Atomically synergistic Zn-Cr catalyst for iso-stoichiometric co-conversion of ethane and CO2 to ethylene and CO

Ji Yang, Lu Wang, Jiawei Wan, Farid El Gabaly, Andre L. Fernandes Cauduro, Bernice E. Mills, Jeng-Lung Chen, Liang-Ching Hsu, Daewon Lee, Xiao Zhao, Haimei Zheng, Miquel Salmeron, Caiqi Wang, Zhun Dong, Hongfei Lin, Gabor A. Somorjai, Fabian Rosner, Hanna Breunig, David Prendergast, Jiang De-en (), Seema Singh () and Ji Su ()
Additional contact information
Ji Yang: Lawrence Berkeley National Laboratory
Lu Wang: University of California
Jiawei Wan: Lawrence Berkeley National Laboratory
Farid El Gabaly: Sandia National Laboratories
Andre L. Fernandes Cauduro: Sandia National Laboratories
Bernice E. Mills: Sandia National Laboratories
Jeng-Lung Chen: Science-Based Industrial Park
Liang-Ching Hsu: National Chung Hsing University
Daewon Lee: Lawrence Berkeley National Laboratory
Xiao Zhao: Lawrence Berkeley National Laboratory
Haimei Zheng: Lawrence Berkeley National Laboratory
Miquel Salmeron: Lawrence Berkeley National Laboratory
Caiqi Wang: Washington State University
Zhun Dong: Washington State University
Hongfei Lin: Washington State University
Gabor A. Somorjai: University of California
Fabian Rosner: Lawrence Berkeley National Laboratory
Hanna Breunig: Lawrence Berkeley National Laboratory
David Prendergast: Lawrence Berkeley National Laboratory
Jiang De-en: University of California
Seema Singh: Sandia National Laboratories
Ji Su: Lawrence Berkeley National Laboratory

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract Developing atomically synergistic bifunctional catalysts relies on the creation of colocalized active atoms to facilitate distinct elementary steps in catalytic cycles. Herein, we show that the atomically-synergistic binuclear-site catalyst (ABC) consisting of $${{{{{\rm{Zn}}}}}}^{\delta+}$$ Zn δ + -O-Cr6+ on zeolite SSZ-13 displays unique catalytic properties for iso-stoichiometric co-conversion of ethane and CO2. Ethylene selectivity and utilization of converted CO2 can reach 100 % and 99.0% under 500 °C at ethane conversion of 9.6%, respectively. In-situ/ex-situ spectroscopic studies and DFT calculations reveal atomic synergies between acidic Zn and redox Cr sites. $${{{{{\rm{Zn}}}}}}^{\delta+}$$ Zn δ + ( $$0 \,

Date: 2024
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DOI: 10.1038/s41467-024-44918-8

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