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001048575 1001_ $$0P:(DE-Juel1)196067$$aFröhlich, Kristina$$b0
001048575 1112_ $$aINTERNATIONAL SCHOOL OF ELECTROCATALYSIS 2025 - ISECAT$$cPadova$$d2025-07-23 - 2025-07-25$$wItaly
001048575 245__ $$aAnode catalyst layer composition for PEM Electrolysis: An in-depth electrochemical analysis
001048575 260__ $$c2025
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001048575 520__ $$aProton exchange membrane (PEM) water electrolysis is a technology for large-scale hydrogen production.[1,2] The oxygen evolution reaction (OER) at the membrane electrode assembly (MEA) is the rate determining step dominating the overall cell performance. The choice of the OER catalyst and deposition procedure significantly affect the reaction kinetics, chemical stability and electronic conductivity.[3] To maintain a high and long-term consistent cell performance, manufacturing and performance control of the MEA is indispensable.Electrochemical analysis is a powerful tool for MEA evaluation providing information about catalytic activity, kinetics and electrochemically active surface area (ECSA). In addition, scanning electrochemical microscopy and eddy current measurements give insights into the micro- and macroscopic homogeneity of catalyst layers and MEAs.[4,5]In this study, we clarify the significance of electronic conductivity focusing on Ir-based anodes of customized MEAs. The effect of catalyst material and loading on the in-plane MEA resistance, OER performance and ECSA was investigated.Funding: This work was financially supported by the Bundesministerium für Bildung und Forschung (BMBF): Wasserstoff - Leitprojekt H2Giga, Teilvorhaben DERIEL (project number 03HY122C), SEGIWA (project number 03HY121B).[1] A. S. Aricò et al (2013) Appl. Electrochem. 43 107, DOI 10.1007/s10800-012-0490-5[2] T. Wang et al (2022) Carbon Neutr. 1 21, DOI 0.1007/s43979-022-00022-8[3] S. Mo et al (2023) Electrochem. Energy Rev. 6 28, DOI 0.1007/s41918-023-00190-w[4] D. Polcari et al (2016) Chem. Rev. 116 13234, DOI 10.1021/acs.chemrev.6b00067[5] G. Belkacem et al (2024) 24 1629, DOI 10.3390/s24051629
001048575 536__ $$0G:(DE-HGF)POF4-1231$$a1231 - Electrochemistry for Hydrogen (POF4-123)$$cPOF4-123$$fPOF IV$$x0
001048575 7001_ $$0P:(DE-Juel1)201441$$aLiu, Jialiang$$b1$$ufzj
001048575 7001_ $$0P:(DE-Juel1)200266$$aHilche, Tobias$$b2
001048575 7001_ $$0P:(DE-Juel1)201601$$aBartoli, Francesco$$b3
001048575 7001_ $$0P:(DE-Juel1)191359$$aKarl, André$$b4
001048575 7001_ $$0P:(DE-Juel1)161579$$aJodat, Eva$$b5
001048575 7001_ $$0P:(DE-Juel1)156123$$aEichel, Rüdiger-A.$$b6$$ufzj
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