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中文摘要：
研究LiPF6、LiClO4和LiBF43种电解质对LiCoO2材料界面特性的影响．结果表明：化成后的LiCoO2表面存在固态电解质膜（SEI膜）；在不同成分的电解液中，LiCoO2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．
英文摘要：
The character of the solid electrolyte interface （ SEI layer） on the surface of LiCoO2 formed in the electrolytes contained different salt such as LiPF6, LiClO4 and LiBF4 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 LiCoO2 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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