Kim, Hyunwoo Lee, Jihoe Lee, Sangseob Park, Suhwan Lee, Yongseok Lee, Giyeok Jeon, Hyo Sang Han, Man Ho Jin, Sunghwan Lee, Hyun-Wook Soon, Aloysius Kim, Jongsoon Ryu, Jungki 2025-06-04T02:00:12Z 2025-06-04T02:00:12Z 2025-05-29 2025-09 0935-9648 https://pubs.kist.re.kr/handle/201004/152543 The electrochemical CO2 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/Cu2P2O7-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−2. Experimental and computational analyses reveal a synergistic effect between Cu nanoparticles with a predominant (111) surface and Cu2P2O7 nanoparticles, which enhances selective methanol production via the HCOOH intermediate pathway. These findings provide insights into designing cost-effective electrocatalysts for selective methanol production. English WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Selective Electrosynthesis of Methanol from CO2 Over Cu/Cu2P2O7 Via the Formate Pathway Article 10.1002/adma.202501021 1 Advanced Materials, v.37, no.35 Advanced Materials 37 35 Y scie scopus 001491657100001 2-s2.0-105005777832 Chemistry, Multidisciplinary Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Physics, Applied Physics, Condensed Matter Chemistry Science & Technology - Other Topics Materials Science Physics Article CATALYST MULTICARBON PRODUCTS REDUCTION ELECTROREDUCTION HYDROGENATION methanol production Cu/Cu2P2O7 catalyst HCOOH pathway electrochemical CO2 reduction reaction