| 电解质对锂离子电池正极材料界面特性的影响 |
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| 引用本文： | 郑明森,董全峰,朱亚薇,詹亚丁,林祖赓. 电解质对锂离子电池正极材料界面特性的影响[J]. 电化学, 2006, 12(2): 223-226 |
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| 作者姓名： | 郑明森 董全峰 朱亚薇 詹亚丁 林祖赓 |
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| 作者单位： | 厦门大学化学化工学院化学系,固体表面物理化学国家重点实验室,福建,厦门,361005;厦大宝龙电池研究所,福建 厦门 361005;厦门大学化学化工学院化学系,固体表面物理化学国家重点实验室,福建,厦门,361005 |
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| 基金项目： | 国家研究发展基金;国家高技术研究发展计划(863计划);福建省厦门市科技计划项目 |
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| 摘 要： | 研究L iPF6、L iC lO4和L iBF43种电解质对L iCoO2材料界面特性的影响.结果表明:化成后的L iCoO2表面存在固态电解质膜(SEI膜);在不同成分的电解液中,L iCoO2表面SEI膜的形成电位、形貌特征以及材料的可逆容量、平均放电电压和电化学反应阻抗不同.
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| 关 键 词： | 锂离子电池 电解质 SEI膜 |
| 文章编号： | 1006-3471（2006）02-0223-04 |
| 收稿时间： | 2006-01-22 |
| 修稿时间： | 2006-01-22 |
Effects of Eelectrolyte Salt to the SEI Layer of LiCoO2 Material |
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| ZHENG Ming-sen,DONG Quan-feng,ZHU Ya-wei,ZHAN Ya-ding,LIN Zu-geng. Effects of Eelectrolyte Salt to the SEI Layer of LiCoO2 Material[J]. Electrochemistry, 2006, 12(2): 223-226 |
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| Authors: | ZHENG Ming-sen DONG Quan-feng ZHU Ya-wei ZHAN Ya-ding LIN Zu-geng |
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| Affiliation: | 1. Department of Chemistry and The state Key Laboratory for Physical Chemistry of Solid Surface, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, Fujian, China; 2. Xiamen Univ-PowerLong Battery Institute, Xiamen Fujian 361005, Fujian, China |
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| Abstract: | The character of the solid electrolyte interface(SEI layer) on the surface of LiCoO_(2) formed in the electrolytes contained different salt such as LiPF_(6)、LiClO_(4) and LiBF_(4) were studied in this paper.The results showed that the SEI film exists in all three electrolytes after the processes of charge and discharge.The morphological character and the formation voltage of the SEI layer of LiCoO_(2) were different in different electrolytes.The electrochemical performance of the battery such as reversible capacity,average discharge voltage and electrochemical impedance were affected significantly by SEI film formed in different electrolytes. |
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| Keywords: | Lithium ion battery Electrolyte salt SEI film |
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