期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 3, 期 31, 页码 16206-16212出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta03690a
关键词
-
资金
- Research Grants Council of the Hong Kong, SAR China [CityU 122812]
A novel facile and environmentally friendly strategy was developed to prepare Fe3O4 and graphene (Fe3O4/G) nanocomposites through in situ thermal reduction of FeOOH nanorods and graphene oxide (GO) nanocomposites, in which GO serves as a structural platform to uniformly incorporate as-prepared FeOOH nanorods via mutual electrostatic interactions. In the preparation process, GO was added into a FeOOH solution by two steps which are beneficial to form well confined nanocomposites. As anode materials for lithium ion batteries, the Fe3O4/G nanocomposites exhibited significantly enhanced electrochemical performance with excellent cycling stability and a high reversible capacity of similar to 1200 mA h g(-1) at a current density of 1000 mA g(-1) after long-term testing for 1000 cycles, and a remarkable rate capability of similar to 660 mA h g(-1) at 5000 mA g(-1), thus exhibiting great potential as advanced anode materials for lithium ion batteries.
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