Safer lithium–sulfur battery based on nonflammable electrolyte with sulfur composite cathode†,Chemical Communications

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Safer lithium–sulfur battery based on nonflammable electrolyte with sulfur composite cathode†
Chemical Communications ( IF 4.3 ) Pub Date : 2018-03-07 00:00:00 , DOI: 10.1039/c7cc09942h
Huijun Yang _{1,

2,

3,

4,

5} , Qinyu Li _{1,

2,

3,

4,

5} , Cheng Guo _{1,

2,

3,

4,

5} , Ahmad Naveed _{1,

2,

3,

4,

5} , Jun Yang _{1,

2,

3,

4,

5} , Yanna Nuli _{1,

2,

3,

4,

5} , Jiulin Wang _{1,

2,

3,

4,

5}

Affiliation

The Li–S batteries have been rewarded as the one of the most promising candidates due to their high energy densities. In this study, the common nonflammable solvent triethyl phosphate (TEP) is used for the first time as a co-solvent in Li–S battery. In the highly safe electrolyte system of 1 M LiBOB/TEP + FEC (7 : 3, v/v), the sulfur composite cathodes show enhanced cycling performance with a satisfactory capacity retention of 91.3% after 500 cycles at 1C.

中文翻译：

基于带有易燃电解质和硫复合阴极的更安全的锂硫电池†

Li-S电池因其高能量密度而被公认为最有前途的候选者之一。在这项研究中，常见的不可燃溶剂磷酸三乙酯（TEP）首次用作Li-S电池的助溶剂。在1 M LiBOB / TEP + FEC（7：3，v / v）的高度安全的电解液系统中，硫复合阴极显示出增强的循环性能，在1C下500次循环后，其容量保持率达到了令人满意的91.3％。

更新日期：2018-03-07

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