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journal article·2025-01Open access

Highly Efficient Sunlight‐Driven CO2 Hydrogenation to Methanol Over NiZn Intermetallic Catalysts Under Atmospheric Pressure

Linjia Han, Fanqi Meng, Xianhua Bai, Qixuan Wu, Yanhong Luo, Jiangjian Shi, Yaguang Li, Dongmei Li, Qingbo Meng

Small· Volume 21· Issue 4
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Abstract

Abstract The synthesis of solar methanol through direct carbon dioxide (CO2) hydrogenation using solar energy is of great importance in advancing a sustainable energy economy. In this study, a non‐precious NiZn intermetallic/ZnO catalyst (NxZy) is reported to catalyze the hydrogenation of CO2 to methanol using sunlight irradiation (≤ 1 sun). The NiZn/ZnO interface is identified as the active site to stabilize the key intermediates of HxCO*. At ambient pressure, the N1Z2 catalyst demonstrates a methanol production rate of 127.5 µmol g−1 h−1 from solar‐driven CO2 hydrogenation, with a remarkable 100% selectivity toward methanol in the total organic products. Notably, this production rate stands as the highest record for photothermic CO2 hydrogenation to methanol in continuous‐flow reactors with sunlight as the only requisite energy input. This discovery not only paves the way for the development of novel catalysts for CO2 hydrogenation to methanol but also marks a significant stride toward full solar‐driven chemical energy storage.
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Research context

Metals & alloysCatalysis & surfaces

OpenAlex topics: Catalysts for Methane Reforming · CO2 Reduction Techniques and Catalysts · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China

School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 P. R. China

School of Materials Science and Engineering Peking University Beijing 100871 P. R. China

Research Center for Solar Driven Carbon Neutrality Engineering Research Center of Zero‐carbon Energy Buildings and Measurement Techniques Ministry of Education The College of Physics Science and Technology Institute of Life Science and Green Development Hebei University Baoding 071002 P. R. China

Songshan Lake Materials Laboratory Dongguan 523808 P. R. China

Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China

Funding

National Natural Science Foundation of China · Youth Innovation Promotion Association of the Chinese Academy of Sciences

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