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    Advanced Air Electrodes for Reversible Protonic Ceramic Electrochemical Cells: A Comprehensive Review

    Access Status
    In process
    Authors
    Chen, X.
    Tan, Y.
    Li, Z.
    Liu, T.
    Song, Y.
    Zhai, S.
    Yu, N.
    Shao, Zongping
    Ni, M.
    Date
    2025
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Chen, X. and Tan, Y. and Li, Z. and Liu, T. and Song, Y. and Zhai, S. and Yu, N. et al. 2025. Advanced Air Electrodes for Reversible Protonic Ceramic Electrochemical Cells: A Comprehensive Review. Advanced Materials. : pp. e2418620-.
    Source Title
    Advanced Materials
    DOI
    10.1002/adma.202418620
    ISSN
    0935-9648
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/97445
    Collection
    • Curtin Research Publications
    Abstract

    Reversible protonic ceramic electrochemical cells (R-PCECs) have great potential for efficient and clean power generation, energy storage, and sustainable synthesis of high-value chemicals. However, the sluggish and unstable kinetics of the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in the air electrode hinder the R-PCEC development. Durable H+/e−/O2− triple-conducting air electrode materials are promising for enhancing reaction kinetics and improving catalytical stability. This review synthesizes the recent progress in triple-conducting air electrodes, focusing on their working mechanisms, including electrode kinetics, lattice and its defect structure in oxides, and the generation and transport processes of H+, O2−, and e−. It also examines the required physicochemical properties and their influencing factors. By synthesizing and critically analyzing the latest theoretical frameworks, advanced materials, and regulation strategies, this review outlines the challenges and prospects shaping the future of R-PCEC technology and air electrode development. Based on these theories and multiple strategies about the bulk triple conducting properties and surface chemical states, this review provides practical guidance for the rational design and development of efficient and stable air electrode materials for R-PCECs and related electrocatalytic materials.

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