According to a report from the Massachusetts Institute of Technology's "Technical Review" website on the 15th, chemists at the hospital developed a new type of catalyst material that can convert carbon dioxide (CO2) into carbon monoxide (CO), which is the key to converting CO2 into other fuels. The initial steps. The new results provide ideas for the preparation of liquid fuels from the main greenhouse gas CO2. U.S. Assistant Professor of Chemistry at MIT, who led the study, said that current methods to convert CO into various liquid fuels and other products already exist, but it is difficult to continue the conversion of CO2 to a single end product. , And the new system provides a series of specific conversion pathways to choose from.
The research team developed a porous silver electrode material tunable catalyst. The structure is a hexagonal honeycomb. A variety of catalyst variants can be made by adjusting the pore size of the material. Then, a CO concentration of 5% to 85% can be generated on demand. Reaction products, and the efficiency of the preparation increased by 3 times. Adjusting the pore size can adjust the selectivity and activity of the catalyst but does not change the chemical nature of the surface active sites.
Surendra said that this progress is only one of the steps to convert CO2 into usable fuel, and only series demonstrations are conducted in small and medium-scale laboratories. There is still a lot of work to be done to really develop practical methods for fuel production. . However, “we are optimistic that if this conversion is directly linked to the emissions of fossil fuel power plants, we can artificially shut down the carbon cycle and ensure that CO2 is no longer released into the atmosphere.â€
The Japanese peer review believes that many catalyst products only focus on application-level research, and this paper may have a "great impact on the basic science of producing fuel-related important reactions with high academic value."
It is understood that this research has been supported by the United States Air Force Scientific Research Office and the Department of Chemistry of the Massachusetts Institute of Technology. It is a project of the MIT Low Carbon Energy Center that aims to address the challenges posed by climate change.
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