Improved performance of direct methanol fuel cells by anodic treatment

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dc.contributor.authorJeon, MK-
dc.contributor.authorWon, JY-
dc.contributor.authorWoo, Seong-Ihl-
dc.identifier.citationECS Meeting program, v., no., pp. --
dc.description.abstractAnodic treatment of direct methanol fuel cell single cells was carried out at anode potentials of 0.1, 0.4, 0.7, and 1.0 V. An increase in maximum power density by 48% was achieved after anodic treatment at 0.7 V. Electrochemical impedance spectroscopy showed that the methanol electro-oxidation activity of the PtRu catalyst was promoted by the anodic treatment. Oxidation states of Ru changed from Ru metal (43%) and RuO2 (57%) to RuO2 (33%) and RuOxHy (67%), which were studied by X-ray photoelectron spectroscopy. The results showed that the formation of RuOxHy occurred at a potential range of 0.4-0.7 V. (c) 2006 The Electrochemical Society.-
dc.titleImproved performance of direct methanol fuel cells by anodic treatment-
dc.citation.publicationnameECS Meeting program-
dc.identifier.conferencecountryUnited States-
dc.identifier.conferencecountryUnited States-
dc.contributor.localauthorWoo, Seong-Ihl-
dc.contributor.nonIdAuthorJeon, MK-
dc.contributor.nonIdAuthorWon, JY-
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CBE-Conference Papers(학술회의논문)
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