING SAME 审中-公开
    用于制造可充电锂电池的正极活性材料和使用其的可充电锂电池的方法

    公开(公告)号:US20120264009A1

    公开(公告)日:2012-10-18

    申请号:US13435464

    申请日:2012-03-30

    摘要: A method of preparing a positive active material for a rechargeable lithium battery including a) mixing a composite metal precursor and a lithium compound; b) firing the mixture to prepare a positive active material; c) mixing the resulting positive active material, a carbon coating material, and a solvent; and d) heat-treating the resulting mixture to provide a positive active material coated with the carbon coating material, wherein the carbon coating material is used in an amount of 1 wt % to 30 wt % based on 100 wt % of the composite metal precursor, lithium compound, and carbon coating material, the firing is performed at 400 to 900° C., and the positive active material provided in d) is represented by the following Chemical Formula 1, is provided. LiaNixCoyMnzM′kO2   [Chemical Formula 1] In Chemical Formula 1, each definition is the same as in the detailed description.

    摘要翻译: 一种制备用于可再充电锂电池的正极活性材料的方法,包括:a)混合复合金属前体和锂化合物; b)烧制混合物以制备正极活性物质; c)将得到的正极活性物质,碳涂层材料和溶剂混合; 和d)对所得混合物进行热处理以提供涂覆有碳涂层材料的正极活性材料,其中所述碳涂层材料的使用量相对于所述复合金属前体的100重量%为1重量%至30重量% ,锂化合物和碳涂层材料,在400-900℃下进行焙烧,并且提供d)中提供的正极活性材料由以下化学式1表示。 LiaNixCoyMnzM'kO2 [化学式1]在化学式1中,每个定义与详细描述相同。