Stable and Efficient Single-Atom Zn Catalyst for CO 2  Reduction to CH 4

Han, Lili; Song, Shoujie; Liu, Mingjie; Yao, Siyu; Liang, Zhixiu; Cheng, Hao; Ren, Zhouhong; Liu, Wei; Lin, Ruoqian; Qi, Gaocan; Liu, Xijun; Wu, Qin; Luo, Jun; Xin, Huolin L.

doi:10.1021/jacs.9b12111

articleJournal of the American Chemical SocietyJun 14, 2020GREEN OA

Stable and Efficient Single-Atom Zn Catalyst for CO 2 Reduction to CH 4

LHLili Han SSShoujie Song MLMingjie Liu SYSiyu Yao ZLZhixiu Liang

Tianjin University of Technology · University of California, Irvine · +1 more institution

PubMed

Indexed incrossrefpubmed

Abstract

The development of highly active and durable catalysts for electrochemical reduction of CO2 (ERC) to CH4 in aqueous media is an efficient and environmentally friendly solution to address global problems in energy and sustainability. In this work, an electrocatalyst consisting of single Zn atoms supported on microporous N-doped carbon was designed to enable multielectron transfer for catalyzing ERC to CH4 in 1 M KHCO3 solution. This catalyst exhibits a high Faradaic efficiency (FE) of 85%, a partial current density of −31.8 mA cm–2 at a potential of −1.8 V versus saturated calomel electrode, and remarkable stability, with neither an obvious current drop nor large FE fluctuation observed during 35 h of ERC,…

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Topics & keywords

Topics

Keywords

Chemistry
Catalysis
Electrocatalyst
Faraday efficiency
Electrochemistry
Microporous material
Saturated calomel electrode
Inorganic chemistry

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