Issue 13, 2024

Recent advances in key components of proton exchange membrane water electrolysers

Abstract

Proton-exchange membrane water electrolysis (PEMWE) is considered one of the most influential and practical methods for green hydrogen production with the advantages of zero carbon emission, compact structure, small footprint, high current density and high purity of hydrogen production. Although significant progress has been achieved in improving the efficiency of PEMWE, large gaps still stand in the way of its scale-up and long-term applications due to grand challenges such as expensive catalysts and durability issues in acidic media. In this paper, we focus on the advances of the latest rational design of PEMWE components to bridge the gap for their practical applications. First, the basic principle of PEMWE is introduced, its advantages and disadvantages are summarized, and PEMWE is compared with four other water electrolyzers. Highlighting the latest research progress and development status of key components for improving cell performance and reducing overall costs, such as proton membranes, catalysts, membrane electrode assemblies (MEAs), gas diffusion electrodes (GDLs), and bipolar plates (BPPs), recent total cost estimates for PEMWE are provided and analyzed. Finally, current problems and possible solutions to PEMWE are discussed. We hope this review will provide a reference for researchers and further promote the development of PEMWE.

Graphical abstract: Recent advances in key components of proton exchange membrane water electrolysers

Article information

Article type
Review Article
Submitted
31 ጃንዩ 2024
Accepted
22 ኤፕሪ 2024
First published
23 ኤፕሪ 2024

Mater. Chem. Front., 2024,8, 2493-2510

Recent advances in key components of proton exchange membrane water electrolysers

X. Li, Y. Yao, Y. Tian, J. Jia, W. Ma, X. Yan and J. Liang, Mater. Chem. Front., 2024, 8, 2493 DOI: 10.1039/D4QM00086B

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