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Citation: WANG Ya-Dan, WANG Jian, MU Qi-Yong, LI Yong-Wei, QI Lu. Electrochemical Performances of LiMn₂O₄-based Electrode with Water-soluble Binder[J]. Acta Physico-Chimica Sinica, ;2007, 23(0): 14-17. doi: 10.3866/PKU.WHXB2007Supp04 shu

Electrochemical Performances of LiMn₂O₄-based Electrode with Water-soluble Binder

1.
CITIC Guoan Mengguli New Energy Technology Co. Ltd., Beijing 102200, P. R. China; New Energy Materials and Technology Laboratory, Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China

Available Online: 4 January 2008

The spinel LiMn2O4 was synthesized by high temperature solid-state reaction and its structure and morphology were analyzed by XRD and SEM. A 2.5 Ah cylindrical lithium-ion battery was developed using electrodes made with water-soluble polymer binder, and its electrochemical performance was tested as well. The results showed that the synthesized LiMn2O4 material has simple spinel phase. The cell with water-binder LiMn2O4 electrode showed excellent electrochemical performance. The cathode’s specific capacity reached 95.8 mAh·g-1 at 0.5C (1C=2.5A) rate and the average discharge voltage of the cell was 3.85 V at 1C rate. The cells also have od safety performances during overcharging.
- Cathode with water-binder; LiMn2O4; Li-ion battery
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Electrochemical Performances of LiMn2O4-based Electrode with Water-soluble Binder

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通讯作者: 陈斌, bchen63@163.com

Electrochemical Performances of LiMn₂O₄-based Electrode with Water-soluble Binder