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A niobium and tantalum co-doped perovskite cathode for solid oxide fuel cells operating below 500 °C

Author

Listed:
  • Mengran Li

    (School of Chemical Engineering, The University of Queensland)

  • Mingwen Zhao

    (School of Physics and State Key Laboratory of Crystal Materials, Shandong University)

  • Feng Li

    (School of Physics and State Key Laboratory of Crystal Materials, Shandong University)

  • Wei Zhou

    (Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University)

  • Vanessa K. Peterson

    (Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation)

  • Xiaoyong Xu

    (School of Chemical Engineering, The University of Queensland)

  • Zongping Shao

    (Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University)

  • Ian Gentle

    (School of Chemistry and Molecular Biosciences, The University of Queensland)

  • Zhonghua Zhu

    (School of Chemical Engineering, The University of Queensland)

Abstract

The slow activity of cathode materials is one of the most significant barriers to realizing the operation of solid oxide fuel cells below 500 °C. Here we report a niobium and tantalum co-substituted perovskite SrCo0.8Nb0.1Ta0.1O3−δ as a cathode, which exhibits high electroactivity. This cathode has an area-specific polarization resistance as low as ∼0.16 and ∼0.68 Ω cm2 in a symmetrical cell and peak power densities of 1.2 and 0.7 W cm−2 in a Gd0.1Ce0.9O1.95-based anode-supported fuel cell at 500 and 450 °C, respectively. The high performance is attributed to an optimal balance of oxygen vacancies, ionic mobility and surface electron transfer as promoted by the synergistic effects of the niobium and tantalum. This work also points to an effective strategy in the design of cathodes for low-temperature solid oxide fuel cells.

Suggested Citation

  • Mengran Li & Mingwen Zhao & Feng Li & Wei Zhou & Vanessa K. Peterson & Xiaoyong Xu & Zongping Shao & Ian Gentle & Zhonghua Zhu, 2017. "A niobium and tantalum co-doped perovskite cathode for solid oxide fuel cells operating below 500 °C," Nature Communications, Nature, vol. 8(1), pages 1-9, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms13990
    DOI: 10.1038/ncomms13990
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    Cited by:

    1. Jia, Weihua & Wang, Yuqi & Huang, Jianbing & Li, Mengran & Xiang, Benlin & Wang, Yue & Wu, Le & Zheng, Lan & Ge, Lei, 2024. "Alternative B-site-doped La0.6Sr0.4Co0.2Fe0.8-xMxO3 (M = Ni, Cu, Nb; x = 0, 0.1, 0.2) as innovative cathode material for LT-SOFC with enhanced charge transfer and oxygen ion diffusion," Applied Energy, Elsevier, vol. 353(PB).
    2. Vinoth Kumar, R. & Khandale, A.P., 2022. "A review on recent progress and selection of cobalt-based cathode materials for low temperature-solid oxide fuel cells," Renewable and Sustainable Energy Reviews, Elsevier, vol. 156(C).
    3. Shah, M.A.K. Yousaf & Lu, Yuzheng & Mushtaq, Naveed & Yousaf, Muhammad & Akbar, Nabeela & Xia, Chen & Yun, Sining & Zhu, Bin, 2023. "Semiconductor-membrane fuel cell (SMFC) for renewable energy technology," Renewable and Sustainable Energy Reviews, Elsevier, vol. 185(C).
    4. Zhiheng Li & Xin Mao & Desheng Feng & Mengran Li & Xiaoyong Xu & Yadan Luo & Linzhou Zhuang & Rijia Lin & Tianjiu Zhu & Fengli Liang & Zi Huang & Dong Liu & Zifeng Yan & Aijun Du & Zongping Shao & Zho, 2024. "Prediction of perovskite oxygen vacancies for oxygen electrocatalysis at different temperatures," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    5. Kai Pei & Yucun Zhou & Kang Xu & Hua Zhang & Yong Ding & Bote Zhao & Wei Yuan & Kotaro Sasaki & YongMan Choi & Yu Chen & Meilin Liu, 2022. "Surface restructuring of a perovskite-type air electrode for reversible protonic ceramic electrochemical cells," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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