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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Effect of Zinc on Rate Capability of LiNi1/3Co1/3Mn1/3O2 Cathode Material for Li-Ion Battery
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1890-1893)
Author(s): Xiao-jing Zhou, College of Material Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
Tian-cai Chen, College of Material Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
Jian-hua Wang, College of Material Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
Yu-zhong Guo, College of Material Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
Yu Wang, College of Material Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
Abstract: LiNi1/3Co1/3Mn1/3O2 cathode materials which containing zinc were synthesized by co-precipitation method. Results of XRD and electrochemical analysis indicate: No second phase has been observed as the amount of zinc in material less than 1%; specific discharge capacities of material containing zinc were less than bare Li(Ni1/3Co1/3Mn1/3)O2 at lower discharge rate (0.2C and 1C), but rate capability and cycling performance were improved by introducing of zinc into material. Discharge at 5C for 50 cycles, the capacity retention was 92.9% for material containing 1% zinc, which was higher than bare material (84.3%).
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