双金属原子电催化剂的研究进展

Research Progress of Dual-Metal Atom Electrocatalysts

双金属原子催化剂(DACs)具有原子利用率高、选择性高、稳定性好的特点。由于各种金属的活性中心在提高其催化活性方面具有协同效应,因此在多相电催化领域得到了广泛关注。本文综述了DACs的制备方法,以及其在多种催化反应中的最新应用进展,讨论了2个金属中心的协同效应以及催化剂的电子结构,对目前面临的挑战与未来的发展方向进行了展望。

Dual-metal single-atom catalysts(DACs),featuring high atomic utilization efficiency,excellent selectivity,and stability originating,was emerged as a new frontier in heterogeneous electrocatalysis due to the synergistic effect between diversified metal active sites in promoting their catalytic activity.In this paper,the recent progress and development on the syntheses and applications for various catalytic reactions were summarized,and synergistic effect between the two metal centers and electronic structures of catalysts was systematically discussed.Moreover,the future challenges and prospects in developing practical DACs were also discussed.