材料科学
碳纳米管
复合数
电极
锂(药物)
热稳定性
复合材料
电化学
化学工程
锂硫电池
纳米技术
电池(电)
阳极
多硫化物
硫黄
纳米复合材料
集电器
阴极
电解质
储能
碳纤维
冶金
化学
物理化学
内分泌学
工程类
医学
作者
Amarsingh Bhabu Kanagaraj,Prerna Chaturvedi,Yeonho Kim,Daniel S. Choi
标识
DOI:10.1016/j.matlet.2021.130900
摘要
Different weight ratios of sulfur (S) and multi-walled carbon nanotubes (MWCNTs)-based composite electrodes were prepared and studied for lithium-sulfur (Li-S) batteries. The morphological, microstructural, thermal and electrochemical properties of the composite electrodes were analyzed. TG curves indicated high thermal stability, which confirmed the strong bonding between sulfur and carbon host. It was found from electrochemical studies that the equal weight ratio of S and MWCNT (S2) composite electrode led to high electrochemical performances compared to other composite electrodes. It delivered an initial discharge capacity of 1414 mAh/g at 0.1C and also even at high current density, i.e., 413 mAh/g at 3C. Moreover, it achieved high capacity retention of 67% at 0.1C on the 100th cycle.
科研通智能强力驱动
Strongly Powered by AbleSci AI