Enhanced CO2 reduction with hydrophobic cationic-ionomer layer-modified zero-gap MEA in acidic electrolyte

Xueyang Zhao; Hongtao Xie; Bangwei Deng; Lili Wang; Yizhao Li; Fan Dong

doi:10.1039/D3CC05277J

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Enhanced CO₂ reduction with hydrophobic cationic-ionomer layer-modified zero-gap MEA in acidic electrolyte†

Xueyang Zhao,^ab Hongtao Xie,^a Bangwei Deng,

^a Lili Wang,^a Yizhao Li

^a and Fan Dong

*^ab

Author affiliations

* Corresponding authors

^a Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, China
E-mail: dongfan@uestc.edu.cn

^b Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China

Abstract

A hydrophobic cationic-ionomer layer of quaternary ammonium poly(N-methyl-piperidine-co-p-terphenyl) and PTFE is presented to enhance the CO₂ electroreduction in a zero-gap membrane electrode assembly (MEA) electrolyzer under acidic and low alkali ion concentration conditions. The modified MEA achieved a maximum CO faradaic efficiency of 95.6% at 100 mA cm⁻².

This article is part of the themed collection: Chemical Communications HOT Articles 2024

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Article information

DOI: https://doi.org/10.1039/D3CC05277J
Article type: Communication
Submitted: 26 Oct 2023
Accepted: 07 Dec 2023
First published: 07 Dec 2023

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Chem. Commun., 2024,60, 542-545

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Enhanced CO₂ reduction with hydrophobic cationic-ionomer layer-modified zero-gap MEA in acidic electrolyte

X. Zhao, H. Xie, B. Deng, L. Wang, Y. Li and F. Dong, Chem. Commun., 2024, 60, 542 DOI: 10.1039/D3CC05277J

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