Study of Ion Transport in Novel Protic Polymerized Ionic Liquids and Composites

Gongyue Huang, Haijin Zhu*, Luca Porcarelli, Yady García, Luke A. O'Dell, Maria Forsyth*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


In this work, a novel protic polymerized ionic liquid [PSTFSI][Im] is synthesized. The [PSTFSI][Im] polymer presents moderate ionic conductivity and evidences proton activity. Incorporating protic ionic liquid (Protic IL) [MIm][TFSI], the composites present enhanced ionic conductivity, up to 10−3 S cm−1 at 120 °C upon addition of 60 wt% [MIm][TFSI]. It is found that the [PSTFSI][Im] polymer matrix can promote ion dissociation of the [MIm][TFSI] IL, leading to a larger cation/anion relative mobility compared to the neat Protic IL. This work demonstrates the potential of protic PolyIL as a polymer matrix for proton conductors.

Original languageEnglish
Article number2200124
JournalMacromolecular Chemistry and Physics
Issue number17
StatePublished - Sep 2022
Externally publishedYes


  • composites
  • ion transport
  • polymerized ionic liquids


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