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    Synthesis strategies for improving the performance of doped-BaZrO 3 materials in solid oxide fuel cell applications

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    Type
    Article
    Authors
    Bi, Lei
    Traversa, Enrico cc
    KAUST Department
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Materials for Energy Conversion and Storage (MECS) Lab
    Physical Science and Engineering (PSE) Division
    Date
    2013-08-07
    Online Publication Date
    2013-08-07
    Print Publication Date
    2014-01
    Permanent link to this record
    http://hdl.handle.net/10754/566039
    
    Metadata
    Show full item record
    Abstract
    Solid oxide fuel cells (SOFCs) offer an efficient energy conversion technology for alleviating current energy problems. High temperature proton-conducting (HTPC) oxides are promising electrolytes for this technology, since their activation energy is lower than that of conventional oxygen-ion conductors, enabling the operating temperature reduction at 600 °C. Among HTPC oxides, doped BaZrO3 materials possess high chemical stability, needed for practical applications. Though, poor sinterability and the resulting large volume of highly resistive grain boundaries hindered their deployment for many years. Nonetheless, the recently demonstrated high proton conductivity of the bulk revived the attention on doped BaZrO3, stimulating research on solving the sintering issues. The proper selection of dopants and sintering aids was demonstrated to be successful for improving the BaZrO3 electrolyte sinterability. We here briefly review the synthesis strategies proposed for preparing BaZrO3-based nanostructured powders for electrolyte and electrodes, with the aim to improve the SOFC performance. © Materials Research Society 2013.
    Citation
    Bi, L., & Traversa, E. (2013). Synthesis strategies for improving the performance of doped-BaZrO3 materials in solid oxide fuel cell applications. Journal of Materials Research, 29(1), 1–15. doi:10.1557/jmr.2013.205
    Publisher
    Cambridge University Press (CUP)
    Journal
    Journal of Materials Research
    DOI
    10.1557/jmr.2013.205
    ae974a485f413a2113503eed53cd6c53
    10.1557/jmr.2013.205
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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