文献类型：期刊文献

英文题名：Nitrogen-Doped Mesoporous Carbon-Encapsulated MoO2 Nanobelts as a High-Capacity and Stable Host for Lithium-Ion Storage

作者：Tan, Xianjun;Cui, Chuanfeng;Wu, Shiqun;Qiu, Bocheng;Wang, Lingzhi[1];Zhang, Jinlong[1]

机构：[1]East China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China; East China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China

年份：2017

卷号：12

期号：1

起止页码：36

外文期刊名：CHEMISTRY-AN ASIAN JOURNAL

收录：;EI(收录号：20165203161408);WOS:【SCI-EXPANDED(收录号:WOS:000393435200006)】；

基金：This work has been supported by National Nature Science Foundation of China (U140710223, 21237003 and 21377038), the National Basic Research Program of China (973 Program, 2013CB632403), the Science and Technology Commission of Shanghai Municipality (14ZR1410700, 14230710500 and 16JC1401400), Petro-China Innovation Foundation (2015D-5006-0402), the Fundamental Research Funds for the Central Universities.

语种：英文

外文关键词：core-shell structures; lithium-ion batteries; mesoporous N-doped carbon; molybdenum dioxide; polypyrrole

摘要：N-doped mesoporous carbon-capped MoO2 nanobelts (designated as MoO2@NC) were synthesized and applied to lithium-ion storage. Owing to the stable core-shell structural framework and conductive mesoporous carbon matrix, the as-prepared MoO2@NC shows a high specific capacity of around 700 mAhg(-1) at a current of 0.5 Ag-1, excellent cycling stability up to 100 cycles, and superior rate performance. The N-doped mesoporous carbon can greatly improve the conductivity and provide uninhibited conducting pathways for fast charge transfer and transport. Moreover, the core-shell structure improved the structural integrity, leading to a high stability during the cycling process. All of these merits make the MoO2@NC to be a suitable and promising material for lithium ion battery.