Research Progress on Cobalt-Based Catalysts for the Hydrogenation of Carbon Dioxide to Ethanol

• • Co/La4Ga2O9 catalysts achieve high ethanol selectivity in CO2 hydrogenation, demonstrating the critical role of support interactions in steering selectivity (reference [85]). • • Potassium-loaded Cu/CoOx catalysts significantly boost ethanol production, highlighting the promotional effect of alkali metals on C–C coupling (reference [86]). • • Ga-promoted CuCo catalysts, featuring Cu-CoGaOx interfacial sites, enhance ethanol yield, underscoring the importance of interface engineering (reference [88]). • • Mo-tailored CoFe alloys suppress over-carburization by inhibiting CO dissociation, thereby tuning CHx coupling for selective higher alcohol synthesis (reference [89]).