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发明公开
CN101447563A 负极活性材料及其制备方法和包含该材料的可充电锂电池 有权 转让

负极活性材料及其制备方法和包含该材料的可充电锂电池
摘要：
本发明提供了一种用于可充电锂电池的负极活性材料及其制备方法和包含该材料的可充电锂电池。用于可充电锂电池的负极活性材料包括至少一个具有片形材料的大体上的球形组装体，所述片形材料能掺杂和脱掺杂锂，并且所述片形材料被布置成限定中央孔的大体上的球形。所述负极活性材料提供改善的循环寿命特性。
摘要（英）：

A negative active material for rechargeable lithium batteries and a method of manufacturing the negative active material are provided. The negative active material for rechargeable lithium batteries includes at least one generally spherical assembly having flake-shaped materials that are capable of doping and dedoping lithium, and are arranged in a generally spherical shape defining a central pore. The negative active material imparts improved cycle-life characteristics.

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