Facile Electrochemical Fabrication of Porous Fe2O3 Nanosheets for Flexible Asymmetric Supercapacitors
By Li, Ting; Yu, Hang; Zhi, Lei; Zhang, Wenliang; Dang, Liqin; Liu, Zonghuai; Lei, Zhibin
Published in The Journal of Physical Chemistry C
2017
Abstract
Fe2O3 is one of the promising negative electrodes for asymmetric supercapacitors. But the rather low conductivity and poor cycling stability hinder its practical application. Herein, we report a facile electrochemical deposition technique to prepare porous Fe2O3 nanosheets on carbon fabric (CF-Fe2O3). The obtained Fe2O3 displays highly porous nanosheet structure with reduced ion diffusion length and significantly enhanced conductivity. As a flexible supercapacitor electrode, the CF-Fe2O3 hybrid electrode delivers a large areal capacitance of 1.56 F cm
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