Nafion/histidine functionalized carbon nanotube: High-performance fuel cell membranes |
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| Authors: | Mahsa S Asgari Manouchehr Nikazar Payam Molla-abbasi Mohammad Mahdi Hasani-Sadrabadi |
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| Affiliation: | 1. Department of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran;2. Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran;3. Laboratoire de Microsystemes (LMIS4), Institute of Microengineering, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland |
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| Abstract: | Here we show preparation and characterization of a new type of composite membrane based on Nafion®/histidine modified carbon nanotube by imidazole groups (Im-CNT), for direct methanol fuel cell (DMFC) applications. Due to the presence of this imidazole-based amino acid on the surface of CNT, new electrostatic interactions can be formed in the interface of Nafion® and Im-CNT. Physical characteristics of these nanocomposite membranes are investigated by water uptake, methanol permeability, ion exchange capacity, proton conductivity, as well as fuel cell performance results. |
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| Keywords: | Direct methanol fuel cell Nanocomposite proton exchange membranes Imidazole functionalized carbon nanotube Fuel cell efficiency |
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