Journal of The Surface Finishing Society of Japan
Online ISSN : 1884-3409
Print ISSN : 0915-1869
ISSN-L : 0915-1869
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Volume 65, Issue 1
Displaying 1-8 of 8 articles from this issue
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Special Feature / New Development in Nanoporous Materials
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  • Electrochemical Formation of Carbon Film Utilizing Cathodic Reduction of Carbonate Ions in a Molten Chloride: Effect of PR Electrolysis
    Akihiro YUKAWA, Yoshiko UEDA, Yoshitaka ADACHI, Kazuto TANAKA, Tsutao ...
    2014 Volume 65 Issue 1 Pages 41-46
    Published: January 01, 2014
    Released on J-STAGE: January 01, 2015
    DOIhttps://member-cnki-net-s-1416.res.gxlib.org.cn:443/rwt/1416/https/MSYXTLUQPJUB/10.4139/sfj.65.41
    JOURNAL FREE ACCESS
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    This study investigated the formation of carbon films on a stainless steel surface using cathodic reduction of CO32－ ions in a molten chloride. Various electrolysis methods such as potentiostatic, galvanostatic, galvanostatic pulse, and galvanostatic periodically reversed (PR) electrolysis were used with the aim of obtaining smooth and adhesive films. Potentiostatic and galvanostatic PR electrolysis yielded smooth, dense, and adhesive carbon films, but the electrodeposited carbon films created by potentiostatic electrolysis often peeled away from the substrate when the supplied electricity was increased, possibly because of selective particle growth on the initially deposited, randomly dispersed carbon nucleation sites. However, galvanostatic PR electrolysis produced smooth and adhesive carbon films for which the thickness increased almost linearly along with the supplied electricity. These results suggest that galvanostatic PR electrolysis is the most effective electrolysis method for obtaining smooth, dense, and adhesive carbon films.
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