Asymmetric Supercapacitors Based on Graphene/MnO<sub>2</sub> and Activated Carbon Nanofiber Electrodes with High Power and Energy Density

Fan, Zhuangjun; Yan, Jun; Wei, Tong; Zhi, Linjie; Ning, Guoqing; Li, Tianyou; Wei, Fei

doi:10.1002/adfm.201100058

Public

Asymmetric Supercapacitors Based on Graphene/MnO2 and Activated Carbon Nanofiber Electrodes with High Power and Energy Density

Published in Advanced Functional Materials • Apr 20, 2011

Authors:

Zhuangjun Fan

Jun Yan

Tong Wei

Abstract

Abstract Asymmetric supercapacitor with high energy density has been developed successfully using graphene/MnO 2 composite as positive electrode and activated carbon nanofibers (ACN) as negative electrode in a neutral aqueous Na 2 SO 4 electrolyte. Due to the high capacitances and excellent rate per...

Subject

Supercapacitor

Materials science

Graphene

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