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Jing L, Wang W, Tian Q, Kong Y, Ye X, Yang H, Hu Q, He C. Efficient Neutral H 2O 2 Electrosynthesis from Favorable Reaction Microenvironments via Porous Carbon Carrier Engineering. Angew Chem Int Ed Engl 2024; 63:e202403023. [PMID: 38763905 DOI: 10.1002/anie.202403023] [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: 02/11/2024] [Revised: 03/28/2024] [Accepted: 05/14/2024] [Indexed: 05/21/2024]
Abstract
The efficient electrosynthesis of hydrogen peroxide (H2O2) via two-electron oxygen reduction reaction (2e- ORR) in neutral media is undoubtedly a practical route, but the limited comprehension of electrocatalysts has hindered the system advancement. Herein, we present the design of model catalysts comprising mesoporous carbon spheres-supported Pd nanoparticles for H2O2 electrosynthesis at near-zero overpotential with approximately 95 % selectivity in a neutral electrolyte. Impressively, the optimized Pd/MCS-8 electrocatalyst in a flow cell device achieves an exceptional H2O2 yield of 15.77 mol gcatalyst -1 h-1, generating a neutral H2O2 solution with an accumulated concentration of 6.43 wt %, a level sufficiently high for medical disinfection. Finite element simulation and experimental results suggest that mesoporous carbon carriers promote O2 enrichment and localized pH elevation, establishing a favorable microenvironment for 2e- ORR in neutral media. Density functional theory calculations reveal that the robust interaction between Pd nanoparticles and the carbon carriers optimized the adsorption of OOH* at the carbon edge, ensuring high active 2e- process. These findings offer new insights into carbon-loaded electrocatalysts for efficient 2e- ORR in neutral media, emphasizing the role of carrier engineering in constructing favorable microenvironments and synergizing active sites.
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Affiliation(s)
- Lingyan Jing
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Wenyi Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Qiang Tian
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Yan Kong
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Xieshu Ye
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Hengpan Yang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Qi Hu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Chuanxin He
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
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2
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Liu W, Chen R, Sang Z, Li Z, Nie J, Yin L, Hou F, Liang J. A Generalized Coordination Engineering Strategy for Single-Atom Catalysts toward Efficient Hydrogen Peroxide Electrosynthesis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2406403. [PMID: 39036826 DOI: 10.1002/adma.202406403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 07/06/2024] [Indexed: 07/23/2024]
Abstract
Designing non-noble metal single-atom catalysts (M-SACs) for two-electron oxygen reduction reaction (2e-ORR) is attractive for the hydrogen peroxide (H2O2) electrosynthesis, in which the coordination configuration of the M-SACs essentially affects the reaction activity and product selectivity. Though extensively investigated, a generalized coordination engineering strategy has not yet been proposed, which fundamentally hinders the rational design of M-SACs with optimized catalytic capabilities. Herein, a generalized coordination engineering strategy is proposed for M-SACs toward H2O2 electrosynthesis via introducing heteroatoms (e.g., oxygen or sulfur atoms) with higher or lower electronegativity than nitrogen atoms into the first sphere of metal-N4 system to tailor their electronic structure and adjust the adsorption strength for *OOH intermediates, respectively, thus optimizing their electrocatalytic capability for 2e-ORR. Specifically, the (O, N)-coordinated Co SAC (Co-N3O) and (S, N)-coordinated Ni SAC (Ni-N3S) are precisely synthesized, and both present superior 2e-ORR activity (Eonset: ≈0.80 V versus RHE) and selectivity (≈90%) in alkaline conditions compared with conventional Co-N4 and Ni-N4 sites. The high H2O2 yield rates of 14.2 and 17.5 moL g-1 h-1 and long-term stability over 12 h are respectively achieved for Co-N3O and Ni-N3S. Such favorable 2e-ORR pathway of the catalysts is also theoretically confirmed by the kinetics simulations.
