高温质子交换膜燃料电池从催化剂到膜电极组件的性能提升

IF 17.1 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Chenhui Xu , Shufan Wang , Yun Zheng , Haishan Liu , Lingfei Li , Zewen Zhuang , Wei Yan , Jiujun Zhang
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引用次数: 0

摘要

高温质子交换膜燃料电池(ht - pemfc)由于其更快的反应动力学和对燃料/气体杂质的耐受性以及简单的水/热管理而具有广阔的应用前景。然而,催化剂和随后的膜电极组件(MEAs)的性能仍在下降,这严重限制了ht - pemfc的大规模实际应用。为了克服这些挑战,开发高性能催化剂和MEAs,采用先进的材料和优化的结构,以实现ht - pemfc的稳定高效运行是必要的。为了促进ht - pemfc的研究和发展,本文综述了活性稳定催化剂和耐用MEAs的最新研究进展。本文系统总结了催化剂的降解机理,以及相应的缓解策略,以提高催化剂和mea的稳定性,旨在有效地开发高性能、耐用的ht - pemfc。最后,分析了高温等离子体燃料电池中存在的主要问题,并提出了克服这些问题的未来研究方向,以期开发出高活性、稳定的催化剂和MEAs用于实际应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Performance enhancement from catalysts to membrane electrode assemblies for high-temperature proton exchange membrane fuel cells

Performance enhancement from catalysts to membrane electrode assemblies for high-temperature proton exchange membrane fuel cells
High-temperature proton exchange membrane fuel cells (HT-PEMFCs) show broad application perspectives due to their faster reaction kinetics and tolerance to fuel/gas impurities as well as the easy water/heat managements. However, the catalysts and subsequent membrane electrode assemblies (MEAs) are still suffering from performance degradation, which severely restricts HT-PEMFCs’ large-scale practical application. To overcome the challenges, developing high-performance catalysts and MEAs with advanced materials and optimized structures to achieve stable and efficient operation of HT-PEMFCs is necessary. To facilitate the research and development of HT-PEMFCs, a comprehensive overview of the latest developments in the design of active and stable catalysts and durable MEAs is presented in this paper. This review systematically summarizes the degradation mechanisms of catalysts, and corresponding mitigation strategies for improving the stability of catalysts and MEAs, aiming to effectively developing high-performance and durable HT-PEMFCs. Furthermore, the main challenges are analyzed and the future research directions for overcoming the challenges are also proposed for developing high-active and stable catalysts and MEAs used in HT-PEMFCs toward practical applications.
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来源期刊
Nano Energy
Nano Energy CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY
CiteScore
30.30
自引率
7.40%
发文量
1207
审稿时长
23 days
期刊介绍: Nano Energy is a multidisciplinary, rapid-publication forum of original peer-reviewed contributions on the science and engineering of nanomaterials and nanodevices used in all forms of energy harvesting, conversion, storage, utilization and policy. Through its mixture of articles, reviews, communications, research news, and information on key developments, Nano Energy provides a comprehensive coverage of this exciting and dynamic field which joins nanoscience and nanotechnology with energy science. The journal is relevant to all those who are interested in nanomaterials solutions to the energy problem. Nano Energy publishes original experimental and theoretical research on all aspects of energy-related research which utilizes nanomaterials and nanotechnology. Manuscripts of four types are considered: review articles which inform readers of the latest research and advances in energy science; rapid communications which feature exciting research breakthroughs in the field; full-length articles which report comprehensive research developments; and news and opinions which comment on topical issues or express views on the developments in related fields.
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