Selective Electrosynthesis of Methanol from CO <sub>2</sub> Over Cu/Cu <sub>2</sub> P <sub>2</sub> O <sub>7</sub> Via the Formate Pathway

The electrochemical CO<sub>2</sub> reduction reaction (CO2RR) to methanol offers an eco-friendly approach to reducing carbon emissions while producing versatile liquid fuels and feedstocks. However, achieving high selectivity for methanol, especially at high current densities, remains challenging due to competing reactions that favor methane and hydrogen formation. Here, the tailored synthesis of Cu/Cu<sub>2</sub>P<sub>2</sub>O<sub>7</sub>-based hybrid catalysts is reported for efficient and selective methanol production through the discharge of lithium-ion batteries. The catalyst exhibits a Faradaic efficiency exceeding 50% in both H-cells and gas-diffusion electrode cells, achieving one of the highest reported methanol partial current densities of over 100 mA cm<sup>-2</sup>. Experimental and computational analyses reveal a synergistic effect between Cu nanoparticles with a predominant (111) surface and Cu<sub>2</sub>P<sub>2</sub>O<sub>7</sub> nanoparticles, which enhances selective methanol production via the HCOOH intermediate pathway. These findings provide insights into designing cost-effective electrocatalysts for selective methanol production.

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Publication Details

Journal
Advanced Materials
Published
2025-05-20
DOI
https://doi.org/10.1002/adma.202501021
Citations
7
Primary Topic
CO2 Reduction Techniques and Catalysts
Type
article
Field-Weighted Citation Impact
2.54

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article

Selective Electrosynthesis of Methanol from CO 2 Over Cu/Cu 2 P 2 O 7 Via the Formate Pathway

Aloysius Soon, Suhwan Park, Man Ho Han, Sangseob Lee et al.
7 citations
Advanced Materials
CO2 Reduction Techniques and Catalysts
2.54
article

Selective Electrosynthesis of Methanol from CO 2 Over Cu/Cu 2 P 2 O 7 Via the Formate Pathway

Aloysius Soon, Suhwan Park, Man Ho Han, Sangseob Lee, Hyun‐Wook Lee, Giyeok Lee, Sunghwan Jin, Jungki Ryu, Jongsoon Kim, Hyo Sang Jeon, Ja Yil Lee, Hyunwoo Kim, Yongseok Lee
article en
7 citations

Abstract

The electrochemical CO<sub>2</sub> reduction reaction (CO2RR) to methanol offers an eco-friendly approach to reducing carbon emissions while producing versatile liquid fuels and feedstocks. However, achieving high selectivity for methanol, especially at high current densities, remains challenging due to competing reactions that favor methane and hydrogen formation. Here, the tailored synthesis of Cu/Cu<sub>2</sub>P<sub>2</sub>O<sub>7</sub>-based hybrid catalysts is reported for efficient and selective methanol production through the discharge of lithium-ion batteries. The catalyst exhibits a Faradaic efficiency exceeding 50% in both H-cells and gas-diffusion electrode cells, achieving one of the highest reported methanol partial current densities of over 100 mA cm<sup>-2</sup>. Experimental and computational analyses reveal a synergistic effect between Cu nanoparticles with a predominant (111) surface and Cu<sub>2</sub>P<sub>2</sub>O<sub>7</sub> nanoparticles, which enhances selective methanol production via the HCOOH intermediate pathway. These findings provide insights into designing cost-effective electrocatalysts for selective methanol production.

Advanced MaterialsVol. 37(35)
Kangwon National University (KR), Yonsei University (KR), Ulsan National Institute of Science and Technology (KR), Korea Institute of Science and Technology (KR), Sungkyunkwan University (KR)
National Research Foundation, Korea Institute of Science and Technology, Korea Institute of Science and Technology Information, National Research Foundation of Korea, Ministry of Science and ICT, South Korea
Responsible consumption and production
Openalex Percentile: Top 10%
CO2 Reduction Techniques and Catalysts
2.54
DOIOpen Access PDFOpenAlex
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