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Affiliation(s)
- Wei Liu
- Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Rui Chen
- Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Zhiyuan Sang
- Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Zhenxin Li
- Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Jiahuan Nie
- Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Lichang Yin
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, Shenyang, 110016, P. R. China
| | - Feng Hou
- Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
| | - Ji Liang
- Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, P. R. China
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Sun Y, Fan K, Li J, Wang L, Yang Y, Li Z, Shao M, Duan X. Boosting electrochemical oxygen reduction to hydrogen peroxide coupled with organic oxidation. Nat Commun 2024; 15:6098. [PMID: 39030230 PMCID: PMC11271547 DOI: 10.1038/s41467-024-50446-2] [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: 12/01/2023] [Accepted: 07/11/2024] [Indexed: 07/21/2024] Open
Abstract
The electrochemical oxygen reduction reaction (ORR) to produce hydrogen peroxide (H2O2) is appealing due to its sustainability. However, its efficiency is compromised by the competing 4e- ORR pathway. In this work, we report a hierarchical carbon nanosheet array electrode with a single-atom Ni catalyst synthesized using organic molecule-intercalated layered double hydroxides as precursors. The electrode exhibits excellent 2e- ORR performance under alkaline conditions and achieves H2O2 yield rates of 0.73 mol gcat-1 h-1 in the H-cell and 5.48 mol gcat-1 h-1 in the flow cell, outperforming most reported catalysts. The experimental results show that the Ni atoms selectively adsorb O2, while carbon nanosheets generate reactive hydrogen species, synergistically enhancing H2O2 production. Furthermore, a coupling reaction system integrating the 2e- ORR with ethylene glycol oxidation significantly enhances H2O2 yield rate to 7.30 mol gcat-1 h-1 while producing valuable glycolic acid. Moreover, we convert alkaline electrolyte containing H2O2 directly into the downstream product sodium perborate to reduce the separation cost further. Techno-economic analysis validates the economic viability of this system.
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Affiliation(s)
- Yining Sun
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Kui Fan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jinze Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Lei Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yusen Yang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou, 324000, China
| | - Zhenhua Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou, 324000, China.
| | - Mingfei Shao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou, 324000, China.
| | - Xue Duan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou, 324000, China
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4
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Yan M, Yang H, Gong Z, Zhu J, Allen C, Cheng T, Fei H. Sulfur-Tuned Main-Group Sb-N-C Catalysts for Selective 2-Electron and 4-Electron Oxygen Reduction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402963. [PMID: 38616302 DOI: 10.1002/adma.202402963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/10/2024] [Indexed: 04/16/2024]
Abstract
The selective oxygen reduction reaction (ORR) is important for various energy conversion processes such as the fuel cells and metal-air batteries for the 4e- pathway and hydrogen peroxide (H2O2) electrosynthesis for the 2e- pathway. However, it remains a challenge to tune the ORR selectivity of a catalyst in a controllable manner. Herein, an efficient strategy for introducing sulfur dopants to regulate the ORR selectivity of main-group Sb-N-C single-atom catalysts is reported. Significantly, Sb-N-C with the highest sulfur content follows a 2e- pathway with high H2O2 selectivity (96.8%) and remarkable mass activity (96.1 A g-1 at 0.65 V), while the sister catalyst with the lowest sulfur content directs a 4e- pathway with a half-wave potential (E1/2 = 0.89 V) that is more positive than commercial Pt/C. In addition, practical applications for these two 2e-/4e- ORR catalysts are demonstrated by bulk H2O2 electrosynthesis for the degradation of organic pollutants and a high-power zinc-air battery, respectively. Combined experimental and theoretical studies reveal that the excellent selectivity for the sulfurized Sb-N-Cs is attributed to the optimal adsorption-desorption of the ORR intermediates realized through the electronic structure modulation by the sulfur dopants.
