MoS2 nanosheet arrays supported on hierarchical porous carbon with enhanced lithium storage properties

被引：23
作者：
Guo, Zhi-Yan [1 ]
Zhong, Yang [1 ]
Liu, Yu [1 ]
Mao, Chang-Ming [1 ]
Li, Gui-Cun [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2017年 / 28卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Molybdenum disulfide; Hydrothermal; Nitrogen-doped porous carbon; Anode material; Lithium-ion batteries; FEW-LAYER MOS2; ION BATTERIES; PERFORMANCE; NANOPARTICLES; GROWTH;
D O I：
10.1016/j.cclet.2016.10.007
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
MoS2 nanosheet arrays supported on hierarchical nitrogen-doped porous carbon (MoS2@C) have been synthesized by a facile hydrothermal approach combined with high-temperature calcination. The hierarchical nitrogen-doped porous carbon can serve as three-dimensional conductive frameworks to improve the electronic transport of semiconducting MoS2. When evaluated as anode material for lithium-ion batteries, the MoS2@C exhibit enhanced electrochemical performances compared with pure MoS2 nanosheets, including high capacity (1305.5 mA h g(-1) at 100 mAg(-1)), excellent rate capability (438.4 mA hg(-1) at 1000 mA g(-1)). The reasons for the improved electrochemical performances are explored in terms of the high electronic conductivity and the facilitation of lithium ion transport arising from the hierarchical structures of MoS2@C. (C) 2016 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：743 / 747
页数：5
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