| 锂离子电池正极材料LiFe(MoO_4)_2的制备及其电化学性质 |
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| 引用本文： | 陈红,陈楠,张培松,梁磊,洪源泽,杜菲,王春忠.锂离子电池正极材料LiFe(MoO_4)_2的制备及其电化学性质[J].吉林大学学报(理学版),2015,53(6):1312-1315. |
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| 作者姓名： | 陈红 陈楠 张培松 梁磊 洪源泽 杜菲 王春忠 |
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| 作者单位： | 1. 北华大学 物理学院, 吉林 吉林 132013；2. 吉林大学 物理学院, 新型电池物理与技术教育部重点实验室, 长春 130012 |
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| 摘 要： | 采用固相法合成纯相的LiFe(MoO4)2材料.利用X射线衍射(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)和超导量子干涉仪(SQUID)对其晶体结构及其磁学性质进行研究,并采用恒流充放电测试研究该材料在3.0~1.0V内的电化学性质.电化学测试表明,LiFe(MoO4)2作为正极材料具有良好的循环性能,稳定比容量为200mA·h/g,充放电效率为98.5%.
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| 关 键 词： | 锂离子电池 LiFe(MoO4)2 磁学性质 电化学性质 |
| 收稿时间： | 2015-06-15 |
Synthesis and Electrochemical Properties of LiFe(MoO4)2 as a Positive Electrode Material for Lithium Ion Batteries |
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| CHEN Hong,CHEN Nan,ZHANG Peisong,LIANG Lei,HONG Yuanze,DU Fei,WANG Chunzhong.Synthesis and Electrochemical Properties of LiFe(MoO4)2 as a Positive Electrode Material for Lithium Ion Batteries[J].Journal of Jilin University: Sci Ed,2015,53(6):1312-1315. |
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| Authors: | CHEN Hong CHEN Nan ZHANG Peisong LIANG Lei HONG Yuanze DU Fei WANG Chunzhong |
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| Institution: | 1. College of Physics, Beihua University, Jilin 132013, Jilin Province, China; 2. Key Laboratory of New Battery Physics and Technology, Ministry of Education, College of Physics, Jilin University, Changchun 130012, China |
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| Abstract: | LiFe(MoO4)2 was synthesized by solid state reactionand its structural and magnetic property were investigated by X ray diffraction (XRD)， scanning electron microscopy (SEM)， transmission electron microscopy (TEM) and superconducting quantum interference device (SQUID). Furthermore, its
electrochemical properties were tested between 3.0 V and 1.0 V. The electrochemical tests show that, as a positive electrode material, LiFe(MoO4)2 demonstrates good cycle performance with a reversible capacity of 200 mA·h/g and high coulombic efficiency of 98.5%, respectively. |
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| Keywords: | lithium ion battery LiFe(MoO4)2 magnetic property electrochemical property |
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