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Woldu AR, Harrath K, Huang Z, Wang X, Huang XC, Astruc D, Hu L. Theoretically Designed Cu 10Sn 3-Cu-SnO x as Three-Component Electrocatalyst for Efficient and Tunable CO 2 Reduction to Syngas. Small 2024; 20:e2307862. [PMID: 38054770 DOI: 10.1002/smll.202307862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/22/2023] [Indexed: 12/07/2023]
Abstract
Electrocatalytic transformation of CO2 to various syngas compositions is an exceedingly attractive approach to carbon-neutral recycling. Meanwhile, the achievement of selectivity, stability, and tunability of product ratios using single-component electrocatalysts is challenging. Herein, the theoretically-assisted design of the triple-component nanocomposite electrocatalyst Cu10Sn3-Cu-SnOx that addresses this challenge is presented. It is shown that Cu10Sn3 is a valuable electrocatalyst for suitable CO2 reduction to CO, SnO2 for CO2 reduction to formate at large overpotentials, and that the Cu-SnO2 interface facilitates H2 evolution. Accordingly, the interaction between the three functional components affords tunable CO/H2 ratios, from 1:2 to 2:1, of the produced syngas by controlling the applied potentials and relative contents of functional components. The syngas generation is selective (Faradaic efficiency, FE = 100%) at relatively lower cathodic potentials, whereas formate is the only liquid product detected at relatively higher cathodic potentials. The theoretically guided design approach therefore provides a new opportunity to boost the selectivity and stability of CO2 reduction to tunable syngas.
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Affiliation(s)
- Abebe R Woldu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong, 515063, P. R. China
| | - Karim Harrath
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, P. R. China
| | - Zanling Huang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong, 515063, P. R. China
| | - Xiaoming Wang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong, 515063, P. R. China
| | - Xiao-Chun Huang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong, 515063, P. R. China
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou, 515063, P. R. China
| | - Didier Astruc
- ISM, UMR CNRS 5255, University of Bordeaux, Talence Cedex, 33405, France
| | - Liangsheng Hu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong, 515063, P. R. China
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou, 515063, P. R. China
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Yang R, Zheng X, Fu H, Cao X, Hu Y, Huang Y. Dynamic Restructuring of Cu 7S 4/Cu for Efficient CO 2 Electro-reduction to Formate. ChemSusChem 2024; 17:e202301771. [PMID: 38385812 DOI: 10.1002/cssc.202301771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/29/2024] [Indexed: 02/23/2024]
Abstract
Optimized catalytic properties and reactant adsorption energy played a crucial role in promoting CO2 electrocatalysis. Herein, Cu7S4/Cu underwent in situ dynamic restructuring to generate S-Cu2O/Cu hybrid catalyst for effective electrochemical CO2 reduction to formate that outperformed Cu2O/Cu and Cu7S4. Thermodynamic and in situ Raman spectra revealed that the optimized adsorption of the HCOO* intermediate on S-Cu2O/Cu was regulated and the H2 pathway (surface H) was suppressed by S-doping. Meanwhile, Cu7S4/Cu nanoflowers created abundant boundaries for ECR and strengthened the CO2 adsorption by inducing Cu. These findings provide a new perspective on synthetic methods for various electrocatalytic reduction processes.
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Affiliation(s)
- Rui Yang
- School of Materials and Chemistry, Biomass Molecular Engineering Center, Anhui Agriculture University, Hefei, 230036, P.R. China
- Advanced Materials and Catalysis Group, State Key Laboratory of Clean Energy Utilization, Center of Chemistry for Frontier Technologies, Institute of Catalysis, Department of Chemistry, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Xiaozhong Zheng
- Advanced Materials and Catalysis Group, State Key Laboratory of Clean Energy Utilization, Center of Chemistry for Frontier Technologies, Institute of Catalysis, Department of Chemistry, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Hao Fu
- School of Materials and Chemistry, Biomass Molecular Engineering Center, Anhui Agriculture University, Hefei, 230036, P.R. China
| | - Xinyue Cao
- School of Materials and Chemistry, Biomass Molecular Engineering Center, Anhui Agriculture University, Hefei, 230036, P.R. China
| | - Yangguang Hu
- Hefei National Laboratory for Physical Sciences at the Microscale, iChEM, School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Yiyin Huang
- College of Physics and Energy, Fujian Normal University, Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, Fuzhou, 350117, China
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Yang JH, Hwang SY, Maeng JY, Park GE, Yang SY, Rhee CK, Sohn Y. Opening Direct Electrochemical Fischer-Tropsch Synthesis Path by Interfacial Engineering of Cu Electrode with P-Block Elements. ACS Appl Mater Interfaces 2024; 16:3368-3387. [PMID: 38214573 DOI: 10.1021/acsami.3c15596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
The electrochemical synthesis of syngas (CO and H2) has garnered considerable attention in the context of Fischer-Tropsch (FT) synthesis employing thermal catalysts. Nonetheless, the need for a novel, cost-effective technique persists. In this investigation, we introduce a direct electrochemical (dEC) approach for FT synthesis that functions under ambient conditions by utilizing a p-block element (Sn and In) overlaid Cu electrode. Surface *CO and H* species were obtained in an electrolytic medium through the CO2 + H+ + e- → HOOCad → *CO (or direct CO adsorption) and H+ + e- → H* reactions, respectively. We have observed C2-7 long-chain hydrocarbons with a CnH2n+2/CnH2n ratio of 1-3, and this observation can be explained through the process of C-C coupling chain growth of the conventional FT synthesis, based on the linearity of the Anderson-Schulz-Flory equation plots. Thick Sn and In overlayers resulted in the dominant production of formate, while CO and C2H4 production were found to be proportional and inversely correlated to H2, C2H6, and C3-7 hydrocarbon production. The EC CO2/CO reduction used in dEC FT synthesis offers valuable insights into the mechanism of C2+ production and holds promise as an eco-friendly approach to producing long-chain hydrocarbons for energy and environmental purposes.
