Synthesis and characterization of new membranes deriving from sulfonated polyethersulfone for PEMFC applications
作者： W. Mabrouk , L. Ogier , C. Sollogoub , S. Vidal , F. Matoussi
DOI: 10.1080/19443994.2015.1024939
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摘要: AbstractTwo new types of proton exchange membranes used in membrane fuel cell (PEMFC) were synthesized from sulfochlorinated polyethersulfone (PES (polyarylethersulfone)–SO2Cl). One, called S-PESB, was obtained by grafting butylphenol an amount 0.3 equivalent per monomer unit. The second (S-PESTD) prepared cross-linking with 0.1 4,7,10-trioxa-1,13-tridecandiamine. Analysis thermal properties (thermogravimetric analysis and DSA) mechanical testing (dynamical thermomechanical analysis) the two showed a significant improvement comparison unmodified sulfonic acid (S-PES). Thus, lowering glass transition temperature observed. In addition, comparative study carried out commercial Nafion® gave very similar values ionic conductivity high selectivity transport. A preliminary electrochemical membrane/electrode assembly has shown that elaborated memb...
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