Performance failure mechanisms and mitigation strategies of high-temperature proton exchange membrane fuel cells

IF 7.2 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Chemistry of Materials Pub Date : 2024-10-12 DOI:10.1016/j.pmatsci.2024.101389

Shufan Wang, Yun Zheng, Chenhui Xv, Haishan Liu, Lingfei Li, Wei Yan, Jiujun Zhang

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引用次数: 0

Abstract

As one type of promising electrochemical technologies, high temperature proton exchange membrane fuel cells (HT-PEMFCs) have been widely recognized as the next-generation fuel cell technology for clean energy conversion due to their superiorities of fast electrochemical kinetics, simplified water management, good tolerance to feeding gas contaminants, low emission and high efficiency of energy conversion. However, performance failure during long-term operation still largely hinders their practical application. Accordingly, the explorations of advanced materials and structures, degradation mechanisms and mitigation strategies are attracting intensive attentions for promoting the progress of this technology. In addressing the timely update on the emerging progress regrading long-term durability of HT-PEMFCs, a comprehensive review summarizing the most recent developments of performance failure mechanisms and mitigation strategies for critical components of HT-PEMFCs is presented here. In this paper, the fundamentals involving basic reactions, main components, and development history are first summarized for fundamental understanding; then, the failure analysis and the corresponding mitigation strategies for critical components involving proton exchange membrane, catalytic layer, gas diffusion layer, bipolar plate, and thermal/water management systems are mainly emphasized. Furthermore, the technical challenges are analyzed and the further research directions are also proposed for overcoming the challenges toward practical application of HT-PEMFCs.

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高温质子交换膜燃料电池的性能故障机制和缓解策略

作为一种前景广阔的电化学技术，高温质子交换膜燃料电池（HT-PEMFCs）以其快速的电化学动力学、简化的水管理、对进气污染物的良好耐受性、低排放和高效率的能量转换等优点，被广泛认为是下一代清洁能源转换燃料电池技术。然而，在长期运行过程中出现的性能故障仍在很大程度上阻碍了其实际应用。因此，对先进材料和结构、降解机理和缓解策略的探索正引起人们的广泛关注，以促进该技术的进步。为了及时更新 HT-PEMFCs 长期耐久性方面的新进展，本文对 HT-PEMFCs 关键部件的性能失效机制和缓解策略的最新发展进行了全面综述。本文首先概述了基本反应、主要组件和发展历史等基本原理，以便从根本上理解；然后，主要强调了质子交换膜、催化层、气体扩散层、双极板和热/水管理系统等关键组件的失效分析和相应的缓解策略。此外，还分析了 HT-PEMFCs 所面临的技术挑战，并提出了进一步的研究方向，以克服这些挑战，实现 HT-PEMFCs 的实际应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chemistry of Materials 工程技术-材料科学：综合

CiteScore

14.10

自引率

5.80%

发文量

929

审稿时长

1.5 months

期刊介绍： The journal Chemistry of Materials focuses on publishing original research at the intersection of materials science and chemistry. The studies published in the journal involve chemistry as a prominent component and explore topics such as the design, synthesis, characterization, processing, understanding, and application of functional or potentially functional materials. The journal covers various areas of interest, including inorganic and organic solid-state chemistry, nanomaterials, biomaterials, thin films and polymers, and composite/hybrid materials. The journal particularly seeks papers that highlight the creation or development of innovative materials with novel optical, electrical, magnetic, catalytic, or mechanical properties. It is essential that manuscripts on these topics have a primary focus on the chemistry of materials and represent a significant advancement compared to prior research. Before external reviews are sought, submitted manuscripts undergo a review process by a minimum of two editors to ensure their appropriateness for the journal and the presence of sufficient evidence of a significant advance that will be of broad interest to the materials chemistry community.