In Situ Observation of Dynamic Meniscus Front Interface in Alkaline Fuel Cell

Matsushima, Hisayoshi; Majima, Wataru; Fukunaka, Yasuhiro et al.

ECS electrochemistry letters, 2015, 4(7), F43-F45

Permalink : https://hdl.handle.net/2115/59577

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アクセス権	open access
URI	https://hdl.handle.net/2115/59577
タイトル	In Situ Observation of Dynamic Meniscus Front Interface in Alkaline Fuel Cell
著者	Matsushima, Hisayoshi ; Majima, Wataru ; Fukunaka, Yasuhiro ; Ueda, Mikito
e-Rad_Researcher 30578026 著者名 Matsushima, Hisayoshi
著者名 Majima, Wataru
著者名 Fukunaka, Yasuhiro
著者名 Ueda, Mikito
言語	英語
発行日	2015-05-06
出版者	The Electrochemical Society (ECS)
収録物名	ECS electrochemistry letters
巻(号)	4(7)
ページ	F43-F45
抄録	Controlling the wetting properties at the three-phase interface is important for improving the performance of alkaline fuel cells. The meniscus of a potassium hydroxide droplet was formed on a nickel electrode, and the interference fringe during the oxygen reduction reaction was observed by confocal laser microscopy. The high spatial resolution of the microscope revealed thin film formation at the meniscus front interface. The thickness decreased with increasing cathodic potential. The generation of microscopic convection by interfacial surface tension may affect mass transfer in the thin film.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution 4.0 International
PISSN	2162-8726
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1149/2.0031507eel