| 粘结剂对石墨负极性能的影响 |
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| 引用本文： | 庄全超,魏国祯,董全峰,孙世刚.粘结剂对石墨负极性能的影响[J].电池,2009,39(3). |
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| 作者姓名： | 庄全超 魏国祯 董全峰 孙世刚 |
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| 作者单位： | 1. 中国矿业大学材料科学与工程学院,江苏,徐州,221116
2. 厦门大学化学系,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： | 国家重点基础研究发展规划(973计划)，中国矿业大学青年科技基金 |
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| 摘 要： | 研究了水溶性粘结剂F-103和油性粘结剂P(VDF-HFP)对锂离子电池石墨负极电化学性能和表面SEI膜成膜机理的影响.循环伏安的结果表明:在1 mol/L LiPF6/EC+DEC+DMC电解液中,油性粘结剂石墨负极的电化学性能较好.电化学阻抗谱的结果表明:水溶性粘结剂石墨负极和油性粘结剂石墨负极表面SEI膜的成膜电位分别为1.00～0.60 V和0.80～0.55 V.油性粘结剂石墨负极表面SEI膜的稳定性较好.
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| 关 键 词： | 石墨负极 粘结剂 SEI膜 电化学阻抗谱 |
Influence of binder on the performance of graphite anode |
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| ZHUANG Quan-chao,WEI Guo-zhen,DONG Quan-feng,SUN Shi-gang.Influence of binder on the performance of graphite anode[J].Battery Bimonthly,2009,39(3). |
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| Authors: | ZHUANG Quan-chao WEI Guo-zhen DONG Quan-feng SUN Shi-gang |
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| Affiliation: | ZHUANG Quan-chao1,WEI Guo-zhen2,DONG Quan-feng2,SUN Shi-gang2(1.School of Materials Science , Engineering,China University of Mining & Technology,Xuzhou,Jiangsu 221116,China,2.State Key Laboratory for Physical Chemistryof Solid Surfaces,Department of Chemistry,Xiamen University,Xiamen,Fujian 361005,China) |
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| Abstract: | The influences of water-soluble binder F-103 and oiliness binder P(VDF-HFP)on the electrochemical performance and the surface SEI film formation mechanisms of graphite anode for Li-ion battery were researched.The results of cyclic voltammetry showed that the graphite anode with oiliness binder had better electrochemical performance in 1 mol/L LiPF6/EC+DEC+DMC.The results of electrochemical impedance spectroscopy showed that the SEI film formation potential on graphite anode with oiliness binder and with wat... |
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| Keywords: | graphite anode binder SEI film electrochemical impedance spectroscopy |
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