Electrodeposited Mesoporous Pt for Direct Ethanol Fuel Cells Anodes

Nguyet Doan, Marta C. Figueiredo, Christoffer Johans, Tanja Kallio*

*Corresponding author for this work

    Research output: Contribution to journalArticleScientificpeer-review

    4 Citations (Scopus)
    111 Downloads (Pure)

    Abstract

    In this study mesoporous Pt was electrodeposited from liquid crystal templates with different amount of Pt (0.60 mg/cm(2), 1.0 mg/cm(2) and 1.5 mg/cm(2)) directly on a carbon cloth using a potentiostatic method. These mesoporous Pt electrocatalysts were used as anodes for a direct ethanol fuel cell and the activity of ethanol oxidation reaction was studied. The electrochemical active surface area of the electrodes was measured using cyclic voltammetry under fuel cell conditions. Polarization and power curves for both commercial Pt and electrodeposited mesoporous Pt at different temperatures (30 degrees C, 50 degrees C and 70 degrees C) were studied, showing an increase of the performance with the temperature as expected. Despite lower Pt loading, all the mesoporous samples showed similar or better performances in the direct ethanol fuel cell when compared with the commercial Pt sample (4.0 mg/cm(2)). These results show that this catalyst preparation method can be a new route for the development of more efficient Pt based materials for direct alcohol fuel cells applications.

    Original languageEnglish
    Pages (from-to)7631-7643
    Number of pages13
    JournalInternational Journal of Electrochemical Science
    Volume11
    Issue number9
    DOIs
    Publication statusPublished - Sep 2016
    MoE publication typeA1 Journal article-refereed

    Keywords

    • mesoporous Pt
    • electrodeposition
    • catalysts
    • direct ethanol fuel cell

    Cite this