A study on the electrochemical properties of PEO-carbon composite polymer electrolytes for lithium/sulfur battery

被引：3
作者：
Choi, Young-Jin [1 ]
Kim, Sung-Hyun [1 ]
Park, Sang-Choul [1 ]
Shin, Dong-Hyun [1 ]
Kim, Dong-Hun [1 ]
Kim, Ki-Won [1 ]
机构：
[1] Gyeongsang Natl Univ, Informat Technol Res Ctr Energy Storage & Concers, Glocal Leader Dev Ctr I Cube Mat & Parts, 900 Gazwadong, Jinju 660701, Gyeongnam, South Korea
来源：
ECO-MATERIALS PROCESSING AND DESIGN VIII | 2007年 / 544-545卷
关键词：
composite polymer electrolytes; dispersant; lithium/sulfur battery;
D O I：
10.4028/www.scientific.net/MSF.544-545.945
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, we investigated ionic conductivities of the electrolytes and cycle performances of Li/S cells using the electrolyte. (PEO)(10)LiCF3SO3 composite polymer electrolyte(CPE) containing carbon powders and Brij dispersant was prepared by ball milling for 12hr. The 5wt% carbon powders having high surface area (similar to 80 m(2)/g) was added into the (PEO)(10)LiCF3SO3 electrolyte. To get a well-dispersed structure, Brij dispersant was also added into the (PEO)(10)LiCF3SO3-5wt%Carbon electrolyte. Li/CPEs/50wt%S cells showed initial discharge capacities of between 1,250 and 1,413 mAh/g-sulfur with current density of 100 mA/g-sulfur at 80 degrees C. These results led us to conclude that the dispersants added into the CPE improved the initial discharge capacities and cycle performances.
引用
收藏
页码：945 / +
页数：2
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