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Operando generated ordered heterogeneous catalyst for the selective conversion of CO2 to methanol

DOI: 10.1021/acsenergylett.0c02614 DOI Help

Authors: Arjun Cherevotan (Jawaharlal Nehru Centre for Advanced Scientific Research) , Jithu Raj (Jawaharlal Nehru Centre for Advanced Scientific Research) , Lakshay Dheer (Jawaharlal Nehru Centre for Advanced Scientific Research) , Soumyabrata Roy (awaharlal Nehru Centre for Advanced Scientific Research) , Shreya Sarkar (awaharlal Nehru Centre for Advanced Scientific Research) , Risov Das (Jawaharlal Nehru Centre for Advanced Scientific Research) , Chathakudath P. Vinod (CSIR-National Chemical Laboratory) , Shaojun Xu (UK Catalysis Hub, Research Complex at Harwell; Cardiff University) , Peter Wells (UK Catalysis Hub, Research Complex at Harwell; University of Southampton; Diamond Light Source) , Umesh V. Waghmare (Jawaharlal Nehru Centre for Advanced Scientific Research) , Sebastian C. Peter (Jawaharlal Nehru Centre for Advanced Scientific Research)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Acs Energy Letters

State: Published (Approved)
Published: January 2021

Abstract: The discovery of new materials for efficient transformation of carbon dioxide (CO2) into desired fuel can revolutionize large-scale renewable energy storage and mitigate environmental damage due to carbon emissions. In this work, we discovered an operando generated stable Ni–In kinetic phase that selectively converts CO2 to methanol (CTM) at low pressure compared to the state-of-the-art materials. The catalytic nature of a well-known methanation catalyst, nickel, has been tuned with the introduction of inactive indium, which enhances the CTM process. The remarkable change in the mechanistic pathways toward methanol production has been mapped by operando diffuse reflectance infrared Fourier transform spectroscopy analysis, corroborated by first-principles calculations. The ordered arrangement and pronounced electronegativity difference between metals are attributed to the complete shift in mechanism. The approach and findings of this work provide a unique advance toward the next-generation catalyst discovery for going beyond the state-of-the-art in CO2 reduction technologies.

Journal Keywords: Hydrocarbons; Alcohols; Catalysts; Hydrogenation; Selectivity

Subject Areas: Chemistry, Energy

Facility: PETRA III

Discipline Tags:

Catalysis Organic Chemistry Physical Chemistry Earth Sciences & Environment Climate Change Energy Energy Storage Sustainable Energy Systems Chemistry

Technical Tags: