Design of a Single-Atom Indiumδ+–N4 Interface for Efficient Electroreduction of CO2 to Formate

Huishan Shang; Tao Wang; Jiajing Pei; Zhuoli Jiang; Danni Zhou; Yu Wang; Haijing Li; Juncai Dong; Zhongbin Zhuang; Wenxing Chen; Dingsheng Wang; Jiatao Zhang; Yadong Li

doi:10.1002/anie.202010903

Design of a Single-Atom Indium^δ+–N₄ Interface for Efficient Electroreduction of CO₂ to Formate

Huishan Shang, Tao Wang, Jiajing Pei, Zhuoli Jiang, Danni Zhou, Yu Wang, Haijing Li, Juncai Dong, Zhongbin Zhuang, Wenxing Chen^*, Dingsheng Wang^*, Jiatao Zhang^*, Yadong Li

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

272 Citations (Scopus)

Abstract

Main-group element indium (In) is a promising electrocatalyst which triggers CO₂ reduction to formate, while the high overpotential and low Faradaic efficiency (FE) hinder its practical application. Herein, we rationally design a new In single-atom catalyst containing exclusive isolated In^δ+–N₄ atomic interface sites for CO₂ electroreduction to formate with high efficiency. This catalyst exhibits an extremely large turnover frequency (TOF) up to 12500 h⁻¹ at −0.95 V versus the reversible hydrogen electrode (RHE), with a FE for formate of 96 % and current density of 8.87 mA cm⁻² at low potential of −0.65 V versus RHE. Our findings present a feasible strategy for the accurate regulation of main-group indium catalysts for CO₂ reduction at atomic scale.

Original language	English
Pages (from-to)	22465-22469
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	59
Issue number	50
DOIs	https://doi.org/10.1002/anie.202010903
Publication status	Published - 7 Dec 2020

Keywords

CO electroreduction reaction
formate
indium
main group elements
single-atom catalysts

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10.1002/anie.202010903

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abstract = "Main-group element indium (In) is a promising electrocatalyst which triggers CO2 reduction to formate, while the high overpotential and low Faradaic efficiency (FE) hinder its practical application. Herein, we rationally design a new In single-atom catalyst containing exclusive isolated Inδ+–N4 atomic interface sites for CO2 electroreduction to formate with high efficiency. This catalyst exhibits an extremely large turnover frequency (TOF) up to 12500 h−1 at −0.95 V versus the reversible hydrogen electrode (RHE), with a FE for formate of 96 % and current density of 8.87 mA cm−2 at low potential of −0.65 V versus RHE. Our findings present a feasible strategy for the accurate regulation of main-group indium catalysts for CO2 reduction at atomic scale.",

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AU - Shang, Huishan

AU - Wang, Tao

AU - Pei, Jiajing

AU - Jiang, Zhuoli

AU - Zhou, Danni

AU - Wang, Yu

AU - Li, Haijing

AU - Dong, Juncai

AU - Zhuang, Zhongbin

AU - Chen, Wenxing

AU - Wang, Dingsheng

AU - Zhang, Jiatao

AU - Li, Yadong

PY - 2020/12/7

Y1 - 2020/12/7

N2 - Main-group element indium (In) is a promising electrocatalyst which triggers CO2 reduction to formate, while the high overpotential and low Faradaic efficiency (FE) hinder its practical application. Herein, we rationally design a new In single-atom catalyst containing exclusive isolated Inδ+–N4 atomic interface sites for CO2 electroreduction to formate with high efficiency. This catalyst exhibits an extremely large turnover frequency (TOF) up to 12500 h−1 at −0.95 V versus the reversible hydrogen electrode (RHE), with a FE for formate of 96 % and current density of 8.87 mA cm−2 at low potential of −0.65 V versus RHE. Our findings present a feasible strategy for the accurate regulation of main-group indium catalysts for CO2 reduction at atomic scale.

AB - Main-group element indium (In) is a promising electrocatalyst which triggers CO2 reduction to formate, while the high overpotential and low Faradaic efficiency (FE) hinder its practical application. Herein, we rationally design a new In single-atom catalyst containing exclusive isolated Inδ+–N4 atomic interface sites for CO2 electroreduction to formate with high efficiency. This catalyst exhibits an extremely large turnover frequency (TOF) up to 12500 h−1 at −0.95 V versus the reversible hydrogen electrode (RHE), with a FE for formate of 96 % and current density of 8.87 mA cm−2 at low potential of −0.65 V versus RHE. Our findings present a feasible strategy for the accurate regulation of main-group indium catalysts for CO2 reduction at atomic scale.

KW - CO electroreduction reaction

KW - formate

KW - indium

KW - main group elements

KW - single-atom catalysts

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JF - Angewandte Chemie - International Edition

IS - 50

ER -

Design of a Single-Atom Indium^δ+–N₄ Interface for Efficient Electroreduction of CO₂ to Formate

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