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Affiliation(s)
- Ju Hyun Yang
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Seon Young Hwang
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Ju Young Maeng
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Go Eun Park
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Seo Young Yang
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Choong Kyun Rhee
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Youngku Sohn
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
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Yuan H, Kong B, Liu Z, Cui L, Wang X. Dealloying-derived nanoporous Sn-doped copper with prior selectivity toward formate for CO 2 electrochemical reduction. Chem Commun (Camb) 2023; 60:184-187. [PMID: 38038960 DOI: 10.1039/d3cc04825j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
We report nanoporous Cu-Sn catalysts fabricated by chemically dealloying rapid solidified Al-Cu-Sn alloys for the CO2RR. The np-Cu11Sn1 catalyst exhibits a three-dimensional interconnected ligament-channel network structure, which can efficiently convert CO2 to formate with a Faradaic efficiency (FE) of 72.1% at -1.0 V (vs. RHE).
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Affiliation(s)
- Hefeng Yuan
- Institute of Resources and Environmental Engineering, Shanxi University, Taiyuan 030006, China.
| | - Bohao Kong
- Laboratory of Advanced Materials and Energy Electrochemistry, College of Materials Science & Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China.
| | - Zhehao Liu
- Laboratory of Advanced Materials and Energy Electrochemistry, College of Materials Science & Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China.
| | - Li Cui
- Institute of Resources and Environmental Engineering, Shanxi University, Taiyuan 030006, China.
| | - Xiaoguang Wang
- Laboratory of Advanced Materials and Energy Electrochemistry, College of Materials Science & Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China.
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Wang M, Chen H, Wang M, Wang J, Tuo Y, Li W, Zhou S, Kong L, Liu G, Jiang L, Wang G. Tuning C 1 /C 2 Selectivity of CO 2 Electrochemical Reduction over in-Situ Evolved CuO/SnO 2 Heterostructure. Angew Chem Int Ed Engl 2023; 62:e202306456. [PMID: 37485764 DOI: 10.1002/anie.202306456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/17/2023] [Accepted: 07/21/2023] [Indexed: 07/25/2023]
Abstract
Heterostructured oxides with versatile active sites, as a class of efficient catalysts for CO2 electrochemical reduction (CO2 ER), are prone to undergo structure reconstruction under working conditions, thus bringing challenges to understanding the reaction mechanism and rationally designing catalysts. Herein, we for the first time elucidate the structural reconstruction of CuO/SnO2 under electrochemical potentials and reveal the intrinsic relationship between CO2 ER product selectivity and the in situ evolved heterostructures. At -0.85 VRHE , the CuO/SnO2 evolves to Cu2 O/SnO2 with high selectivity to HCOOH (Faradaic efficiency of 54.81 %). Mostly interestingly, it is reconstructed to Cu/SnO2-x at -1.05 VRHE with significantly improved Faradaic efficiency to ethanol of 39.8 %. In situ Raman spectra and density functional theory (DFT) calculations reveal that the synergetic absorption of *COOH and *CHOCO intermediates at the interface of Cu/SnO2-x favors the formation of *CO and decreases the energy barrier of C-C coupling, leading to high selectivity to ethanol.
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Affiliation(s)
- Min Wang
- Nanomaterials and Electrocatalysis Laboratory, College of Materials Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao, 266042, P. R. China
| | - Huimin Chen
- Nanomaterials and Electrocatalysis Laboratory, College of Materials Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao, 266042, P. R. China
| | - Min Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China
| | - Jinxiu Wang
- Nanomaterials and Electrocatalysis Laboratory, College of Materials Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao, 266042, P. R. China
| | - Yongxiao Tuo
- State Key Laboratory of Heavy Oil Processing, College of New Energy, China University of Petroleum (East China), Qingdao, Shandong, 266580, P. R. China
| | - Wenzhen Li
- Department of Chemical & Biological Engineering, Iowa State University, Ames, IA 50011-1098, USA
| | - Shanshan Zhou
- Nanomaterials and Electrocatalysis Laboratory, College of Materials Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao, 266042, P. R. China
| | - Linghui Kong
- Nanomaterials and Electrocatalysis Laboratory, College of Materials Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao, 266042, P. R. China
| | - Guangbo Liu
- Nanomaterials and Electrocatalysis Laboratory, College of Materials Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao, 266042, P. R. China
| | - Luhua Jiang
- Nanomaterials and Electrocatalysis Laboratory, College of Materials Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao, 266042, P. R. China
| | - Guoxiong Wang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
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6
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Li M, Zhang JN. Rational design of bimetallic catalysts for electrochemical CO2 reduction reaction: A review. Sci China Chem 2023. [DOI: 10.1007/s11426-023-1565-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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