High-speed annealing of hydrous ruthenium oxide nanoparticles by intensely pulsed white light for supercapacitors

Title
High-speed annealing of hydrous ruthenium oxide nanoparticles by intensely pulsed white light for supercapacitors
Authors
유태희김선민임정아김종휘상병인송용원
Keywords
Intensely Pulsed White Light; Ruthenium Oxide; Supercapacitor; Photoannealing
Issue Date
2013-08
Publisher
Journal of the Electrochemical Society
Citation
VOL 160, NO 10, A1772-A1776
Abstract
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/㎠ in 23 msec.
URI
http://pubs.kist.re.kr/handle/201004/45737
ISSN
00134651
Appears in Collections:
KIST Publication > Article
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