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Invention Publication
CN104300138A 正极活性物质及其制备方法、正极和可再充电锂电池 有权

正极活性物质及其制备方法、正极和可再充电锂电池
Abstract:
本发明提供了一种用于可再充电锂电池的正极活性物质、一种包括所述正极活性物质的正极、一种包括所述正极的可再充电锂电池和一种用于制备用于可再充电锂电池的正极活性物质的方法，用于可再充电锂电池的正极活性物质包括多孔材料，所述多孔材料包括：初级颗粒；以及次级颗粒，包括多个初级颗粒的聚集体。所述多孔材料具有大于或等于0.3g/cc且小于1.0g/cc的振实密度。
Abstract(English):

The invention provides a positive active material for rechargeable lithium battery, a method of preparing the same, and a positive electrode and a rechargeable lithium battery including the same. Provided are a positive active material for a rechargeable lithium battery including a porous material having a tap density of greater than or equal to 0.3 g/cc and less than 1.0 g/cc, wherein the porous material comprises primary particles and secondary particles.

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