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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| Format: | Article |
| Language: | English |
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Elsevier
2025-06-01
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| 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. |
| format | Article |
| id | doaj-art-4c9464edef9e46e787a1d8fbfce7fe9d |
| institution | OA Journals |
| issn | 2666-5395 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Elsevier |
| record_format | Article |
| 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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