| LiFePO4/C复合材料制备过程中碳源及碳包覆方法的研究进展 |
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| 引用本文： | 杨柳,何岗,洪建和,何明中.LiFePO4/C复合材料制备过程中碳源及碳包覆方法的研究进展[J].材料导报,2011,25(19):59-63. |
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| 作者姓名： | 杨柳 何岗 洪建和 何明中 |
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| 作者单位： | 中国地质大学(武汉)材料科学与化学工程学院,武汉,430074 |
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| 基金项目： | 国家自然科学基金(50821140308;50972135);材料复合新技术国家重点实验室(武汉理工大学)开放基金(2010-KF-6) |
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| 摘 要： | LiFePO4以其价格低廉、稳定性好、循环性能好和无毒等优点,有望成为下一代锂离子电池的正极材料,但是LiFePO4电导率低和锂离子扩散系数小限制了它的实用化。碳包覆作为一种非常有效的导电改性方法,受到极大关注。在碳包覆中采用不同的碳源和不同的碳包覆方法,对LiFePO4的电化学性能影响不同。结合国内外的研究现状,综述了LiFePO4/C复合材料制备过程中不同碳源以及不同的碳包覆方法对其电化学性能影响的研究进展。
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| 关 键 词： | LiFePO4/C 碳包覆 复合碳源 正极材料 |
Review of the Influence of Carbon Sources and Its Coating Method on the Electrochemical Performance of LiFePO4/C Composite Materials |
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| YANG Liu,HE Gang,HONG Jianhe,HE Mingzhong.Review of the Influence of Carbon Sources and Its Coating Method on the Electrochemical Performance of LiFePO4/C Composite Materials[J].Materials Review,2011,25(19):59-63. |
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| Authors: | YANG Liu HE Gang HONG Jianhe HE Mingzhong |
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| Affiliation: | (Faculty of Materials Science and Chemical Engineering,China University of Geosciences,Wuhan 430074) |
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| Abstract: | LiFePO4 is expected to be an anodic material for the new generation of lithium ion batteries because of its low material cost,high thermal stability,and satisfactory cycle stability,low toxicity.The poor electronic and ionic conductivity has limited its application in industry.Carbon coating has attracted much attentions as a very effective conductive modification.The results are different with different carbon sources and different coating methods.This article reviews the researches of the influence of carbon sources and its coating method on the electrochemical performance of LiFePO4/C composite materials. |
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| Keywords: | LiFePO4/C carbon coating composite carbon source cathode materials |
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