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Citation: LI Jian-Gang, TANG Zhi-Yuan, XUE Jian-Jun, WANG Zhan-Liang. Effects of Electrolyte Solutions on the Electrochemical Properties of LiCr_0.1Mn_1.9O₄ Cathode[J]. Chinese Journal of Applied Chemistry, ;2002, 19(7): 699-701. shu

Effects of Electrolyte Solutions on the Electrochemical Properties of LiCr_0.1Mn_1.9O₄ Cathode

1.
School of Chemical Engineering, Tianjin University, Tianjin 300072

Corresponding author: TANG Zhi-Yuan,
Received Date: 20 October 2001
Available Online: 26 March 2002
Fund Project: 天津市自然科学基金资助项目(990346) (990346)

The electrochemical properties of LiCr_0.1Mn_1.9O₄ as a cathode material in five electrolyte solutions, LiPF₆/EC+DEC, LiPF₆/EC+EMC, LiPF₆/EC+DME, LiPF₆/EC+DMC and LiBF₄/ EC+ DMC have been studied. The initial capacity values were very close each to other for the electrolyte solutions examined. However, the capacity fading and self-discharge data obtained from the cells with above electrolyte solutions were different in the order of LiPF₆/EC+DME > LiPF₆/EC+EMC >> LiPF₆/EC+DMC≈LiPF₆/EC+DEC≈LiBF₄/EC+DMC. Decrease of the electrochemical properties was attributed mainly to the electrolyte decompositions on the surface of the electrodes. LiPF₆/EC+DEC, LiPF₆/EC+DMC and LiBF₄/EC+DMC appeared electrolytes well compatible with LiCr_0.1Mn_1.9O₄ electrode.
- LiCr_0.1Mn_1.9O₄,
- electrolyte,
- capacity,
- charge-discharge cycle,
- self-discharge
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Effects of Electrolyte Solutions on the Electrochemical Properties of LiCr0.1Mn1.9O4 Cathode

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Effects of Electrolyte Solutions on the Electrochemical Properties of LiCr_0.1Mn_1.9O₄ Cathode