1
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Yang H, Guo N, Xi S, Wu Y, Yao B, He Q, Zhang C, Wang L. Potential-driven structural distortion in cobalt phthalocyanine for electrocatalytic CO 2/CO reduction towards methanol. Nat Commun 2024; 15:7703. [PMID: 39231997 PMCID: PMC11375126 DOI: 10.1038/s41467-024-52168-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 08/28/2024] [Indexed: 09/06/2024] Open
Abstract
Cobalt phthalocyanine immobilized on carbon nanotube has demonstrated appreciable selectivity and activity for methanol synthesis in electrocatalytic CO2/CO reduction. However, discrepancies in methanol production selectivity and activity between CO2 and CO reduction have been observed, leading to inconclusive mechanisms for methanol production in this system. Here, we discover that the interaction between cobalt phthalocyanine molecules and defects on carbon nanotube substrate plays a key role in methanol production during CO2/CO electroreduction. Through detailed operando X-ray absorption and infrared spectroscopies, we find that upon application of cathodic potential, this interaction induces the transformation of the planar CoN4 center in cobalt phthalocyanine to an out-of-plane distorted configuration. Consequently, this potential induced structural change promotes the transformation of linearly bonded *CO at the CoN4 center to bridge *CO, thereby facilitating methanol production. Overall, these comprehensive mechanistic investigations and the outstanding performance (methanol partial current density over 150 mA cm-2) provide valuable insights in guiding the activity and selectivity of immobilized cobalt phthalocyanine for methanol production in CO2/CO reduction.
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Affiliation(s)
- Haozhou Yang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Singapore
| | - Na Guo
- National University of Singapore (Chongqing) Research Institute, Building 4, Internet Industrial Park Phase 2, Chongqing Liang Jiang New Area, Chongqing, China
- Department of Physics, National University of Singapore, Singapore, Singapore
| | - Shibo Xi
- Institute of Sustainability for Chemical, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Yao Wu
- Department of Material Science Engineering, National University of Singapore, Singapore, Singapore
| | - Bingqing Yao
- Department of Material Science Engineering, National University of Singapore, Singapore, Singapore
| | - Qian He
- Department of Material Science Engineering, National University of Singapore, Singapore, Singapore
| | - Chun Zhang
- Department of Physics, National University of Singapore, Singapore, Singapore.
- Department of Chemistry, National University of Singapore, Singapore, Singapore.
| | - Lei Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Singapore.
- Centre for Hydrogen Innovations, National University of Singapore, Singapore, Singapore.
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2
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Lim JS, Woo J, Bae G, Yoo S, Kim J, Kim JH, Lee JH, Sa YJ, Jang JW, Hwang YJ, Choi CH, Joo SH. Understanding the preparative chemistry of atomically dispersed nickel catalysts for achieving high-efficiency H 2O 2 electrosynthesis. Chem Sci 2024; 15:13807-13822. [PMID: 39211491 PMCID: PMC11352581 DOI: 10.1039/d4sc03105a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Accepted: 07/25/2024] [Indexed: 09/04/2024] Open
Abstract
Electrochemical hydrogen peroxide (H2O2) production via two-electron oxygen reduction reaction (2e- ORR) has received increasing attention as it enables clean, sustainable, and on-site H2O2 production. Mimicking the active site structure of H2O2 production enzymes, such as nickel superoxide dismutase, is the most intuitive way to design efficient 2e- ORR electrocatalysts. However, Ni-based catalysts have thus far shown relatively low 2e- ORR activity. In this work, we present the design of high-performing, atomically dispersed Ni-based catalysts (Ni ADCs) for H2O2 production through understanding the formation chemistry of the Ni-based active sites. The use of a precoordinated precursor and pyrolysis within a confined nanospace were found to be essential for generating active Ni-N x sites in high density and increasing carbon yields, respectively. A series of model catalysts prepared from coordinating solvents having different vapor pressures gave rise to Ni ADCs with controlled ratios of Ni-N x sites and Ni nanoparticles, which revealed that the Ni-N x sites have greater 2e- ORR activity. Another set of Ni ADCs identified the important role of the degree of distortion from the square planar structure in H2O2 electrosynthesis activity. The optimized catalyst exhibited a record H2O2 electrosynthesis mass activity with excellent H2O2 selectivity.
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Affiliation(s)
- June Sung Lim
- Department of Chemistry, Seoul National University Seoul 08826 Republic of Korea
| | - Jinwoo Woo
- Lotte Chemical Institute of Technology (LCIT) Daejeon 34110 Republic of Korea
| | - Geunsu Bae
- Department of Chemistry, Pohang University of Science and Technology (POSTECH) Pohang 37673 Republic of Korea
| | - Suhwan Yoo
- Department of Chemistry, Seoul National University Seoul 08826 Republic of Korea
| | - Jinjong Kim
- Department of Chemistry, Seoul National University Seoul 08826 Republic of Korea
| | - Jae Hyung Kim
- Clean Fuel Research Laboratory, Korea Institute of Energy Research (KIER) Daejeon 34129 Republic of Korea
| | - Jong Hoon Lee
- UNIST Central Research Facilities, Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
| | - Young Jin Sa
- Department of Chemistry, Kwangwoon University Seoul 01897 Republic of Korea
| | - Ji-Wook Jang
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea
| | - Yun Jeong Hwang
- Department of Chemistry, Seoul National University Seoul 08826 Republic of Korea
| | - Chang Hyuck Choi
- Department of Chemistry, Pohang University of Science and Technology (POSTECH) Pohang 37673 Republic of Korea
- Institute for Convergence Research and Education in Advanced Technology (I-CREATE), Yonsei University Seoul 03722 Republic of Korea
| | - Sang Hoon Joo
- Department of Chemistry, Seoul National University Seoul 08826 Republic of Korea
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3
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Wu F, Liu X, Wang S, Hu L, Kunze S, Xue Z, Shen Z, Yang Y, Wang X, Fan M, Pan H, Gao X, Yao T, Wu Y. Identification of K +-determined reaction pathway for facilitated kinetics of CO 2 electroreduction. Nat Commun 2024; 15:6972. [PMID: 39143059 PMCID: PMC11324943 DOI: 10.1038/s41467-024-50927-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 07/24/2024] [Indexed: 08/16/2024] Open
Abstract
Cations such as K+ play a key part in the CO2 electroreduction reaction, but their role in the reaction mechanism is still in debate. Here, we use a highly symmetric Ni-N4 structure to selectively probe the mechanistic influence of K+ and identify its interaction with chemisorbed CO2-. Our electrochemical kinetics study finds a shift in the rate-determining step in the presence of K+. Spectral evidence of chemisorbed CO2- from in-situ X-ray absorption spectroscopy and in-situ Raman spectroscopy pinpoints the origin of this rate-determining step shift. Grand canonical potential kinetics simulations - consistent with experimental results - further complement these findings. We thereby identify a long proposed non-covalent interaction between K+ and chemisorbed CO2-. This interaction stabilizes chemisorbed CO2- and thus switches the rate-determining step from concerted proton electron transfer to independent proton transfer. Consequently, this rate-determining step shift lowers the reaction barrier by eliminating the contribution of the electron transfer step. This K+-determined reaction pathway enables a lower energy barrier for CO2 electroreduction reaction than the competing hydrogen evolution reaction, leading to an exclusive selectivity for CO2 electroreduction reaction.
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Affiliation(s)
- Feng Wu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, China
- Deep Space Exploration Laboratory, Hefei, China
| | - Xiaokang Liu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, China
| | - Shiqi Wang
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, China
- Deep Space Exploration Laboratory, Hefei, China
| | - Longfei Hu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, China
| | - Sebastian Kunze
- Department of Chemistry, Seoul National University, Seoul, South Korea
| | - Zhenggang Xue
- NEST Lab., Department of Physics, College of Science, Shanghai University, Shanghai, China
| | - Zehao Shen
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, China
- Deep Space Exploration Laboratory, Hefei, China
| | - Yaxiong Yang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, China.
| | - Xinqiang Wang
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, China
| | - Minghui Fan
- the Instruments Center for Physical Science, University of Science and Technology of China, Hefei, China
| | - Hongge Pan
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, China
| | - Xiaoping Gao
- Deep Space Exploration Laboratory, Hefei, China.
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, China.
| | - Tao Yao
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, China.
| | - Yuen Wu
- Key Laboratory of Precision and Intelligent Chemistry, University of Science and Technology of China, Hefei, Anhui, China.
- Deep Space Exploration Laboratory, Hefei, China.
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4
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Ajmal S, Kumar A, Mushtaq MA, Tabish M, Zhao Y, Zhang W, Khan AS, Saad A, Yasin G, Zhao W. Uniting Synergistic Effect of Single-Ni Site and Electric Field of B- Bridged-N for Boosted Electrocatalytic Nitrate Reduction to Ammonia. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310082. [PMID: 38470193 DOI: 10.1002/smll.202310082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 02/19/2024] [Indexed: 03/13/2024]
Abstract
Electrochemical conversion of nitrate, a prevalent water pollutant, to ammonia (NH3) is a delocalized and green path for NH3 production. Despite the existence of different nitrate reduction pathways, selectively directing the reaction pathway on the road to NH3 is now hindered by the absence of efficient catalysts. Single-atom catalysts (SACs) are extensively investigated in a wide range of catalytic processes. However, their application in electrocatalytic nitrate reduction reaction (NO3 -RR) to NH3 is infrequent, mostly due to their pronounced inclination toward hydrogen evolution reaction (HER). Here, Ni single atoms on the electrochemically active carrier boron, nitrogen doped-graphene (BNG) matrix to modulate the atomic coordination structure through a boron-spanning strategy to enhance the performance of NO3 -RR is designed. Density functional theory (DFT) study proposes that BNG supports with ionic characteristics, offer a surplus electric field effect as compared to N-doped graphene, which can ease the nitrate adsorption. Consistent with the theoretical studies, the as-obtained NiSA@BNG shows higher catalytic activity with a maximal NH3 yield rate of 168 µg h-1 cm-2 along with Faradaic efficiency of 95% and promising electrochemical stability. This study reveals novel ways to rationally fabricate SACs' atomic coordination structure with tunable electronic properties to enhance electrocatalytic performance.
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Affiliation(s)
- Saira Ajmal
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Anuj Kumar
- Nano-Technology Research Laboratory, Department of Chemistry, GLA University, Mathura, Uttar Pradesh, 281406, India
| | - Muhammad Asim Mushtaq
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Mohammad Tabish
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yulin Zhao
- School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Wenbin Zhang
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Abdul Sammed Khan
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Ali Saad
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Universitetsbyen 36, Aarhus C, 8000, Denmark
| | - Ghulam Yasin
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Wei Zhao
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong, 518060, China
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5
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Jang I, Lee S, Kim DG, Paidi VK, Lee S, Kim ND, Jung JY, Lee KS, Lim HK, Kim P, Yoo SJ. Instantaneous Thermal Energy for Swift Synthesis of Single-Atom Catalysts for Unparalleled Performance in Metal-Air Batteries and Fuel Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2403273. [PMID: 38742630 DOI: 10.1002/adma.202403273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/05/2024] [Indexed: 05/16/2024]
Abstract
Based on experimental and computational evidence, phthalocyanine (Pc) compounds in the form of quaternary-bound metal-nitrogen (N) atoms are the most effective catalysts for oxygen reduction reaction (ORR). However, the heat treatment process used in their synthesis may compromise the ideal structure, causing the agglomeration of transition metals. To overcome this issue, a novel method is developed for synthesizing iron (Fe) single-atom catalysts with ideal structures supported by thermally exfoliated graphene oxide (GO). This is achieved through a short heat treatment of only 2.5 min involving FePc and N, N-dimethylformamide in the presence of GO. According to the synthesis mechanism revealed by this study, carbon monoxide acts as a strong linker between the single Fe atoms and graphene. It facilitates the formation of a structure containing oxygen species between FeN4 and graphene, which provides high activity and stability for the ORR. These catalysts possess an enormous number of active sites and exhibit enhanced activity toward the alkaline ORR. They demonstrate excellent performance when applied to real electrochemical devices, such as zinc-air batteries and anion exchange membrane fuel cells. It is expected that the instantaneous heat treatment method developed in this study will aid in the development of high-performing single-atom catalysts.
