阳极
材料科学
三元运算
锑
硫化物
电化学
密度泛函理论
金属
透射电子显微镜
纳米技术
化学工程
冶金
电极
化学
物理化学
计算化学
计算机科学
程序设计语言
工程类
作者
Jae Yeol Park,Yoonsu Shim,Khoi Phuong Dao,Sang-Gil Lee,Jacob Choe,Ho Jun Lee,Yonghee Lee,Yuseon Choi,Joon Ha Chang,Seung Jo Yoo,Chi Won Ahn,Wonyoung Chang,Chan‐Woo Lee,Jong Min Yuk
出处
期刊:ACS Nano
[American Chemical Society]
日期:2021-11-09
卷期号:15 (11): 17472-17479
被引量:4
标识
DOI:10.1021/acsnano.1c03839
摘要
Binary metal sulfides have been explored as sodium storage materials owing to their high theoretical capacity and high stable cyclability. Nevertheless, their relative high charge voltage and relatively low practical capacity make them less attractive as an anode material. To resolve the problem, addition of alloying elements is considerable. Copper antimony sulfide is investigated as a representative case. In this study, we do not only perform electrochemical characterization on CuSbS2, but also investigate its nonequilibrium sodiation pathway employing in-/ex situ transmission electron microscopy, in situ X-ray diffraction, and density functional theory calculations. Our finding provides valuable insights on sodium storage into ternary metal sulfide including an alloying element.
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