High-performance ionomer-free gas diffusion cathodes with low Pt loading for proton exchange membrane water electrolysis.

Mingliang Chen, Peter M Piechulla, Alexandros Mantzanas, Mena-Alexander Kräenbring, Fatih Özcan, Doris Segets, J Ruud van Ommen

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Article in Communications materials, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Mingliang ChenDepartment of Chemical Engineering, Delft University of Technology, 2629 HZ Delft, The Netherlands.ORCID 0000-0002-2385-3490

Peter M PiechullaDepartment of Chemical Engineering, Delft University of Technology, 2629 HZ Delft, The Netherlands.

Alexandros MantzanasDepartment of Chemical Engineering, Delft University of Technology, 2629 HZ Delft, The Netherlands.

Mena-Alexander KräenbringInstitute for Energy and Materials Processes - Particle Science and Technology, Universität Duisburg-Essen, 47057 Duisburg, Germany.

Fatih ÖzcanInstitute for Energy and Materials Processes - Particle Science and Technology, Universität Duisburg-Essen, 47057 Duisburg, Germany.ORCID 0000-0002-2584-7000

Doris SegetsInstitute for Energy and Materials Processes - Particle Science and Technology, Universität Duisburg-Essen, 47057 Duisburg, Germany.ORCID 0000-0003-3102-2934

J Ruud van OmmenDepartment of Chemical Engineering, Delft University of Technology, 2629 HZ Delft, The Netherlands.

Funding

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6 · The paper itself

Abstract

Platinum (Pt) is recognized as the most active material for the hydrogen evolution reaction in acidic media; however, its catalytic activity is often underestimated in proton exchange membrane water electrolysis (PEMWE) due to poor utilization of the cathode catalyst layer. In this study, we present the synthesis, characterization, and application of Pt nanoparticles with atomic precision on a microporous-layer-coated gas diffusion layer for PEMWE. The Pt nanoparticles were synthesized via atomic layer deposition, a technique that enables precise control over loading and particle size at the atomic scale. The resulting gas diffusion electrode with an exceptionally low platinum loading (1.08-5.40 μg cm

Indexed as

Hydrogen energyNanoparticles

Identifiers

PMID41717594

DOI10.1038/s43246-026-01076-2

PMCPMC12913019

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