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化学工业与工程 2014, Vol. 31 Issue (3) :2-12    DOI: 10.13353/j.issn.1004.9533.2014.03.001
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取向型LiFePO4材料合成的研究进展
陈明鸣1, 2, 马倩倩1, 2, 王成扬1, 2, 陈松1
(1天津大学化工学院 绿色合成与转换教育部重点实验室,天津 300072;2天津化学化工协同创新中心,天津 300072)
Progress in Controllable Synthesis of Oriented LiFePO4 Crystals
 CHEN  Ming-Ming1, 2 , MA  Qian-Qian1, 2 , WANG  Cheng-Yang1, 2 , CHEN  Song1
(1Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; 2Synergetic Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, China)

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摘要 近年来的理论与实验研究证实了在锂电正极材料LiFePO4的充/放电过程中,Li+的脱/嵌沿[010]方向进行一维扩散。基于此,具有短b轴且优先沿ac面取向生长的LiFePO4在晶体结构上有利于缩短Li+的固相扩散长度,进而提高Li+扩散速率,使Li+的脱/嵌变得更容易。综述了近年来可控合成具有此种晶体结构的取向型LiFePO4的研究进展。
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陈明鸣1
2
马倩倩1
2
王成扬1
2
陈松1
关键词锂离子电池;   磷酸铁锂;   晶体取向;   电化学性能     
Abstract: During a charge/discharge cycle of LiFePO4 as a cathode material of a lithiumion battery, lithium moves following a curved onedimensional chain and its distribution along the [010] direction was clearly visualized by both theoretical calculations and experimental confirmations. Thus LiFePO4 with short b-axis lengths and crystal orientation along the ac facet will facilitate the Li-ion diffusion by reducing the diffusion length inside the crystals. In this paper, controllable synthesis methods for such oriented LiFePO4 have been summarized.
Keywordslithium-ion batteries;   LiFePO4;   crystal orientation;   electrochemical properties     
Received 2014-02-20;
Fund:

国家863项目(2014AA052300)。

Corresponding Authors: 陈明鸣,电话:(022)27890481,E-mail:chmm@tju.edu.cn。     Email: chmm@tju.edu.cn
About author: 陈明鸣(1971-),女,副教授,主要开展储能材料方面的研究。
引用本文:   
陈明鸣, 马倩倩, 王成扬, 陈松.取向型LiFePO4材料合成的研究进展[J].  化学工业与工程, 2014,31(3): 2-12
CHEN Ming-Ming , MA Qian-Qian , WANG Cheng-Yang , CHEN Song.Progress in Controllable Synthesis of Oriented LiFePO4 Crystals[J].  Chemcial Industry and Engineering, 2014,31(3): 2-12
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