Single Mo atom realized enhanced CO2 electro-reduction into formate on N-doped graphene

摘要

The electroreduction of CO2 suffers from competing HER effect, low product selectivity and low stability towards broader potential range thus the design and synthesis of novel electrocatalysts is a pursuit for scientists to further realize the high electroreduction efficiency and selectivity for years. Herein we report a work on the electrocatalytic reduction of CO2 into formate using scarce single Mo atom loaded ultrathin N doped graphene. When using 4 mol% ionic liquids (ILs) as the electrolytes the electrocatalyst was very efficient and realized impressed promotion than conventional N doped graphene. The faraday efficiency of electrocatalytic CO2 into formate on Mo@NG got enhanced over 100% than N doped graphene and reached formate yield of 747 mmol/(g(catal).h). Our results might inspire the fabrication and construct of low-cost, high-efficiency electrocatalysts for CO2 reduction fuel production in the future.