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

被引：139
|
作者：
Zhao, Chongjun [1 ]
Shao, Xiaoxiao [1 ]
Zhang, Yuxiao [1 ]
Qian, Xiuzhen [1 ]
机构：
[1] East China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 44期
关键词：
Fe2O3/RGO/Fe3O4; Fe foil; graphene oxide; hydrothermal process; supercapacitor; LITHIUM-ION BATTERIES; ELECTROCHEMICAL ENERGY-STORAGE; ANODE MATERIAL; ELECTRODE MATERIALS; ASYMMETRIC SUPERCAPACITORS; NICKEL FOAM; AREAL CAPACITANCE; OXIDE COMPOSITE; NANOPARTICLES; SHEETS;
D O I：
10.1021/acsami.6b09594
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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.
引用
收藏
页码：30133 / 30142
页数：10
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