The Electrocatalytic Study of LiCoO2 in Air Electrode for Lithium-air

Authors

Jun GAO, State Key Lab of Physical Chemistry of Solid Surface, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;Follow
Wei WU, State Key Lab of Physical Chemistry of Solid Surface, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Yan-Yan TIAN, State Key Lab of Physical Chemistry of Solid Surface, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Yong YANG, State Key Lab of Physical Chemistry of Solid Surface, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;

Corresponding Author

Yong YANG(yyang@xmu.edu.cn)

Abstract

The LiCoO2 has been investigated as a new electrocatalyst for air electrodes using homemade lithium-air battery. The electrochemical performance and structural changes of the LiCoO2 based composite air electrodes have been studied. The results of CV, XRD and charge-discharge tests show that the composite air electrodes composed of LiCoO2 can greatly improve the discharge performance of lithium-air batteries. In particular when the composite air electrodes are charged to 4.1 V before further discharging, the obvious catalytic effects of LiCoO2 are attributed to higher valence state of the Co element in LiCoO2, esp. at charged state.

Graphical Abstract

Keywords

lithium air batteries, LiCoO2 catalyst, catalytic effects

DOI Link

https://doi.org/10.61558/2993-074X.2873

Publication Date

2012-02-28

Online Available Date

2011-12-20

Revised Date

2011-12-09

Received Date

2011-11-28

Recommended Citation

Jun GAO, Wei WU, Yan-Yan TIAN, Yong YANG. The Electrocatalytic Study of LiCoO2 in Air Electrode for Lithium-air[J]. Journal of Electrochemistry, 2012 , 18(1): Article 2.
DOI: 10.61558/2993-074X.2873
Available at: https://jelectrochem.xmu.edu.cn/journal/vol18/iss1/2

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