Electrodeposition of mesoporous manganese dioxide supercapacitor electrodes through self-assembled triblock copolymer templates


Xue, Tong, Xu, Cai-Ling, Zhao, Dan-Dan, Li, Xiao-Hong and Li, Hu-Lin (2007) Electrodeposition of mesoporous manganese dioxide supercapacitor electrodes through self-assembled triblock copolymer templates. Journal of Power Sources, 164, (2), 953-958. (doi:10.1016/j.jpowsour.2006.10.100).

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Description/Abstract

Mesoporous manganese dioxide supercapcitor electrode materials were electrochemically deposited onto silicon substrates coated with Pt using
triblock copolymer species (Pluronic P123 and F127) as the structure-directing agents. Deposited electrodes of manganese dioxide film were
physically characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and
were electrochemically characterized by cyclic voltammetry (CV) in 0.5M Na2SO4 electrolyte. Maximum specific capacitance (SC) values of
449Fg−1 was obtained at a scan rate of 10mVs−1 from F127 templated mesoporous MnO2.

Item Type: Article
ISSNs: 0378-7753 (print)
Related URLs:
Keywords: manganese dioxide, supercapacitors, lyotropic liquid crystalline, electrodeposition
Subjects: T Technology > TP Chemical technology
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
ePrint ID: 63251
Date Deposited: 24 Sep 2008
Last Modified: 27 Mar 2014 18:45
Contact Email Address: lihl@lzu.edu.cn
URI: http://eprints.soton.ac.uk/id/eprint/63251

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