This research will aim to map the degradation of model Cu-based CO2 conversion catalysts and find strategies to increase their stability. To do this, advanced in-situ TEM studies will be done and translated into thermodynamic degradation models.
This CBBC project is on the degradation of supported copper catalysts in the hydrogenation of pure CO2 to methanol. CO2 to methanol catalysts are important materials to facilitate the production of chemical building blocks from renewable carbon sources. The current industry standard catalyst is unstable over prolonged reaction times in syngas mixtures and even more unstable when used with solely CO2 feed. This is because methanol production from pure CO2 feed creates more water in the reaction mixture compared to the traditional syngas feed. Water is known to be detrimental for the catalyst’s lifespan. By utilizing in-situ Transmission Electron Microscopy and developing thermodynamic degradation models, combined with careful design of model catalysts, we aim to map the factors that contribute to catalyst deactivation. Finally, we hope to implement mitigation strategies to increase the stability of these materials.
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