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Polyoxometalate–Polymer Hybrid Materials as Proton Exchange Membranes for Fuel Cell Applications

机译：多金属氧酸盐-聚合物杂化材料作为燃料电池应用中的质子交换膜

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摘要

As one of the most efficient pathways to provide clean energy, fuel cells have attracted great attention in both academic and industrial communities. Proton exchange membranes (PEMs) or proton-conducting electrolytes are the key components in fuel cell devices, which require the characteristics of high proton conductivity as well as high mechanical, chemical and thermal stabilities. Organic–inorganic hybrid PEMs can provide a fantastic platform to combine both advantages of two components to meet these demands. Due to their extremely high proton conductivity, good thermal stability and chemical adjustability, polyoxometalates (POMs) are regarded as promising building blocks for hybrid PEMs. In this review, we summarize a number of research works on the progress of POM–polymer hybrid materials and related applications in PEMs. Firstly, a brief background of POMs and their proton-conducting properties are introduced; then, the hybridization strategies of POMs with polymer moieties are discussed from the aspects of both noncovalent and covalent concepts; and finally, we focus on the performance of these hybrid materials in PEMs, especially the advances in the last five years. This review will provide a better understanding of the challenges and perspectives of POM–polymer hybrid PEMs for future fuel cell applications.
机译：作为提供清洁能源的最有效途径之一，燃料电池在学术界和工业界都引起了极大的关注。质子交换膜（PEM）或质子传导电解质是燃料电池设备中的关键组件，它们需要具有高质子传导性以及高机械，化学和热稳定性的特性。有机-无机混合PEM可以提供一个绝佳的平台，结合两个组件的两个优点来满足这些需求。由于其极高的质子传导性，良好的热稳定性和化学可调节性，多金属氧酸盐（POM）被认为是混合PEM的有前途的构建基块。在这篇综述中，我们总结了许多有关POM-聚合物杂化材料的进展及其在PEM中的相关应用的研究工作。首先，简要介绍了聚甲醛的背景及其质子传导特性。然后，从非共价和共价概念两个方面讨论了POM与聚合物部分的杂交策略。最后，我们重点关注这些混合材料在PEM中的性能，尤其是最近五年的进展。这篇综述将更好地理解POM-聚合物混合PEM在未来燃料电池应用中的挑战和前景。

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