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Affiliation(s)
- Injoon Jang
- Hydrogen·Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
- Department of Chemical Engineering, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Sehyun Lee
- Department of Environment and Energy Engineering, Sungshin Women's University, Seoul, 01133, Republic of Korea
| | - Dong-Gun Kim
- School of Chemical Engineering, School of Semiconductor and Chemical Engineering, Clean Energy Research Center, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Vinod K Paidi
- European Synchrotron Radiation Facility, Grenoble, 38043 Cedex 9, France
| | - Sujin Lee
- School of Chemical Engineering, School of Semiconductor and Chemical Engineering, Clean Energy Research Center, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Nam Dong Kim
- Functional Composite Materials Research Center, Korea Institute of Science and Technology (KIST), Jeollabuk-do, 55324, Republic of Korea
| | - Jae Young Jung
- Fuel Cell Research and Demonstration Center, Hydrogen Energy Institute, Korea Institute of Energy Research (KIER), Joellabuk-do, 56332, Republic of Korea
| | - Kug-Seung Lee
- Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Hyung-Kyu Lim
- Division of Chemical and Bioengineering, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Pil Kim
- School of Chemical Engineering, School of Semiconductor and Chemical Engineering, Clean Energy Research Center, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Sung Jong Yoo
- Hydrogen·Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
- Division of Energy & Environmental Technology, KIST school, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
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6
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Bahadur R, Jason J I, Sakamoto Y, Chang S, Yu X, Breese MB, Bhargava SK, Lee JM, Panigrahi P, Vinu A. Nanohybrids of BCN-Fe 1-xS for Sodium and Lithium Hybrid Ion Capacitors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311945. [PMID: 38196051 DOI: 10.1002/smll.202311945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 12/26/2023] [Indexed: 01/11/2024]
Abstract
Hybrid ion capacitors (HIC) are receiving a lot of attention due to their potential to achieve high energy and power densities, but they remain insufficient. It is imperative to explore outstanding and environmentally benign electrode materials to achieve high-performing HIC systems. Here, a unique boron carbon nitride (BCN)-based HIC system that comprises a microporous BCN structure and Fe1-xS nanoparticle incorporated BCN nanosheets (BNF) as cathode and anode, respectively is reported. The BNF is prepared through a facile one-pot calcination process using dithiooxamide (DTO), boric acid, and iron source. In situ, crystal growth of Fe1-xS facilitates the formation of BCN structure through the creation of holes/defects in the polymeric structure. The first principle density functional (DFT) theory simulations demonstrate the structural and electronic properties of the hybrid of BCN and Fe1-xS as compelling anode materials for HIC applications. The DFT calculations reveal that both BCN and BNF structures have excellent metallic characters with Li+ storage capacities of 128.4 and 1021.38 mAh g-1 respectively. These findings are confirmed experimentally where the BCN-based HIC system delivers exceptional energy and power densities of 267.5 Wh kg-1/749.5 W kg-1 toward Li+ storage, which outweighs previous HIC performances and demonstrates favorable performance for Li+ and Na+ storages.
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Affiliation(s)
- Rohan Bahadur
- College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Ian Jason J
- Centre for Clean Energy and Nano Convergence, Hindustan Institute of Technology and Science, Chennai, 603103, India
| | - Yasuhiro Sakamoto
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - Shery Chang
- School of Materials Science and Engineering, UNSW Sydney, Sydney, NSW, 2052, Australia
- Electron Microscope Unit, Mark Wainwright Analytical Centre, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - Xiaojiang Yu
- Singapore Synchrotron Light Source, National University of Singapore, Singapore, 117603, Singapore
| | - Mark Bh Breese
- Singapore Synchrotron Light Source, National University of Singapore, Singapore, 117603, Singapore
- Department of Physics, National University of Singapore, Singapore, 117542, Singapore
| | - Suresh K Bhargava
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, Royal Melbourne Institute of Technology (RMIT) University, Melbourne, VIC, 3001, Australia
| | - Jang Mee Lee
- College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, Royal Melbourne Institute of Technology (RMIT) University, Melbourne, VIC, 3001, Australia
| | - Puspamitra Panigrahi
- Centre for Clean Energy and Nano Convergence, Hindustan Institute of Technology and Science, Chennai, 603103, India
| | - Ajayan Vinu
- College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
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7
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Qiao Z, Jiang R, Xu H, Cao D, Zeng XC. A General Descriptor for Single-Atom Catalysts with Axial Ligands. Angew Chem Int Ed Engl 2024:e202407812. [PMID: 38771728 DOI: 10.1002/anie.202407812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 05/23/2024]
Abstract
Decoration of an axial coordination ligand (ACL) on the active metal site is a highly effective and versatile strategy to tune activity of single-atom catalysts (SACs). However, the regulation mechanism of ACLs on SACs is still incompletely known. Herein, we investigate diversified combinations of ACL-SACs, including all 3d-5d transition metals and ten prototype ACLs. We identify that ACLs can weaken the adsorption capability of the metal atom (M) by raising the bonding energy levels of the M-O bond while enhancing dispersity of the d orbital of M. Through examination of various local configurations and intrinsic parameters of ACL-SACs, a general structure descriptor σ is constructed to quantify the structure-activity relationship of ACL-SACs which solely based on a few key intrinsic features. Importantly, we also identified the axial ligand descriptor σACL, as a part of σ, which can serve as a potential descriptor to determine the rate-limiting steps (RLS) of ACL-SACs in experiment. And we predicted several ACL-SACs, namely, CrN4-, FeN4-, CoN4-, RuN4-, RhN4-, OsN4-, IrN4- and PtN4-ACLs, that entail markedly higher activities than the benchmark catalysts of Pt and IrO2 for oxygen reduction reaction and oxygen evolution reaction, respectively, thereby supporting that the general descriptor σ can provide a simple and cost-effective method to assess efficient electrocatalysts.
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Affiliation(s)
- Zelong Qiao
- State Key Laboratory of Organic-Inorganic Composites, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Run Jiang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Haoxiang Xu
- State Key Laboratory of Organic-Inorganic Composites, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Dapeng Cao
- State Key Laboratory of Organic-Inorganic Composites, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xiao Cheng Zeng
- Department of Materials Science & Engineering, City University of Hong Kong, Kowloon, 99977, Hong Kong
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8
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Heppe N, Gallenkamp C, Snitkoff-Sol RZ, Paul SD, Segura-Salas N, Haak H, Moritz DC, Kaiser B, Jaegermann W, Potapkin V, Jafari A, Schünemann V, Leupold O, Elbaz L, Krewald V, Kramm UI. Applying Nuclear Forward Scattering as In Situ and Operando Tool for the Characterization of FeN 4 Moieties in the Hydrogen Evolution Reaction. J Am Chem Soc 2024; 146:12496-12510. [PMID: 38630640 PMCID: PMC11082898 DOI: 10.1021/jacs.4c00436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/19/2024]
Abstract
Nuclear forward scattering (NFS) is a synchrotron-based technique relying on the recoil-free nuclear resonance effect similar to Mössbauer spectroscopy. In this work, we introduce NFS for in situ and operando measurements during electrocatalytic reactions. The technique enables faster data acquisition and better discrimination of certain iron sites in comparison to Mössbauer spectroscopy. It is directly accessible at various synchrotrons to a broad community of researchers and is applicable to multiple metal isotopes. We demonstrate the power of this technique with the hydrogen evolution mechanism of an immobilized iron porphyrin supported on carbon. Such catalysts are often considered as model systems for iron-nitrogen-carbon (FeNC) catalysts. Using in situ and operando NFS in combination with theoretical predictions of spectroscopic data enables the identification of the intermediate that is formed prior to the rate-determining step. The conclusions on the reaction mechanism can be used for future optimization of immobilized molecular catalysts and metal-nitrogen-carbon (MNC) catalysts.
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Affiliation(s)
- Nils Heppe
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Charlotte Gallenkamp
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
- Quantum
Chemistry, Eduard-Zintl-Institute of Inorganic and Physical Chemistry,
Department of Chemistry, Technical University
Darmstadt, Peter-Grünberg-Str.
4, 64287 Darmstadt, Germany
| | - Rifael Z. Snitkoff-Sol
- Bar-Ilan
Center for Nanotechnology and Advanced Materials and the Department
of Chemistry, Bar-Ilan University, Ramat-Gan 529002, Israel
| | - Stephen D. Paul
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Nicole Segura-Salas
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Hendrik Haak
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Dominik C. Moritz
- Surface
Science Division, Institute of Materials Science, Department of Materials
and Earth Sciences, Technical University
Darmstadt, Otto-Berndt-Str.
3, 64287 Darmstadt, Germany
| | - Bernhard Kaiser
- Surface
Science Division, Institute of Materials Science, Department of Materials
and Earth Sciences, Technical University
Darmstadt, Otto-Berndt-Str.
3, 64287 Darmstadt, Germany
| | - Wolfram Jaegermann
- Surface
Science Division, Institute of Materials Science, Department of Materials
and Earth Sciences, Technical University
Darmstadt, Otto-Berndt-Str.
3, 64287 Darmstadt, Germany
| | - Vasily Potapkin
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Atefeh Jafari
- Deutsches
Elektronen-Synchrotron, Notkestraße 85, 22607 Hamburg, Germany
| | - Volker Schünemann
- Department
of Physics, University of Kaiserslautern-Landau, Erwin-Schrödinger Straße
56, 67663 Kaiserslautern, Germany
| | - Olaf Leupold
- Deutsches
Elektronen-Synchrotron, Notkestraße 85, 22607 Hamburg, Germany
| | - Lior Elbaz
- Bar-Ilan
Center for Nanotechnology and Advanced Materials and the Department
of Chemistry, Bar-Ilan University, Ramat-Gan 529002, Israel
| | - Vera Krewald
- Quantum
Chemistry, Eduard-Zintl-Institute of Inorganic and Physical Chemistry,
Department of Chemistry, Technical University
Darmstadt, Peter-Grünberg-Str.
4, 64287 Darmstadt, Germany
| | - Ulrike I. Kramm
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
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9
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Xu X, Li X, Lu W, Sun X, Huang H, Cui X, Li L, Zou X, Zheng W, Zhao X. Collective Effect in a Multicomponent Ensemble Combining Single Atoms and Nanoparticles for Efficient and Durable Oxygen Reduction. Angew Chem Int Ed Engl 2024; 63:e202400765. [PMID: 38349119 DOI: 10.1002/anie.202400765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Indexed: 03/01/2024]
Abstract
Metal single-atom catalysts represent one of the most promising non-noble metal catalysts for the oxygen reduction reaction (ORR). However, they still suffer from insufficient activity and, particularly, durability for practical applications. Leveraging density functional theory (DFT) and machine learning (ML), we unravel an unexpected collective effect between FeN4OH sites, CeN4OH motifs, Fe nanoparticles (NPs), and Fe-CeO2 NPs. The collective effect comprises differently-weighted electronic and geometric interactions, whitch results in significantly enhanced ORR activity for FeN4OH active sites with a half-wave potential (E1/2) of 0.948 V versus the reversible hydrogen electrode (VRHE) in alkaline, relative to a commercial Pt/C (E1/2, 0.851 VRHE). Meanwhile, this collective effect endows the shortened Fe-N bonds and the remarkable durability with negligible activity loss after 50,000 potential cycles. The ML was used to understand the intricate geometric and electronic interactions in collective effect and reveal the intrinsic descriptors to account for the enhanced ORR performance. The universality of collective effect was demonstrated effective for the Co, Ni, Cu, Cr, and Mn-based multicomponent ensembles. These results confirm the importance of collective effect to simultaneously improve catalytic activity and durability.
