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Research progress of single-atom coating and its application prospect in protective coatings
Chijia Wang,Qianqian Yin,Shuyi Liu,Jianxin Wang,Weihao Fan,Zhanjian Liu,Fatang Liu,Yize Liu,Huaiyuan Wang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.128 No.-
Coating technology is the most economical and efficient approach to retard metal corrosion, and newcomposite coatings prepared by adding monoatomic fillers to a polymer matrix have excellent corrosionresistance and good mechanical properties. The single-atom coating formed by the immobilization ofmetal atoms alone on the matrix or filler represents the maximum utilization of atoms at the presentstage, which has unique coordination properties, active sites, and synergistic effects with the support. Compared with traditional fillers, single-atom fillers not only have the advantages of supporting fillersbut can also provide monatomic metals to form passivation films, promote the progress of catalytic passivationreactions, and combine organic compounds to generate new composite materials. This paperfocuses on the preparation methods and mechanisms of single-atom coatings in the field of batteriesand catalysts as well as the application of composite materials prepared by combining single-atom materialswith polymer matrices in the field of metal protection. The preparation methods, application prospects,and coating characteristics of various single-atom composites were summarized. In addition,we discuss the potential applications of single-atom coatings in the design of future composite coatings.