Fe2O3/Reduced Graphene Oxide/Fe3O4 Composite in Situ Grown on Fe Foil for High-Performance Supercapacitors

Chongjun Zhao; Xiaoxiao Shao; Yuxiao Zhang; Xiuzhen Qian

doi:10.1021/acsami.6b09594

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Fe₂O₃/Reduced Graphene Oxide/Fe₃O₄ Composite in Situ Grown on Fe Foil for High-Performance Supercapacitors

Chongjun Zhao Xiaoxiao Shao Yuxiao Zhang Xiuzhen Qian

Year: 2016 Journal: ACS Applied Materials & Interfaces Vol: 8 (44)Pages: 30133-30142 Publisher: American Chemical Society

DOI: 10.1021/acsami.6b09594

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Abstract

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/cm² at 20 mA/cm² and a superior cyclability with 2.3% capacity loss from the 600th to the 2000th cycle.

Keywords:

Materials science Graphene FOIL method Supercapacitor Oxide Nanocomposite Electrode Composite number Electrochemistry Hydrothermal circulation In situ Chemical engineering Hydrothermal synthesis Graphene foam Graphene oxide paper Nanotechnology Composite material Metallurgy

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Supercapacitor Materials and Fabrication

Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials

Advancements in Battery Materials

Physical Sciences → Engineering → Electrical and Electronic Engineering

Nanomaterials for catalytic reactions

Physical Sciences → Chemistry → Organic Chemistry

Fe₂O₃/Reduced Graphene Oxide/Fe₃O₄ Composite in Situ Grown on Fe Foil for High-Performance Supercapacitors

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