MWNT/C/Mg1.03Mn0.97SiO4 hierarchical nanostructure for superior reversible magnesium ion storage

被引:57
作者
NuLi, Yanna [1 ,2 ]
Zheng, Yupei [1 ,2 ]
Wang, Fei [1 ,2 ]
Yang, Jun [1 ,2 ]
Minett, Andrew I. [3 ]
Wang, Jiulin [1 ,2 ]
Chen, Jun [4 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Chem Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Hirano Inst Mat Innovat, Shanghai 200240, Peoples R China
[3] Univ Sydney, Sch Chem & Biomol Engn, Lab Sustainable Technol, Sydney, NSW 2006, Australia
[4] Univ Wollongong, Australian Inst Innovat Mat, ARC Ctr Excellence Electromat Sci, Intelligent Polymer Res Inst, Wollongong, NSW 2522, Australia
基金
澳大利亚研究理事会; 中国国家自然科学基金;
关键词
Hierarchical nanostructure; Electrochemical intercalation; Rechargeable magnesium batteries; Cathode; ELECTROCHEMICAL INTERCALATION; CARBON NANOTUBES; ELECTRODES; BATTERIES; CATHODE;
D O I
10.1016/j.elecom.2011.07.020
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
We first design and synthesize a MWNT/C/Mg1.03Mn0.97SiO4 hierarchical nanostructure composed of MWNTs pinning the surface of the Mg1.03Mn0.97SiO4 nanoparticles, with simultaneous tethering to Mg1.03Mn0.97SiO4 particles via an interfacial amorphous carbon phase bonding, through a facile CVD method. It is further demonstrated that the nanocomposite exhibits a reversible capacity as high as 300 mAh g(-1) at 0.2 C and a stable cycling performance at 0.5 C when utilized as a cathode material for rechargeable magnesium batteries. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:1143 / 1146
页数:4
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