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Affiliation(s)
- Xiaochun Xu
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xinyi Li
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Wenting Lu
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xiaoyuan Sun
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Hong Huang
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xiaoqiang Cui
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Lu Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, China
| | - Xiaoxin Zou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, China
| | - Weitao Zheng
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Xiao Zhao
- Key Laboratory of Automobile Materials of MOE, School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
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10
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Gallenkamp C, Kramm UI, Krewald V. FeN 4 Environments upon Reduction: A Computational Analysis of Spin States, Spectroscopic Properties, and Active Species. JACS AU 2024; 4:940-950. [PMID: 38559729 PMCID: PMC10976608 DOI: 10.1021/jacsau.3c00714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 04/04/2024]
Abstract
FeN4 motifs, found, for instance, in bioinorganic chemistry as heme-type cofactors, play a crucial role in man-made FeNC catalysts for the oxygen reduction reaction. Such single-atom catalysts are a potential alternative to platinum-based catalysts in fuel cells. Since FeNC catalysts are prepared via pyrolysis, the resulting materials are amorphous and contain side phases and impurities. Therefore, the geometric and electronic nature of the catalytically active FeN4 site remains to be clarified. To further understand the behavior of FeN4 centers in electrochemistry and their expected spectroscopic behavior upon reduction, we investigate two FeN4 environments (pyrrolic and pyridinic). These are represented by the model complexes [Fe(TPP)Cl] and [Fe(phen2N2)Cl], where TPP = tetraphenylporphyrin and phen = 1,10-phenanthroline. We predict their Mössbauer, UV-vis, and NRV spectral data using density functional theory as windows into their electronic structure differences. By varying the axial ligand, we further show how well small chemical changes in both complexes can be discerned. We find that the differences in ligand field strength in pyrrolic and pyridinic coordination result in different spin ground states, which in turn leads to distinct Mössbauer spectroscopic properties. As a result, pyrrolic nitrogen donors with a weaker ligand field are predicted to show more pronounced spectroscopic differences under in situ and operando conditions, while pyridinic nitrogen donors are expected to show less pronounced spectroscopic changes upon reduction and/or ligand loss. We therefore suggest that a weaker ligand field leads to better detectability of catalytic intermediates in in situ and operando experiments.
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Affiliation(s)
- Charlotte Gallenkamp
- Theoretische
Chemie, Technische Universität Darmstadt, Peter-Grünberg-Str. 4, 64287 Darmstadt, Germany
| | - Ulrike I. Kramm
- Anorganische
Chemie, Technische Universität Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Vera Krewald
- Theoretische
Chemie, Technische Universität Darmstadt, Peter-Grünberg-Str. 4, 64287 Darmstadt, Germany
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11
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Ei Phyu Win P, Yang J, Ning S, Huang X, Fu G, Sun Q, Xia XH, Wang J. Molecular architectures of iron complexes for oxygen reduction catalysis-Activity enhancement by hydroxide ions coupling. Proc Natl Acad Sci U S A 2024; 121:e2316553121. [PMID: 38437553 PMCID: PMC10945836 DOI: 10.1073/pnas.2316553121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 12/28/2023] [Indexed: 03/06/2024] Open
Abstract
Developing cost-effective and high-performance electrocatalysts for oxygen reduction reaction (ORR) is critical for clean energy generation. Here, we propose an approach to the synthesis of iron phthalocyanine nanotubes (FePc NTs) as a highly active and selective electrocatalyst for ORR. The performance is significantly superior to FePc in randomly aggregated and molecularly dispersed states, as well as the commercial Pt/C catalyst. When FePc NTs are anchored on graphene, the resulting architecture shifts the ORR potentials above the redox potentials of Fe2+/3+ sites. This does not obey the redox-mediated mechanism operative on conventional FePc with a Fe2+-N moiety serving as the active sites. Pourbaix analysis shows that the redox of Fe2+/3+ sites couples with HO- ions transfer, forming a HO-Fe3+-N moiety serving as the ORR active sites under the turnover condition. The chemisorption of ORR intermediates is appropriately weakened on the HO-Fe3+-N moiety compared to the Fe2+-N state and thus is intrinsically more ORR active.
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Affiliation(s)
- Poe Ei Phyu Win
- Innovation Center for Chemical Science, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou215006, China
| | - Jiahui Yang
- Innovation Center for Chemical Science, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou215006, China
| | - Shuwang Ning
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing210023, China
| | - Xiang Huang
- Department of Physics, Southern University of Science and Technology, Shenzhen518055, China
| | - Gengtao Fu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing210023, China
| | - Qiming Sun
- Innovation Center for Chemical Science, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou215006, China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu215123, China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing210023, China
| | - Jiong Wang
- Innovation Center for Chemical Science, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou215006, China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu215123, China
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12
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Zhang P, Chen HC, Zhu H, Chen K, Li T, Zhao Y, Li J, Hu R, Huang S, Zhu W, Liu Y, Pan Y. Inter-site structural heterogeneity induction of single atom Fe catalysts for robust oxygen reduction. Nat Commun 2024; 15:2062. [PMID: 38453927 PMCID: PMC10920901 DOI: 10.1038/s41467-024-46389-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 02/23/2024] [Indexed: 03/09/2024] Open
Abstract
Metal-nitrogen-carbon catalysts with hierarchically dispersed porosity are deemed as efficient geometry for oxygen reduction reaction (ORR). However, catalytic performance determined by individual and interacting sites originating from structural heterogeneity is particularly elusive and yet remains to be understood. Here, an efficient hierarchically porous Fe single atom catalyst (Fe SAs-HP) is prepared with Fe atoms densely resided at micropores and mesopores. Fe SAs-HP exhibits robust ORR performance with half-wave potential of 0.94 V and turnover frequency of 5.99 e-1s-1site-1 at 0.80 V. Theoretical simulations unravel a structural heterogeneity induced optimization, where mesoporous Fe-N4 acts as real active centers as a result of long-range electron regulation by adjacent microporous sites, facilitating O2 activation and desorption of key intermediate *OH. Multilevel operando characterization results identify active Fe sites undergo a dynamic evolution from basic Fe-N4 to active Fe-N3 under working conditions. Our findings reveal the structural origin of enhanced intrinsic activity for hierarchically porous Fe-N4 sites.
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Affiliation(s)
- Peng Zhang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Hsiao-Chien Chen
- Center for Reliability Science and Technologies, Chang Gung University, Taoyuan, 33302, Taiwan
- Kidney Research Center, Department of Nephrology, Chang Gung Memorial Hospital, Linkou, Taoyuan, 33305, Taiwan
| | - Houyu Zhu
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Kuo Chen
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Tuya Li
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yilin Zhao
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Jiaye Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Ruanbo Hu
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Siying Huang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Wei Zhu
- State Key Lab of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yunqi Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China.
| | - Yuan Pan
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China.
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13
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Song W, Xiao C, Ding J, Huang Z, Yang X, Zhang T, Mitlin D, Hu W. Review of Carbon Support Coordination Environments for Single Metal Atom Electrocatalysts (SACS). ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2301477. [PMID: 37078970 DOI: 10.1002/adma.202301477] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/08/2023] [Indexed: 05/03/2023]
Abstract
This topical review focuses on the distinct role of carbon support coordination environment of single-atom catalysts (SACs) for electrocatalysis. The article begins with an overview of atomic coordination configurations in SACs, including a discussion of the advanced characterization techniques and simulation used for understanding the active sites. A summary of key electrocatalysis applications is then provided. These processes are oxygen reduction reaction (ORR), oxygen evolution reaction (OER), hydrogen evolution reaction (HER), nitrogen reduction reaction (NRR), and carbon dioxide reduction reaction (CO2 RR). The review then shifts to modulation of the metal atom-carbon coordination environments, focusing on nitrogen and other non-metal coordination through modulation at the first coordination shell and modulation in the second and higher coordination shells. Representative case studies are provided, starting with the classic four-nitrogen-coordinated single metal atom (MN4 ) based SACs. Bimetallic coordination models including homo-paired and hetero-paired active sites are also discussed, being categorized as emerging approaches. The theme of the discussions is the correlation between synthesis methods for selective doping, the carbon structure-electron configuration changes associated with the doping, the analytical techniques used to ascertain these changes, and the resultant electrocatalysis performance. Critical unanswered questions as well as promising underexplored research directions are identified.
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Affiliation(s)
- Wanqing Song
- Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Caixia Xiao
- Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Jia Ding
- Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Zechuan Huang
- Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Xinyi Yang
- Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Tao Zhang
- Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - David Mitlin
- Materials Science Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712-1591, USA
| | - Wenbin Hu
- Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
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14
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Stracensky T, Jiao L, Sun Q, Liu E, Yang F, Zhong S, Cullen DA, Myers DJ, Kropf AJ, Jia Q, Mukerjee S, Xu H. Bypassing Formation of Oxide Intermediate via Chemical Vapor Deposition for the Synthesis of an Mn-N-C Catalyst with Improved ORR Activity. ACS Catal 2023; 13:14782-14791. [PMID: 38026812 PMCID: PMC10660335 DOI: 10.1021/acscatal.3c01982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023]
Abstract
A significant barrier to the commercialization of proton exchange membrane fuel cells (PEMFCs) is the high cost of the platinum-based oxygen reduction reaction (ORR) cathode electrocatalysts. One viable solution is to replace platinum with a platinum-group metal (PGM) free catalyst with comparable activity and durability. However, PGM-free catalyst development is burdened by a lack of understanding of the active site formation mechanism during the requisite high-temperature synthesis step, thus making rational catalyst design challenging. Herein we demonstrate in-temperature X-ray absorption spectroscopy (XAS) to unravel the mechanism of site evolution during pyrolysis for a manganese-based catalyst. We show the transformation from an initial state of manganese oxides (MnOx) at room temperature, to the emergence of manganese-nitrogen (MnN4) site beginning at 750 °C, with its continued evolution up to the maximum temperature of 1000 °C. The competition between the MnOx and MnN4 is identified as the primary factor governing the formation of MnN4 sites during pyrolysis. This knowledge led us to use a chemical vapor deposition (CVD) method to produce MnN4 sites to bypass the evolution route involving the MnOx intermediates. The Mn-N-C catalyst synthesized via CVD shows improved ORR activity over the Mn-N-C synthesized via traditional synthesis by the pyrolysis of a mixture of Mn, N, and C precursors.
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Affiliation(s)
- Thomas Stracensky
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Li Jiao
- Department
of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, United States
| | - Qiang Sun
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Ershuai Liu
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Fan Yang
- Giner,
Inc, Newton, Massachusetts 02466, United States
| | - Sichen Zhong
- Giner,
Inc, Newton, Massachusetts 02466, United States
| | - David A. Cullen
- Center
for Nanophase Materials Sciences, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Deborah J. Myers
- Chemical
Sciences and Engineering Division, Argonne
National Laboratory, Lemont, Illinois 60439, United States
| | - A. Jeremy Kropf
- Chemical
Sciences and Engineering Division, Argonne
National Laboratory, Lemont, Illinois 60439, United States
| | - Qingying Jia
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Sanjeev Mukerjee
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Hui Xu
- Giner,
Inc, Newton, Massachusetts 02466, United States
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15
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Pedersen A, Bagger A, Barrio J, Maillard F, Stephens IEL, Titirici MM. Atomic metal coordinated to nitrogen-doped carbon electrocatalysts for proton exchange membrane fuel cells: a perspective on progress, pitfalls and prospectives. JOURNAL OF MATERIALS CHEMISTRY. A 2023; 11:23211-23222. [PMID: 38013915 PMCID: PMC10629202 DOI: 10.1039/d3ta04711c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/05/2023] [Indexed: 11/29/2023]
Abstract
Proton exchange membrane fuel cells require reduced construction costs to improve commercial viability, which can be fueled by elimination of platinum as the O2 reduction electrocatalyst. The past 10 years has seen significant developments in synthesis, characterisation, and electrocatalytic performance of the most promising alternative electrocatalyst; single metal atoms coordinated to nitrogen-doped carbon (M-N-C). In this Perspective we recap some of the important achievements of M-N-Cs in the last decade, as well as discussing current knowledge gaps and future research directions for the community. We provide a new outlook on M-N-C stability and atomistic understanding with a set of original density functional theory simulations.
