Molecular Structure Effects on Ionic Diode Performance in Desalination: Ultrahigh Rectification in Butylated Intrinsically Microporous Polyamine (PIM‐EA‐TB)-Reference-Cited by-同舟云学术

Molecular Structure Effects on Ionic Diode Performance in Desalination: Ultrahigh Rectification in Butylated Intrinsically Microporous Polyamine (PIM‐EA‐TB)

Published:2024-03-07 Issue:9 Volume:11 Page:
ISSN:2196-0216
Container-title:ChemElectroChem
language:en
Short-container-title:ChemElectroChem

Author:

Li Zhongkai¹,Carta Mariolino²^ORCID,McKeown Neil B.³^ORCID,Agbenyeke Raphael E.⁴,Eloi Jean‐Charles⁴^ORCID,Fermin David J.⁴^ORCID,Arotiba Omotayo A.⁵⁶^ORCID,Marken Frank¹⁵^ORCID

Affiliation:

1. Department of Chemistry University of Bath, Claverton Down Bath BA2 7AY UK

2. Department of Chemistry Swansea University College of Science, Grove Building, Singleton Park Swansea SA2 8PP UK

3. EaStCHEM School of Chemistry University of Edinburgh, Joseph Black Building David Brewster Road Edinburgh Scotland EH9 3JF UK

4. School of Chemistry University of Bristol Bristol BS8 1TS UK

5. Department of Chemical Sciences University of Johannesburg Doornfontein 2028 South Africa

6. Centre for Nanomaterials Science Research University of Johannesburg South Africa

Abstract

AbstractIonic diodes are components in ionic circuits for AC‐electricity driven desalination and ion extraction processes. Independent of the ionic diode type/mechanism, achieving ionic current rectification at high ionic strengths is challenging but important, for example in seawater desalination and treatment of brine. Here, the butylation of a molecularly rigid (glassy) polymer of intrinsic microporosity (PIM‐EA‐TB) is shown to give anionic diodes with ultrahigh rectification effects (associated with interfacial resistivity) even in high ionic strength aqueous 2 M NaCl solution. The effect is rationalised based on polymer structure affecting ion transport.

Funder

Engineering and Physical Sciences Research Council

Publisher

Wiley

Reference27 articles.

1. Ionic diode desalination: Combining cationic Nafion™ and anionic Sustainion™ rectifiers

2. Tuning and Coupling Irreversible Electroosmotic Water Flow in Ionic Diodes: Methylation of an Intrinsically Microporous Polyamine (PIM-EA-TB)

3. Microscale Ionic Diodes: An Overview

4. Asymmetric Ion Transport through Ion-Channel-Mimetic Solid-State Nanopores

5. Ion Current Rectification Behavior of Bioinspired Nanopores Having a pH-Tunable Zwitterionic Surface

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