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Low-temperature operation of H2/O2 fuel cells using proton-conducting glasses containing heteropolyacid

Low-temperature operation of H2/O2 fuel cells using proton-conducting glasses containing... Proton-conducting glasses doped with heteropolyacid were synthesized, and their structural characterization has been investigated. The structural analysis shows that proton-conducting glasses have been thermally, chemically, and mechanically stable. The average pore size (∼2–3 nm) and specific surface areas were investigated by the BET method. The phosphotungstic acid based on glasses as electrolyte showed better electrochemical behavior at low temperature. The maximum power density value of 15.5 mW/cm2 was achieved with H2 fed in anode and O2 fed in cathode sides. Fuel-cell performance at 30 °C under humidified condition is expressed as both maximum power density and current density by electrochemical behavior. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ionics Springer Journals

Low-temperature operation of H2/O2 fuel cells using proton-conducting glasses containing heteropolyacid

Uma, T.; Nogami, M.
Ionics , Volume 12 (2) – Jun 8, 2006
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References (19)

Publisher
Springer Journals
Copyright
Copyright © 2006 by Springer-Verlag
Subject
Chemistry; Electrochemistry; Renewable and Green Energy; Optical and Electronic Materials; Condensed Matter Physics; Energy Storage
ISSN
0947-7047
eISSN
1862-0760
DOI
10.1007/s11581-006-0025-3
Publisher site
See Article on Publisher Site

Abstract

Proton-conducting glasses doped with heteropolyacid were synthesized, and their structural characterization has been investigated. The structural analysis shows that proton-conducting glasses have been thermally, chemically, and mechanically stable. The average pore size (∼2–3 nm) and specific surface areas were investigated by the BET method. The phosphotungstic acid based on glasses as electrolyte showed better electrochemical behavior at low temperature. The maximum power density value of 15.5 mW/cm2 was achieved with H2 fed in anode and O2 fed in cathode sides. Fuel-cell performance at 30 °C under humidified condition is expressed as both maximum power density and current density by electrochemical behavior.

Journal

Ionics – Springer Journals

Published: Jun 8, 2006

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