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Citation: LIU Pei-Song, LIU Xing-Quan, CHEN Zhao-Yong, YU Zuo-Long, ZHANG Bai-Lan. Preparation of Li_1+xMn₂O₄ for Lithium-ion Battery by Citric Acid Complexation Method[J]. Chinese Journal of Applied Chemistry, ;2000, 17(1): 60-62. shu

Preparation of Li_1+xMn₂O₄ for Lithium-ion Battery by Citric Acid Complexation Method

1.
Research and Developing Center of Functional Materials, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041

Received Date: 14 July 1999
Available Online: 26 October 1999
Fund Project: 国家科委和四川省科委资助项目(98-D-102) (98-D-102)

The cathode material Li_1+xMn₂O₄ was prepared by a modified citric acid complexation method. The influences of temperature, sintering time and n(Li)/n(Mn) ratio on the structure of the products have been explored, characterized and tested by XRD, TEM, BET measurements. The sample sintered at 750℃ for 12 h had greater charge/discharge capacity, better cyclic stability under electric current charge/discharge cycle. The initial capacity reached 120 mA·h/g with the charge/discharge efficieney of 98% and maintained 115 mA·h/g after 50 cycles.
- Li_1+xMn₂O₄,
- preparation,
- citric acid complexation,
- Li-ion battery
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Preparation of Li_1+xMn₂O₄ for Lithium-ion Battery by Citric Acid Complexation Method