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Affiliation(s)
- Minmin Yan
- Advanced Catalytic Engineering Research Center of the Ministry of Education, State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, China
| | - Hao Yang
- Institute of Functional Nano&Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Zhichao Gong
- Advanced Catalytic Engineering Research Center of the Ministry of Education, State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, China
| | - Jiarui Zhu
- Institute of Functional Nano&Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Christopher Allen
- Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK
- Electron Physical Science Imaging Centre, Diamond Light Source Ltd., Oxford, OX11 0DE, UK
| | - Tao Cheng
- Institute of Functional Nano&Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Huilong Fei
- Advanced Catalytic Engineering Research Center of the Ministry of Education, State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, China
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Mou Z, Mu Y, Liu L, Cao D, Chen S, Yan W, Zhou H, Chan TS, Chang LY, Fan X. In-Plane Topological-Defect-Enriched Graphene as an Efficient Metal-Free Catalyst for pH-Universal H 2O 2 Electrosynthesis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400564. [PMID: 38368264 DOI: 10.1002/smll.202400564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 01/29/2024] [Indexed: 02/19/2024]
Abstract
Developing efficient metal-free catalysts to directly synthesize hydrogen peroxide (H2O2) through a 2-electron (2e) oxygen reduction reaction (ORR) is crucial for substituting the traditional energy-intensive anthraquinone process. Here, in-plane topological defects enriched graphene with pentagon-S and pyrrolic-N coordination (SNC) is synthesized via the process of hydrothermal and nitridation. In SNC, pentagon-S and pyrrolic-N originating from thiourea precursor are covalently grafted onto the basal plane of the graphene framework, building unsymmetrical dumbbell-like S─C─N motifs, which effectively modulates atomic and electronic structures of graphene. The SNC catalyst delivers ultrahigh H2O2 productivity of 8.1, 7.3, and 3.9 mol gcatalyst -1 h-1 in alkaline, neutral, and acidic electrolytes, respectively, together with long-term operational stability in pH-universal electrolytes, outperforming most reported carbon catalysts. Theoretical calculations further unveil that defective S─C─N motifs efficiently optimize the binding strength to OOH* intermediate and substantially diminish the kinetic barrier for reducing O2 to H2O2, thereby promoting the intrinsic activity of 2e-ORR.
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Affiliation(s)
- Zhixing Mou
- Institute of Crystalline Materials Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China
| | - Yuewen Mu
- Institute of Crystalline Materials Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China
| | - Lijia Liu
- Department of Chemistry, University of Western Ontario, London, N6A 5B7, Canada
| | - Daili Cao
- Institute of Crystalline Materials Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China
| | - Shuai Chen
- Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, China
| | - Wenjun Yan
- Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, China
| | - Haiqing Zhou
- Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education Department of Physics, Hunan Normal University, Changsha, 410081, China
| | - Ting-Shan Chan
- National Synchrotron Radiation Research Centre, Hsinchu, 30076, Taiwan
| | - Lo-Yueh Chang
- National Synchrotron Radiation Research Centre, Hsinchu, 30076, Taiwan
| | - Xiujun Fan
- Institute of Crystalline Materials Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China
- Engineering Research Center of Energy Storage Materials and Devices Ministry of Education, School of Chemistry, Xi'an Jiaotong University, Xi'an, 710049, China
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6
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Wang R, Zhang Z, Zhou H, Yu M, Liao L, Wang Y, Wan S, Lu H, Xing W, Valtchev V, Qiu S, Fang Q. Structural Modulation of Covalent Organic Frameworks for Efficient Hydrogen Peroxide Electrocatalysis. Angew Chem Int Ed Engl 2024:e202410417. [PMID: 38924241 DOI: 10.1002/anie.202410417] [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: 06/03/2024] [Accepted: 06/24/2024] [Indexed: 06/28/2024]
Abstract
The electrochemical production of hydrogen peroxide (H2O2) using metal-free catalysts has emerged as a viable and sustainable alternative to the conventional anthraquinone process. However, the precise architectural design of these electrocatalysts poses a significant challenge, requiring intricate structural engineering to optimize electron transfer during the oxygen reduction reaction (ORR). Herein, we introduce a novel design of covalent organic frameworks (COFs) that effectively shift the ORR from a four-electron to a more advantageous two-electron pathway. Notably, the JUC-660 COF, with strategically charge-modified benzyl moieties, achieved a continuous high H2O2 yield of over 1200 mmol g-1 h-1 for an impressive duration of over 85 hours in a flow cell setting, marking it as one of the most efficient metal-free and non-pyrolyzed H2O2 electrocatalysts reported to date. Theoretical computations alongside in situ infrared spectroscopy indicate that JUC-660 markedly diminishes the adsorption of the OOH* intermediate, thereby steering the ORR towards the desired pathway. Furthermore, the versatility of JUC-660 was demonstrated through its application in the electro-Fenton reaction, where it efficiently and rapidly removed aqueous contaminants. This work delineates a pioneering approach to altering the ORR pathway, ultimately paving the way for the development of highly effective metal-free H2O2 electrocatalysts.
