Sulfide-Derived Copper for Electrochemical Conversion of CO2 to Formic Acid

被引：90

作者：

Phillips, Katherine R. ^{[1
]}

Katayama, Yu ^{[1
]}

Hwang, Jonathan ^{[1
]}

Shao-Horn, Yang ^{[1
]}

机构：

[1] MIT, Electrochem Energy Lab, Cambridge, MA 02139 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2018年 / 9卷 / 15期

关键词：

CARBON-DIOXIDE; REDUCTION; ELECTROREDUCTION; CATALYSTS; SURFACE; CU; HYDROCARBONS; SELECTIVITY; ABSORPTION; MECHANISM;

D O I：

10.1021/acs.jpclett.8b01601

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The electrochemical CO2 reduction reaction (CO2RR) has gained attention recently due to rising concern over atmospheric carbon levels, but catalyst selectivity and efficiency remain a challenge, particularly for products other than CO. Here, we report the selective formation of formate using a sulfide-derived copper (SD-Cu) catalyst for CO2RR On the basis of in situ and postelectrolysis spectroscopy, we propose that this selectivity is due to stronger binding of the CO intermediate originating from remaining subsurface sulfur atoms.

引用

页码：4407 / 4412

页数：11

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