期刊
SOLID STATE SCIENCES
卷 32, 期 -, 页码 88-93出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2014.04.003
关键词
Co3O4; Nanorod; Nanobelt; Anode; Lithium ion battery
资金
- National Natural Science Foundation of China [51102041, 11104025]
- Fundamental Research Funds for the Central Universities [N120205001, N120405010]
- Program for New Century Excellent Talents in University [NCET-13-0112]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20110042120024]
Co3O4 nanorods and nanobelts can be synthesized controllably by a template-free hydrothermal method. Enhanced lithium-ion battery performances are obtained from Co3O4 nanorods and nanobelts. After 50 cycles, the reversible capacity is up to 1124 and 1260 mAh g(-1) at C/20 rate (20 h per half cycle), respectively, and the cyclability are excellent. Lithium-ion battery performance of nanobelts is much higher than that of nanorods. Such a behavior is attributed to more efficient Li insertion, less volume change and no agglomeration of nanobelts. The present results open a way for fabrication of porous 1D nanostructures and imply that porous 1D nanostructures are good candidates for high performance lithium-ion battery anodes. (C) 2014 Elsevier Masson SAS. All rights reserved.
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