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Materials 2017, 10(3), 303; doi:10.3390/ma10030303

Novel PEFC Application for Deuterium Isotope Separation

Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Sapporo, Hokkaido 060-8628, Japan
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Academic Editors: Vincenzo Baglio and David Sebastián
Received: 18 February 2017 / Revised: 14 March 2017 / Accepted: 15 March 2017 / Published: 16 March 2017
(This article belongs to the Special Issue Advanced Materials in Polymer Electrolyte Fuel Cells)
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Abstract

The use of a polymer electrolyte fuel cell (PEFC) with a Nafion membrane for isotopic separation of deuterium (D) was investigated. Mass analysis at the cathode side indicated that D diffused through the membrane and participated in an isotope exchange reaction. The exchange of D with protium (H) in H2O was facilitated by a Pt catalyst. The anodic data showed that the separation efficiency was dependent on the D concentration in the source gas, whereby the water produced during the operation of the PEFC was more enriched in D as the D concentration of the source gas was increased. View Full-Text
Keywords: hydrogen isotope separation; fuel cell; CEFC; isotope exchange reaction hydrogen isotope separation; fuel cell; CEFC; isotope exchange reaction
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Matsushima, H.; Ogawa, R.; Shibuya, S.; Ueda, M. Novel PEFC Application for Deuterium Isotope Separation. Materials 2017, 10, 303.

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