Synthesis and Performance of LiCo1/3Mn1/3Ni1/3O2 Cathode Material for Lithiumion Battery

Abstract The LiCo_1/3Mn_1/3Ni_1/3O₂ cathode materials for lithiumion batteries were synthesized by mechanical activationhigh temperature solidstate method.The effect of reaction conditions（n(Li）/n(M）and ball milling effects）on the structure of the products was investigated.The products were analyzed by Xray diffraction spectroscopy（XRD），scanning electron microscopy（SEM）and electrochemical tests.Under optimum condition the materials LiCo_1/3Mn_1/3Ni_1/3O₂ cathode had good cyclic performance.The initial discharge capacity was 160 mA·h/g at a current density of 20 mA/g between 2.7—4.5 V and the discharge capacity retention was 9698% after 30 cycles.

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	LIU Huan
	LI Yong-Mei
	YAO Yao-Chun
	WEI Qin-Shuai
	DAI Yong-Nian
	FAN Yan-Min

Keywords： Liion battery cathode material LiCo_1/3Mn_1/3Ni_1/3O₂ mechanical activationhigh temperature solidstate method electrochemical behavior

Received 2011-09-06;

Fund:

国家自然科学基金（51002067）和云南省自然科学基金（200927049）项目资助。

About author: 刘环(1986-)，女，山东菏泽人，硕士研究生，现从事材料制备方面的研究。

Cite this article:

LIU Huan, LI Yong-Mei, YAO Yao-Chun, WEI Qin-Shuai, DAI Yong-Nian, FAN Yan-Min.Synthesis and Performance of LiCo_1/3Mn_1/3Ni_1/3O₂ Cathode Material for Lithiumion Battery[J] Chemcial Industry and Engineering, 2012,V29(01): 7-11