Effect of Recombination Catalyst Loading in PEMWE Membranes on Anodic Hydrogen Content Reduction

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Abbas, D.; Martin, A.; Trinke, P.; Bierling, M.; Bensmann, B. et al.: Effect of Recombination Catalyst Loading in PEMWE Membranes on Anodic Hydrogen Content Reduction. In: Journal of The Electrochemical Society 169 (2022), Nr. 12, 124514. DOI: https://doi.org/10.1149/1945-7111/aca6a0

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Abstract: 
Integrating platinum-based recombination catalysts into proton exchange membrane water electrolysis systems effectively reduces the anodic hydrogen content. We studied the effect of the platinum loading of an interlayer close to the anode within the membrane on the anodic hydrogen in oxygen content. For the investigated Pt-loadings between 1 μgPt cm−2 and 140 μgPt cm−2, the results revealed that for a 110 μm membrane, 7 μgPt cm−2 were sufficient to allow a safe operation at cathode pressures up to 10 bar. A further increase of the Pt-loading did not significantly improve the reduction of the anodic hydrogen in oxygen content.
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2022
Appears in Collections:Fakultät für Elektrotechnik und Informatik

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1 image of flag of Germany Germany 17 65.38%
2 image of flag of United States United States 7 26.92%
3 image of flag of No geo information available No geo information available 1 3.85%
4 image of flag of China China 1 3.85%

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