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首页> 中文期刊> 《天然气化学（英文版）》 >Recent advances and perspectives of fluorite and perovskite-based dual-ion conducting solid oxide fuel cells

Recent advances and perspectives of fluorite and perovskite-based dual-ion conducting solid oxide fuel cells

         
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摘要

High-temperature solid-state electrolyte is a key component of several important electrochemical devices,such as oxygen sensors for automobile exhaust control,solid oxide fuel cells(SOFCs) for power generation,and solid oxide electrolysis cells for H_(2) production from water electrolysis or CO_(2) electrochemical reduction to value-added chemicals.In particular,internal diffusion of protons or oxygen ions is a fundamental and crucial issue in the research of SOFCs,hypothetically based on either oxygen-ionconducting electrolytes or proton-conducting electrolytes.Up to now,some electrolyte materials based on fluorite or perovskite structure were found to show certain degree of dual-ion transportation capability,while in available electrolyte database,particularly in the field of SOFCs,such dual-ion conductivity was seriously overlooked.Actually,few concerns arising to the simultaneous proton and oxygen-ion conductivities in electrolyte of SOFCs inevitably induce various inadequate and confusing results in literature.Understanding dual-ion transportation behavior in electrolyte is indisputably of great importance to explain some unusual fuel cell performance as reported in literature and enrich the knowledge of solid state ionics.On the other hand,exploration of novel dual-ion conducting electrolytes will benefit the development of SOFCs.In this review,we provide a comprehensive summary of the understanding of dual-ion transportation in solid electrolyte and recent advances of dual-ion conducting SOFCs.The oxygen ion and proton conduction mechanisms at elevated temperature inside oxide-based electrolyte materials are first introduced,and then(mixed) oxygen ion and proton conduction behaviors of fluorite and perovskite-type oxides are discussed.Following on,recent advances in the development of dual-ion conducting SOFCs based on fluorite and perovskite-type single-phase or composite electrolytes,are reviewed.Finally,the challenges in the development of dual-ion conducting SOFCs are discussed and future prospects are proposed.

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  • 来源
    《天然气化学（英文版）》 |2021年第6期|406-427|共22页
  • 作者

    Jiafeng Cao; Chao Su; Yuexia Ji; Guangming Yang; Zongping Shao;

  • 作者单位

    Institute of Materials Science and Engineering & School of Mathematics and Physics Anhui University of Technology Maanshan 243032 Anhui China;

    WA School of Mines: Minerals Energy and Chemical Engineering Curtin University Perth 6102 Western Australia Australia;

    WA School of Mines: Minerals Energy and Chemical Engineering Curtin University Perth 6102 Western Australia Australia;

    School of Energy and Power Jiangsu University of Science and Technology Zhenjiang 212100 Jiangsu China;

    Institute of Materials Science and Engineering & School of Mathematics and Physics Anhui University of Technology Maanshan 243032 Anhui China;

    State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University Nanjing 211816 Jiangsu China;

    WA School of Mines: Minerals Energy and Chemical Engineering Curtin University Perth 6102 Western Australia Australia;

    State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University Nanjing 211816 Jiangsu China;

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  • 正文语种 eng
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