Bridging gaps between lab- and fab-oriented anode design for proton exchange membrane water electrolyzers

IF 19.1 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Chem Pub Date : 2024-10-10 DOI:10.1016/j.chempr.2024.09.004
Jun Xu, Yuting Yang, Huanyu Jin, Yao Zheng, Shi-Zhang Qiao
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引用次数: 0

Abstract

Rationally designing anode electrocatalysts is crucial for advancing next-generation proton exchange membrane water electrolyzers (PEMWEs). However, the most developed oxygen evolution catalysts in labs often cannot be directly applied to commercial PEMWEs due to differences in durability, performance, and cost. In this perspective, we review these gaps between fundamental lab research and practical device requirements and propose solutions to bridge them. We cover degradation mechanisms and durability evaluations in lab-scale aqueous model systems (AMSs) and PEMWEs. The need for performance benchmarking for anode screening and assessment is addressed, emphasizing reliable test protocols in AMSs and PEMWEs. Additionally, we discuss the importance of cost reduction in anodic catalyst design for future PEMWEs systems. Finally, we highlight major challenges and propose outlooks for anode design in fab-oriented applications to achieve the ultimate green hydrogen goal of “1 kg H2 produced by 1 USD in 1 decade” (“111” goal).

Abstract Image

弥合质子交换膜水电解槽实验室阳极设计与工厂阳极设计之间的差距
合理设计阳极电催化剂对于推动下一代质子交换膜水电解器(PEMWEs)的发展至关重要。然而,由于耐久性、性能和成本方面的差异,实验室中最先进的氧进化催化剂往往不能直接应用于商用 PEMWE。在本文中,我们回顾了实验室基础研究与实际设备要求之间的差距,并提出了弥合这些差距的解决方案。我们将对实验室规模的水模型系统(AMS)和 PEMWE 的降解机制和耐用性进行评估。我们讨论了阳极筛选和评估对性能基准的需求,强调了 AMS 和 PEMWEs 中可靠的测试协议。此外,我们还讨论了为未来的 PEMWEs 系统降低阳极催化剂设计成本的重要性。最后,我们强调了在面向晶圆厂的应用中阳极设计所面临的主要挑战并提出了展望,以实现 "十年内用 1 美元生产 1 千克 H2"("111 "目标)的绿色氢气终极目标。
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
Chem
Chem Environmental Science-Environmental Chemistry
CiteScore
32.40
自引率
1.30%
发文量
281
期刊介绍: Chem, affiliated with Cell as its sister journal, serves as a platform for groundbreaking research and illustrates how fundamental inquiries in chemistry and its related fields can contribute to addressing future global challenges. It was established in 2016, and is currently edited by Robert Eagling.
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