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Corrosion of structural components of proton exchange membrane water electrolyzer anodes: A review
RISE Research Institutes of Sweden, Materials and Production, Corrosion. (Institut de la Corrosion)ORCID iD: 0000-0003-0964-4024
2023 (English)In: Journal of Power Sources, ISSN 0378-7753, E-ISSN 1873-2755, Vol. 556, article id 232469Article, review/survey (Refereed) Published
Abstract [en]

Proton exchange membrane (PEM) water electrolysis is one of the low temperature processes for producing green hydrogen when coupled with renewable energy sources. Although this technology has already reached a certain level of maturity and is being implemented at industrial scale, its high capital expenditures deriving from the utilization of expensive corrosion-resistant materials limit its economic competitiveness compared to the widespread fossil fuel-based hydrogen production, such as steam reforming. In particular, the structural elements, like bipolar plates (BPP) and porous transports layers (PTL), are essentially made of titanium protected by precious metal layers in order to withstand the harsh oxidizing conditions in the anode compartment. This review provides an analysis of literature on structural element degradation on the oxygen side of PEM water electrolyzers, from the early investigations to the recent developments involving novel anti-corrosion coatings that protect more cost-effective BPP and PTL materials like stainless steels. © 2022 The Author

Place, publisher, year, edition, pages
Elsevier B.V. , 2023. Vol. 556, article id 232469
Keywords [en]
Bipolar plates, Coatings, Corrosion, Porous transport layers, Proton exchange membrane water electrolysis, Anodes, Competition, Corrosion resistance, Cost effectiveness, Electrolysis, Electrolytic cells, Fossil fuels, Hydrogen production, Plates (structural components), Proton exchange membrane fuel cells (PEMFC), Renewable energy resources, Steam reforming, Steel corrosion, Temperature, Bipolar-plates, Low- temperature process, Proton exchange membrane water electrolyse, Proton exchange membranes, Renewable energy source, Structural component, Structural elements, Water electrolysis, Water electrolyzer, Corrosion resistant coatings
National Category
Corrosion Engineering
Identifiers
URN: urn:nbn:se:ri:diva-62565DOI: 10.1016/j.jpowsour.2022.232469Scopus ID: 2-s2.0-85143673770OAI: oai:DiVA.org:ri-62565DiVA, id: diva2:1729762
Note

Funding details: Université de Lorraine, UL; Funding text 1: Dr. G. Maranzana (University of Lorraine) and Dr. C. Boissy (M.E.C.M. – Materials Engineering & Corrosion Management) are thanked for fruitful discussions on PEM water electrolyzers and corrosion behavior of stainless steels.

Available from: 2023-01-23 Created: 2023-01-23 Last updated: 2023-05-25Bibliographically approved

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Prestat, Michel

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