A rapid mechanical durability test for reinforced fuel cell membranes
An in situ accelerated mechanical stress test (ΔP-AMST) that applies relative humidity (RH) cycling combined with a pressure differential (ΔP) at a high temperature is proposed to accelerate mechanical degradation in all types of reinforced membranes used in fuel cells and obtain mechanical failure...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2020-04-01
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| Series: | Journal of Power Sources Advances |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S266624852030010X |
| _version_ | 1818844621267009536 |
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| author | Alireza Sadeghi Alavijeh Sandeep Bhattacharya Owen Thomas Carmen Chuy Erik Kjeang |
| author_facet | Alireza Sadeghi Alavijeh Sandeep Bhattacharya Owen Thomas Carmen Chuy Erik Kjeang |
| author_sort | Alireza Sadeghi Alavijeh |
| collection | DOAJ |
| description | An in situ accelerated mechanical stress test (ΔP-AMST) that applies relative humidity (RH) cycling combined with a pressure differential (ΔP) at a high temperature is proposed to accelerate mechanical degradation in all types of reinforced membranes used in fuel cells and obtain mechanical failure in a relatively short time. For validation, ePTFE reinforced membranes are mechanically degraded by RH cycling accelerated by means of a ΔP applied from cathode to anode using a custom designed polycarbonate spacer. Reinforced membrane failure detected by ΔP loss is reached within ∼10 to 10,000 RH cycles using this method, depending on the level of applied ΔP. The ΔP-AMST protocol is hence demonstrated as a fast, economical in situ alternative compared to existing methods for evaluating the mechanical fatigue durability of advanced fuel cell membranes. |
| first_indexed | 2024-12-19T05:16:40Z |
| format | Article |
| id | doaj.art-1de7188d3b104c6390ac9126c2e8cce0 |
| institution | Directory Open Access Journal |
| issn | 2666-2485 |
| language | English |
| last_indexed | 2024-12-19T05:16:40Z |
| publishDate | 2020-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Power Sources Advances |
| spelling | doaj.art-1de7188d3b104c6390ac9126c2e8cce02022-12-21T20:34:38ZengElsevierJournal of Power Sources Advances2666-24852020-04-012100010A rapid mechanical durability test for reinforced fuel cell membranesAlireza Sadeghi Alavijeh0Sandeep Bhattacharya1Owen Thomas2Carmen Chuy3Erik Kjeang4School of Mechatronic Systems Engineering, Simon Fraser University, 250-13450 102 Avenue, Surrey, BC, V3T 0A3, CanadaSchool of Mechatronic Systems Engineering, Simon Fraser University, 250-13450 102 Avenue, Surrey, BC, V3T 0A3, CanadaAutomotive Fuel Cell Cooperation (AFCC), 9000 Glenlyon Parkway, Burnaby, BC, V5J 5J8, CanadaAutomotive Fuel Cell Cooperation (AFCC), 9000 Glenlyon Parkway, Burnaby, BC, V5J 5J8, CanadaSchool of Mechatronic Systems Engineering, Simon Fraser University, 250-13450 102 Avenue, Surrey, BC, V3T 0A3, Canada; Corresponding author.An in situ accelerated mechanical stress test (ΔP-AMST) that applies relative humidity (RH) cycling combined with a pressure differential (ΔP) at a high temperature is proposed to accelerate mechanical degradation in all types of reinforced membranes used in fuel cells and obtain mechanical failure in a relatively short time. For validation, ePTFE reinforced membranes are mechanically degraded by RH cycling accelerated by means of a ΔP applied from cathode to anode using a custom designed polycarbonate spacer. Reinforced membrane failure detected by ΔP loss is reached within ∼10 to 10,000 RH cycles using this method, depending on the level of applied ΔP. The ΔP-AMST protocol is hence demonstrated as a fast, economical in situ alternative compared to existing methods for evaluating the mechanical fatigue durability of advanced fuel cell membranes.http://www.sciencedirect.com/science/article/pii/S266624852030010XFuel cellMembraneStressFatigueDurabilityRelative humidity |
| spellingShingle | Alireza Sadeghi Alavijeh Sandeep Bhattacharya Owen Thomas Carmen Chuy Erik Kjeang A rapid mechanical durability test for reinforced fuel cell membranes Journal of Power Sources Advances Fuel cell Membrane Stress Fatigue Durability Relative humidity |
| title | A rapid mechanical durability test for reinforced fuel cell membranes |
| title_full | A rapid mechanical durability test for reinforced fuel cell membranes |
| title_fullStr | A rapid mechanical durability test for reinforced fuel cell membranes |
| title_full_unstemmed | A rapid mechanical durability test for reinforced fuel cell membranes |
| title_short | A rapid mechanical durability test for reinforced fuel cell membranes |
| title_sort | rapid mechanical durability test for reinforced fuel cell membranes |
| topic | Fuel cell Membrane Stress Fatigue Durability Relative humidity |
| url | http://www.sciencedirect.com/science/article/pii/S266624852030010X |
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