期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 115, 期 9, 页码 3612-3620出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp1113653
关键词
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资金
- 973 Project [2007CB613403]
- 863 Project [2007AA02Z476]
- NSFC [50802086]
- China Postdoctoral Science Foundation [20090461350]
This paper reports the synthesis of carbon-encapsulated Fe3O4, gamma-Fe2O3, and Fe nanostructures using FeOOH as a precursor and carbon nanocapsules (CNCs) as nanoreactors via controllable thermal transformation processes. The magnetic property investigation reveals that the as-synthesized Fe3O4-CNCs, gamma-Fe2O3-CNCs, and Fe-C nanostructures all exhibit ferromagnetic behavior with quite high saturation magnetizations. Moreover, the Fe3O4-CNCs with a controlled carbon coating are prepared and their comparative lithium storage properties are investigated. It is found that optimized Fe3O4-CNCs exhibit high capacity and good cycling performance.
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