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Membranes 2013, 3(4), 406-414; doi:10.3390/membranes3040406
Article

Al2O3 Disk Supported Si3N4 Hydrogen Purification Membrane for Low Temperature Polymer Electrolyte Membrane Fuel Cells

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Received: 26 November 2013 / Accepted: 2 December 2013 / Published: 5 December 2013
(This article belongs to the Special Issue Advancements in Membranes for Electrochemical Energy Applications)
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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 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.
Keywords: Al2O3 disk supported Si3N4 membrane; hydrogen purification; CO removal; fuel cells; Pt catalyst Al2O3 disk supported Si3N4 membrane; hydrogen purification; CO removal; fuel cells; Pt catalyst
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Liu, X.; Christensen, P.A.; Kelly, S.M.; Rocher, V.; Scott, K. Al2O3 Disk Supported Si3N4 Hydrogen Purification Membrane for Low Temperature Polymer Electrolyte Membrane Fuel Cells. Membranes 2013, 3, 406-414.

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