二硫化钨
材料科学
阴极
电池(电)
阳极
集电器
电解质
化学工程
锂(药物)
二硫化钼
锂硫电池
碳纤维
硫黄
钨
无机化学
电极
冶金
复合材料
复合数
物理化学
功率(物理)
物理
化学
医学
量子力学
内分泌学
工程类
作者
Jungjin Park,Byeong-Chul Yu,Joong Sun Park,Jang Wook Choi,Chunjoong Kim,Yung‐Eun Sung,John B. Goodenough
标识
DOI:10.1002/aenm.201602567
摘要
The capacity limitations of insertion‐compound cathodes has motivated interest in a sulfur cathode for a rechargeable battery cell with a metallic‐lithium anode; but irreversible capacity loss owing to solubility of intermediate Li 2 S x (x = 2–8) polysulfides in the organic‐liquid electrolytes used has prevented practical application. A dual‐function cathode structure consisting of layered tungsten disulfide (WS 2 ) supported both on the cathode current collector and on a carbon cloth interlayer (CCl) gives excellent performance in a lithium half‐cell by providing strong adsorption of the soluble Li 2 S x on the WS 2 with fast access to electrons from the current collector via a blocking carbon cloth interlayer.
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