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Affiliation(s)
- Angus Pedersen
- Department of Materials, Royal School of Mines, Imperial College London London SW7 2AZ England UK
- Department of Chemical Engineering, Imperial College London London SW7 2AZ England UK
| | - Alexander Bagger
- Department of Materials, Royal School of Mines, Imperial College London London SW7 2AZ England UK
- Department of Physics, Technical University of Denmark Kongens Lyngby 2800 Denmark
| | - Jesús Barrio
- Department of Chemical Engineering, Imperial College London London SW7 2AZ England UK
| | - Frédéric Maillard
- University Grenoble Alpes, University Savoie-Mont-Blanc, CNRS, Grenoble-INP, LEPMI 38000 Grenoble France
| | - Ifan E L Stephens
- Department of Materials, Royal School of Mines, Imperial College London London SW7 2AZ England UK
| | - Maria-Magdalena Titirici
- Department of Chemical Engineering, Imperial College London London SW7 2AZ England UK
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University 2-1-1 Katahira, Aobaku Sendai Miyagi 980-8577 Japan
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16
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Zhao H, Lv X, Wang Y. Realistic Modeling of the Electrocatalytic Process at Complex Solid-Liquid Interface. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303677. [PMID: 37749877 PMCID: PMC10646274 DOI: 10.1002/advs.202303677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/02/2023] [Indexed: 09/27/2023]
Abstract
The rational design of electrocatalysis has emerged as one of the most thriving means for mitigating energy and environmental crises. The key to this effort is the understanding of the complex electrochemical interface, wherein the electrode potential as well as various internal factors such as H-bond network, adsorbate coverage, and dynamic behavior of the interface collectively contribute to the electrocatalytic activity and selectivity. In this context, the authors have reviewed recent theoretical advances, and especially, the contributions to modeling the realistic electrocatalytic processes at complex electrochemical interfaces, and illustrated the challenges and fundamental problems in this field. Specifically, the significance of the inclusion of explicit solvation and electrode potential as well as the strategies toward the design of highly efficient electrocatalysts are discussed. The structure-activity relationships and their dynamic responses to the environment and catalytic functionality under working conditions are illustrated to be crucial factors for understanding the complexed interface and the electrocatalytic activities. It is hoped that this review can help spark new research passion and ultimately bring a step closer to a realistic and systematic modeling method for electrocatalysis.
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Affiliation(s)
- Hongyan Zhao
- Department of Chemistry and Guangdong Provincial Key Laboratory of CatalysisSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Xinmao Lv
- Department of Chemistry and Guangdong Provincial Key Laboratory of CatalysisSouthern University of Science and TechnologyShenzhenGuangdong518055China
| | - Yang‐Gang Wang
- Department of Chemistry and Guangdong Provincial Key Laboratory of CatalysisSouthern University of Science and TechnologyShenzhenGuangdong518055China
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17
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Yi SY, Choi E, Jang HY, Lee S, Park J, Choi D, Jang Y, Kang H, Back S, Jang S, Lee J. Insight into Defect Engineering of Atomically Dispersed Iron Electrocatalysts for High-Performance Proton Exchange Membrane Fuel Cell. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302666. [PMID: 37548180 DOI: 10.1002/adma.202302666] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 07/11/2023] [Indexed: 08/08/2023]
Abstract
Atomically dispersed and nitrogen coordinated iron catalysts (Fe-NCs) demonstrate potential as alternatives to platinum-group metal (PGM) catalysts in oxygen reduction reaction (ORR). However, in the context of practical proton exchange membrane fuel cell (PEMFC) applications, the membrane electrode assembly (MEA) performances of Fe-NCs remain unsatisfactory. Herein, improved MEA performance is achieved by tuning the local environment of the Fe-NC catalysts through defect engineering. Zeolitic imidazolate framework (ZIF)-derived nitrogen-doped carbon with additional CO2 activation is employed to construct atomically dispersed iron sites with a controlled defect number. The Fe-NC species with the optimal number of defect sites exhibit excellent ORR performance with a high half-wave potential of 0.83 V in 0.5 M H2 SO4 . Variation in the number of defects allows for fine-tuning of the reaction intermediate binding energies by changing the contribution of the Fe d-orbitals, thereby optimizing the ORR activity. The MEA based on a defect-engineered Fe-NC catalyst is found to exhibit a remarkable peak power density of 1.1 W cm-2 in an H2 /O2 fuel cell, and 0.67 W cm-2 in an H2 /air fuel cell, rendering it one of the most active atomically dispersed catalyst materials at the MEA level.
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Affiliation(s)
- Seung Yeop Yi
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Eunho Choi
- School of Mechanical Engineering, Kookmin National University, Seoul, 02707, Republic of Korea
| | - Ho Yeon Jang
- Department of Chemical and Biomolecular Engineering, Institute of Emergent Materials, Sogang University, Seoul, 04107, Republic of Korea
| | - Seonggyu Lee
- Department of Chemical Engineering, Kumoh National Institute of Technology (KIT), 61 Daehak-ro, Gumi, 39177, Republic of Korea
- Department of Energy Engineering Convergence, Kumoh National Institute of Technology (KIT), 61 Daehak-ro, Gumi, Gyeongbuk, 39177, Republic of Korea
| | - Jinkyu Park
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Daeeun Choi
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Yeju Jang
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Hojin Kang
- School of Mechanical Engineering, Kookmin National University, Seoul, 02707, Republic of Korea
| | - Seoin Back
- Department of Chemical and Biomolecular Engineering, Institute of Emergent Materials, Sogang University, Seoul, 04107, Republic of Korea
| | - Segeun Jang
- School of Mechanical Engineering, Kookmin National University, Seoul, 02707, Republic of Korea
| | - Jinwoo Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
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18
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Xie E, Wang X. Fine-Tuning Dual Single-Atom Metal Sites on Graphene toward Enhanced Oxygen Reduction Reaction Activity. J Phys Chem Lett 2023; 14:9392-9402. [PMID: 37823826 DOI: 10.1021/acs.jpclett.3c02273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
The oxygen reduction reaction (ORR) remains at the forefront of research in diverse energy and sustainability domains. While graphene-supported single-atom catalysts (SACs) have garnered attention for optimizing ORR efficiency, tailoring the interactions between adjacent single-atom sites presents intricate challenges. In this study, we leveraged density functional theory (DFT) calculations and cutting-edge machine learning (ML) techniques to explore 144 graphene-supported SACs, featuring interacting M1-N4 and M2-N4 moieties (M1, M2 = Mn, Fe, Co, Ni, Cu, Ru, Rh, Pd, Ag Ir, Pt, Au), denoted as M1-M2. By tailoring these interactions, we discovered 13 exceptional SACs outperforming the benchmark catalyst Fe(OH)-N4, including the best-performing Fe-Pd and several non-noble-metal SACs like Fe-Ag, Ag-Cu, and Ag-Ag. Venturing further, our ML models effectively capture the correlation between single-atom metal properties and overpotential, offering tools for rational electrocatalyst design. Our study illuminates the path to efficient SAC-catalyzed ORR, fostering a sustainable, energy-efficient future.
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Affiliation(s)
- Evan Xie
- Deerfield Academy, 7 Boyden Lane, Deerfield, Massachusetts 01342, United States
| | - Xijun Wang
- Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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19
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Ding J, Wei Z, Li F, Zhang J, Zhang Q, Zhou J, Wang W, Liu Y, Zhang Z, Su X, Yang R, Liu W, Su C, Yang HB, Huang Y, Zhai Y, Liu B. Atomic high-spin cobalt(II) center for highly selective electrochemical CO reduction to CH 3OH. Nat Commun 2023; 14:6550. [PMID: 37848430 PMCID: PMC10582074 DOI: 10.1038/s41467-023-42307-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 10/06/2023] [Indexed: 10/19/2023] Open
Abstract
In this work, via engineering the conformation of cobalt active center in cobalt phthalocyanine molecular catalyst, the catalytic efficiency of electrochemical carbon monoxide reduction to methanol can be dramatically tuned. Based on a collection of experimental investigations and density functional theory calculations, it reveals that the electron rearrangement of the Co 3d orbitals of cobalt phthalocyanine from the low-spin state (S = 1/2) to the high-spin state (S = 3/2), induced by molecular conformation change, is responsible for the greatly enhanced CO reduction reaction performance. Operando attenuated total reflectance surface-enhanced infrared absorption spectroscopy measurements disclose accelerated hydrogenation of CORR intermediates, and kinetic isotope effect validates expedited proton-feeding rate over cobalt phthalocyanine with high-spin state. Further natural population analysis and density functional theory calculations demonstrate that the high spin Co2+ can enhance the electron backdonation via the dxz/dyz-2π* bond and weaken the C-O bonding in *CO, promoting hydrogenation of CORR intermediates.
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Affiliation(s)
- Jie Ding
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, SAR 999077, China
| | - Zhiming Wei
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Fuhua Li
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, SAR 999077, China
| | - Jincheng Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, SAR 999077, China
| | - Qiao Zhang
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Jing Zhou
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China.
| | - Weijue Wang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yuhang Liu
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Zhen Zhang
- China Astronaut Research and Training Center, Beijing, 100094, China
| | - Xiaozhi Su
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Runze Yang
- China Astronaut Research and Training Center, Beijing, 100094, China
| | - Wei Liu
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Chenliang Su
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale Optoeletronics, Shenzhen University, Shenzhen, 518060, China.
| | - Hong Bin Yang
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
| | - Yanqiang Huang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yueming Zhai
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China.
| | - Bin Liu
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, SAR 999077, China.
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20
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Zhang P, Chen K, Li J, Wang M, Li M, Liu Y, Pan Y. Bifunctional Single Atom Catalysts for Rechargeable Zinc-Air Batteries: From Dynamic Mechanism to Rational Design. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303243. [PMID: 37283478 DOI: 10.1002/adma.202303243] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/21/2023] [Indexed: 06/08/2023]
Abstract
Ever-growing demands for rechargeable zinc-air batteries (ZABs) call for efficient bifunctional electrocatalysts. Among various electrocatalysts, single atom catalysts (SACs) have received increasing attention due to the merits of high atom utilization, structural tunability, and remarkable activity. Rational design of bifunctional SACs relies heavily on an in-depth understanding of reaction mechanisms, especially dynamic evolution under electrochemical conditions. This requires a systematic study in dynamic mechanisms to replace current trial and error modes. Herein, fundamental understanding of dynamic oxygen reduction reaction and oxygen evolution reaction mechanisms for SACs is first presented combining in situ and/or operando characterizations and theoretical calculations. By highlighting structure-performance relationships, rational regulation strategies are particularly proposed to facilitate the design of efficient bifunctional SACs. Furthermore, future perspectives and challenges are discussed. This review provides a thorough understanding of dynamic mechanisms and regulation strategies for bifunctional SACs, which are expected to pave the avenue for exploring optimum single atom bifunctional oxygen catalysts and effective ZABs.
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Affiliation(s)
- Peng Zhang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Kuo Chen
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Jiaye Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Minmin Wang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Min Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yunqi Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yuan Pan
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
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21
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Balamurugan J, Austeria PM, Kim JB, Jeong ES, Huang HH, Kim DH, Koratkar N, Kim SO. Electrocatalysts for Zinc-Air Batteries Featuring Single Molybdenum Atoms in a Nitrogen-Doped Carbon Framework. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302625. [PMID: 37327064 DOI: 10.1002/adma.202302625] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/24/2023] [Indexed: 06/18/2023]
Abstract
Bifunctional catalysts can facilitate two different electrochemical reactions with conflicting characteristics. Here, a highly reversible bifunctional electrocatalyst for rechargeable zinc-air batteries (ZABs) is reported featuring a "core-shell structure" in which N-doped graphene sheets wrap around vanadium molybdenum oxynitride nanoparticles. Single Mo atoms are released from the particle core during synthesis and anchored to electronegative N-dopant species in the graphitic shell. The resultant Mo single-atom catalysts excel as active oxygen evolution reaction (OER) sites in pyrrolic-N and as active oxygen reduction reaction (ORR) sites in pyridinic-N environments. ZABs with such bifunctional and multicomponent single-atom catalysts deliver high power density (≈376.4 mW cm-2 ) and long cycle life of over 630 h, outperforming noble-metal-based benchmarks. Flexible ZABs that can tolerate a wide range of temperatures (-20 to 80 °C) under severe mechanical deformation are also demonstrated.
