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Keywords = Al2O3 disk supported Si3N4 membrane

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9 pages, 775 KiB  
Article
Al2O3 Disk Supported Si3N4 Hydrogen Purification Membrane for Low Temperature Polymer Electrolyte Membrane Fuel Cells
by Xiaoteng Liu, Paul A. Christensen, Stephen M. Kelly, Vincent Rocher and Keith Scott
Membranes 2013, 3(4), 406-414; https://doi.org/10.3390/membranes3040406 - 5 Dec 2013
Cited by 7 | Viewed by 6911
Abstract
Reformate gas, a commonly employed fuel for polymer electrolyte membrane fuel cells (PEMFCs), contains carbon monoxide, which poisons Pt-containing anodes in such devices. A novel, low-cost mesoporous Si3N4 selective gas separation material was tested as a hydrogen clean-up membrane to [...] Read more.
Reformate gas, a commonly employed fuel for polymer electrolyte membrane fuel cells (PEMFCs), contains carbon monoxide, which poisons Pt-containing anodes in such devices. A novel, low-cost mesoporous Si3N4 selective gas separation material was tested as a hydrogen clean-up membrane to remove CO from simulated feed gas to single-cell PEMFC, employing Nafion as the polymer electrolyte membrane. Polarization and power density measurements and gas chromatography showed a clear effect of separating the CO from the gas mixture; the performance and durability of the fuel cell was thereby significantly improved. Full article
(This article belongs to the Special Issue Advancements in Membranes for Electrochemical Energy Applications)
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