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
Author
상병인
Keywords
CHARGE STORAGE MECHANISM; ELECTROCHEMICAL CAPACITORS; FILM ELECTRODES; ENERGY-STORAGE; RUO2; NANOCOMPOSITES; CONDUCTIVITY; BEHAVIOR
Issue Date
2013-03
Publisher
Electrochemical SOC INC
Citation
Journal of The Electrochemical Society, 2013, 160(10), P.1772-1776
Abstract
We propose and demonstrate an extremely efficient annealing for the RuO2 center dot xH(2)O 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 center dot xH(2)O 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/cm(2) in 23 msec. (C) 2013 The Electrochemical Society. All rights reserved.
URI
http://jes.ecsdl.org/content/160/10/A1772
ISSN
0013-4651; 1945-7111
DOI
10.1149/2.063310jes
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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