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Affiliation(s)
- Jayaraman Balamurugan
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Material Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - P Muthu Austeria
- Division of Science Education and Institute of Fusion Science, Department of Energy Storage/Conversion Engineering of Graduate School, Jeonbuk National University Jeonju, Jeonju, 54896, Republic of Korea
| | - Jun Beom Kim
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Material Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Eun-Suk Jeong
- Department of Physics Education and Institute of Fusion Science, Jeonbuk National University Jeonju, Jeonju, 54896, Republic of Korea
| | - Hsin-Hui Huang
- Division of Nanostructures Research Laboratory, Japan Fine Ceramics Center 2-4-1 Mutsuno, Atsuta-ku, Nagoya, 456-8587, Japan
| | - Do Hwan Kim
- Division of Science Education and Institute of Fusion Science, Department of Energy Storage/Conversion Engineering of Graduate School, Jeonbuk National University Jeonju, Jeonju, 54896, Republic of Korea
| | - Nikhil Koratkar
- Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, 12180, USA
- Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, 12180, USA
| | - Sang Ouk Kim
- National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Material Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
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22
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Lang JT, Kulkarni D, Foster CW, Huang Y, Sepe MA, Shimpalee S, Parkinson DY, Zenyuk IV. X-ray Tomography Applied to Electrochemical Devices and Electrocatalysis. Chem Rev 2023; 123:9880-9914. [PMID: 37579025 PMCID: PMC10450694 DOI: 10.1021/acs.chemrev.2c00873] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Indexed: 08/16/2023]
Abstract
X-ray computed tomography (CT) is a nondestructive three-dimensional (3D) imaging technique used for studying morphological properties of porous and nonporous materials. In the field of electrocatalysis, X-ray CT is mainly used to quantify the morphology of electrodes and extract information such as porosity, tortuosity, pore-size distribution, and other relevant properties. For electrochemical systems such as fuel cells, electrolyzers, and redox flow batteries, X-ray CT gives the ability to study evolution of critical features of interest in ex situ, in situ, and operando environments. These include catalyst degradation, interface evolution under real conditions, formation of new phases (water and oxygen), and dynamics of transport processes. These studies enable more efficient device and electrode designs that will ultimately contribute to widespread decarbonization efforts.
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Affiliation(s)
- Jack T. Lang
- Department
of Chemical and Biomolecular Engineering, University of California, Irvine, California 92617, United States
- National
Fuel Cell Research Center, University of
California, Irvine, California 92617, United States
| | - Devashish Kulkarni
- National
Fuel Cell Research Center, University of
California, Irvine, California 92617, United States
- Department
of Materials Science and Engineering, University
of California, Irvine, California 92617, United States
| | - Collin W. Foster
- Department
of Aerospace Engineering, University of
Illinois at Urbana−Champaign, Urbana, Illinois 61820, United States
| | - Ying Huang
- National
Fuel Cell Research Center, University of
California, Irvine, California 92617, United States
- Department
of Materials Science and Engineering, University
of California, Irvine, California 92617, United States
| | - Mitchell A. Sepe
- Hydrogen
and Fuel Cell Center, Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Sirivatch Shimpalee
- Hydrogen
and Fuel Cell Center, Department of Chemical Engineering, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Dilworth Y. Parkinson
- Advanced
Light Source, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
| | - Iryna V. Zenyuk
- Department
of Chemical and Biomolecular Engineering, University of California, Irvine, California 92617, United States
- National
Fuel Cell Research Center, University of
California, Irvine, California 92617, United States
- Department
of Materials Science and Engineering, University
of California, Irvine, California 92617, United States
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23
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Kumar K, Dubau L, Jaouen F, Maillard F. Review on the Degradation Mechanisms of Metal-N-C Catalysts for the Oxygen Reduction Reaction in Acid Electrolyte: Current Understanding and Mitigation Approaches. Chem Rev 2023; 123:9265-9326. [PMID: 37432676 DOI: 10.1021/acs.chemrev.2c00685] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
One bottleneck hampering the widespread use of fuel cell vehicles, in particular of proton exchange membrane fuel cells (PEMFCs), is the high cost of the cathode where the oxygen reduction reaction (ORR) occurs, due to the current need of precious metals to catalyze this reaction. Electrochemists tackle this issue in the short/medium term by developing catalysts with improved utilization or efficiency of platinum, and in the longer term, by developing catalysts based on Earth-abundant elements. Considerable progress has been achieved in the initial performance of Metal-nitrogen-carbon (Metal-N-C) catalysts for the ORR, especially with Fe-N-C materials. However, until now, this high performance cannot be maintained for a sufficiently long time in an operating PEMFC. The identification and mitigation of the degradation mechanisms of Metal-N-C electrocatalysts in the acidic environment of PEMFCs has therefore become an important research topic. Here, we review recent advances in the understanding of the degradation mechanisms of Metal-N-C electrocatalysts, including the recently identified importance of combined oxygen and electrochemical potential. Results obtained in a liquid electrolyte and a PEMFC device are discussed, as well as insights gained from in situ and operando techniques. We also review the mitigation approaches that the scientific community has hitherto investigated to overcome the durability issues of Metal-N-C electrocatalysts.
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Affiliation(s)
- Kavita Kumar
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP, LEPMI, F-38000 Grenoble, France
| | - Laetitia Dubau
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP, LEPMI, F-38000 Grenoble, France
| | - Frédéric Jaouen
- ICGM, Univ. Montpellier, CNRS, ENSCM, F-34293 Montpellier, France
| | - Frédéric Maillard
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, Grenoble INP, LEPMI, F-38000 Grenoble, France
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24
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Zhou Y, Zhou Q, Liu H, Xu W, Wang Z, Qiao S, Ding H, Chen D, Zhu J, Qi Z, Wu X, He Q, Song L. Asymmetric dinitrogen-coordinated nickel single-atomic sites for efficient CO 2 electroreduction. Nat Commun 2023; 14:3776. [PMID: 37355748 DOI: 10.1038/s41467-023-39505-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 06/16/2023] [Indexed: 06/26/2023] Open
Abstract
Developing highly efficient, selective and low-overpotential electrocatalysts for carbon dioxide (CO2) reduction is crucial. This study reports an efficient Ni single-atom catalyst coordinated with pyrrolic nitrogen and pyridinic nitrogen for CO2 reduction to carbon monoxide (CO). In flow cell experiments, the catalyst achieves a CO partial current density of 20.1 mA cmgeo-2 at -0.15 V vs. reversible hydrogen electrode (VRHE). It exhibits a high turnover frequency of over 274,000 site-1 h-1 at -1.0 VRHE and maintains high Faradaic efficiency of CO (FECO) exceeding 90% within -0.15 to -0.9 VRHE. Operando synchrotron-based infrared and X-ray absorption spectra, and theoretical calculations reveal that mono CO-adsorbed Ni single sites formed during electrochemical processes contribute to the balance between key intermediates formation and CO desorption, providing insights into the catalyst's origin of catalytic activity. Overall, this work presents a Ni single-atom catalyst with good selectivity and activity for CO2 reduction while shedding light on its underlying mechanism.
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Affiliation(s)
- Yuzhu Zhou
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Quan Zhou
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Hengjie Liu
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Wenjie Xu
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Zhouxin Wang
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Sicong Qiao
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Honghe Ding
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Dongliang Chen
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Zeming Qi
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China
| | - Xiaojun Wu
- Hefei National Laboratory for Physical Science at the Microscale, Collaborative Innovation of Center of Chemistry for Energy Materials (iChEM), School of Chemistry and Materials Sciences, University of Science and Technology of China, Hefei, 230026, China
| | - Qun He
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China.
| | - Li Song
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230029, China.
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25
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Bates JS, Johnson MR, Khamespanah F, Root TW, Stahl SS. Heterogeneous M-N-C Catalysts for Aerobic Oxidation Reactions: Lessons from Oxygen Reduction Electrocatalysts. Chem Rev 2023; 123:6233-6256. [PMID: 36198176 PMCID: PMC10073352 DOI: 10.1021/acs.chemrev.2c00424] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Nonprecious metal heterogeneous catalysts composed of first-row transition metals incorporated into nitrogen-doped carbon matrices (M-N-Cs) have been studied for decades as leading alternatives to Pt for the electrocatalytic O2 reduction reaction (ORR). More recently, similar M-N-C catalysts have been shown to catalyze the aerobic oxidation of organic molecules. This Focus Review highlights mechanistic similarities and distinctions between these two reaction classes and then surveys the aerobic oxidation reactions catalyzed by M-N-Cs. As the active-site structures and kinetic properties of M-N-C aerobic oxidation catalysts have not been extensively studied, the array of tools and methods used to characterize ORR catalysts are presented with the goal of supporting further advances in the field of aerobic oxidation.
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Affiliation(s)
- Jason S. Bates
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Mathew R. Johnson
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Fatemeh Khamespanah
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Thatcher W. Root
- Department of Chemical and Biological Engineering, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Shannon S. Stahl
- Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, USA
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26
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Tian Y, Deng D, Xu L, Li M, Chen H, Wu Z, Zhang S. Strategies for Sustainable Production of Hydrogen Peroxide via Oxygen Reduction Reaction: From Catalyst Design to Device Setup. NANO-MICRO LETTERS 2023; 15:122. [PMID: 37160560 PMCID: PMC10169199 DOI: 10.1007/s40820-023-01067-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/06/2023] [Indexed: 05/11/2023]
Abstract
An environmentally benign, sustainable, and cost-effective supply of H2O2 as a rapidly expanding consumption raw material is highly desired for chemical industries, medical treatment, and household disinfection. The electrocatalytic production route via electrochemical oxygen reduction reaction (ORR) offers a sustainable avenue for the on-site production of H2O2 from O2 and H2O. The most crucial and innovative part of such technology lies in the availability of suitable electrocatalysts that promote two-electron (2e-) ORR. In recent years, tremendous progress has been achieved in designing efficient, robust, and cost-effective catalyst materials, including noble metals and their alloys, metal-free carbon-based materials, single-atom catalysts, and molecular catalysts. Meanwhile, innovative cell designs have significantly advanced electrochemical applications at the industrial level. This review summarizes fundamental basics and recent advances in H2O2 production via 2e--ORR, including catalyst design, mechanistic explorations, theoretical computations, experimental evaluations, and electrochemical cell designs. Perspectives on addressing remaining challenges are also presented with an emphasis on the large-scale synthesis of H2O2 via the electrochemical route.
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Affiliation(s)
- Yuhui Tian
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Gold Coast, Queensland, 4222, Australia
| | - Daijie Deng
- Institute for Energy Research, School of Chemistry and Chemical Engineering, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang, 212013, People's Republic of China
| | - Li Xu
- Institute for Energy Research, School of Chemistry and Chemical Engineering, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang, 212013, People's Republic of China
| | - Meng Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
| | - Hao Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
| | - Zhenzhen Wu
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Gold Coast, Queensland, 4222, Australia
| | - Shanqing Zhang
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Gold Coast, Queensland, 4222, Australia.
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27
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Mei B, Sun F, Wei Y, Zhang H, Chen X, Huang W, Ma J, Song F, Jiang Z. In situ catalytic cells for x-ray absorption spectroscopy measurement. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2023; 94:2890236. [PMID: 37171238 DOI: 10.1063/5.0146267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 05/01/2023] [Indexed: 05/13/2023]
Abstract
In catalysis, determining the relationship between the dynamic electronic and atomic structure of the catalysts and the catalytic performance under actual reaction conditions is essential to gain a deeper understanding of the reaction mechanism since the structure evolution induced by the absorption of reactants and intermediates affects the reaction activity. Hard x-ray spectroscopy methods are considered powerful and indispensable tools for the accurate identification of local structural changes, for which the development of suitable in situ reaction cells is required. However, the rational design and development of spectroscopic cells is challenging because a balance between real rigorous reaction conditions and a good signal-to-noise ratio must be reached. Here, we summarize the in situ cells currently used in the monitoring of thermocatalysis, photocatalysis, and electrocatalysis processes, focusing especially on the cells utilized in the BL14W1-x-ray absorption fine structure beamline at the Shanghai Synchrotron Radiation Facility, and highlight recent endeavors on the acquisition of improved spectra under real reaction conditions. This review provides a full overview of the design of in situ cells, aiming to guide the further development of portable and promising cells. Finally, perspectives and crucial factors regarding in situ cells under industrial operating conditions are proposed.
