Revisiting the Role of Polysulfides in Lithium-Sulfur Batteries

被引:542
|
作者
Li, Gaoran [1 ,2 ]
Wang, Shun [1 ]
Zhang, Yining [2 ]
Li, Matthew [2 ]
Chen, Zhongwei [2 ]
Lu, Jun [3 ]
机构
[1] Wenzhou Univ, Nanomat & Chem Key Lab, Wenzhou 325027, Peoples R China
[2] Univ Waterloo, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada
[3] Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA
基金
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词
energy density; lithium-sulfur batteries; polysulfide management; polysulfides; HIGH-ENERGY-DENSITY; LI-S BATTERIES; SPARINGLY SOLVATING ELECTROLYTES; PARTIALLY FLUORINATED ETHER; HIGH-PERFORMANCE; METAL ANODE; CONDUCTIVE POLYMER; CATHODE MATERIAL; LIQUID ELECTROLYTE; ELEMENTAL-SULFUR;
D O I
10.1002/adma.201705590
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Intermediate polysulfides (S-n, where n = 2-8) play a critical role in both mechanistic understanding and performance improvement of lithium-sulfur batteries. The rational management of polysulfides is of profound significance for high-efficiency sulfur electrochemistry. Here, the key roles of polysulfides are discussed, with regard to their status, behavior, and their correspondingimpact on the lithium-sulfur system. Two schools of thoughts for polysulfide management are proposed, their advantages and disadvantages are compared, and future developments are discussed.
引用
收藏
页数:19
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