Polymer and Composite Membranes for Proton-Conducting, High-Temperature Fuel Cells: A Critical Review
Department of Chemistry of University of Pavia and INSTM, Via Taramelli 12, 27100 Pavia, Italy
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Materials 2017, 10(7), 687; https://doi.org/10.3390/ma10070687
Received: 6 April 2017 / Revised: 22 May 2017 / Accepted: 14 June 2017 / Published: 22 June 2017
(This article belongs to the Special Issue Advanced Materials in Polymer Electrolyte Fuel Cells)
Polymer fuel cells operating above 100 °C (High Temperature Polymer Electrolyte Membrane Fuel Cells, HT-PEMFCs) have gained large interest for their application to automobiles. The HT-PEMFC devices are typically made of membranes with poly(benzimidazoles), although other polymers, such as sulphonated poly(ether ether ketones) and pyridine-based materials have been reported. In this critical review, we address the state-of-the-art of membrane fabrication and their properties. A large number of papers of uneven quality has appeared in the literature during the last few years, so this review is limited to works that are judged as significant. Emphasis is put on proton transport and the physico‐chemical mechanisms of proton conductivity.
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Keywords:
fuel cells; high temperature; membrane; polymer; PBI
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MDPI and ACS Style
Quartarone, E.; Angioni, S.; Mustarelli, P. Polymer and Composite Membranes for Proton-Conducting, High-Temperature Fuel Cells: A Critical Review. Materials 2017, 10, 687.
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