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Affiliation(s)
- Bingbao Mei
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201800, People's Republic of China
| | - Fanfei Sun
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201800, People's Republic of China
| | - Yao Wei
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, People's Republic of China
| | - Hao Zhang
- Institute of Functional Nano and Soft Materials Laboratory (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University, Suzhou 215123, China
| | - Xing Chen
- Beijing SciStar Technology Co., Ltd., Beijing 100070, China
| | - Weifeng Huang
- Beijing SciStar Technology Co., Ltd., Beijing 100070, China
| | - Jingyuan Ma
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201800, People's Republic of China
| | - Fei Song
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201800, People's Republic of China
| | - Zheng Jiang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China
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28
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Li J, Lin M, Huang W, Liao X, Ma Y, Zhou L, Mai L, Lu J. Pomegranate-Like FeNC with Optimized FeN 4 Configuration as Bi-Functional Catalysts for Rechargeable Zinc-Air Batteries. SMALL METHODS 2023:e2201664. [PMID: 37086112 DOI: 10.1002/smtd.202201664] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/18/2023] [Indexed: 05/03/2023]
Abstract
Catalysts with FeNC moieties have demonstrated remarkable activity toward oxygen reduction reaction (ORR), but precise synthesis and configuration regulation of FeNC to achieve bi-functional catalytic sites for ORR and oxygen evolution reaction (OER) remain a great challenge. Herein, a pomegranate-like catalyst with optimized FeN4 configuration is designed. The unique framework affords a large surface area for sufficient active site exposure and abundant macroporous channels for mass transport. By twisting chemical bonds, the electronic structure of FeN4 is regulated, and the adsorption/desorption of oxygen species is facilitated. Compared to noble metal-based catalysts (Pt/C+IrO2 ), the optimized FeNC exhibits impressive onset potential (0.96 V versus reversible hydrogen electrode), larger limiting current density (5.85 mA cm-2 ), and better long-term life for ORR, as well as, lower OER overpotential. When integrated into Zn-air batteries, it demonstrates a respectable peak power density (71.6 mW cm-2 ) and ideal cycling stability (30 h), exceeding that of commercial Pt/C+IrO2 . The exploration offers a guideline for designing advanced bi-functional electrocatalysts.
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Affiliation(s)
- Jiantao Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Mengting Lin
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Wenzhong Huang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Xiaobin Liao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Yao Ma
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Liang Zhou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Liqiang Mai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Jun Lu
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, China
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29
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Liu K, Fu J, Luo T, Ni G, Li H, Zhu L, Wang Y, Lin Z, Sun Y, Cortés E, Liu M. Potential-Dependent Active Moiety of Fe-N-C Catalysts for the Oxygen Reduction Reaction. J Phys Chem Lett 2023; 14:3749-3756. [PMID: 37043683 DOI: 10.1021/acs.jpclett.3c00583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
The real active moiety of Fe-N-C single-atom catalysts (SACs) during the oxygen reduction reaction (ORR) depends on the applied potential. Here, we examine the ORR activity of various SAC active moieties (Fe-N4, Fe-(OH)N4, Fe-(O2)N4, and Fe-(OH2)N4) over a wide potential window ranging from -0.8 to 1.0 V (vs. SHE) using constant potential density functional theory calculations. We show that the ORR activity of the Fe-N4 moiety is hindered by the slow *OH protonation, while the Fe-(OH2)N4 (0.4 V ≤ U ≤ 1.0 V), *O2-assisted Fe-N4 (-0.6 V ≤ U ≤ 0.2 V), and Fe-(OH)N4 (U = -0.8 V) moieties dominate the ORR activity of the Fe-N-C catalysts at different potential windows. These oxygenated species modified the single-atom Fe sites and can promote *OH protonation by regulating the electron occupancy of the Fe 3dz2 (spin-up) and Fe 3dxz (spin-down) orbitals. Overall, our findings provide guidance for understanding the active moieties of SACs.
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Affiliation(s)
- Kang Liu
- School of Metallurgy and Environment, Central South University, Changsha, Hunan 410083, P. R. China
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, P. R. China
| | - Junwei Fu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, P. R. China
| | - Tao Luo
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, P. R. China
| | - Ganghai Ni
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, P. R. China
| | - Hongmei Li
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, P. R. China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
| | - Li Zhu
- Nanoinstitute Munich, Faculty of Physics, Ludwig Maximilians Universität München, 80539 München, Germany
| | - Ye Wang
- School of Energy and Power Engineering, Beihang University, Beijing 100191, China
| | - Zhang Lin
- School of Metallurgy and Environment, Central South University, Changsha, Hunan 410083, P. R. China
| | - Yifei Sun
- School of Energy and Power Engineering, Beihang University, Beijing 100191, China
- Research Center for Advanced Energy and Carbon Neutrality, Beihang University, Beijing 100191, China
| | - Emiliano Cortés
- Nanoinstitute Munich, Faculty of Physics, Ludwig Maximilians Universität München, 80539 München, Germany
| | - Min Liu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, P. R. China
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30
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Wang L, Sarkar A, Grocke GL, Laorenza DW, Cheng B, Ritchhart A, Filatov AS, Patel SN, Gagliardi L, Anderson JS. Broad Electronic Modulation of Two-Dimensional Metal-Organic Frameworks over Four Distinct Redox States. J Am Chem Soc 2023. [PMID: 37018716 DOI: 10.1021/jacs.3c00495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
Two-dimensional (2D) inorganic materials have emerged as exciting platforms for (opto)electronic, thermoelectric, magnetic, and energy storage applications. However, electronic redox tuning of these materials can be difficult. Instead, 2D metal-organic frameworks (MOFs) offer the possibility of electronic tuning through stoichiometric redox changes, with several examples featuring one to two redox events per formula unit. Here, we demonstrate that this principle can be extended over a far greater span with the isolation of four discrete redox states in the 2D MOFs LixFe3(THT)2 (x = 0-3, THT = triphenylenehexathiol). This redox modulation results in 10,000-fold greater conductivity, p- to n-type carrier switching, and modulation of antiferromagnetic coupling. Physical characterization suggests that changes in carrier density drive these trends with relatively constant charge transport activation energies and mobilities. This series illustrates that 2D MOFs are uniquely redox flexible, making them an ideal materials platform for tunable and switchable applications.
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Affiliation(s)
- Lei Wang
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Arup Sarkar
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Garrett L Grocke
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
| | - Daniel William Laorenza
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Baorui Cheng
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Andrew Ritchhart
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Alexander S Filatov
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Shrayesh N Patel
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
| | - Laura Gagliardi
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
- James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States
| | - John S Anderson
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
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31
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Rebarchik M, Bhandari S, Kropp T, Mavrikakis M. Insights into the Oxygen Evolution Reaction on Graphene-Based Single-Atom Catalysts from First-Principles-Informed Microkinetic Modeling. ACS Catal 2023. [DOI: 10.1021/acscatal.3c00474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Affiliation(s)
- Michael Rebarchik
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, Wisconsin 53706, United States
| | - Saurabh Bhandari
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, Wisconsin 53706, United States
| | - Thomas Kropp
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, Wisconsin 53706, United States
| | - Manos Mavrikakis
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, Wisconsin 53706, United States
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32
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Brea C, Hu G. Mechanistic Insight into Dual-Metal-Site Catalysts for the Oxygen Reduction Reaction. ACS Catal 2023. [DOI: 10.1021/acscatal.3c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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33
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Liu T, Wang Y, Li Y. Can Metal-Nitrogen-Carbon Single-Atom Catalysts Boost the Electroreduction of Carbon Monoxide? JACS AU 2023; 3:943-952. [PMID: 37006764 PMCID: PMC10052228 DOI: 10.1021/jacsau.3c00026] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 05/25/2023]
Abstract
Metal-nitrogen-carbon single-atom catalysts (SACs) have exhibited substantial potential for CO2 electroreduction. Unfortunately, the SACs generally cannot generate chemicals other than CO, while deep reduction products are more appealing because of their higher market potential, and the origin of governing CO reduction (COR) remains elusive. Here, by using constant-potential/hybrid-solvent modeling and revisiting Cu catalysts, we show that the Langmuir-Hinshelwood mechanism is of importance for *CO hydrogenation, and the pristine SACs lack another site to place *H, thus preventing their COR. Then, we propose a regulation strategy to enable COR on the SACs: (I) the metal site has a moderate CO adsorption affinity; (II) the graphene skeleton is doped by a heteroatom to allow *H formation; and (III) the distance between the heteroatom and the metal atom is appropriate to facilitate *H migration. We discover a P-doped Fe-N-C SAC with promising COR reactivity and further extend this model to other SACs. This work provides mechanistic insight into the limiting factors of COR and highlights the rational design of the local structures of active centers in electrocatalysis.
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34
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Zhao Y, Adiyeri Saseendran DP, Huang C, Triana CA, Marks WR, Chen H, Zhao H, Patzke GR. Oxygen Evolution/Reduction Reaction Catalysts: From In Situ Monitoring and Reaction Mechanisms to Rational Design. Chem Rev 2023; 123:6257-6358. [PMID: 36944098 DOI: 10.1021/acs.chemrev.2c00515] [Citation(s) in RCA: 55] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) are core steps of various energy conversion and storage systems. However, their sluggish reaction kinetics, i.e., the demanding multielectron transfer processes, still render OER/ORR catalysts less efficient for practical applications. Moreover, the complexity of the catalyst-electrolyte interface makes a comprehensive understanding of the intrinsic OER/ORR mechanisms challenging. Fortunately, recent advances of in situ/operando characterization techniques have facilitated the kinetic monitoring of catalysts under reaction conditions. Here we provide selected highlights of recent in situ/operando mechanistic studies of OER/ORR catalysts with the main emphasis placed on heterogeneous systems (primarily discussing first-row transition metals which operate under basic conditions), followed by a brief outlook on molecular catalysts. Key sections in this review are focused on determination of the true active species, identification of the active sites, and monitoring of the reactive intermediates. For in-depth insights into the above factors, a short overview of the metrics for accurate characterizations of OER/ORR catalysts is provided. A combination of the obtained time-resolved reaction information and reliable activity data will then guide the rational design of new catalysts. Strategies such as optimizing the restructuring process as well as overcoming the adsorption-energy scaling relations will be discussed. Finally, pending current challenges and prospects toward the understanding and development of efficient heterogeneous catalysts and selected homogeneous catalysts are presented.
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Affiliation(s)
- Yonggui Zhao
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | | | - Chong Huang
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Carlos A Triana
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Walker R Marks
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Hang Chen
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Han Zhao
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Greta R Patzke
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
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35
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Yuan LJ, Sui XL, Liu C, Zhuo YL, Li Q, Pan H, Wang ZB. Electrocatalysis Mechanism and Structure-Activity Relationship of Atomically Dispersed Metal-Nitrogen-Carbon Catalysts for Electrocatalytic Reactions. SMALL METHODS 2023; 7:e2201524. [PMID: 36642792 DOI: 10.1002/smtd.202201524] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/22/2022] [Indexed: 06/17/2023]
Abstract
Atomically dispersed metal-nitrogen-carbon catalysts (M-N-C) have been widely used in the field of energy conversion, which has already attracted a huge amount of attention. Due to their unsaturated d-band electronic structure of the center atoms, M-N-C catalysts can be applied in different electrocatalytic reactions by adjusting their own microscopic electronic structures to achieve the optimization of the structure-activity relationship. Consequently, it is of great significance for the revelation of electrocatalytic mechanism and structure-activity relationship of M-N-C catalysts. Thus, this review first introduces the relative research methods, including in situ/operando characterization techniques and theoretical calculation methods. Furthermore, clarifying the electrocatalytic mechanism and structure-activity relationship of M-N-C catalysts in different electrochemical energy conversion reactions is focused. Moreover, the future research directions are pointed out based on the discussion. This review will provide good guidance to systematically study the catalytic mechanism of single-atom catalysts and reasonably design the single-atom catalysts.
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Affiliation(s)
- Long-Ji Yuan
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Xu-Lei Sui
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Chang Liu
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Yu-Ling Zhuo
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Qi Li
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Hui Pan
- Institute of Applied Physics and Materials Engineering, University of Macau, Macao, SAR, 999078, China
- Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macao, SAR, 999078, China
| | - Zhen-Bo Wang
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
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36
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Chen S, Liang X, Hu S, Li X, Zhang G, Wang S, Ma L, Wu CML, Zhi C, Zapien JA. Inducing Fe 3d Electron Delocalization and Spin-State Transition of FeN 4 Species Boosts Oxygen Reduction Reaction for Wearable Zinc-Air Battery. NANO-MICRO LETTERS 2023; 15:47. [PMID: 36763196 PMCID: PMC9918713 DOI: 10.1007/s40820-023-01014-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 12/26/2022] [Indexed: 05/30/2023]
Abstract
Transition metal-nitrogen-carbon materials (M-N-Cs), particularly Fe-N-Cs, have been found to be electroactive for accelerating oxygen reduction reaction (ORR) kinetics. Although substantial efforts have been devoted to design Fe-N-Cs with increased active species content, surface area, and electronic conductivity, their performance is still far from satisfactory. Hitherto, there is limited research about regulation on the electronic spin states of Fe centers for Fe-N-Cs electrocatalysts to improve their catalytic performance. Here, we introduce Ti3C2 MXene with sulfur terminals to regulate the electronic configuration of FeN4 species and dramatically enhance catalytic activity toward ORR. The MXene with sulfur terminals induce the spin-state transition of FeN4 species and Fe 3d electron delocalization with d band center upshift, enabling the Fe(II) ions to bind oxygen in the end-on adsorption mode favorable to initiate the reduction of oxygen and boosting oxygen-containing groups adsorption on FeN4 species and ORR kinetics. The resulting FeN4-Ti3C2Sx exhibits comparable catalytic performance to those of commercial Pt-C. The developed wearable ZABs using FeN4-Ti3C2Sx also exhibit fast kinetics and excellent stability. This study confirms that regulation of the electronic structure of active species via coupling with their support can be a major contributor to enhance their catalytic activity.
