标题
作者
作者:Yang, LC (Yang, L. C.)[1,2 ]; Sun, W (Sun, W.)[1,2 ]; Zhong, ZW (Zhong, Z. W.)[3 ]; Liu, JW (Liu, J. W.)[1,2 ]; Gao, QS (Gao, Q. S.)[3 ]; Hu, RZ (Hu, R. Z.)[1,2 ]; Zhu, M (Zhu, M.)[1,2 ]
期刊信息
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文献类型:Article
摘要
Hierarchical MoO2/N-doped carbon heteronanowires (MoO2/N-C H-NWs) are synthesised by simple calcination using organic-inorganic hybrid nanowires as a precursor and self-template. In the heterostructure, MoO2 nanoparticles are not only anchored on but also embedded in the one-dimensional N-doped carbon matrix. The synergistic effect promotes the pseudocapacitance, decreases the charge transfer resistance, and buffers the volume change on the reaction of MoO2/N-C H-NWs with Li+. Therefore it endows the composite with enhanced kinetics and stability for reversible Li+ storage. At a current density of 2 A g(-1), the MoO2/N-C H-NWs deliver a reversible capacity of 700 mAh g(-1) after 400 cycles, which still remains 570 mAh g(-1) even after 1500 cycles. The high capability suggests that the MoO2/N-C H-NWs may be a promising candidate for use as anode material in high-performance lithium ion batteries. (C) 2015 Elsevier B.V. All rights reserved.
关键词
作者关键词:Molybdenum dioxide; N-doped carbon matrix; Heterostructure; Long-cycle life; Pseudocapacitive effect; Lithium-ion battery
作者信息
通讯作者地址:Zhu, M (通讯作者)
 | S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China. |
| S China Univ Technol, Guangdong Prov Key Lab Adv Energy Storage Mat, Guangzhou 510641, Guangdong, Peoples R China. |
| Jinan Univ, Dept Chem, Guangzhou 510632, Guangdong, Peoples R China. |
地址:
电子邮件地址:tqsgao@jnu.edu.cn; memzhu@scut.edu.cn
出版商
类别分类
研究方向:Chemistry; Electrochemistry; Energy & Fuels; Materials Science
Web of Science 类别:Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials Science, Multidisciplinary