Novel plasma-engineered MoS2 nanosheets for superior lithium-ion batteries

被引：52

作者：

Liu, Yanyan ^{[1
]}

Zhang, Long ^{[1
]}

Zhao, Yuanchun ^{[1
]}

Shen, Tongde ^{[1
]}

Yan, Xinlin ^{[2
]}

Yu, Chuang ^{[3
]}

Wang, Hongqiang ^{[4
]}

Zeng, Hong ^{[5
]}

机构：

[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China

[2] Vienna Univ Technol, Inst Solid State Phys, Wiedner Hauptstr 8-10, A-1040 Vienna, Austria

[3] Delft Univ Technol, Dept Radiat Sci & Technol, Mekelweg 15, NL-2629 JB Delft, Netherlands

[4] Hebei Univ, Coll Chem & Environm Sci, Baoding 071000, Hebei, Peoples R China

[5] China Iron & Steel Res Inst Grp, Advance Technol & Mat Co Ltd, Beijing Key Lab Energy Nanomat, Beijing 100081, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 787卷

关键词：

MoS2; Oxygen plasma; O doping; Imperfections; Lithium-ion batteries; HYDROGEN EVOLUTION; MOLYBDENUM-DISULFIDE; ULTRATHIN NANOSHEETS; EFFICIENT ELECTROCATALYST; GRAPHENE OXIDE; ANODE MATERIAL; LAYER MOS2; CARBON; PERFORMANCE; BONDS;

D O I：

10.1016/j.jallcom.2019.02.156

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

It is a highly relevant topic concerning how to improve the electrochemical performance of anode materials for the next generation lithium-ion batteries (LIBs). Herein, for the first time, we report a facile and controllable approach to modify MoS2 nanosheets, a typical 2D material, as an anode material for advanced LIBs via oxygen plasma engineering. An oxygen plasma treatment not only generates vacancies/defects but also incorporates heteroatom doping to form Mo-O-C bonds. This unique hybrid specialty enables the oxygen-plasma-treated MoS2 to achieve superior electrochemical performance with high reversible capacities, a long-term cycle life, and good rate capabilities. The plasma-assisted modification is believed to be applicable for other 2D materials as an efficient anode for energy storages. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：996 / 1003

页数：8

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