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    Inherently Catalyzed Boudouard Reaction of Bamboo Biochar for Solid Oxide Fuel Cells with Improved Performance

    Access Status
    Fulltext not available
    Authors
    An, Wenting
    Sun, X.
    Jiao, Yong
    Wang, S.
    Wang, Wei
    Tade, Moses
    Shao, Zongping
    Li, S.
    Shuang, S.
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    An, W. and Sun, X. and Jiao, Y. and Wang, S. and Wang, W. and Tade, M. and Shao, Z. et al. 2018. Inherently Catalyzed Boudouard Reaction of Bamboo Biochar for Solid Oxide Fuel Cells with Improved Performance. Energy and Fuels. 32 (4): pp. 4559-4568.
    Source Title
    Energy and Fuels
    DOI
    10.1021/acs.energyfuels.7b03131
    ISSN
    0887-0624
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP150104365
    http://purl.org/au-research/grants/arc/DP160104835
    URI
    http://hdl.handle.net/20.500.11937/67324
    Collection
    • Curtin Research Publications
    Abstract

    The feasibility of direct utilization of bamboo biochar (BC) as a fuel for solid oxide fuel cells (SOFCs) is studied by comparing BC to de-ashed BC (DC) and activated BC (AC) in terms of Boudouard reactivity and the performance of the fuel cell. The CO partial pressures in the carbon dioxide temperature-programmed oxidation profiles of BC and DC are 3.18 × 10 -8 and 1.04 × 10 -8 Torr at 850 °C, respectively, which indicates that BC has superior Boudouard reactivity compared to DC. The peak power densities (PPDs) of the cells fueled with BC and DC are 121 and 73 mW cm -2 at 850 °C, respectively. The inherent metal elements in BC, mainly K of 33.88 mg g -1 and Ca of 2.06 mg g -1 , play a key role in boosting its Boudouard reactivity and the performance of the cell. In addition, the loading of artificial catalysts to BC can noticeably enhance its Boudouard reactivity and gain a higher power output of the cell fed with it. The PPD of catalyst-loaded BC achieves approximately 191 mW cm -2 at 850 °C. This study reveals that BC is a promising carbon-neutral fuel for SOFCs and provides an efficient alternative to use this renewable resource in sustainable power generation.

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