Hydrolytically stable polyimide ionomer for fuel cell applications

Naoki Asano, Kenji Miyatake, Masahiro Watanabe*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

144 Citations (Scopus)


Novel sulfonated polyimide ionomer-containing aliphatic groups both in the main chain and in the side chains exhibit high proton conductivity of 0.2 S cm-1 at 140 °C without being hydrolyzed for more than several hundred hours under severe humidified conditions.

Original languageEnglish
Pages (from-to)2841-2843
Number of pages3
JournalChemistry of Materials
Issue number15
Publication statusPublished - 2004 Jul 27
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry


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