期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 44, 页码 30133-30142出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b09594
关键词
Fe2O3/RGO/Fe3O4; Fe foil; graphene oxide; hydrothermal process; supercapacitor
资金
- Shanghai Natural Science Foundation [13ZR1411900]
- Shanghai Key Laboratory Project [08DZ2230500]
A Fe2O3/reduced graphene oxide (RGO)/Fe3O4 nanocomposite in situ grown on Fe foil was synthesized via a simple one-step hydrothermal growth process, where the iron foil served as support, reductant of graphene oxide, Fe source of Fe3O4, and also the current collector of the electrode. When it directly acted as the electrode of a supercapacitor, as synthesized Fe2O3/RGO/Fe3O4@Fe exhibited excellent electrochemical performance with a high capability of 337.5 mF/cm(2) at 20 mA/cm(2) and a superior cyclability with 2.3% capacity loss from the 600th to the 2000th cycle.
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