High-performance asymmetric supercapacitor based on graphene hydrogel and nanostructured MnO2

We have successfully fabricated an asymmetric supercapacitor with high energy and power densities using graphene hydrogel (GH) with 3D interconnected pores as the negative electrode and vertically aligned MnO2 nanoplates on nickel foam (MnO2-NF) as the positive electrode in a neutral aqueous Na2SO4...

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Bibliographic Details
Main Authors: Gao, Hongcai, Xiao, Fei, Ching, Chi Bun, Duan, Hongwei
Other Authors: School of Chemical and Biomedical Engineering
Format: Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/96519
http://hdl.handle.net/10220/10270
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Institution: Nanyang Technological University
Language: English

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