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    A novel composite cathode Er0.4Bi1.6O3-Pr0.5Ba0.5MnO3-delta for ceria-bismuth bilayer electrolyte high performance low temperature solid oxide fuel cells

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    Type
    Article
    Authors
    Hou, Jie
    Bi, Lei
    Qian, Jing
    Gong, Zheng
    Zhu, Zhiwen
    Liu, Wei
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2016
    Submitted Date
    2015-08-20
    Permanent link to this record
    http://hdl.handle.net/10754/670025
    
    Metadata
    Show full item record
    Abstract
    A novel composite cathode consisting of A-site disordered Pr0.5Ba0.5MnO3-δ (PBM) and Er0.4Bi1.6O3 (ESB) is developed for solid oxide fuel cells (SOFCs) with ceria-bismuth bilayer electrolyte. Based on Sm0.075Nd0.075Ce0.85O2-δ|ESB (SNDC|ESB) bilayer structured film, the single cell NiO-SNDC|SNDC|ESB|ESB-PBM achieves an encouraging performance with the maximum power density (MPD) of 994 mW cm-2 and an interfacial polarization resistance (Rp) of 0.027 Ω cm2 at 650 °C. Although a possible reaction between ESB and PBM has been identified in the cathode, the ascendant electrochemical performance including the very high fuel cell performance and Rp obtained here can demonstrate that the novel cobalt-free composite cathode ESB-PBM is a preferable alternative for ceria-bismuth bilayer electrolyte high performance low temperature SOFCs (HPLT-SOFCs) and the interfacial reaction in the cathode seems not to be detrimental to the electrochemical performance.
    Citation
    Hou, J., Bi, L., Qian, J., Gong, Z., Zhu, Z., & Liu, W. (2016). A novel composite cathode Er0.4Bi1.6O3–Pr0.5Ba0.5MnO3−δ for ceria-bismuth bilayer electrolyte high performance low temperature solid oxide fuel cells. Journal of Power Sources, 301, 306–311. doi:10.1016/j.jpowsour.2015.10.018
    Sponsors
    This work was supported by Ministry of Science and Technology of China (Grant No: 2012CB215403). The project was also supported by the National Science Foundations of China (Grant nos: 51472228 and 51408582).
    Publisher
    Elsevier BV
    Journal
    JOURNAL OF POWER SOURCES
    DOI
    10.1016/j.jpowsour.2015.10.018
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S037877531530402X
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jpowsour.2015.10.018
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division

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