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All Journal Jurnal Abdi Masyarakat Saburai (JAMS) Jurnal Sistem Informasi Universitas Dinamika Jurnal Pemberdayaan Masyarakat Indonesia (JPMI) Audi Et AP : Jurnal Penelitian Hukum Jurnal Media Pengabdian Kepada Masyarakat (JM-PKM) Environmental and Materials Relinesia: Jurnal Kajian Agama dan Multikulturalisme Indonesia Journal of Mechanical Engineering and Applied Technology
Rachman, Fathur
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Copper foam modified electrodes for CO₂ electroreduction: A study on deposition potential effect and flow cell performance Riyanto, Hanzhola Gusman; Pasaribu, Lewita; Rachman, Fathur; Magdalena, Octaviany; Sanjaya, Afiten Rahmin
Environmental and Materials Vol. 3 No. 2: (December) 2025
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/eam.v3i2.2025.2649

Abstract

Background: The development of effective electrochemical conversion technologies is imperative due to the rising global CO2 emissions. A promising platform for CO2 reduction to formate is copper electrode, which can stabilize the carbon dioxide radical that is essential for CO2 conversion. Methods: In this work, Cu foam was electrodeposited in situ on a copper plate with sodium citrate acting as a capping agent (CuF@Cu), with variation of potential deposition were 3V and 5V. Findings: The foam structure of Cu in Cu electrode was confirmed with SEM and XRD measurements for both potential deposition variations. Furthermore, CO2 electroreduction was carried out in a flow cell under ideal conditions, which included aeration for 20 minutes, a flow rate of 75 mL min⁻¹, and an applied potential of −0.33 V vs. Ag/AgCl. For formic acid conversion, the Faradaic efficiency rose from 14.18% (Cu bare) to 26.73% (CuF@Cu 3V) which an 88.7% improvement over bare copper. Conclusion: The enhanced performance is attributed to the increased surface area and three-dimensional foam structure, which augments active sites for CO₂ activation. This work demonstrates that simple electrodeposition of copper foam is an effective strategy for improving electrochemical CO₂ reduction efficiency. Novelty/Originality of this article: These findings demonstrate that CuF@Cu makes using this straightforward electrodeposition technique a viable option for CO2 to formate conversion.
Co-Authors Agrily, Muhammad Ziyan Aryani, Gustina Diwirya, Irwan Jaya Eldawati, Elti Fransiska, Yesi Go, Calvin Gunawan, Tedi Hanzhola Gusman Riyanto Haryati, Dina Ino Susanti Januri, Januri Kamila, Ihdia Uswah Karmuz, Karmuz M. Imamul Muttaqin M. Lutfi Maulana, Yoppy Nurlelawati, Nurlelawati Nurwidodo, Arif Octaviany Magdalena Pasaribu, Lewita Purwanti, Yuli Putri, Farika Tono Reinardus Adhiputra Suryandaru Rendy Renaldy Rohmadi Rohmadi Saliman, Karen Sandi, Fona Azhara Sanjaya, Afiten Rahmin Satrya Surya Pratama Soetomo, Erwin Surya Pratama, Satrya Timotius Anggit Kristiawan Widodo, Dwi Yulian Yuditama, Avifa Putri