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电化学  2010 

空心碳半球锂离子电池负极的高倍率性能研究

, PP. 145-150

Keywords: 空心碳半球,负极材料,高倍率充放电,电极寿命

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Abstract:

以聚苯乙烯球为模板,通过水热法包裹硬碳层,又用微波法迅速引发聚苯乙烯核裂解的两步反应,制备了高比表面的空心碳半球.采用扫描电镜和透射电镜观察材料形貌,并测试该负极的电化学性能.在高倍率充放电条件下,与石墨、中间相碳微球电极相比,空心碳半球显现出了更高的容量和优异的寿命.

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