Directly coated membrane electrode assemblies for proton exchange membrane water electrolysis

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Abstract: We present a novel membrane electrode assembly (MEA) fabrication method for proton exchange membrane water electrolysis (PEMWE). Inspired by previous work on PEM fuel cells (PEMFCs), we fabricated PEMWE-MEAs via direct membrane deposition (DMD). DMD-MEAs were fabricated by spray coating the membrane directly onto the cathode electrode – in this case, a carbon cloth substrate with microporous layer coated with Pt/C. The complete DMD-MEAs consisted of the membrane-cathode compound assembled with an anode electrode, which is a porous titanium fiber substrate coated with IrO2. Polarization experiments of DMD-MEAs show promising results: In comparison to a reference catalyst coated membrane (CCM) and a porous transport electrode (PTE) type MEA using a freestanding Nafion 117 membrane, we found very good electrochemical performances for DMD-MEAs. DMD-MEAs show slightly higher activation losses than the reference CCM. However, DMD-MEAs seem to exhibit reduced ohmic and mass transport losses compared to those manufactured using the CCM approach. Compared to the PTE-type reference DMD shows improvements for all three loss mechanisms. Similar as for PEMFCs, DMD may allow for a simplified fabrication route and higher degree of design freedom in PEMWE-MEA manufacturing due to the simple layer by layer fabrication approach

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Notes: Electrochemistry communications. - 110 (2020) , 106640, ISSN: 1388-2481

Event: Veröffentlichung

(where): Freiburg

(who): Universität

(when): 2024

Creator: Holzapfel, Peter
Bühler, Melanie
Pham, Chuyen Van
Hegge, Friedemann
Böhm, Thomas
McLaughlin, David
Breitwieser, Matthias
Thiele, Simon

DOI: 10.1016/j.elecom.2019.106640

URN: urn:nbn:de:bsz:25-freidok-2597531

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:34 AM CEST

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Associated

Holzapfel, Peter
Bühler, Melanie
Pham, Chuyen Van
Hegge, Friedemann
Böhm, Thomas
McLaughlin, David
Breitwieser, Matthias
Thiele, Simon
Universität

Time of origin

2024

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Toward Understanding Catalyst Layer Deposition Processes and Distribution in Anodic Porous Transport Electrodes in Proton Exchange Membrane Water Electrolyzers

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Directly coated membrane electrode assemblies for proton exchange membrane water electrolysis

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Other Objects (12)

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Characterization of membrane electrode assemblies for vanadium redox flow batteries

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Morphology analysis and development of electrodes for polymer electrolyte membrane water electrolyzers and fuel cells

Toward Understanding Catalyst Layer Deposition Processes and Distribution in Anodic Porous Transport Electrodes in Proton Exchange Membrane Water Electrolyzers

Tomographic reconstruction of polymer electrolyte membrane fuel cell cathode catalyst layers

Novel polymer electrolyte membrane compositions for electrolysis and fuel cell systems

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Characterization of membrane electrode assemblies for vanadium redox flow batteries

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Desing, Simulation und Prozessoptimierung für das 3D-Laserdirektschreiben von Mikrooptiken

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Toward Understanding Catalyst Layer Deposition Processes and Distribution in Anodic Porous Transport Electrodes in Proton Exchange Membrane Water Electrolyzers

Tomographic reconstruction of polymer electrolyte membrane fuel cell cathode catalyst layers

Novel polymer electrolyte membrane compositions for electrolysis and fuel cell systems

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Characterization of membrane electrode assemblies for vanadium redox flow batteries

Evaluation of the Efficiency of an Elevated Temperature Proton Exchange Membrane Water Electrolysis System

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