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橄榄石型锂离子电池正极材料LiFePO_4的研究 被引量：5

Study of Olivine LiFePO_4 Cathode Material For Lithium-ion Battery
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摘要 LiFePO4是最近几年被广泛报道的一种新型锂离子电池正极材料.它具有较高的能量密度、优良的循环性能,资源丰富,安全性能好、对环境友好等许多优点,而且理论容量高达170mAh/g.但也存在电子导电率和锂离子扩散速度低等缺点,需要进一步的改进.本文概述了LiFePO4的结构、充放电机理、合成方法、以及其优缺点、如何改性等方面,介绍了这种新型的锂离子电池正极材料的目前研究概况. Olivine LiFePO4 is a new kind of cathode material for lithium-ion battery. LiFePO4 is one of the most promising cathode materials because it is abundant and inexpensive, non-toxic and environmentally friend- ly, stable and safe. It has high energy density and the theoretical specific capacity of 170 mAtb/g. The main problem of LiFePO4 is low electronic conductivity and low lithium ion diffusivity. The intrinsic defects limited its application in industry. Detailed description is made of the performance, the structure, preparation method, and the doping modification of LiFePO4. The promising future application of LiFePQ lithium-ion battery cathode ma- terial is also pointed out.
作者 郭文彦 王恩通 任引哲
机构地区 山西师范大学化学与材料科学学院
出处 《山西师范大学学报（自然科学版）》 2007年第3期62-66,共5页 Journal of Shanxi Normal University(Natural Science Edition)
基金 山西省自然科学基金(20031020) 2006年山西高校科技研究开发项目
关键词 锂离子电池 正极材料 磷酸铁锂 lithium-ion battery cathode material LiFePO4
分类号 O611.6 [理学—无机化学]
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参考文献21

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二级参考文献20

  • 1Padhi A K, Nanjundaswamy K S, Goodenough J B. Phospho-olivines as positive-electrode materials for rechargeable lithium battery[J].J Electrochem Soc, 1997,144(4): 1 188.
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  • 10Croce, F.; D'Epifanio, A.; Hassoun, J.; Deptula, A.; Olczac,T.; Scrosati, B. Electrochem. and Solid State Lett., 2002, 5(3): A47

共引文献66

同被引文献50

引证文献5

二级引证文献9

山西师范大学学报（自然科学版）
2007年 第3期

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