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

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Title: In Situ Observation of Dynamic Meniscus Front Interface in Alkaline Fuel Cell
Authors: Matsushima, Hisayoshi Browse this author →KAKEN DB
Majima, Wataru Browse this author
Fukunaka, Yasuhiro Browse this author
Ueda, Mikito Browse this author
Issue Date: 6-May-2015
Publisher: The Electrochemical Society (ECS)
Journal Title: ECS electrochemistry letters
Volume: 4
Issue: 7
Start Page: F43
End Page: F45
Publisher DOI: 10.1149/2.0031507eel
Abstract: 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.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松島 永佳

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