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Affiliation(s)
- Rui Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
| | - Ziqi Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Haiping Zhou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
| | - Mingrui Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
- State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources Changchun, Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130012, R. P., China
| | - Li Liao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, P. R., China
| | - Yan Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
| | - Sheng Wan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
| | - Haiyan Lu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
| | - Wei Xing
- State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources Changchun, Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130012, R. P., China
| | - Valentin Valtchev
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, P. R., China
- Normandie Univ, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie 6 Marechal Juin, 14050, Caen, France
| | - Shilun Qiu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
| | - Qianrong Fang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, 130012, R. P., China
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Deng M, Wang D, Li Y. General Design Concept of High-Performance Single-Atom-Site Catalysts for H 2O 2 Electrosynthesis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2314340. [PMID: 38439595 DOI: 10.1002/adma.202314340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/25/2024] [Indexed: 03/06/2024]
Abstract
Hydrogen peroxide (H2O2) as a green oxidizing agent is widely used in various fields. Electrosynthesis of H2O2 has gradually become a hotspot due to its convenient and environment-friendly features. Single-atom-site catalysts (SASCs) with uniform active sites are the ideal catalysts for the in-depth study of the reaction mechanism and structure-performance relationship. In this review, the outstanding achievements of SASCs in the electrosynthesis of H2O2 through 2e- oxygen reduction reaction (ORR) and 2e- water oxygen reaction (WOR) in recent years, are summarized. First, the elementary steps of the two pathways and the roles of key intermediates (*OOH and *OH) in the reactions are systematically discussed. Next, the influence of the size effect, electronic structure regulation, the support/interfacial effect, the optimization of coordination microenvironments, and the SASCs-derived catalysts applied in 2e- ORR are systematically analyzed. Besides, the developments of SASCs in 2e- WOR are also overviewed. Finally, the research progress of H2O2 electrosynthesis on SASCs is concluded, and an outlook on the rational design of SASCs is presented in conjunction with the design strategies and characterization techniques.
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Affiliation(s)
- Mingyang Deng
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yadong Li
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
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Su J, Jiang L, Xiao B, Liu Z, Wang H, Zhu Y, Wang J, Zhu X. Dipole-Dipole Tuned Electronic Reconfiguration of Defective Carbon Sites for Efficient Oxygen Reduction into H 2O 2. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310317. [PMID: 38155499 DOI: 10.1002/smll.202310317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/19/2023] [Indexed: 12/30/2023]
Abstract
Metal-free carbon-based materials are one of the most promising electrocatalysts toward 2-electron oxygen reduction reaction (2e-ORR) for on-site production of hydrogen peroxide (H2O2), which however suffer from uncontrollable carbonizations and inferior 2e-ORR selectivity. To this end, a polydopamine (PDA)-modified carbon catalyst with a dipole-dipole enhancement is developed via a calcination-free method. The H2O2 yield rate outstandingly reaches 1.8 mol gcat -1 h-1 with high faradaic efficiency of above 95% under a wide potential range of 0.4-0.7 VRHE, overwhelming most of carbon electrocatalysts. Meanwhile, within a lab-made flow cell, the synthesized ORR electrode features an exceptional stability for over 250 h, achieved a pure H2O2 production efficacy of 306 g kWh-1. By virtue of its industrial-level capabilities, the established flow cell manages to perform a rapid pulp bleaching within 30 min. The superior performance and enhanced selectivity of 2e-ORR is experimentally revealed and attributed to the electronic reconfiguration on defective carbon sites induced by non-covalent dipole-dipole influence between PDA and carbon, thereby prohibiting the cleavage of O-O in OOH intermediates. This proposed strategy of dipole-dipole effects is universally applicable over 1D carbon nanotubes and 2D graphene, providing a practical route to design 2e-ORR catalysts.
