Aromatic polyelectrolytes via polyacylation of pre-quaternized monomers for alkaline fuel cells

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Aromatic polyelectrolytes via polyacylation of pre-quaternized monomers for alkaline fuel cells†

To overcome alkali-resistant and synthetic hurdles to alkaline anion-exchange membranes (AAEMs) for alkaline fuel cells, the polyacylation of pre-quaternized monomers as a straightforward and versatile approach has been proposed for the first time. Via this approach, novel aromatic anion-exchange polyelectrolytes featuring a long pendent spacer (i.e., –O–(CH2)4–) instead of a conventional benzy...

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Supporting Information Aromatic polyelectrolytes via polyacylation of pre-quarternized monomers for alkaline fuel cells

Aromatic polyelectrolytes via polyacylation of pre-quarternized monomers for alkaline fuel cells Zhenghui Zhang, Liang Wu, John Varcoe, Chuanrun Li, Ai Lien Ong, Simon Poynton and Tongwen Xu* a CAS Key Laboratory of Soft Matter Chemistry, School of Chemistry and Material Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China. Fax: (+86) 0551-3601592; Tel: (+86...

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Polysulfone-based Anion Exchange Membranes for Potential Application in Solid Alkaline Fuel Cells

In present research work, anion exchange membranes based on quaternized polysulfone with ammonium cation moieties (QAPSF) were prepared by chloromethylation, amination and alkalization. The chloromethylated polysulfone were characterized by 1HNMR spectroscopy and functionalization degree was determined according to peak area integration. Ion transport properties (ionic conductivity, ion exchang...

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Study of Alkaline Electrodes for Hybrid Polymer Electrolyte Fuel Cells

Hybrid polymer electrolyte fuel cells combine a proton exchange membrane PEM and anion exchange membrane AEM and exhibit unique advantages. The electrochemical performance and current limitations of a hybrid cell with an alkaline electrode fabricated on a Nafion membrane was characterized at 70°C as a function of relative humidity. To separate the individual characteristics of the AEM anode and...

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ژورنال

عنوان ژورنال: Journal of Materials Chemistry A

سال: 2013

ISSN: 2050-7488,2050-7496

DOI: 10.1039/c2ta01178f