公开(公告)号：US11105009B2

公开(公告)日：2021-08-31

申请号：US16325860

申请日：2017-12-20

Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES

Inventor： Bin Liu ,  Hongbin Yang ,  Yanqiang Huang ,  Song Liu ,  Tao Zhang

IPC: C25B11/044 ,  C01B32/184 ,  B01J37/08 ,  B01J35/00 ,  C01B32/194 ,  C01B32/40 ,  B01J23/755 ,  B01J23/745 ,  C25B1/00 ,  H01M4/90 ,  C25B11/031

Abstract: The present invention relates to a graphene material inlaid with single metal atoms, the preparation method thereof and its application of being used as the catalyst for the electroreduction of carbon dioxide. The graphene material inlaid with single metal atoms comprises single metal atoms and graphene; the single metal atoms are dispersed in the framework of the graphene; and the graphene is at least one selected from N doped graphene and N and S co-doped graphene. The material is used for the electrochemical reduction reaction of carbon dioxide, which significantly improves the utilization efficiency of the metal atoms and enhances the catalytic activity for the electroreduction of carbon dioxide, improves the catalytic stability, inhibits effectively the hydrogen evolution reaction, improves the selectivity for CO product, and broadens the electric potential window of reducing carbon dioxide to generate CO.