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Issue 16, 2015
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3D graphene nanomaterials for binder-free supercapacitors: scientific design for enhanced performance

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Abstract

Because of the excellent intrinsic properties, especially the strong mechanical strength, extraordinarily high surface area and extremely high conductivity, graphene is deemed as a versatile building block for fabricating functional materials for energy production and storage applications. In this article, the recent progress in the assembly of binder-free and self-standing graphene-based materials, as well as their application in supercapacitors are reviewed, including electrical double layer capacitors, pseudocapacitors, and asymmetric supercapacitors. Various fabrication strategies and the influence of structures on the capacitance performance of 3D graphene-based materials are discussed. We finally give concluding remarks and an outlook on the scientific design of binder-free and self-standing graphene materials for achieving better capacitance performance.

Graphical abstract: 3D graphene nanomaterials for binder-free supercapacitors: scientific design for enhanced performance

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Article information


Submitted
08 Oct 2014
Accepted
23 Nov 2014
First published
28 Nov 2014

Nanoscale, 2015,7, 6957-6990
Article type
Feature Article
Author version available

3D graphene nanomaterials for binder-free supercapacitors: scientific design for enhanced performance

S. He and W. Chen, Nanoscale, 2015, 7, 6957
DOI: 10.1039/C4NR05895J

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