New black indium oxide—tandem photothermal CO2-H2 methanol selective catalyst

Zeshu Zhang, Chengliang Mao (), Débora Motta Meira, Paul N. Duchesne, Athanasios A. Tountas, Zhao Li, Chenyue Qiu, Sanli Tang, Rui Song, Xue Ding, Junchuan Sun, Jiangfan Yu, Jane Y. Howe, Wenguang Tu, Lu Wang () and Geoffrey A. Ozin ()
Additional contact information
Zeshu Zhang: The Chinese University of Hong Kong, Shenzhen
Chengliang Mao: University of Toronto
Débora Motta Meira: Argonne National Laboratory
Paul N. Duchesne: Queen’s University
Athanasios A. Tountas: University of Toronto
Zhao Li: University of Toronto
Chenyue Qiu: University of Toronto
Sanli Tang: University of Toronto
Rui Song: University of Toronto
Xue Ding: The Chinese University of Hong Kong, Shenzhen
Junchuan Sun: The Chinese University of Hong Kong, Shenzhen
Jiangfan Yu: The Chinese University of Hong Kong, Shenzhen
Jane Y. Howe: University of Toronto
Wenguang Tu: The Chinese University of Hong Kong, Shenzhen
Lu Wang: The Chinese University of Hong Kong, Shenzhen
Geoffrey A. Ozin: University of Toronto

Nature Communications, 2022, vol. 13, issue 1, 1-8

Abstract: Abstract It has long been known that the thermal catalyst Cu/ZnO/Al2O3(CZA) can enable remarkable catalytic performance towards CO2 hydrogenation for the reverse water-gas shift (RWGS) and methanol synthesis reactions. However, owing to the direct competition between these reactions, high pressure and high hydrogen concentration (≥75%) are required to shift the thermodynamic equilibrium towards methanol synthesis. Herein, a new black indium oxide with photothermal catalytic activity is successfully prepared, and it facilitates a tandem synthesis of methanol at a low hydrogen concentration (50%) and ambient pressure by directly using by-product CO as feedstock. The methanol selectivities achieve 33.24% and 49.23% at low and high hydrogen concentrations, respectively.

Date: 2022
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DOI: 10.1038/s41467-022-29222-7

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