Issue 10, 2010
From the journal:

Energy & Environmental Science

Unequalisation of electrode capacitances for enhanced energy capacity in asymmetrical supercapacitors

Chuang Peng,a   Shengwen Zhang,†a   Xiaohang Zhoua  and  George Z. Chen*a  

* Corresponding authors

a Department of Chemical and Environmental Engineering, and Energy and Sustainability Research Division, Faculty of Engineering, University of Nottingham, University Park, Nottingham, UK
E-mail: george.chen@nottingham.ac.uk

Abstract

An increase beyond 70% in specific energy of an asymmetrical supercapacitor of carbon (−) and composite of carbon nanotubes and polyaniline (+) was achieved by firstly identifying the ‘cell voltage limiting electrode’, and then adjusting the capacitance ratio of the ±electrodes from 1.0 to 1.3.

Graphical abstract: Unequalisation of electrode capacitances for enhanced energy capacity in asymmetrical supercapacitors

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Article information

DOI
https://doi.org/10.1039/C0EE00228C
Article type
Communication
Submitted
05 Jul 2010
Accepted
06 Aug 2010
First published
02 Sep 2010

Energy Environ. Sci., 2010,3, 1499-1502

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Unequalisation of electrode capacitances for enhanced energy capacity in asymmetrical supercapacitors

C. Peng, S. Zhang, X. Zhou and G. Z. Chen, Energy Environ. Sci., 2010, 3, 1499 DOI: 10.1039/C0EE00228C

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