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锂离子电池正极材料LiFePO4的研究进展

Progress in Research on LiFePO4 Cathode Material in Lithium Ion Batteries

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【作者】 于逢婕杨斌易惠华胡成林

【Author】 YU Feng-jie,YANG Bin,YI Hui-hua,HU Cheng-lin(School of Materials and Metallurgical Engineering,Kunming University of Science and Technology,Kunming 650093,China)

【机构】 昆明理工大学材料与冶金工程学院

【摘要】 介绍了锂离子电池正极材料LiFePO4的结构特征和电化学过程。评述了近年来制备LiFePO4的各种方法,包括固相法,液相法(水热法、液相共沉淀法等),微波法等。橄榄石型磷酸铁锂(LiFePO4)理论比容量为170 mA.h/g,电压为3.5V(vs.Li/Li+),环境友好,成本低廉,热稳定性较好,可望成为锂离子蓄电池的新型正极材料。

【Abstract】 Structural characteristics and electrochemical processing of LiFePO4 for lithium-ion batteries cathode material were introduced,and preparation of LiFePO4 developed in recent years were reviewed including solid-phase method,liquid-phase method(hydrothermal method,liquid-state co-precipitation method and so on) and microwave method.Olivine-type lithium iron phosphate was cheap,non-toxic and friendly to environment with high theoretical capacity(170 mA·h/g),voltage of 3.5 V(vs.Li/Li+) and good stability both at room temperature and higher temperature,which could be developed as a potential cathode material for lithium-ion batteries.

  • 【文献出处】 云南化工 ,Yunnan Chemical Technology , 编辑部邮箱 ,2008年04期
  • 【分类号】TM912
  • 【被引频次】9
  • 【下载频次】639
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