Atomically Dispersed Indium Sites for Selective CO2 Electroreduction to Formic Acid
Lu, Peilong1,2; Tan, Xin3; Zhao, Haitao4; Xiang, Qian5; Liu, Kaili1; Zhao, Xiaoxu6; Yin, Xinmao7,8; Li, Xinzhe9; Hai, Xiao9; Xi, Shibo10; Wee, Andrew T. S.7; Pennycook, Stephen J.6; Yu, Xuefeng4; Yuan, Menglei2; Wu, Jianbo5; Zhang, Guangjin2; Smith, Sean C.3; Yin, Zongyou1
Source PublicationACS NANO

An atomically dispersed structure is attractive for electrochemically converting carbon dioxide (CO2) to fuels and feedstock due to its unique properties and activity. Most single-atom electrocatalysts are reported to reduce CO2 to carbon monoxide (CO). Herein, we develop atomically dispersed indium (In) on a nitrogen-doped carbon skeleton (In-N-C) as an efficient catalyst to produce formic acid/formate in aqueous media, reaching a turnover frequency as high as 26771 h(-1) at -0.99 V relative to a reversible hydrogen electrode (RHE). Electrochemical measurements show that trace amounts of In loaded on the carbon matrix significantly improve the electrocatalytic behavior for the CO2 reduction reaction, outperforming conventional metallic In catalysts. Further experiments and density functional theory (DFT) calculations reveal that the formation of intermediate *OCHO on isolated In sites plays a pivotal role in the efficiency of the CO2-to-formate process, which has a lower energy barrier than that on metallic In.

KeywordCarbon Dioxide Reduction Single-atom Catalyst Indium Formate Production Renewable Energy
Funding ProjectAustralian Research Council[DP190100295] ; Australian Research Council[LE190100014] ; Australian Research Council[LE19 0100021] ; ANU Futures Scheme[Q4601024] ; ANU Global Research Partnership Scheme[R468504649] ; Key Program for International Science and Technology Cooperation Projects of China[2018YFE0124600] ; Australian Government
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationAustralian Research Council ; ANU Futures Scheme ; ANU Global Research Partnership Scheme ; Key Program for International Science and Technology Cooperation Projects of China ; Australian Government
WOS IDWOS:000634569100174
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Document Type期刊论文
Corresponding AuthorZhang, Guangjin; Smith, Sean C.; Yin, Zongyou
Affiliation1.Australian Natl Univ, Coll Sci, Res Sch Chem, Canberra, ACT 2601, Australia
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Australian Natl Univ, Res Sch Phys, Dept Appl Math, Integrated Mat Design Lab, Canberra, ACT 2601, Australia
4.Chinese Acad Sci, Mat Interfaces Ctr, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China
5.Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
6.Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore
7.Natl Univ Singapore, Fac Sci, Dept Phys, Singapore 117542, Singapore
8.Natl Univ Singapore, Singapore Synchrotron Light Source, Singapore 117603, Singapore
9.Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
10.ASTAR, Inst Chem & Engn Sci, Singapore 627833, Singapore
Recommended Citation
GB/T 7714
Lu, Peilong,Tan, Xin,Zhao, Haitao,et al. Atomically Dispersed Indium Sites for Selective CO2 Electroreduction to Formic Acid[J]. ACS NANO,2021,15(3):5671-5678.
APA Lu, Peilong.,Tan, Xin.,Zhao, Haitao.,Xiang, Qian.,Liu, Kaili.,...&Yin, Zongyou.(2021).Atomically Dispersed Indium Sites for Selective CO2 Electroreduction to Formic Acid.ACS NANO,15(3),5671-5678.
MLA Lu, Peilong,et al."Atomically Dispersed Indium Sites for Selective CO2 Electroreduction to Formic Acid".ACS NANO 15.3(2021):5671-5678.
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