A novel synthetic route for LiFePO4/C cathode materials by addition of starch for lithium-ion batteries

Shao Hua Luo Zi Long Tang Jun Biao Lu Zhong Tai Zhang

引用本文: Shao Hua Luo,  Zi Long Tang,  Jun Biao Lu,  Zhong Tai Zhang. A novel synthetic route for LiFePO4/C cathode materials by addition of starch for lithium-ion batteries[J]. Chinese Chemical Letters, 2007, 18(2): 237-240. doi: 10.1016/j.cclet.2006.12.041 shu
Citation:  Shao Hua Luo,  Zi Long Tang,  Jun Biao Lu,  Zhong Tai Zhang. A novel synthetic route for LiFePO4/C cathode materials by addition of starch for lithium-ion batteries[J]. Chinese Chemical Letters, 2007, 18(2): 237-240. doi: 10.1016/j.cclet.2006.12.041 shu

A novel synthetic route for LiFePO4/C cathode materials by addition of starch for lithium-ion batteries

  • 基金项目:

    This work was supported by the National Natural Science Foundation of China (no. 50372003,50472005) and Tsinghua University Fundamental Research Fund (no. JC2003040).

摘要: LiFePO4/Carbon composite cathode material was prepared using starch as carbon source by spray-pelleting and subsequent pyrolysis in N2. The samples were characterized by XRD, SEM, Raman, and their electrochemical performance was investigated in terms of cycling behavior. There has a special micro-morphology via the process, which is favorable to electrochemical properties.The discharge capacity of the LiFePO4/C composite was 170 mAh g-1, equal to the theoretical specific capacity at 0.1 C rate. At4 C current density, the specific capacity was about 80 mAh g-1, which can satisfy for transportation applications if having a more flat discharge flat.

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  • 收稿日期:  2006-10-10
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