期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 36, 期 12, 页码 7291-7302出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2011.03.056
关键词
Quaternized polysulfone; Alkaline membrane fuel cell; Zirconia; Composite membrane; Transmission electron microscopy
资金
- Department of Science and Technology (DST), New Delhi, India [SR/S2/CMP-06/2008]
A novel composite anion exchange membrane, zirconia incorporated quaternized polysulfone (designated as QPSU/ZrO2), is prepared by solution casting method. The characteristic properties of the QPSU/ZrO2 composite polymer membranes are investigated by thermogravimetric analysis, X-ray diffraction and electrochemical impedance spectroscopy. The morphology of the composite membrane is observed by SEM and TEM studies. A study of an alkaline membrane fuel cell (AMFC) operating with hydroxide ion conducting membrane is reported. Evaluation of the fuel cell is performed using membrane electrode assemblies made up of carbon supported platinum (Vulcan XC-72) anode and platinum cathode catalysts and QPSU/ZrO2 composite membrane. Experimental results indicate that the AMFC employing a cheap non-perflourinated (QPSU/ZrO2) composite polymer membrane shows better electrochemical performance. The maximum power density observed is 250 mW/cm(2) for QPSU/10% ZrO2 at 60 degrees C. The QPSU/ZrO2 composite membrane constitutes a good candidate for alkaline membrane fuel cell applications. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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