Abstract
Abstract Nickel-based catalysts are widely used in dry reforming of methane (DRM) due to good catalytic activity and low industrial cost. However, carbon deposition hinders the large-scale applications. In this short review, the applications of perovskites, transition metal oxides, rare earth metal oxide, and mixed oxide materials in DRM are discussed based on the effects of oxygen defects. Also, the formation mechanisms of oxygen defects in nickel-based catalysts are elucidated. It is found that oxygen defects promote the movement of oxygen species and produce more surface oxygen, which effectively reduces carbon deposition in DRM.
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