Superprotonic KH(PO3H)–SiO2 composite electrolyte for intermediate temperature fuel cells

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Bondarenko, Alexander S. and Zhou, Weihua and Bouwmeester, Henny J.M. (2009) Superprotonic KH(PO3H)–SiO2 composite electrolyte for intermediate temperature fuel cells. Journal of Power Sources, 194 (2). pp. 843-846. ISSN 0378-7753

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Abstract:Novel thin film composite electrolyte membranes, prepared by dispersion of nano-sized SiO2 particles in the solid acid compound KH(PO3H), can be operated under both oxidizing and reducing conditions. Long-term stable proton conductivity is observed at not, vert, similar140 °C, i.e., slightly above the superprotonic phase transition temperature of KH(PO3H), under conditions of relatively low humidification (pH2O ≈ 0.02 atm).
Item Type:Article
Copyright:© 2009 Elsevier
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/71865
Official URL:http://dx.doi.org/10.1016/j.jpowsour.2009.06.001
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