One-pot hydrothermal synthesized MoO2 with high reversible capacity for anode application in lithium ion battery

被引：79

作者：

Liu, Yulong ^{[1
]}

Zhang, Hong ^{[1
]}

Ouyang, Pan ^{[1
]}

Li, Zhicheng ^{[1
,2
]}

机构：

[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China

[2] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2013年 / 102卷

关键词：

Molybdenum dioxide; Lithium ion battery; Anode material; Lithium ion uptake/removal mechanism; HIGH-PERFORMANCE; ELECTROCHEMICAL REACTIVITY; ELECTRODE; CHALLENGES; CAPABILITY;

D O I：

10.1016/j.electacta.2013.03.195

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A facile and template-free one-pot strategy is applied to synthesize MoO2 nanostructured particles via a hydrothermal methodology. Characterizations include X-ray diffraction, scanning electron microscopy, transmission electron microscopy and Brunauer-Emmett-Teller surface area, X-ray photoelectron spectroscopy, Raman scattering spectroscopy, cyclic voltammetry and galvanostatic cycling. The as-annealed MoO2 nanostructured particles exhibit interconnecting and carbon-free features. Due to the unique nanostructure, the MoO2 electrode has a high specific capacity of 824 mAh g(-1) at C/10 and high reversible capacity of 760 mAh g(-1) after 30 cycles as anode for lithium storage performance. The interconnected MoO2 nanostructured particles also exhibit an excellent rate performance. Microstructure investigations of the MoO2-based electrode after full-lithiation are performed to elucidate the lithium ion uptake/removal mechanism, which can help us understand the unique cycling behavior of MoO2 material. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：429 / 435

页数：7

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