Hydrothermal Fabrication of Low-Dimensional CuO Nanosheets for Enhancing Carbon Reduction Product Selectivity
Year: 2025
Type: article
Abstract: High Resolution Image Download MS PowerPoint Slide The electrocatalytic reduction of CO 2 to C 2 products, driven by renewable electricity, represents a promising approach for storing intermittent renewable energy. A major challenge, however, lies in the difficulty of suppressing the competing hydrogen evolution reaction (HER), which significantly lowers the selectivity toward C 2 products and diminishes the overall efficiency of the CO 2 reduction systems. Here, we report a strategy for designing metal-based catalysts through precise regulation of the hydrothermal reaction temperature, thereby enhancing the efficiency of the conversion of CO 2 to C 2 products. The catalyst of CuO at 200 °C shows a CO 2 -to-C 2 Faradaic efficiency of 58.6% and a CO 2 -to-C product Faradaic efficiency of 70% at −1.4 V vs RHE. Our work provides foundational insight into the crucial role of catalyst morphology in enhancing performance in CO 2 electrolysis, facilitating the rational development of highly efficient CO 2 reduction catalysts.
Source: ACS Omega
Authors: Weiqing Chu, Qian Guo, Haoran Zou, Zhaoyang Liu, Xiaohui Ren, XuSheng Wang, RongSheng Chen, Hua Zhang, Hongwei Ni
Institutions: Wuhan University of Science and Technology, Zhejiang Sci-Tech University, Chinese Academy of Sciences, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, State Key Laboratory of Structural Chemistry, State Key Laboratory of Refractories and Metallurgy
Language: English
Field: Energy
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $1,935
OpenAlex ID: W4414545360