纳米片
材料科学
电化学
热的
纳米技术
化学工程
电极
电池(电)
电解质
物理
工程类
物理化学
气象学
化学
作者
Shengnan Guo,Hao Guo,Xueying Wang,Yongping Zhu,Ming Yang,Qing Zhang,Ying Chu,Jianyong Wang
标识
DOI:10.1016/j.matlet.2019.04.030
摘要
Abstract Cathode materials that have better thermal stability, larger specific capacity and higher conductivity can efficiently improve the electrochemical performance of the batteries. In this work, we synthesized tungsten disulfide (WS2) nanosheet and investigated its applicability as cathode material for thermal battery. The WS2 is thermally stable up to 1200 °C. The open-circuit voltage is 1.43 V versus Li-B anode. At a current density of 150 mA cm−2, the Li-B/WS2 single cell exhibits a specific capacity of 334.7 mA h g−1 with a cut-off voltage of 1.0 V. The end discharge products are proved to be W and Li2S. This work provides a beginning for further applying WS2 as a promising cathode material for long-life thermal batteries.
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