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The cover picture shows the structure of three‐dimensional graphene/Fe2O3 composite as a promising electrode material for supercapacitor, as well as the potential application of supercapacitor in electric automobile. The composites are synthesized via a one‐step reaction between graphene oxide and Fe2+ at a mild condition. During the reaction, graphene oxide sheets are reduced and self‐assemble into...
Metal oxides comprise an important class of electrode materials for supercapacitors. In this paper, we report the preparation of three‐dimensional (3D) Fe2O3/chemically converted graphene composites and their application in supercapacitors. The composites are synthesized via a one‐step reaction between graphene oxide and Fe2+ at a mild condition. During the reaction graphene oxide sheets are reduced...
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