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Reduced graphene oxide wrapped hollow molybdenum trioxide nanorod for high performance lithium-ion batteries

Reduced graphene oxide wrapped hollow molybdenum trioxide nanorod for high performance lithium-ion batteries

作     者:Chenglong Yang Xiongwu Zhong Yu Jiang Yan Yu 

作者机构:Key Laboratory of Materials for Energy ConversionChinese Academy of SciencesDepartment of Chemistry and Materials ScienceUniversity of Science andTechnology of ChinaHefei 230026China State Key Laboratory of Fire ScienceUniversity of Science and Technology of ChinaHefei 230026China 

出 版 物:《Chinese Chemical Letters》 (中国化学快报(英文版))

年 卷 期:2017年第28卷第12期

页      面:2231-2234页

核心收录:

学科分类:081702[工学-化学工艺] 0808[工学-电气工程] 08[工学] 0817[工学-化学工程与技术] 

基  金:financially supported by the National Key R&D Program of China(No.2016YFB0100305) the National Natural Science Foundation of China(Nos.21373195,51622210) the Fundamental Research Funds for the Central Universities(No.WK3430000004) the Collaborative Innovation Center of Suzhou Nano Science and Technology 

主  题:Lithium ion batteriesAnodeMoO3rGOhigh performance 

摘      要:Reduced graphene oxide wrapped hollow molybdenum trioxide nanorods (MoO3@rGO) have been fabricated by a facile process. The MoO3@rCO shows improved lithium storage performance. It could deliver a high reversible capacity (842 mAh/g at 0.1 A/g), excellent cycling stability (778 mAh/g at 0.1 A/g after 200 cycles) and excellent rate capability (455 mAh/g at 2A/g). The excellent electrochemical performance could be attributed as the special core (MoO3)/sheath (rCO) structure, which could accommodate the volume change of MoO3 during lithiation/delithiation process. In addition, the rGO coating layer could improve the electronic conductivity of MOO3.

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