Electrochemical Performance of the Exfoliated Graphite Containing Sulfur Cathode Material for Lithium Sulfur Battery

Authors

Ke-guo YUAN, Institute of Chemical Defense,Beijing 100191,China;
Wei-kun WANG, Institute of Chemical Defense,Beijing 100191,China;
Zhong-bao YU, Institute of Chemical Defense,Beijing 100191,China;
An-bang WANG, Institute of Chemical Defense,Beijing 100191,China;

Abstract

The exfoliated graphite containing sulfur cathode material was prepared by the high temperature sulfur gas diffusion adsorption method.This cathode material could obtain an initial discharge specific capacity 972 mAh·g-1,capacity retention ratio 78% and cycling efficiency above 80%,respectively.The exfoliated graphite containing sulfur cathode could decrease the reaction interphase charge transfer impedance,and restrain the sulfur or polysulfide shuttle phenomenon during the charge-discharge process through improving the diffusion impedance.

Keywords

lithium sulfur battery, cathode material, exfoliated graphite containing sulfur, sulfur, electrochemical performance

DOI Link

https://doi.org/10.61558/2993-074X.1980

Publication Date

2009-05-28

Online Available Date

2009-05-28

Revised Date

2009-05-28

Received Date

2009-05-28

Recommended Citation

Ke-guo YUAN, Wei-kun WANG, Zhong-bao YU, An-bang WANG. Electrochemical Performance of the Exfoliated Graphite Containing Sulfur Cathode Material for Lithium Sulfur Battery[J]. Journal of Electrochemistry, 2009 , 15(2): 202-205.
DOI: 10.61558/2993-074X.1980
Available at: https://jelectrochem.xmu.edu.cn/journal/vol15/iss2/15