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Aryl ether-free polymer electrolytes for electrochemical and energy devices

Park, Eun Joo ; Jannasch, Patric LU orcid ; Miyatake, Kenji ; Bae, Chulsung ; Noonan, Kevin ; Fujimoto, Cy ; Holdcroft, Steven ; Varcoe, John R. ; Henkensmeier, Dirk and Guiver, Michael D. , et al. (2024) In Chemical Society Reviews 53(11). p.5704-5780
Abstract
Anion exchange polymers (AEPs) play a crucial role in green hydrogen production through anion exchange membrane water electrolysis. The chemical stability of AEPs is paramount for stable system operation in electrolysers and other electrochemical devices. Given the instability of aryl ether-containing AEPs under high pH conditions, recent research has focused on quaternized aryl ether-free variants. The primary goal of this review is to provide a greater depth of knowledge on the synthesis of aryl ether-free AEPs targeted for electrochemical devices. Synthetic pathways that yield polyaromatic AEPs include acid-catalysed polyhydroxyalkylation, metal-promoted coupling reactions, ionene synthesis via nucleophilic substitution, alkylation of... (More)
Anion exchange polymers (AEPs) play a crucial role in green hydrogen production through anion exchange membrane water electrolysis. The chemical stability of AEPs is paramount for stable system operation in electrolysers and other electrochemical devices. Given the instability of aryl ether-containing AEPs under high pH conditions, recent research has focused on quaternized aryl ether-free variants. The primary goal of this review is to provide a greater depth of knowledge on the synthesis of aryl ether-free AEPs targeted for electrochemical devices. Synthetic pathways that yield polyaromatic AEPs include acid-catalysed polyhydroxyalkylation, metal-promoted coupling reactions, ionene synthesis via nucleophilic substitution, alkylation of polybenzimidazole, and Diels–Alder polymerization. Polyolefinic AEPs are prepared through addition polymerization, ring-opening metathesis, radiation grafting reactions, and anionic polymerization. Discussions cover structure–property–performance relationships of AEPs in fuel cells, redox flow batteries, and water and CO2 electrolysers, along with the current status of scale-up synthesis and commercialization. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Chemical Society Reviews
volume
53
issue
11
pages
77 pages
publisher
Royal Society of Chemistry
external identifiers
  • scopus:85191335802
ISSN
0306-0012
DOI
10.1039/D3CS00186E
language
English
LU publication?
yes
id
2e500d2e-b361-4f23-81bc-c15f7eab99a1
date added to LUP
2023-09-27 11:47:52
date last changed
2024-06-05 10:01:48
@article{2e500d2e-b361-4f23-81bc-c15f7eab99a1,
  abstract     = {{Anion exchange polymers (AEPs) play a crucial role in green hydrogen production through anion exchange membrane water electrolysis. The chemical stability of AEPs is paramount for stable system operation in electrolysers and other electrochemical devices. Given the instability of aryl ether-containing AEPs under high pH conditions, recent research has focused on quaternized aryl ether-free variants. The primary goal of this review is to provide a greater depth of knowledge on the synthesis of aryl ether-free AEPs targeted for electrochemical devices. Synthetic pathways that yield polyaromatic AEPs include acid-catalysed polyhydroxyalkylation, metal-promoted coupling reactions, ionene synthesis via nucleophilic substitution, alkylation of polybenzimidazole, and Diels–Alder polymerization. Polyolefinic AEPs are prepared through addition polymerization, ring-opening metathesis, radiation grafting reactions, and anionic polymerization. Discussions cover structure–property–performance relationships of AEPs in fuel cells, redox flow batteries, and water and CO<sub>2</sub> electrolysers, along with the current status of scale-up synthesis and commercialization.}},
  author       = {{Park, Eun Joo and Jannasch, Patric and Miyatake, Kenji and Bae, Chulsung and Noonan, Kevin and Fujimoto, Cy and Holdcroft, Steven and Varcoe, John R. and Henkensmeier, Dirk and Guiver, Michael D. and Kim, Yu Seung}},
  issn         = {{0306-0012}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{5704--5780}},
  publisher    = {{Royal Society of Chemistry}},
  series       = {{Chemical Society Reviews}},
  title        = {{Aryl ether-free polymer electrolytes for electrochemical and energy devices}},
  url          = {{http://dx.doi.org/10.1039/D3CS00186E}},
  doi          = {{10.1039/D3CS00186E}},
  volume       = {{53}},
  year         = {{2024}},
}