Perovskites for protonic ceramic fuel cells: a review,Energy & Environmental Science

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Perovskites for protonic ceramic fuel cells: a review
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2022-04-07 , DOI: 10.1039/d2ee00132b
Jiafeng Cao _{1,

2} , Yuexia Ji ₁ , Zongping Shao _{2,

3}

Affiliation

Protonic ceramic fuel cells (PCFCs), capable of harmonious and efficient conversion of chemical energy into electric power at reduced temperature enabled by fast proton conduction, are promising energy technology, which may radically re-define the whole way of energy conversion in the future, while their practical use is highly dependent on the availability of efficient key cell materials, i.e., electrolyte and electrodes, that should meet several important requirements, such as conductivity, stability, catalytic activity, compatibility, and cost. During the past two decades, complex oxides with the ABO₃ perovskite or related structure have been extensively exploited as key materials in PCFCs, i.e., electrolyte and electrodes, due to their flexible composition with versatile properties. Rational design of perovskite and perovskite-related oxides with robust properties remains a pending research challenge, which makes in-depth understanding of the material engineering in PCFCs a specific focus of research. In this review, recent advances in the material engineering of perovskite oxides for PCFCs are summarized, and regulation strategies are presented, and applications as the electrodes and electrolyte are discussed. Importance is paid to exploiting the general rule of compositional engineering for amending the lattice structure, defect structure, and ionic transportation behavior of perovskite oxides, consequently providing useful guidance on the development of alternative perovskite materials for PCFCs and related fields.

中文翻译：

用于质子陶瓷燃料电池的钙钛矿：综述

质子陶瓷燃料电池 (PCFCs) 能够通过快速质子传导在降低的温度下将化学能和谐高效地转化为电能，是一种很有前景的能源技术，它可能会从根本上重新定义未来的整个能量转换方式，虽然它们的实际应用高度依赖于高效关键电池材料（即电解质和电极）的可用性，但它们应满足几个重要要求，例如导电性、稳定性、催化活性、相容性和成本。在过去的二十年中，具有 ABO ₃钙钛矿或相关结构的复合氧化物已被广泛用作 PCFC 的关键材料，即，电解质和电极，由于它们具有多种特性的灵活组合物。合理设计具有稳健性能的钙钛矿和钙钛矿相关氧化物仍然是一项悬而未决的研究挑战，这使得深入了解 PCFC 中的材料工程成为研究的一个具体重点。在这篇综述中，总结了用于 PCFC 的钙钛矿氧化物材料工程的最新进展，提出了调控策略，并讨论了作为电极和电解质的应用。重视利用组成工程的一般规则来修改钙钛矿氧化物的晶格结构、缺陷结构和离子输运行为，从而为开发用于 PCFC 和相关领域的替代钙钛矿材料提供有用的指导。

更新日期：2022-04-07

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