Issue 11, 2011
From the journal:

Energy & Environmental Science

A self-assembled hierarchical nanostructure comprising carbon spheres and graphenenanosheets for enhanced supercapacitor performance†‡

Chun Xian Guoab  and  Chang Ming Li*ab  

* Corresponding authors

a Institute for Clean Energy & Advanced Materials, Southwest University, Chongqing, P.R. China

b School of Chemical and Biomedical Engineering & Centre for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore, Singapore
E-mail: ECMLi@ntu.edu.sg
Fax: +65 6791 1761
Tel: +65 6790 4485

Abstract

A self-assembly approach is used to fabricate a hierarchical nanostructure using functionalized carbon spheres as nano-spacers to separate graphene nanosheets. The nanostructure significantly enhances capacitance of a graphene supercapacitor by more than 70%, while providing a universal method to self-assembling various carbons into hierarchical structures for energy conversion/storage systems.

Graphical abstract: A self-assembled hierarchical nanostructure comprising carbon spheres and graphene nanosheets for enhanced supercapacitor performance

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Article information

DOI
https://doi.org/10.1039/C1EE01676H
Article type
Communication
Submitted
09 May 2011
Accepted
07 Jul 2011
First published
22 Jul 2011

Energy Environ. Sci., 2011,4, 4504-4507

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A self-assembled hierarchical nanostructure comprising carbon spheres and graphene nanosheets for enhanced supercapacitor performance

C. X. Guo and C. M. Li, Energy Environ. Sci., 2011, 4, 4504 DOI: 10.1039/C1EE01676H

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