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Modeling the Flow Behavior of Catalyst Inks for PEM Fuel Cells by an Evolutionary Algorithm

  • The catalyst coated membrane represents the heart of a polymer electrolyte fuel cell (PEMFC) and is produced by directly applying a catalyst suspension on the membrane or a decal transfer foil. Understanding the rheology of catalyst inks is crucial to optimize the printed microstructure of the catalyst layer and hence the performance of the fuel cell. The suspension consists of platinum on carbon powder, ionomer dispersion (perfluorosulfonic acid ionomer) and solvents. Its rheology is directly affected by various material properties of all ink components. Therefore, measuring the flow curves represents a suitable tool for quality control at the beginning of the production line.

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Author:Linda Ney, Rajveer Singh, Nathalie Göttlicher, Hoang-Phuong Le, Sebastian Tepner, Matthias Klingele, Roman Keding, Florian Clement
DOI:https://doi.org/10.13140/RG.2.2.20968.19209
Parent Title (English):Annual European Rheology Conference 2021
Document Type:conference proceeding (presentation)
Conference:14th Annual European Rheology Conference, April 13-15, 2021, online
Language:English
Year of first Publication:2021
Number of pages:24 Folien
Institutes:Fakultät Maschinenbau
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften
Open Access:open_access
Research focus:FSP2: Mobilität
Publication Lists:Klingele, Matthias
Publication reviewed:nicht begutachtet
Release Date:2023/07/26
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