reviewChemical ReviewsMar 3, 2017Closed access

Hydrocarbon-Based Polymer Electrolyte Membranes: Importance of Morphology on Ion Transport and Membrane Stability

DWDong Won ShinMDMichael D. GuiverYMYoung Moo Lee

Korea Institute of Energy Research · Hanyang University · +2 more institutions

PubMed
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Abstract

A fundamental understanding of polymer microstructure is important in order to design novel polymer electrolyte membranes (PEMs) with excellent electrochemical performance and stabilities. Hydrocarbon-based polymers have distinct microstructure according to their chemical structure. The ionic clusters and/or channels play a critical role in PEMs, affecting ion conductivity and water transport, especially at medium temperature and low relative humidity (RH). In addition, physical properties such as water uptake and dimensional swelling behavior depend strongly on polymer morphology. Over the past few decades, much research has focused on the synthetic development and microstructural characterization of…

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Topics & keywords

Topics
Keywords
  • Microstructure
  • Electrolyte
  • Chemistry
  • Polymer
  • Chemical engineering
  • Membrane
  • Electrodialysis
  • Ionic conductivity
UN Sustainable Development Goals
  • Clean water and sanitation
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