Synergistic promotions between CO

Bin Shao, Zhi-Qiang Wang, Xue-Qing Gong, Honglai Liu, Feng Qian, P Hu, Jun Hu

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)
31 Downloads (Pure)


The integrated CO2 capture and conversion (iCCC) technology has been booming as a promising cost-effective approach for Carbon Neutrality. However, the lack of the long-sought molecular consensus about the synergistic effect between the adsorption and in-situ catalytic reaction hinders its development. Herein, we illustrate the synergistic promotions between CO2 capture and in-situ conversion through constructing the consecutive high-temperature Calcium-looping and dry reforming of methane processes. With systematic experimental measurements and density functional theory calculations, we reveal that the pathways of the reduction of carbonate and the dehydrogenation of CH4 can be interactively facilitated by the participation of the intermediates produced in each process on the supported Ni–CaO composite catalyst. Specifically, the adsorptive/catalytic interface, which is controlled by balancing the loading density and size of Ni nanoparticles on porous CaO, plays an essential role in the ultra-high CO2 and CH4 conversions of 96.5% and 96.0% at 650 °C, respectively.
Original languageEnglish
Article number996
Number of pages10
JournalNature Communications
Issue number1
Publication statusPublished - 22 Feb 2023


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