Electrochemical Properties of Natural Graphite Anodes in Room Temperature Ionic Liquid Electrolyte

Chem. J. Chinese Universities

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Electrochemical Properties of Natural Graphite Anodes in Room Temperature Ionic Liquid Electrolyte

ZHENG Hong-He¹, QU Qun-Ting¹, ZHOU Ke-Lei¹, WANG Jian-Ji¹, Abe Tekeshi², Ogumi Zempachi²

1. College of Chemical and Environmental Science, Henan Normal University, Xinxiang 453007, China;
2. Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan

Received:2006-01-03 Revised:1900-01-01 Online:2006-12-10 Published:2006-12-10
Contact: ZHENG Hong-He

Abstract

Abstract: Electrochemical properties of a natural graphite anode in ionic liquid and organic electrolytes was comparatively investigated. The results reveal that the organic cation reversibly inserted into and deinserted from graphene interlayer. The addition of chloroethylenene carbonate(Cl-EC) resulted in significant electrochemical enhancement. The mechanisms responsible for the electrochemical enhancement were discussed through ac impedance, SEM, and FTIR measurements.

Key words: Lithium ion battery, Ionic liquid, Natural graphite, Electrolyte

CLC Number:

O645
TM912

TrendMD:

ZHENG Hong-He¹, QU Qun-Ting¹, ZHOU Ke-Lei¹, WANG Jian-Ji¹, Abe Tekeshi², Ogumi Zempachi². Electrochemical Properties of Natural Graphite Anodes in Room Temperature Ionic Liquid Electrolyte[J]. Chem. J. Chinese Universities, doi: .

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Electrochemical Properties of Natural Graphite Anodes in Room Temperature Ionic Liquid Electrolyte

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