A Metal-Free Supercapacitor Electrode Material with a Record High Volumetric Capacitance over 800 F cm(-3).

Xu, Yue; Tao, Ying; Zheng, Xiaoyu; Ma, Hongyun; Luo, Jiayan; Kang, Feiyu; Yang, Quan-Hong · Adv Mater · 2015

basic_science · Level V

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Abstract

A metal-free supercapacitor electrode material is prepared by the hybridization of graphene and polyaniline in a very compact way without sacrificing their gravimetric capacitance. It exhibits a record high volumetric capacitance over 800 F cm(-3).