| 摘要 |
Embodiments of the invention relate to materials used in secondary batteries and the method for manufacturing the same. To address the problems of the prior art, an object of the present invention is to provide a negative electrode material for a non-aqueous Li-ion cell comprising active component particles capable of reversibly intercalating or alloying with lithium ions with a carbon coating layer containing an electronically conductive, elastic, carbon material capable of reversibly expanding and contracting to maintain electrical contact between the particles within an electrode matrix as the material is cycled electrochemically. Accordingly, several objects and advantages of embodiments of the invention include improved cycle life of high capacity active materials suitable for use in secondary batteries and the high capacity, long life cells.
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