期刊
JOURNAL OF POWER SOURCES
卷 158, 期 1, 页码 795-800出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2005.09.002
关键词
redox pseudocapacitance; RuO2; polymeric precursor method
RuO2 electrodes were prepared by polymeric precursor method. Initially the composition variables were investigated using a factorial design and in a second step the calcination temperature was studied between 250 and 600 degrees C. Cyclic voltammograms in acid medium show no changes in the profile for different preparation temperature. On the other hand, a high decrease of the current density occurs as the calcination temperature is increased. Consequently, the specific capacitance of the electrodes also decreases. Specific capacitances of 70 F g(-1) were obtained for films prepared at 250 degrees C. (c) 2005 Elsevier B.V. All rights reserved.
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