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Electrochemical Characteristic of SEI in Secondary Lithium Batteries
Author(s): 
Pages: 307-312
Year: Issue:  2
Journal: JOURNAL OF INORGANIC MATERIALS

Keyword:  SEI膜电化学性能碳负极锂离子电池;
Abstract: 在指定组成的有机电解液中,选择三类可电化学嵌脱锂的碳材料:中间相碳微球、多孔碳和人造石墨,研究其表面形成的固体电解质中间相膜(SEI)的电化学性能.初始的充放电循环中在碳材料的表面会形成SEI膜,其形成与碳材料的结构和比表面积有关,并造成碳电极在首次充放电循环时的不可逆容量;稳定的SEI膜一旦形成,在随后的充放电循环中将对电极的循环稳定性产生积极作用.
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