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Title: Crosslinked anion exchange membranes with connected cations

Journal Article · · Journal of Polymer Science. Part A, Polymer Chemistry
DOI:https://doi.org/10.1002/pola.28935· OSTI ID:1414807
ORCiD logo [1];  [2];  [1];  [2];  [1];  [3];  [1];  [4];  [5];  [2]; ORCiD logo [1]
  1. Department of Polymer Science and Engineering University of Massachusetts Amherst, 120 Governors Drive Amherst Massachusetts 01003
  2. Department of Chemical and Biological Engineering Colorado School of Mines Golden Colorado 80401
  3. Los Alamos National Laboratory Los Alamos New Mexico 87545
  4. Argonne National Laboratory X‐Ray Science Division Argonne Illinois 60439
  5. Department of Chemical and Environmental Engineering University of Toledo Toledo Ohio 43606

ABSTRACT The selective transport of ions has crucial importance in biological systems as well as modern‐day energy devices, such as batteries and fuel cells, and water purification membranes. Control over ion movement can be exerted by ligation, ion channel dimensions, solvation, and electrostatic interactions. Polyelectrolyte hydrogels can provide aligned pathways for counter ion transport but lack mechanical integrity, while polyelectrolyte membranes typically suffer from the absence of an ion transport channel network. To develop polymer membranes for improved ion transport, we present the design of a novel material that combines the advantages of aligned pathways found in polyelectrolyte hydrogel and mechanical robustness in conventional membranes. The ionic species were organized via controlled copolymerization of a quaternizable monomer. Additionally, dimensional stability was then incorporated through a cast/crosslinking method to lock in the network of connected cationic groups. This strategy resulted in dramatically enhanced ion transport, as characterized by ionic conductivities (>80 mS/cm for Cl , and ∼200 mS/cm for OH ). © 2017 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2018 , 56 , 618–625

Sponsoring Organization:
USDOE
OSTI ID:
1414807
Journal Information:
Journal of Polymer Science. Part A, Polymer Chemistry, Journal Name: Journal of Polymer Science. Part A, Polymer Chemistry Vol. 56 Journal Issue: 6; ISSN 0887-624X
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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