Synthesis and anion conductivity of anion-exchange membrane with fused expanded pyridinium structure as cationic moiety

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Abstract

We develop a cationic polymer that contains a fused expanded pyridinium (FEP) moiety with a large planar π-conjugated system. This new FEP monomer is synthesized via photochemical pericondensation of a bromo-substituted FEP precursor, and subsequent introduction of the vinyl group. The polymers show a conductivity of 55.2 and 23.7mScm11 at 80% relative humidity and 80°C for OH1 and Cl1 forms, respectively. Weak interactions between the FEP cation and anions might be the reason for high anion conductivity.

Original languageEnglish
Pages (from-to)1504-1507
Number of pages4
JournalChemistry Letters
Volume50
Issue number8
DOIs
Publication statusPublished - Aug 2021

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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