CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ions

Carbon dioxide electrochemical reduction (CO2ER) has attracted considerable attention as a technology to recycle CO2 into raw materials for chemicals using renewable energies. Zn-based layered double hydroxide (LDH) was recently found to be a promising CO2ER catalyst, which is a non-precious metal c...

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Main Authors: Ryosuke Nakazato, Keeko Matsumoto, Matthias Quintelier, Joke Hadermann, Nataly Carolina Rosero-Navarro, Akira Miura, Kiyoharu Tadanaga
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Open Ceramics
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666539525000550
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author Ryosuke Nakazato
Keeko Matsumoto
Matthias Quintelier
Joke Hadermann
Nataly Carolina Rosero-Navarro
Akira Miura
Kiyoharu Tadanaga
author_facet Ryosuke Nakazato
Keeko Matsumoto
Matthias Quintelier
Joke Hadermann
Nataly Carolina Rosero-Navarro
Akira Miura
Kiyoharu Tadanaga
author_sort Ryosuke Nakazato
collection DOAJ
description Carbon dioxide electrochemical reduction (CO2ER) has attracted considerable attention as a technology to recycle CO2 into raw materials for chemicals using renewable energies. Zn-based layered double hydroxide (LDH) was recently found to be a promising CO2ER catalyst, which is a non-precious metal catalyst with excellent selectivity for carbon monoxide (CO). However, the role of structural trivalent metal ions (M3+) contained in Zn-M3+ LDHs for the CO2ER performance was not revealed. In this study, Zn-Cr, Zn-Ga LDHs, and Zn-Al LDHs were synthesized using a facile coprecipitation process, and their CO2ER performance and electrochemical properties were evaluated. We found that not only Zn-Al LDH but also Zn-Cr and Zn-Ga LDHs showed CO2ER activity for CO evolution, and the analysis by electrochemical impedance spectroscopy revealed that the type of M3+ in Zn-based LDHs affected their electronic and ionic conductivity, functioning as key roles for their CO2ER performance.
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institution OA Journals
issn 2666-5395
language English
publishDate 2025-06-01
publisher Elsevier
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series Open Ceramics
spelling doaj-art-4c9464edef9e46e787a1d8fbfce7fe9d2025-08-20T02:06:19ZengElsevierOpen Ceramics2666-53952025-06-012210078810.1016/j.oceram.2025.100788CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ionsRyosuke Nakazato0Keeko Matsumoto1Matthias Quintelier2Joke Hadermann3Nataly Carolina Rosero-Navarro4Akira Miura5Kiyoharu Tadanaga6National Institute of Advanced Industrial Science and Technology (AIST), Energy Process Research Institute, 16-1 Onogawa, Tsukuba, Ibaraki, 305-8569, Japan; Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-8628, Japan; Corresponding authors.Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-8628, JapanEMAT, Department of Physics, University of Antwerp, 2020 Antwerp, BelgiumEMAT, Department of Physics, University of Antwerp, 2020 Antwerp, BelgiumFaculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-8628, Japan; Instituto de Cerámica y Vidrio, CSIC, C/Kelsen 5. Campus de Cantoblanco. 28049 Madrid, SpainFaculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-8628, JapanFaculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-8628, Japan; Corresponding authors.Carbon dioxide electrochemical reduction (CO2ER) has attracted considerable attention as a technology to recycle CO2 into raw materials for chemicals using renewable energies. Zn-based layered double hydroxide (LDH) was recently found to be a promising CO2ER catalyst, which is a non-precious metal catalyst with excellent selectivity for carbon monoxide (CO). However, the role of structural trivalent metal ions (M3+) contained in Zn-M3+ LDHs for the CO2ER performance was not revealed. In this study, Zn-Cr, Zn-Ga LDHs, and Zn-Al LDHs were synthesized using a facile coprecipitation process, and their CO2ER performance and electrochemical properties were evaluated. We found that not only Zn-Al LDH but also Zn-Cr and Zn-Ga LDHs showed CO2ER activity for CO evolution, and the analysis by electrochemical impedance spectroscopy revealed that the type of M3+ in Zn-based LDHs affected their electronic and ionic conductivity, functioning as key roles for their CO2ER performance.http://www.sciencedirect.com/science/article/pii/S2666539525000550CO2 electrochemical reductionCO evolutionLayered double hydroxideZinc-based electrocatalystTrivalent metal ionElectronic and ionic conductivity
spellingShingle Ryosuke Nakazato
Keeko Matsumoto
Matthias Quintelier
Joke Hadermann
Nataly Carolina Rosero-Navarro
Akira Miura
Kiyoharu Tadanaga
CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ions
Open Ceramics
CO2 electrochemical reduction
CO evolution
Layered double hydroxide
Zinc-based electrocatalyst
Trivalent metal ion
Electronic and ionic conductivity
title CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ions
title_full CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ions
title_fullStr CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ions
title_full_unstemmed CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ions
title_short CO2 electrochemical reduction by Zn-based layered double hydroxides: The role of structural trivalent metal ions
title_sort co2 electrochemical reduction by zn based layered double hydroxides the role of structural trivalent metal ions
topic CO2 electrochemical reduction
CO evolution
Layered double hydroxide
Zinc-based electrocatalyst
Trivalent metal ion
Electronic and ionic conductivity
url http://www.sciencedirect.com/science/article/pii/S2666539525000550
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