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Affiliation(s)
- Shengmei Chen
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, People's Republic of China
| | - Xiongyi Liang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, People's Republic of China
| | - Sixia Hu
- Sustech Core Research Facilities, Southern University of Science and Technology, 1088 Xueyuan Blvd, Shenzhen, Guangdong, 518055, People's Republic of China
| | - Xinliang Li
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, People's Republic of China
| | - Guobin Zhang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, Guangdong, 518055, People's Republic of China.
| | - Shuyun Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, People's Republic of China
| | - Longtao Ma
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China
| | - Chi-Man Lawrence Wu
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, People's Republic of China
| | - Chunyi Zhi
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, People's Republic of China
| | - Juan Antonio Zapien
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, People's Republic of China.
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37
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Lim JS, Kim J, Lee KS, Sa YJ, Joo SH. Impact of Catalyst Loading of Atomically Dispersed Transition Metal Catalysts on H2O2 Electrosynthesis Selectivity. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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38
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Hayat A, Sohail M, Ali H, Taha TA, Qazi HIA, Ur Rahman N, Ajmal Z, Kalam A, Al-Sehemi AG, Wageh S, Amin MA, Palamanit A, Nawawi WI, Newair EF, Orooji Y. Recent Advances and Future Perspectives of Metal-Based Electrocatalysts for Overall Electrochemical Water Splitting. CHEM REC 2023; 23:e202200149. [PMID: 36408911 DOI: 10.1002/tcr.202200149] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 10/15/2022] [Indexed: 11/22/2022]
Abstract
Recently, the growing demand for a renewable and sustainable fuel alternative is contingent on fuel cell technologies. Even though it is regarded as an environmentally sustainable method of generating fuel for immediate concerns, it must be enhanced to make it extraordinarily affordable, and environmentally sustainable. Hydrogen (H2 ) synthesis by electrochemical water splitting (ECWS) is considered one of the foremost potential prospective methods for renewable energy output and H2 society implementation. Existing massive H2 output is mostly reliant on the steaming reformation of carbon fuels that yield CO2 together with H2 and is a finite resource. ECWS is a viable, efficient, and contamination-free method for H2 evolution. Consequently, developing reliable and cost-effective technology for ECWS was a top priority for scientists around the globe. Utilizing renewable technologies to decrease total fuel utilization is crucial for H2 evolution. Capturing and transforming the fuel from the ambient through various renewable solutions for water splitting (WS) could effectively reduce the need for additional electricity. ECWS is among the foremost potential prospective methods for renewable energy output and the achievement of a H2 -based economy. For the overall water splitting (OWS), several transition-metal-based polyfunctional metal catalysts for both cathode and anode have been synthesized. Furthermore, the essential to the widespread adoption of such technology is the development of reduced-price, super functional electrocatalysts to substitute those, depending on metals. Many metal-premised electrocatalysts for both the anode and cathode have been designed for the WS process. The attributes of H2 and oxygen (O2 ) dynamics interactions on the electrodes of water electrolysis cells and the fundamental techniques for evaluating the achievement of electrocatalysts are outlined in this paper. Special emphasis is paid to their fabrication, electrocatalytic performance, durability, and measures for enhancing their efficiency. In addition, prospective ideas on metal-based WS electrocatalysts based on existing problems are presented. It is anticipated that this review will offer a straight direction toward the engineering and construction of novel polyfunctional electrocatalysts encompassing superior efficiency in a suitable WS technique.
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Affiliation(s)
- Asif Hayat
- College of Chemistry and Life Sciences, Zhejiang Normal University, 321004, Jinhua, Zhejiang, P. R. China.,College of Geography and Environmental Sciences, Zhejiang Normal University, 321004, Jinhua, China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, 313001, Huzhou, P. R. China
| | - Hamid Ali
- Multiscale Computational Materials Facility, Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, 350100, Fuzhou, China
| | - T A Taha
- Physics Department, College of Science, Jouf University, PO Box 2014, Sakaka, Saudi Arabia.,Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - H I A Qazi
- College of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, 400065, Chongqing, China
| | - Naveed Ur Rahman
- Department of Physics, Bacha Khan University Charsadda, KP, Pakistan
| | - Zeeshan Ajmal
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, 710072, Xian, P. R. China
| | - Abul Kalam
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia
| | - Abdullah G Al-Sehemi
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia
| | - S Wageh
- Department of Physics, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia.,Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, 32952, Menouf, Egypt
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, 21944, Taif, Saudi Arabia
| | - Arkom Palamanit
- Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, 15 Karnjanavanich Rd., 90110, Hat Yai, Songkhla, Thailand
| | - W I Nawawi
- Faculty of Applied Sciences, Universiti Teknologi MARA, 02600, Cawangan Perlis, Arau Perlis, Malaysia
| | - Emad F Newair
- Chemistry Department, Faculty of Science, Sohag University, 82524, Sohag, Egypt
| | - Yasin Orooji
- College of Geography and Environmental Sciences, Zhejiang Normal University, 321004, Jinhua, China
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39
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Dastafkan K, Shen X, Hocking RK, Meyer Q, Zhao C. Monometallic interphasic synergy via nano-hetero-interfacing for hydrogen evolution in alkaline electrolytes. Nat Commun 2023; 14:547. [PMID: 36725848 PMCID: PMC9892594 DOI: 10.1038/s41467-023-36100-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 01/16/2023] [Indexed: 02/03/2023] Open
Abstract
Electrocatalytic synergy is a functional yet underrated concept in electrocatalysis. Often, it materializes as intermetallic interaction between different metals. We demonstrate interphasic synergy in monometallic structures is as much effective. An interphasic synergy between Ni(OH)2 and Ni-N/Ni-C phases is reported for alkaline hydrogen evolution reaction that lowers the energy barriers for hydrogen adsorption-desorption and facilitates that of hydroxyl intermediates. This makes ready-to-serve Ni active sites and allocates a large amount of Ni d-states at Fermi level to promote charge redistribution from Ni(OH)2 to Ni-N/Ni-C and the co-adsorption of Hads and OHads intermediates on Ni-N/Ni-C moieties. As a result, a Ni(OH)2@Ni-N/Ni-C hetero-hierarchical nanostructure is developed, lowering the overpotentials to deliver -10 and -100 mA cm-2 in alkaline media by 102 and 113 mV, respectively, compared to monophasic Ni(OH)2 catalyst. This study unveils the interphasic synergy as an effective strategy to design monometallic electrocatalysts for water splitting and other energy applications.
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Affiliation(s)
- Kamran Dastafkan
- grid.1005.40000 0004 4902 0432School of Chemistry, UNSW Materials and Manufacturing Futures Institute, The University of New South Wales, Sydney, New South Wales 2052 Australia
| | - Xiangjian Shen
- grid.207374.50000 0001 2189 3846Engineering Research Center of Advanced Functional Material Manufacturing of Ministry of Education, Zhengzhou University, Zhengzhou, 450001 China
| | - Rosalie K. Hocking
- grid.1027.40000 0004 0409 2862Department of Chemistry and Biotechnology, Centre for Translational Atomaterials and ARC Training Centre for Surface Engineering for Advanced Material SEAM, Swinburne University of Technology, Hawthorn, VIC 3122 Australia
| | - Quentin Meyer
- grid.1005.40000 0004 4902 0432School of Chemistry, UNSW Materials and Manufacturing Futures Institute, The University of New South Wales, Sydney, New South Wales 2052 Australia
| | - Chuan Zhao
- grid.1005.40000 0004 4902 0432School of Chemistry, UNSW Materials and Manufacturing Futures Institute, The University of New South Wales, Sydney, New South Wales 2052 Australia
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40
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Ficca VCA, Santoro C, Placidi E, Arciprete F, Serov A, Atanassov P, Mecheri B. Exchange Current Density as an Effective Descriptor of Poisoning of Active Sites in Platinum Group Metal-free Electrocatalysts for Oxygen Reduction Reaction. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Valerio C. A. Ficca
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133Rome, Italy
- Department of Physics, Sapienza University of Rome, Piazzale Aldo Moro 2, 00185Roma, Italy
| | - Carlo Santoro
- Electrocatalysis and Bioelectrocatalysis Laboratory (EBLab), Department of Material Science, University of Milan Bicocca, U5 Via Cozzi 55, 20125Milan, Italy
| | - Ernesto Placidi
- Department of Physics, Sapienza University of Rome, Piazzale Aldo Moro 2, 00185Roma, Italy
| | - Fabrizio Arciprete
- Department of Physics, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133Rome, Italy
| | - Alexey Serov
- Electrification and Energy Infrastructures Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee37831, United States
| | - Plamen Atanassov
- Chemical and Biomolecular Engineering, National Fuel Cell Research Center, University of California, Irvine, Irvine, California92697, United States
| | - Barbara Mecheri
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133Rome, Italy
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41
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Liu T, Wang Y, Li Y. How pH Affects the Oxygen Reduction Reactivity of Fe–N–C Materials. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Tianyang Liu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, P.R. China
| | - Yu Wang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, P.R. China
| | - Yafei Li
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, P.R. China
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42
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Sarma BB, Maurer F, Doronkin DE, Grunwaldt JD. Design of Single-Atom Catalysts and Tracking Their Fate Using Operando and Advanced X-ray Spectroscopic Tools. Chem Rev 2023; 123:379-444. [PMID: 36418229 PMCID: PMC9837826 DOI: 10.1021/acs.chemrev.2c00495] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Indexed: 11/25/2022]
Abstract
The potential of operando X-ray techniques for following the structure, fate, and active site of single-atom catalysts (SACs) is highlighted with emphasis on a synergetic approach of both topics. X-ray absorption spectroscopy (XAS) and related X-ray techniques have become fascinating tools to characterize solids and they can be applied to almost all the transition metals deriving information about the symmetry, oxidation state, local coordination, and many more structural and electronic properties. SACs, a newly coined concept, recently gained much attention in the field of heterogeneous catalysis. In this way, one can achieve a minimum use of the metal, theoretically highest efficiency, and the design of only one active site-so-called single site catalysts. While single sites are not easy to characterize especially under operating conditions, XAS as local probe together with complementary methods (infrared spectroscopy, electron microscopy) is ideal in this research area to prove the structure of these sites and the dynamic changes during reaction. In this review, starting from their fundamentals, various techniques related to conventional XAS and X-ray photon in/out techniques applied to single sites are discussed with detailed mechanistic and in situ/operando studies. We systematically summarize the design strategies of SACs and outline their exploration with XAS supported by density functional theory (DFT) calculations and recent machine learning tools.
