High-Speed Annealing of Hydrous Ruthenium Oxide Nanoparticles by Intensely Pulsed White Light for Supercapacitors

We propose and demonstrate an extremely efficient annealing for the RuO2·xH2O nanoparticles incorporated in a supercapacitor employing intensely pulsed white light (IPWL). The IPWL process ensures the significant advantage of a room-temperature and millisecond-scaled process under ambient conditions...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 2013-01, Vol.160 (10), p.A1772-A1776
Main Authors: Yoo, Tae-Hee, Kim, Sun Min, Lim, Jung Ah, Kim, Jong-Huy, Sang, Byoung-In, Song, Yong-Won
Format: Article
Language:English
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Summary:We propose and demonstrate an extremely efficient annealing for the RuO2·xH2O nanoparticles incorporated in a supercapacitor employing intensely pulsed white light (IPWL). The IPWL process ensures the significant advantage of a room-temperature and millisecond-scaled process under ambient conditions. Resultant nanomorphology and crystallinity of RuO2·xH2O electrodes are analyzed for process optimization. Electrochemical characteristics of the IPWL-treated electrodes were investigated by cycle voltammetry, resulting in a specific capacitance of 439 F/g at 10 mV/s with the irradiated IPWL energy of 2.04 J/cm2 in 23 msec.
ISSN:0013-4651
1945-7111
DOI:10.1149/2.063310jes