High carbonate ion conductance of a robust PiperION membrane allows industrial current density and conversion in a zero-gap carbon dioxide electrolyzer cell

B. Endrődi; E. Kecsenovity; A. Samu; T. Halmágyi; S. Rojas-Carbonell; L. Wang; Y. Yan; C. Janáky

doi:10.1039/D0EE02589E

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High carbonate ion conductance of a robust PiperION membrane allows industrial current density and conversion in a zero-gap carbon dioxide electrolyzer cell†

B. Endrődi,

*^a E. Kecsenovity,^a A. Samu,^a T. Halmágyi,^a S. Rojas-Carbonell,

^b L. Wang,^b Y. Yan

^b and C. Janáky

*^ac

Author affiliations

* Corresponding authors

^a Department of Physical Chemistry and Materials Science, Interdisciplinary Excellence Centre, University of Szeged, Aradi Square 1, Szeged, Hungary
E-mail: janaky@chem.u-szeged.hu

^b W7energy LLC, 200 Powder Mill Rd, E500-2440, Wilmington, DE, USA

^c ThalesNanoEnergy Zrt, Alsó Kikötő sor 11, Szeged 6726, Hungary

Abstract

A poly(aryl piperidinium)-based anion exchange membrane (PiperION) with high carbonate conductance is employed for CO₂ electrolysis to CO in conjunction with a tailored electrolyzer cell structure. This combination results in unprecedentedly high partial current densities in zero-gap cells (j_CO > 1.0 A cm⁻²), while maintaining high conversion (20–45%), selectivity (up to 90%) and low cell voltage (2.6–3.4 V).

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Article information

DOI: https://doi.org/10.1039/D0EE02589E
Article type: Communication
Submitted: 13 Aug 2020
Accepted: 21 Sep 2020
First published: 21 Sep 2020
This article is Open Access

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Energy Environ. Sci., 2020,13, 4098-4105

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High carbonate ion conductance of a robust PiperION membrane allows industrial current density and conversion in a zero-gap carbon dioxide electrolyzer cell

B. Endrődi, E. Kecsenovity, A. Samu, T. Halmágyi, S. Rojas-Carbonell, L. Wang, Y. Yan and C. Janáky, Energy Environ. Sci., 2020, 13, 4098 DOI: 10.1039/D0EE02589E

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Energy & Environmental Science

High carbonate ion conductance of a robust PiperION membrane allows industrial current density and conversion in a zero-gap carbon dioxide electrolyzer cell†

Abstract

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High carbonate ion conductance of a robust PiperION membrane allows industrial current density and conversion in a zero-gap carbon dioxide electrolyzer cell

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