期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 5, 期 11, 页码 5342-5350出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta10327h
关键词
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资金
- National Natural Science Foundation of China [21471006, 21271009]
- Programs for Science and Technology Development of Anhui Province [1501021019]
- Program for Innovative Research Team of Anhui Education Committee
- Program for Talents Team of University in Anhui Province
A mesoporous bowknot-like Co3O4 material has been synthesized through a facile hydrothermal method, using cobalt nitrate as the cobalt source, urea as the precipitator and gelatin as the guide agent, followed by calcination at 600 degrees C in air. Morphology characterization reveals that this bowknot-like Co3O4 material possesses a mesoporous structure consisting of nanoparticles. Electrochemical experiments illustrate that the mesoporous bowknot-like Co3O4 anode material exhibits a superior first and 100th reversible specific capacity of 1427.9 mA h g(-1) and 1388.8 mA h g(-1) at 0.2C, respectively. This material also delivers a high charge capacity of 751.3 mA h g(-1) after 150 cycles at 2C. The novel preparation method and satisfactory performance make the bowknot-like Co3O4 a good candidate as a high-performance anode material for use in Lithium-Ion Batteries (LIBs).
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