Breakthrough in CO2 Electroreduction to Multi‐Carbon Products at Ampere‐Level Enabled by Active Sites Engineering

Author:

Sun Ying12ORCID,Luo Zhenghong3,Qiu Jieshan2ORCID

Affiliation:

1. Institute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University 110036 Shenyang China

2. State Key Laboratory of Chemical Resource Engineering College of Chemical Engineering Beijing University of Chemical Technology 100029 Beijing China

3. State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering College of Chemistry and Chemical Engineering Ningxia University 750021 Yinchuan China

Abstract

AbstractEfficient production of value‐added chemicals with high selectivity from CO2 electroreduction at industrial‐level current density is highly demanded, yet remains a big challenge. In a recent issue of Angewandte Chemie, Han and colleagues have elegantly increased the Faradaic efficiency (FE) of multi‐carbon (C2+) products to over 70 % at amperes level (1.4 A cm−2) by engineering the active sites for the key reactions involved in the CO2 electroreduction. In this study, the highly dispersed Pd atoms have two unique functions: active sites for water dissociation and to induce the electron rearrangement of the surrounding Cu atoms to form new active sites for CO conversion, while the Cu far from Pd are the active sites for efficient CO2 conversion to CO, the synergistic functions of these three active sites result in high FE and yields of C2+ products at industrial‐level current density. This research is a remarkable step forward in the methodology for developing efficient and durable catalysts for CO2 electroreduction and beyond.

Funder

National Natural Science Foundation of China

Publisher

Wiley

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