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Affiliation(s)
- Bidyut Bikash Sarma
- Institute
for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology, Engesserstraße 20, 76131 Karlsruhe, Germany
- Institute
of Catalysis Research and Technology, Karlsruhe
Institute of Technology, Hermann-von-Helmholtz Platz 1, Eggenstein-Leopoldshafen, 76344 Karlsruhe, Germany
| | - Florian Maurer
- Institute
for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology, Engesserstraße 20, 76131 Karlsruhe, Germany
| | - Dmitry E. Doronkin
- Institute
for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology, Engesserstraße 20, 76131 Karlsruhe, Germany
- Institute
of Catalysis Research and Technology, Karlsruhe
Institute of Technology, Hermann-von-Helmholtz Platz 1, Eggenstein-Leopoldshafen, 76344 Karlsruhe, Germany
| | - Jan-Dierk Grunwaldt
- Institute
for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology, Engesserstraße 20, 76131 Karlsruhe, Germany
- Institute
of Catalysis Research and Technology, Karlsruhe
Institute of Technology, Hermann-von-Helmholtz Platz 1, Eggenstein-Leopoldshafen, 76344 Karlsruhe, Germany
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43
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Iron Redox Behavior and Oxygen Reduction Activity of Fe-N-C Electrocatalysts in Different Electrolytes. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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44
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Single-Atom Iron Catalyst Based on Functionalized Mesophase Pitch Exhibiting Efficient Oxygen Reduction Reaction Activity. Catalysts 2022. [DOI: 10.3390/catal12121608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Designing highly efficient and low-cost electrocatalysts is of great importance in the fields of energy conversion and storage. We report on the facile synthesis of a single atom (SA) iron catalyst via the pyrolysis of a functionalized mesophase pitch. Monomers of naphthalene and indole underwent polymerization in the presence of iron chloride, which afterwards served as the pore-forming agent and iron source for the resulting catalyst. The SA-Fe@NC catalyst has a well-defined atomic dispersion of iron atoms coordinated by N-ligands in the porous carbon matrix, exhibiting excellent oxygen reduction reaction (ORR) activity (E1/2 = 0.89 V) that outperforms the commercial Pt/C catalyst (E1/2 = 0.84 V). Moreover, it shows better long-term stability than the Pt/C catalyst in alkaline media. This facile strategy could be employed in versatile fossil feedstock and develop promising non-platinum group metal ORR catalysts for fuel cell technologies.
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45
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Ritopečki MS, Dobrota AS, Skorodumova NV, Pašti IA. The Local Coordination Effects on the Reactivity and Speciation of Active Sites in Graphene-Embedded Single-Atom Catalysts over Wide pH and Potential Range. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4309. [PMID: 36500932 PMCID: PMC9737643 DOI: 10.3390/nano12234309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 06/17/2023]
Abstract
Understanding the catalytic performance of different materials is of crucial importance for achieving further technological advancements. This especially relates to the behaviors of different classes of catalysts under operating conditions. Here, we analyzed the effects of local coordination of metal centers (Mn, Fe, Co) in graphene-embedded single-atom catalysts (SACs). We started with well-known M@N4-graphene catalysts and systematically replaced nitrogen atoms with oxygen or sulfur atoms to obtain M@OxNy-graphene and M@SxNy-graphene SACs (x + y = 4). We show that local coordination strongly affects the electronic structure and reactivity towards hydrogen and oxygen species. However, stability is even more affected. Using the concept of Pourbaix plots, we show that the replacement of nitrogen atoms in metal coordinating centers with O or S destabilized the SACs towards dissolution, while the metal centers were easily covered by O and OH, acting as additional ligands at high anodic potentials and high pH values. Thus, not only should local coordination be considered in terms of the activity of SACs, but it is also necessary to consider its effects on the speciation of SAC active centers under different potentials and pH conditions.
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Affiliation(s)
- Milica S. Ritopečki
- University of Belgrade—Faculty of Physical Chemistry, Studentski trg 12-16, 11158 Belgrade, Serbia
| | - Ana S. Dobrota
- University of Belgrade—Faculty of Physical Chemistry, Studentski trg 12-16, 11158 Belgrade, Serbia
| | - Natalia V. Skorodumova
- Department of Materials Science and Engineering, School of Industrial Engineering and Management, KTH—Royal Institute of Technology, Brinellvägen 23, 100 44 Stockholm, Sweden
| | - Igor A. Pašti
- University of Belgrade—Faculty of Physical Chemistry, Studentski trg 12-16, 11158 Belgrade, Serbia
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46
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Zhang H, Jin X, Lee JM, Wang X. Tailoring of Active Sites from Single to Dual Atom Sites for Highly Efficient Electrocatalysis. ACS NANO 2022; 16:17572-17592. [PMID: 36331385 PMCID: PMC9706812 DOI: 10.1021/acsnano.2c06827] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 11/01/2022] [Indexed: 05/27/2023]
Abstract
Single atom catalysts (SACs) have been attracting extensive attention in electrocatalysis because of their unusual structure and extreme atom utilization, but the low metal loading and unified single site induced scaling relations may limit their activity and practical application. Tailoring of active sites at the atomic level is a sensible approach to break the existing limits in SACs. In this review, SACs were first discussed regarding carbon or non-carbon supports. Then, five tailoring strategies were elaborated toward improving the electrocatalytic activity of SACs, namely strain engineering, spin-state tuning engineering, axial functionalization engineering, ligand engineering, and porosity engineering, so as to optimize the electronic state of active sites, tune d orbitals of transition metals, adjust adsorption strength of intermediates, enhance electron transfer, and elevate mass transport efficiency. Afterward, from the angle of inducing electron redistribution and optimizing the adsorption nature of active centers, the synergistic effect from adjacent atoms and recent advances in tailoring strategies on active sites with binuclear configuration which include simple, homonuclear, and heteronuclear dual atom catalysts (DACs) were summarized. Finally, a summary and some perspectives for achieving efficient and sustainable electrocatalysis were presented based on tailoring strategies, design of active sites, and in situ characterization.
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Affiliation(s)
- Hongwei Zhang
- School
of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
- Cambridge
Centre for Advanced Research and Education in Singapore Ltd (Cambridge
CARES), CREATE Tower, Singapore 138602, Singapore
| | - Xindie Jin
- School
of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Jong-Min Lee
- School
of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Xin Wang
- School
of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
- Cambridge
Centre for Advanced Research and Education in Singapore Ltd (Cambridge
CARES), CREATE Tower, Singapore 138602, Singapore
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47
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Koshy DM, Hossain MD, Masuda R, Yoda Y, Gee LB, Abiose K, Gong H, Davis R, Seto M, Gallo A, Hahn C, Bajdich M, Bao Z, Jaramillo TF. Investigation of the Structure of Atomically Dispersed NiN x Sites in Ni and N-Doped Carbon Electrocatalysts by 61Ni Mössbauer Spectroscopy and Simulations. J Am Chem Soc 2022; 144:21741-21750. [DOI: 10.1021/jacs.2c09825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- David M. Koshy
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
- SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
| | - Md Delowar Hossain
- SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
- SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - Ryo Masuda
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Osaka 590-0494, Japan
| | - Yoshitaka Yoda
- Japan Synchrotron Radiation Research Institute, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
| | - Leland B. Gee
- Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - Kabir Abiose
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
- Department of Mechanical Engineering, Stanford University, Stanford, California 94305, USA
| | - Huaxin Gong
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
- SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
| | - Ryan Davis
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - Makoto Seto
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Osaka 590-0494, Japan
- National Institutes for Quantum Science and Technology (QST), Sayo, Hyogo 679-5148, Japan
| | - Alessandro Gallo
- SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - Christopher Hahn
- Materials Sciences Division, Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - Michal Bajdich
- SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - Zhenan Bao
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
- SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
| | - Thomas F. Jaramillo
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
- SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA
- SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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48
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Hamonnet J, Bennington MS, Johannessen B, Hamilton J, Brooksby PA, Brooker S, Golovko V, Marshall AT. Influence of Carbon Support on the Pyrolysis of Cobalt Phthalocyanine for the Efficient Electroreduction of CO 2. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Johan Hamonnet
- Department of Chemical Engineering and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Canterbury, Christchurch8041, New Zealand
| | - Michael S. Bennington
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, Dunedin9054, New Zealand
| | | | | | - Paula A. Brooksby
- School of Physical and Chemical Sciences and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Canterbury, Christchurch8041, New Zealand
| | - Sally Brooker
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, Dunedin9054, New Zealand
| | - Vladimir Golovko
- School of Physical and Chemical Sciences and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Canterbury, Christchurch8041, New Zealand
| | - Aaron T. Marshall
- Department of Chemical Engineering and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Canterbury, Christchurch8041, New Zealand
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49
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Wang R, Zhang L, Shan J, Yang Y, Lee J, Chen T, Mao J, Zhao Y, Yang L, Hu Z, Ling T. Tuning Fe Spin Moment in Fe-N-C Catalysts to Climb the Activity Volcano via a Local Geometric Distortion Strategy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203917. [PMID: 36057997 PMCID: PMC9631079 DOI: 10.1002/advs.202203917] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/12/2022] [Indexed: 05/26/2023]
Abstract
As the most promising alternative to platinum-based catalysts for cathodic oxygen reduction reaction (ORR) in proton exchange membrane fuel cells, further performance enhancement of Fe-N-C catalysts is highly expected to promote their wide application. In Fe-N-C catalysts, the single Fe atom forms a square-planar configuration with four adjacent N atoms (D4h symmetry). Breaking the D4h symmetry of the FeN4 active center provides a new route to boost the activity of Fe-N-C catalysts. Herein, for the first time, the deformation of the square-planar coordination of FeN4 moiety achieved by introducing chalcogen oxygen groups (XO2 , X = S, Se, Te) as polar functional groups in the Fe-N-C catalyst is reported. The theoretical and experimental results demonstrate that breaking the D4h symmetry of FeN4 results in the rearrangement of Fe 3d electrons and increases spin moment of Fe centers. The efficient spin state manipulation optimizes the adsorption energetics of ORR intermediates, thereby significantly promoting the intrinsic ORR activity of Fe-N-C catalysts, among which the SeO2 modified catalyst lies around the peak of the ORR volcano plot. This work provides a new strategy to tune the local coordination and thus the electronic structure of single-atom catalysts.
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Affiliation(s)
- Ruguang Wang
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of EducationTianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin UniversityTianjin300072China
| | - Lifu Zhang
- School of PhysicsNankai UniversityTianjin300071China
| | - Jieqiong Shan
- School of Chemical EngineeringThe University of AdelaideAdelaideSA5005Australia
| | - Yuanyuan Yang
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of EducationTianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin UniversityTianjin300072China
| | - Jyh‐Fu Lee
- National Synchrotron Radiation Research CenterHsinchu30076Taiwan
| | - Tsan‐Yao Chen
- Department of Engineering and System ScienceNational Tsing Hua UniversityHsinchuTaiwan
| | - Jing Mao
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of EducationTianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin UniversityTianjin300072China
| | - Yang Zhao
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of EducationTianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin UniversityTianjin300072China
| | - Liujing Yang
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of EducationTianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin UniversityTianjin300072China
| | - Zhenpeng Hu
- School of PhysicsNankai UniversityTianjin300071China
| | - Tao Ling
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of EducationTianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin UniversityTianjin300072China
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50
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Chang H, Cong S, Wang L, Wang C. Research Progress of Bifunctional Oxygen Reactive Electrocatalysts for Zinc-Air Batteries. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213834. [PMID: 36364610 PMCID: PMC9657497 DOI: 10.3390/nano12213834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 10/22/2022] [Accepted: 10/24/2022] [Indexed: 05/14/2023]
Abstract
Zinc-air batteries (ZABs) have several advantages, including high energy density, cheap price and stable performances with good application prospects in the field of power batteries. The charging and discharging reactions for the air cathode of ZABs are the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), respectively, which play an important role in the whole performance of ZAB. Due to the cost and limited reserves of highly active precious metal catalysts, it is crucial to design alternative efficient and stable dual-functional non-precious metal catalysts. In the present review, we present a systematic summary of the recent progress in the use of transition metal-based electrocatalysts as alternatives to precious metals for the positive poles of ZAB air. Combined with state-of-the-art in situ characterization technologies, a deep understanding of the catalytic mechanism of OER/ORR provided unique insights into the precise design of excellent synthetic non-precious metal catalysts from the perspective of atomic structure. This review further shows that the hybrid electric battery is a new strategy to improve the efficiency of the hybrid electric battery, which could be available to alleviate the problem of resource shortage. Finally, the challenges and research trends for the future development of ZABs were clearly proposed.
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Affiliation(s)
- Haiyang Chang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People’s Republic of China, Heilongjiang University, Harbin 150080, China
| | - Shanshan Cong
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People’s Republic of China, Heilongjiang University, Harbin 150080, China
| | - Lei Wang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People’s Republic of China, Heilongjiang University, Harbin 150080, China
- Correspondence: (L.W.); or (C.W.)
| | - Cheng Wang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People’s Republic of China, Heilongjiang University, Harbin 150080, China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Jieyang 515200, China
- Correspondence: (L.W.); or (C.W.)
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