文献类型：期刊文献

英文题名：Enhancing Local CO2 Adsorption by L-histidine Incorporation for Selective Formate Production Over the Wide Potential Window

作者：Li, Yicheng[1];Delmo, Ernest Pahuyo[2];Hou, Guoyu[1];Cui, Xianglong;Zhao, Ming[3];Tian, Zhihong[4];Zhang, Yu[1];Shao, Minhua[2]

机构：[1]East China Univ Sci & Technol, Sch Mech & Power Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China;[2]Hong Kong Univ Sci & Technol, Dept Chem & Biol Engn, Kowloon, Clear Water Bay, Hong Kong, Peoples R China;[3]Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore;[4]Henan Univ, Engn Res Ctr Nanomat, Kaifeng 475004, Peoples R China

年份：2023

卷号：62

期号：49

外文期刊名：ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

收录：;EI(收录号：20234414990265);WOS:【SCI-EXPANDED(收录号:WOS:001098163400001)】；

基金：This work was supported by the National Natural Science Foundation of China (No. 22109044), Natural Science Foundation of Shanghai, China (No. 22ZR1418500), and start-up funds from the East China University of Science and Technology. This work was also supported by the Research Grant Council (16304821 and 16310419) and Innovation and Technology Commission via the Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, and Hong Kong Branch of the National Precious Metals Material Engineering Research Center of the Hong Kong Special Administrative Region.

语种：英文

外文关键词：Bismuth-Based Catalyst; CO2 Adsorption; CO2 Reduction; Electrocatalysis; Formate

摘要：Electrochemical carbon dioxide reduction reaction (CO2RR) to produce valuable chemicals is a promising pathway to alleviate the energy crisis and global warming issues. However, simultaneously achieving high Faradaic efficiency (FE) and current densities of CO2RR in a wide potential range remains as a huge challenge for practical implements. Herein, we demonstrate that incorporating bismuth-based (BH) catalysts with L-histidine, a common amino acid molecule of proteins, is an effective strategy to overcome the inherent trade-off between the activity and selectivity. Benefiting from the significantly enhanced CO2 adsorption capability and promoted electron-rich nature by L-histidine integrity, the BH catalyst exhibits excellent FEformate in the unprecedented wide potential windows (>90 % within -0.1--1.8 V and >95 % within -0.2--1.6 V versus reversible hydrogen electrode, RHE). Excellent CO2RR performance can still be achieved under the low-concentration CO2 feeding (e.g., 20 vol.%). Besides, an extremely low onset potential of -0.05 VRHE (close to the theoretical thermodynamic potential of -0.02 VRHE) was detected by in situ ultraviolet-visible (UV-Vis) measurements, together with stable operation over 50 h with preserved FE(formate )of approximate to 95 % and high partial current density of 326.2 mA cm-2 at -1.0 V-RHE.