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Affiliation(s)
- Jiaxin Su
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu, 610299, P. R. China
| | - Lei Jiang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu, 610299, P. R. China
| | - Bingbing Xiao
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu, 610299, P. R. China
| | - Zixian Liu
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu, 610299, P. R. China
| | - Heng Wang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu, 610299, P. R. China
| | - Yongfa Zhu
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Jun Wang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu, 610299, P. R. China
| | - Xiaofeng Zhu
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
- Tianfu Institute of Research and Innovation, Southwest University of Science and Technology, Chengdu, 610299, P. R. China
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9
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Qiao R, Wang J, Hu H, Lu S. Covalent Organic Frameworks Based Electrocatalysts for Two-Electron Oxygen Reduction Reaction: Design Principles, Recent Advances, and Perspective. Molecules 2024; 29:2563. [PMID: 38893439 PMCID: PMC11173880 DOI: 10.3390/molecules29112563] [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: 05/09/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
Hydrogen peroxide (H2O2) is an environmentally friendly oxidant with a wide range of applications, and the two-electron pathway (2e-) of the oxygen reduction reaction (ORR) for H2O2 production has attracted much attention due to its eco-friendly nature and operational simplicity in contrast to the conventional anthraquinone process. The challenge is to design electrocatalysts with high activity and selectivity and to understand their structure-activity relationship and catalytic mechanism in the ORR process. Covalent organic frameworks (COFs) provide an efficient template for the construction of highly efficient electrocatalysts due to their designable structure, excellent stability, and controllable porosity. This review firstly outlines the design principles of COFs, including the selection of metallic and nonmetallic active sites, the modulation of the electronic structure of the active sites, and the dimensionality modulation of the COFs, to provide guidance for improving the production performance of H2O2. Subsequently, representative results are summarized in terms of both metallic and metal-free sites to follow the latest progress. Moreover, the challenges and perspectives of 2e- ORR electrocatalysts based on COFs are discussed.
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Affiliation(s)
| | | | | | - Shuanglong Lu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
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Wang Y, Han C, Ma L, Duan T, Du Y, Wu J, Zou JJ, Gao J, Zhu XD, Zhang YC. Recent Progress of Transition Metal Selenides for Electrochemical Oxygen Reduction to Hydrogen Peroxide: From Catalyst Design to Electrolyzers Application. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309448. [PMID: 38362699 DOI: 10.1002/smll.202309448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/28/2023] [Indexed: 02/17/2024]
Abstract
Hydrogen peroxide (H2O2) is a highly value-added and environmental-friendly chemical with various applications. The production of H2O2 by electrocatalytic 2e- oxygen reduction reaction (ORR) has emerged as a promising alternative to the energy-intensive anthraquinone process. High selectivity Catalysts combining with superior activity are critical for the efficient electrosynthesis of H2O2. Earth-abundant transition metal selenides (TMSs) being discovered as a classic of stable, low-cost, highly active and selective catalysts for electrochemical 2e- ORR. These features come from the relatively large atomic radius of selenium element, the metal-like properties and the abundant reserves. Moreover, compared with the advanced noble metal or single-atom catalysts, the kinetic current density of TMSs for H2O2 generation is higher in acidic solution, which enable them to become suitable catalyst candidates. Herein, the recent progress of TMSs for ORR to H2O2 is systematically reviewed. The effects of TMSs electrocatalysts on the activity, selectivity and stability of ORR to H2O2 are summarized. It is intended to provide an insight from catalyst design and corresponding reaction mechanisms to the device setup, and to discuss the relationship between structure and activity.
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Affiliation(s)
- Yingnan Wang
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Caidi Han
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Li Ma
- State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao, 266237, China
| | - Tigang Duan
- State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao, 266237, China
| | - Yue Du
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Jinting Wu
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Ji-Jun Zou
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Jian Gao
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Xiao-Dong Zhu
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Yong-Chao Zhang
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
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11
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He Y, Wei Y, Huang R, Xia T, Wang J, Yu Z, Wang Z, Yu R. Interfaces Engineering of Ultrafine Ni@Ni 2P/C Core-Shell Heterostructure for High Yield Hydrogen Peroxide Electrosynthesis. SMALL METHODS 2024:e2301560. [PMID: 38678510 DOI: 10.1002/smtd.202301560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 04/10/2024] [Indexed: 05/01/2024]
Abstract
Developing cost-effective and sustainable catalysts with exceptional activity and selectivity is essential for the practical implementation of on-site H2O2 electrosynthesis, yet it remains a formidable challenge. Metal phosphide core-shell heterostructures anchored in carbon nanosheets (denoted as Ni@Ni2P/C NSs) are designed and synthesized via carbonization and phosphidation of the 2D Ni-BDC precursor. This core-shell nanostructure provides more accessible active sites and enhanced durability, while the 2D carbon nanosheet substrate prevents heterostructure aggregation and facilitates mass transfer. Theoretical calculations further reveal that the Ni/Ni2P heterostructure-induced optimization of geometric and electronic structures enables the favored adsorption of OOH* intermediate. All these features endow the Ni@Ni2P/C NSs with remarkable performance in 2e ORR for H2O2 synthesis, achieving a top yield rate of 95.6 mg L-1 h-1 with both selectivity and Faradaic efficiency exceeding 90% under a wide range of applied potentials. Furthermore, when utilized as the anode of an assembled gas diffusion electrode (GDE) device, the Ni@Ni2P/C NSs achieve in situ H2O2 production with excellent long-term durability (>32 h). Evidently, this work provides a unique insight into the origin of 2e ORR and proposes optimization of H2O2 production through nano-interface manipulation.
