IMPEDANCE STUDY FOR THE INTERFACE AND WHOLE BATTERY WITH PAN-BASED POLYMER ELECTROLYTE

被引:7
|
作者
XUE, RJ
HUANG, H
MENETRIER, M
CHEN, LQ
机构
[1] Institute of Physics, Chinese Academy of Sciences, Beijing
关键词
D O I
10.1016/0378-7753(93)80185-R
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The inhomogeneity of the interface and its effect on the whole battery is especially shown and discussed in terms of impedance spectrum. The constant-phase-element impedance, Z(CPE) has been employed to analyse the inhomogeneous process. For Li/electrolyte interface, the growth of the interface layer is dominant, however, the composite cathode/electrolyte interface indicates a behaviour like in the corrosion environment on slightly cycle due to its more heterogeneity. The degradation of the electrolyte results in the big change in the interfaces and the decline of the battery property but the battery is still able to be used under limited condition.
引用
收藏
页码:431 / 438
页数:8
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