Recent advances in proton exchange membrane water electrolysis

Rui Ting Liu, Zheng Long Xu, Fu Min Li, Fei Yang Chen, Jing Ya Yu, Ya Yan, Yu Chen, Bao Yu Xia

Research output: Journal article publicationReview articleAcademic researchpeer-review

50 Citations (Scopus)

Abstract

Proton exchange membrane water electrolyzers (PEMWEs) are an attractive technology for renewable energy conversion and storage. By using green electricity generated from renewable sources like wind or solar, high-purity hydrogen gas can be produced in PEMWE systems, which can be used in fuel cells and other industrial sectors. To date, significant advances have been achieved in improving the efficiency of PEMWEs through the design of stack components; however, challenges remain for their large-scale and long-term application due to high cost and durability issues in acidic conditions. In this review, we examine the latest developments in engineering PEMWE systems and assess the gap that still needs to be filled for their practical applications. We provide a comprehensive summary of the reaction mechanisms, the correlation among structure-composition-performance, manufacturing methods, system design strategies, and operation protocols of advanced PEMWEs. We also highlight the discrepancies between the critical parameters required for practical PEMWEs and those reported in the literature. Finally, we propose the potential solution to bridge the gap and enable the appreciable applications of PEMWEs. This review may provide valuable insights for research communities and industry practitioners working in these fields and facilitate the development of more cost-effective and durable PEMWE systems for a sustainable energy future.

Original languageEnglish
Pages (from-to)5652-5683
Number of pages32
JournalChemical Society Reviews
Volume52
Issue number16
DOIs
Publication statusPublished - 21 Aug 2023

ASJC Scopus subject areas

  • General Chemistry

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