锂离子电池正极材料LiFePO_4的研究进展.pdf

综 述 锂离子电池正极材料LiFePO4 的研究进展 朱广燕，陈效华，翟丽娟，秦兆东，刘志远 (奇瑞汽车股份有限公司 中央研究院，安徽芜湖241006) 摘要：橄榄石型LiFePO 正极材料具有原料来源丰富、无毒、环境友好、理论容量较高、热稳定性和循环性能好等特点， 4 是近年来迅速发展起来的一种锂离子电池的正极材料。综述了新型锂离子电池正极材料LiFePO 的研究进展，重点阐 4 述了LiFePO 材料的结构、制备方法、改性研究，并对发展方向进行了展望。 4 LiFePO 关键词：锂离子电池；正极材料； 4 TM 912.9 A 1002- 087 X(2010)11- 1201- 05 中图分类号： 文献标识码： 文章编号： Research progress of LiFePO4 cathode material for lithium-ion batteries ZHU Guang-yan, CHEN Xiao-hua, ZHAI Li-juan, QIN Zhao-dong, LIU Zhi-yuan (Central Research Institute, Chery Automobile Co. LTD., Wuhu Anhui 24 1006,China) Abstract: Olivine LiFePO4 has the potential to be a new kind of cathode material for lithium- ion battery due to its abundant resources, non- toxicity,environmental benign, high theoretical capacity, good thermal stability and excellent cycling performance. The research progress in new cathode material LiFePO4 for lithium- ion batteries was reviewed. The structure, the methods of synthesis and the modification research were expatiated in particular. The prospects of LiFePO for lithium ion batteries are predicted. 4 Key words: lithium- ion batteries; cathode material; LiFePO 4 Li+ Li+ 锂离子电池自商品化以来，正极材料始终是电池领域的 提供有限的通道，使得室温下 在其中的迁移速率很小。