ArticleScientific reports2018
Guided cracking of electrodes by stretching prism-patterned membrane electrode assemblies for high-performance fuel cells.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Electrode Structuring via Carbon Nanotubes and Nafion Ionomer-Coated TiOSmall (Weinheim an der Bergstrasse, Germany) · 2025Article
- Preparation, Performance and Challenges of Catalyst Layer for Proton Exchange Membrane Fuel Cell.Membranes · 2021Review
- Influence of the Catalyst Layer Structure Formed by Inkjet Coating Printer on PEFC Performance.Polymers · 2021Article
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Authors and funding
8 authors.
Funding
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Abstract
Guided cracks were successfully generated in an electrode using the concentrated surface stress of a prism-patterned Nafion membrane. An electrode with guided cracks was formed by stretching the catalyst-coated Nafion membrane. The morphological features of the stretched membrane electrode assembly (MEA) were investigated with respect to variation in the prism pattern dimension (prism pitches of 20 μm and 50 μm) and applied strain (S ≈ 0.5 and 1.0). The behaviour of water on the surface of the cracked electrode was examined using environmental scanning electron microscopy. Guided cracks in the electrode layer were shown to be efficient water reservoirs and liquid water passages. The MEAs with and without guided cracks were incorporated into fuel cells, and electrochemical measurements were conducted. As expected, all MEAs with guided cracks exhibited better performance than conventional MEAs, mainly because of the improved water transport.
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Registered trials
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