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Affiliation(s)
- Yilei He
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, 30th Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Yanze Wei
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
| | - Ruiyi Huang
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, 30th Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Tian Xia
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, 30th Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Ji Wang
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, 30th Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Zijian Yu
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, 30th Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Zumin Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
- Key Laboratory of Biopharmaceutical Preparation and Delivery, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
| | - Ranbo Yu
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, 30th Xueyuan Road, Haidian District, Beijing, 100083, China
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12
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Li ZM, Zhang CQ, Liu C, Zhang HW, Song H, Zhang ZQ, Wei GF, Bao XJ, Yu CZ, Yuan P. High-efficiency Electroreduction of O 2 into H 2 O 2 over ZnCo Bimetallic Triazole Frameworks Promoted by Ligand Activation. Angew Chem Int Ed Engl 2024; 63:e202314266. [PMID: 37940614 DOI: 10.1002/anie.202314266] [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] [Revised: 11/03/2023] [Accepted: 11/08/2023] [Indexed: 11/10/2023]
Abstract
Co-based metal-organic frameworks (MOFs) as electrocatalysts for two-electron oxygen reduction reaction (2e- ORR) are highly promising for H2 O2 production, but suffer from the intrinsic activity-selectivity trade-off. Herein, we report a ZnCo bimetal-triazole framework (ZnCo-MTF) as high-efficiency 2e- ORR electrocatalysts. The experimental and theoretical results demonstrate that the coordination between 1,2,3-triazole and Co increases the antibonding-orbital occupancy on the Co-N bond, promoting the activation of Co center. Besides, the adjacent Zn-Co sites on 1,2,3-triazole enable an asymmetric "side-on" adsorption mode of O2 , favoring the reduction of O2 molecules and desorption of OOH* intermediate. By virtue of the unique ligand effect, the ZnCo-MTF exhibits a 2e- ORR selectivity of ≈100 %, onset potential of 0.614 V and H2 O2 production rate of 5.55 mol gcat -1 h-1 , superior to the state-of-the-art zeolite imidazole frameworks. Our work paves the way for the design of 2e- ORR electrocatalysts with desirable coordination and electronic structure.
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Affiliation(s)
- Zi-Meng Li
- College of Chemical Engineering, National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
| | - Chao-Qi Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
| | - Chao Liu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
| | - Hong-Wei Zhang
- College of Chemical Engineering, National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
| | - Hao Song
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Zhi-Qiang Zhang
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Guang-Feng Wei
- Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Xiao-Jun Bao
- College of Chemical Engineering, National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
- Qingyuan Innovation Laboratory, Quanzhou, 362801, China
| | - Cheng-Zhong Yu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Pei Yuan
- College of Chemical Engineering, National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
- Qingyuan Innovation Laboratory, Quanzhou, 362801, China
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13
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He K, Huang Z, Chen C, Qiu C, Zhong YL, Zhang Q. Exploring the Roles of Single Atom in Hydrogen Peroxide Photosynthesis. NANO-MICRO LETTERS 2023; 16:23. [PMID: 37985523 PMCID: PMC10661544 DOI: 10.1007/s40820-023-01231-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/30/2023] [Indexed: 11/22/2023]
Abstract
This comprehensive review provides a deep exploration of the unique roles of single atom catalysts (SACs) in photocatalytic hydrogen peroxide (H2O2) production. SACs offer multiple benefits over traditional catalysts such as improved efficiency, selectivity, and flexibility due to their distinct electronic structure and unique properties. The review discusses the critical elements in the design of SACs, including the choice of metal atom, host material, and coordination environment, and how these elements impact the catalytic activity. The role of single atoms in photocatalytic H2O2 production is also analysed, focusing on enhancing light absorption and charge generation, improving the migration and separation of charge carriers, and lowering the energy barrier of adsorption and activation of reactants. Despite these advantages, several challenges, including H2O2 decomposition, stability of SACs, unclear mechanism, and low selectivity, need to be overcome. Looking towards the future, the review suggests promising research directions such as direct utilization of H2O2, high-throughput synthesis and screening, the creation of dual active sites, and employing density functional theory for investigating the mechanisms of SACs in H2O2 photosynthesis. This review provides valuable insights into the potential of single atom catalysts for advancing the field of photocatalytic H2O2 production.
