Modulation of Surface and Interface Properties of Cobalt-Based Fischer-Tropsch Synthesis Catalyst

The conversion of synthesis gas into fuel and high value-added chemicals through the Fischer-Tropsch synthesis (FTs) process is a crucial way to solve the problem of clean utilization of resources such as coal, which has been an important part of the modern coal chemical industry in China. It can reduce the dependence on petroleum imports and ensure national energy strategy security. Cobalt-based catalysts have become one of the most widely studied Fischer-Tropsch synthesis catalysts due to their outstanding catalytic activity, high chain growth factor, low CO2 selectivity, and long life. How to adjust the surface and interface properties of the catalyst to break the dependence of reduction and dispersion, and improve the reaction activity and product selectivity within a certain carbon chain range is still a significant challenge for the development of high -performance cobalt-based Fischer-Tropsch synthesis catalysts. In this paper, the latest research progress in the regulation of the surface and interface properties of cobalt-based Fischer-Tropsch synthesis catalysts is reviewed from three aspects: structure sensitivity ( size and crystal effect), metal-support interaction, and confinement effect, so as to provide a theoretical basis for the design of catalyst microstructure and regulation of reaction performance.