Durability Issues and Status of PBI-Based Fuel Cells

Mark Tonny Dalsgaard Jakobsen, Jens Oluf Jensen, Lars Nilausen Cleemann, Qingfeng Li

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This chapter briefly reviews durability and stability issues with key materials and components for HT-PEMFCs, including the polymer membrane, the doping acid, the electrocatalyst, the catalyst support and bipolar plates. Degradation mechanisms and their dependence on fuel cell operating conditions are summarized as well. To date, lifetimes of this type of fuel cells of up to 18,000 h with degradation rates of around 5 μV/h at temperatures of 150–160 °C have been demonstrated using hydrogen and air under constant moderate load. However, the degradation rate increases by a factor 10 when the cell is exposed to start-up–shutdown or load cycling.
Original languageEnglish
Title of host publicationHigh Temperature Polymer Electrolyte Membrane Fuel Cells : Approaches, Status, and Perspectives
EditorsQingfeng Li, David Aili, Hans Aage Hjuler, Jens Oluf Jensen
Number of pages23
Place of PublicationSwitzerland
Publication date2016
ISBN (Print)978-3-319-17081-7
ISBN (Electronic)978-3-319-17082-4
Publication statusPublished - 2016


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