Hydrocarbon-Based Polymer Electrolyte Membranes: Importance of Morphology on Ion Transport and Membrane Stability
- Authors
- Shin, Dong Won; Guiver, Michael D.; Lee, Young Moo
- Issue Date
- Mar-2017
- Publisher
- AMER CHEMICAL SOC
- Citation
- CHEMICAL REVIEWS, v.117, no.6, pp.4759 - 4805
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMICAL REVIEWS
- Volume
- 117
- Number
- 6
- Start Page
- 4759
- End Page
- 4805
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/133943
- DOI
- 10.1021/acs.chemrev.6b00586
- ISSN
- 0009-2665
- 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 hydrocarbon-based PEM materials. Furthermore, blends, composites, pressing, shear field, electrical field, surface modification, and cross-linking have also been shown to be effective approaches to obtain/maintain well-defined PEM microstructure. This review summarizes recent work on developments in advanced PEMs with various chemical structures and architecture and the resulting polymer microstructures and morphologies that arise for potential application in fuel cell, lithium ion battery, redox flow battery, actuators, and electrodialysis.
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