Chloro-propylene sulfite as electrolyte additive for Li/S batteries

被引：0
|
作者：
Xu, GX [1 ]
Lu, Q [1 ]
Wen, L [1 ]
He, P [1 ]
机构：
[1] Peking Univ, Dept Appl Chem, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2006年 / 17卷 / 04期
关键词：
chloro-propylene sulfite; Li/S battery; additive; self-discharge; capacity; cycle;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Chloro-propylene sulfite (CIPS) was employed as electrolyte additive of Li/S batteries for the first time. Linear potential sweep test showed that the CIPS keeps high electrochemical stability even under the voltage of 5.0V. Being used as electrolyte additive in Li/S batteries, CIPS displayed an excellent property for self-discharge prohibition. With CIPS additive the Li/S cells' initial discharge capacity was 856.2 mAh(.)g(-1) and 830.8 mAh(.)g(-1) at the current density of 15 mA(.)g(-1) and 30 mA(.)g(-1) after 30 cycles the discharge capacities were contained at as high as 753.8 mAh(.)g(-1) and 715.6 mAh(.)g(-1). By means of infrared spectra, TG/DTA experiment and element content analysis the speculated reason of CIPS's novel function as additive was proposed.
引用
收藏
页码：557 / 560
页数：4
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