作者
Seok Kim, Yongju Jung, Soo-Jin Park
发表日期
2005
期刊
J. Power Sources
卷号
152
页码范围
272
简介
In this study, lithium–sulfur (Li–S) cells using mixed imidazolium salts and lithium salts for the electrolytes are investigated as a means to improve discharge performance and cycle-life characteristics. By introducing 5 or 10vol.% of imidazolium salt into the electrolytes containing lithium salts, the Li–S cells give a greatly enhanced discharge capacity of >600mAhg−1 up to the 100th charge–discharge cycle. Furthermore, both the discharge capacity and the average discharge voltage at a high discharge rate, as well as the low-temperature performance, are all dramatically improved when compared with those of conventional cells using organic electrolyte solvents and lithium salts.
引用总数
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S Kim, Y Jung, SJ Park - Journal of power sources, 2005