Overview of Anion Exchange Membranes Based on Ring Opening Metathesis Polymerization (ROMP)

Zhenfeng He, Guoqing Wang, Chao Wang, Li Guo, Renbo Wei, Gang Song, Duo Pan, Rajib Das, Nithesh Naik, Zhuolin Hu, Zhanhu Guo

Research output: Contribution to journalReview articlepeer-review

Abstract

With very fast polymerization in mild reaction conditions and unique characteristic of double bonds in its synthesized polymer skeleton for further modification and functionalization, ring opening metathesis polymerization (ROMP) becomes one typical processing method to obtain anion exchange membrane (AEM) for fuel cells. In this paper, AEMs prepared by ROMP are reviewed. Polycyclooctene and polynorbornene AEMs with both good stability and high conductivity are achieved with different ion exchange groups such as quaternary ammonium, phosphorus and metal cations (such as bis(terpyridine)-ruthenium(II) and cobaltocenium). Polymer structure and ion channels are mainly constructed in the polymer skeleton to form the “ion channel” microphase-separated structure to improve its chemical stability and ionic conductivity. On the basis of selected ion exchange groups and optimized polymer skeleton, performances obtained in these ion exchange membranes (IEMs) and their corresponding fuel cell performances are summarized. These polycyclooctene and polynorbornene AEMs have excellent properties and promising performances in fuel cells. We believe that further exploration of this class of AEM may lead to practical applications.

Original languageEnglish
JournalPolymer Reviews
DOIs
Publication statusAccepted/In press - 2021

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Biomedical Engineering
  • Polymers and Plastics
  • Materials Chemistry
  • Electrical and Electronic Engineering

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