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电化学  2012 

锂空气电池空气电极LiCoO2电催化性能研究

, PP. 14-17

Keywords: 锂空气电池,LiCoO2催化剂,催化效应

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Abstract:

自设计建立锂空气电池实验装置,研究以掺入LiCoO2做为电催化剂的空气正极的电化学性能及其放电前后催化剂结构的变化.循环伏安、XRD、及充放电测试等表明,LiCoO2能够很大程度地改善空气电极的放电性能.尤其是在放电前,将掺有LiCoO2的空气正极充电至4.1V,此时LiCoO2的Co元素呈现较高的价态(Co3+/Co4+),催化作用因此更加显著.

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