ABSTRACT
The single-atom catalysts (SACs) have been emerging as an emerging technique since it was firstly proposed in 2011 by Qiao et al. for the Cobalt oxidation. By literature review, it turned out that the base metal SACs for the methane to methanol (MTM) reaction were mainly focusing on iron and copper SACs in frameworks, while for the precious metal SACs, there were reports on different precious metals supported on metal oxides, in frameworks and single-atom alloys (SAAs). Therefore, the base metal SACs for the MTM reaction were classified according to different nature of the supports, at the same time, the precious metal SACs for this reaction were divided by different precious metals. However, the existing knowledge about methane conversion and the recent promising progress in both designing innovative catalysts and reactor design have already provided significant guidance for further promoting development of direct methane conversion to value-added chemicals on the SACs.
