Structure and Electrochemical Properties of Spherical 0.3Li2MnO3•0.7Li(Ni1/3Co1/3Mn1/3)O2 Cathode Materials

Guang Xin Fan; Shu Pu Dai; Hui Lian Li; Chuan Xiang Zhang; Yong Jun Xu; Zheng Zhong Yin; Zhao Rong Chang

doi:10.4028/www.scientific.net/AMR.472-475.1800

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 472-475Structure and Electrochemical Properties of...

Structure and Electrochemical Properties of Spherical 0.3Li₂MnO₃•0.7Li(Ni_1/3Co_1/3Mn_1/3)O₂ Cathode Materials

Abstract:

Spherical 0.3LiMn2O3•0.7Li(Ni1/3Co1/3Mn1/3)O2 cathode was synthesized by co-precipitation method followed by calcining at various temperatures (700-950 oC). The structures of the samples were investigated by XRD, SEM, BET and electrochemical method. The results showed that the cathode prepared at 700 oC had the highest discharge capacity of 220.8 mAhg-1 and a satisfactory cycling performance in this study. After 25 cycles, its discharge capacity was still retained as high as 199.6 mAhg-1, which is benefited from the special sphercial microsturcture.

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Advanced Manufacturing Technology, ICMSE 2012

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Periodical:

Advanced Materials Research (Volumes 472-475)

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1800-1803

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.472-475.1800

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Online since:

February 2012

Authors:

Guang Xin Fan, Shu Pu Dai, Hui Lian Li, Chuan Xiang Zhang, Yong Jun Xu, Zheng Zhong Yin, Zhao Rong Chang

Keywords:

0.3Li₂MnO₃·0.7LiNi_1/3Co_1/3Mn_1/3O₂, Cathode, Lithium-Ion Battery, Spherical Particle., Structure

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