The effect of crosslinked networks with poly(ethylene glycol) on sulfonated polyimide for polymer electrolyte membrane fuel cell

Seung Jin Yang, Wonbong Jang, Choonkeun Lee, Yong Gun Shul, Haksoo Han

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)

Abstract

The effect of crosslinking by a hydrophilic group on a sulfonated polyimide electrolyte membrane fuel cell, was investigated. The sulfonated polyimides end-capped with maleic anhydride were self-crosslinked with poly(ethylene glycol) diacrylate. It was observed that thermal stability was good for all the sulfonated polyimides that exhibited a three-step degradation pattern. The results show that the proton conductivity of the crosslinked sulfonated polyimides with poly(ethylene glycol) diacrylate increased with the increase in poly(ethylene glycol) diacrylate despite the fact that the ion exchange capacity was decreased.

Original languageEnglish
Pages (from-to)1455-1464
Number of pages10
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume43
Issue number12
DOIs
Publication statusPublished - 2005 Jun 15

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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