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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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A stable NH4PO3-glass proton conductor for intermediate temperature fuel cells

Jiang, Yinzhu and Matthieu, Teci and Lan, Rong and Xu, Xiaoxiang and Cowin, Peter Ian and Tao, Shanwen (2011) A stable NH4PO3-glass proton conductor for intermediate temperature fuel cells. Solid State Ionics, 192 (1). pp. 108-112. ISSN 0167-2738

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Abstract

A stable and conductive composite material based on NH4PO3 and amorphous oxides (SiO2-P2O5) has been prepared by a wet-chemical route following with firing in ammonia. The composite showed high proton conductivity in both ambient air and humidified 5% H-2/Ar. A total conductivity of 6.0-19 mS/cm in the temperature range of 150-250 degrees C has been achieved. The conductivity (about 19 mS/cm) is stable in humidified 5% H-2/Ar during ageing at 175 degrees C for over 100 h. This material is a potential electrolyte for intermediate temperature fuel cells and other electrochemical devices.