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Affiliation(s)
- Kelin He
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518000, China
- Queensland Micro- and Nanotechnology Centre, School of Environment and Science, Griffith University, Nathan, QLD, 4222, Australia
| | - Zimo Huang
- Queensland Micro- and Nanotechnology Centre, School of Environment and Science, Griffith University, Nathan, QLD, 4222, Australia
- Institute for Sustainable Transformation, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 51006, China
| | - Chao Chen
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518000, China
| | - Chuntian Qiu
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, 311215, China.
| | - Yu Lin Zhong
- Queensland Micro- and Nanotechnology Centre, School of Environment and Science, Griffith University, Nathan, QLD, 4222, Australia.
| | - Qitao Zhang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518000, China.
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14
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Niu H, Lv H, Mao L, Cai Y, Zhao X, Wu F. Highly efficient and continuous activation of O 2 by a novel Fe xP-FeCu composite for water purification and insights into the activation mechanisms through DFT calculation. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132267. [PMID: 37586243 DOI: 10.1016/j.jhazmat.2023.132267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/02/2023] [Accepted: 08/09/2023] [Indexed: 08/18/2023]
Abstract
Degradation of organic pollutants through O2 activation catalyzed by transitional metals is challenging without addition of external chemicals and input of energy. We prepare a novel Fe based catalyst by compositing carbon, iron phosphide (FexP), iron carbide (FexC), Fe0 and Cu NPs, which can continuously activate O2 to produce high amount of 1O2,·O2- and·OH radicals in a wide pH range. DFT calculation discloses that O2 molecules are dissociated into *O or exist as O-O in various configurations. The Fe-O2, Cu-O2 and FeP-O2 surfaces can react with H2O molecules to generate *OOH, *OH and/or OH-. The sorbed-O2 intermediates on FexC surface might be released as 1O2 or·O2-. The oxidative O2-sorbed surfaces and in-situ produced oxygen reactive species contribute to the efficient and pH-indenpendent degradation of organic pollutants. Cu NPs accelerate Fe2+/Fe3+ cycles and offer impetus to initiate O2 activation due to the potential difference between Fe and Cu. The recycling test and XPS results confirm that the mutual electron transferring among carbon, FexC, FexP, Fe and Cu maintains reactivity and stability of the catalysts.
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Affiliation(s)
- Hongyun Niu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Hongzhou Lv
- Institute of Resources and Environment Engineering, Shanxi University, Taiyuan, Shanxi Province 030006, China
| | - Li Mao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yaqi Cai
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Institute of Environment and Health, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, Zhejiang Province 310013, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Xiaoli Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Fengchang Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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15
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Huang S, Zhang B, Sun H, Hu H, Wang J, Duan F, Zhu H, Du M, Lu S. Constructing single atom sites on bipyridine covalent organic frameworks for selective electrochemical production of H 2O 2. Chem Commun (Camb) 2023; 59:10424-10427. [PMID: 37555232 DOI: 10.1039/d3cc02948d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
We developed a series of single atom catalysts (SACs) anchored on bipyridine-rich COFs. By tuning the active metal center, the optimal Py-Bpy-COF-Zn shows the highest selectivity of 99.1% and excellent stability toward H2O2 production via oxygen reduction, which can be attributed to the high *OOH dissociation barrier indicated by the theoretical calculations. As a proof of concept, it acts as a cathodic catalyst in a homemade Zn-air battery, together with efficient wastewater treatment.
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Affiliation(s)
- Shaoda Huang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
- School of Materials Science and Engineering, Natural Sciences and Science Education in National Institute of Education, Nanyang Technological University, Singapore, 637616, Singapore
| | - Bingyan Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
| | - Huimin Sun
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
| | - Hongyin Hu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
| | - Jinyan Wang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
| | - Fang Duan
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
| | - Han Zhu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
| | - Mingliang Du
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
| | - Shuanglong Lu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, P. R. China.
