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    Optimization of Water-Based Cathode Inks for Solid Oxide Fuel Cells

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    Authors
    Howe, K. S.
    Song, Z. H.
    Kueh, T. H.
    Steinberger-Wilckens, R.
    Dhir, A.
    Issue Date
    2013-12
    
    Metadata
    Show full item record
    Abstract
    A new cathode ink for a solid oxide fuel cell has recently been developed (UK Patent Publication Number GB2490869). It was found to give a power density of 0.33 W/cm2 at 0.7 V at 750°C running on hydrogen. Further optimisation work has been undertaken, focusing on the dispersant: Poly(N-VinylPyrrolidone) - PVP. The effects of chain length and weight percentage of PVP have been investigated, and Poly (ethylene glycol) – PEG - was tested for comparison. PEG was found to give good performance at lower weight percentages, but had a negative impact on ink rheology at higher concentrations. Optimisation of the ink formulation increased the power at 0.7 V to 0.46 W/cm2 under identical test conditions.
    Citation
    Optimization of Water-Based Cathode Inks for Solid Oxide Fuel Cells 2013, 57 (1):2057 ECS Transactions
    Publisher
    The Electrochemical Society
    Journal
    ECS Transactions
    URI
    http://hdl.handle.net/2436/621450
    DOI
    10.1149/05701.2057ecst
    Additional Links
    http://ecst.ecsdl.org/cgi/doi/10.1149/05701.2057ecst
    Type
    Journal article
    Language
    en
    ISSN
    1938-6737
    1938-5862
    ae974a485f413a2113503eed53cd6c53
    10.1149/05701.2057ecst
    Scopus Count
    Collections
    Faculty of Science and Engineering

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