Polymer Electrolytes with High Ionic Concentration for Fuel Cells and Electrolyzers

As fuel cells and electrolyzers require higher performance and durability, the design aspects of polymer electrolytes continue to evolve. One distinctive trend in achieving a remarkably improved performance of electrochemical devices is to equip polymer electrolytes with high ionic concentration. Th...

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Bibliographic Details
Published in:ACS applied polymer materials 2021-02, Vol.3 (3)
Main Author: Kim, Yu Seung
Format: Article
Language:English
Subjects:
30 DIRECT ENERGY CONVERSION
Alkaline anion exchange membrane fuel cells
Energy Sciences
Ion exchange capacity
MATERIALS SCIENCE
Polymer electrolytes
Proton exchange membrane fuel cells
Water electrolysis
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Summary:As fuel cells and electrolyzers require higher performance and durability, the design aspects of polymer electrolytes continue to evolve. One distinctive trend in achieving a remarkably improved performance of electrochemical devices is to equip polymer electrolytes with high ionic concentration. This Review presents recent implementations of polymer electrolytes with a high ionic concentration in electrochemical devices. The synthetic approaches, benefits in device performance, challenges, and prospects of polymer electrolytes are summarized. The goal of this article is to explain the working principles of polymer electrolytes with a high acid concentration in high-performing fuel cells and electrolyzers, to survey recent achievements, and to address remaining technical issues. As well as informing polymer scientists, this Review may generate interest in the broader community of emerging fields to make use of these promising materials in tackling tough scientific challenges.
ISSN:2637-6105
2637-6105