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16
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Zhu P, Feng W, Zhao D, Song P, Li M, Tan X, Liu T, Liu S, Zhu W, Zhuang Z, Zhang J, Chen C. p-Block Bismuth Nanoclusters Sites Activated by Atomically Dispersed Bismuth for Tandem Boosting Electrocatalytic Hydrogen Peroxide Production. Angew Chem Int Ed Engl 2023; 62:e202304488. [PMID: 37394662 DOI: 10.1002/anie.202304488] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/15/2023] [Accepted: 06/30/2023] [Indexed: 07/04/2023]
Abstract
Constructing electrocatalysts with p-block elements is generally considered rather challenging owing to their closed d shells. Here for the first time, we present a p-block-element bismuth-based (Bi-based) catalyst with the co-existence of single-atomic Bi sites coordinated with oxygen (O) and sulfur (S) atoms and Bi nanoclusters (Biclu ) (collectively denoted as BiOSSA /Biclu ) for the highly selective oxygen reduction reaction (ORR) into hydrogen peroxide (H2 O2 ). As a result, BiOSSA /Biclu gives a high H2 O2 selectivity of 95 % in rotating ring-disk electrode, and a large current density of 36 mA cm-2 at 0.15 V vs. RHE, a considerable H2 O2 yield of 11.5 mg cm-2 h-1 with high H2 O2 Faraday efficiency of ∼90 % at 0.3 V vs. RHE and a long-term durability of ∼22 h in H-cell test. Interestingly, the experimental data on site poisoning and theoretical calculations both revealed that, for BiOSSA /Biclu , the catalytic active sites are on the Bi clusters, which are further activated by the atomically dispersed Bi coordinated with O and S atoms. This work demonstrates a new synergistic tandem strategy for advanced p-block-element Bi catalysts featuring atomic-level catalytic sites, and the great potential of rational material design for constructing highly active electrocatalysts based on p-block metals.
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Affiliation(s)
- Pan Zhu
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Wuyi Feng
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Di Zhao
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Pengyu Song
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Mengwei Li
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Xin Tan
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Ting Liu
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Shoujie Liu
- School of Materials Science and Engineering, Anhui University, Hefei, 230601, China
| | - Wei Zhu
- State Key Lab of Organic-Inorganic Composites and Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhongbin Zhuang
- State Key Lab of Organic-Inorganic Composites and Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jiatao Zhang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Chen Chen
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
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17
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Khan MD, Warczak M, Shombe GB, Revaprasadu N, Opallo M. Molecular Precursor Routes for Ag-Based Metallic, Intermetallic, and Metal Sulfide Nanoparticles: Their Comparative ORR Activity Trend at Solid|Liquid and Liquid|Liquid Interfaces. Inorg Chem 2023; 62:8379-8388. [PMID: 37191662 DOI: 10.1021/acs.inorgchem.3c00978] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The electrochemical conversion of oxygen to water is a crucial process required for renewable energy production, whereas its first two-electron step produces a versatile chemical and oxidant─hydrogen peroxide. Improving performance and widening the limited selection of the potential catalysts for this reaction is a step toward the implementation of clean-energy technologies. As silver is known as one of the most effective catalysts of oxygen reduction reaction (ORR), we have designed a suitable molecular precursor pathway for the selective synthesis of metallic (Ag), intermetallic (Ag3Sb), and binary or ternary metal sulfide (Ag2S and AgSbS2) nanomaterials by judicious control of reaction conditions. The decomposition of xanthate precursors under different reaction conditions in colloidal synthesis indicates that carbon-sulfur bond cleavage yields the respective metal sulfide nanomaterials. This is not the case in the presence of trioctylphosphine when the metal-sulfur bond is broken. The synthesized nanomaterials were applied as catalysts of oxygen reduction at the liquid-liquid and solid-liquid interfaces. Ag exhibits the best performance for electrochemical oxygen reduction, whereas the electrocatalytic performance of Ag and Ag3Sb is comparable for peroxide reduction in an alkaline medium. Scanning electrochemical microscopy (SECM) analysis indicates that a flexible 2-electron to 4-electron ORR pathway has been achieved by transforming metallic Ag into intermetallic Ag3Sb.
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Affiliation(s)
- Malik Dilshad Khan
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
- Department of Chemistry, University of Zululand, Private bag X1001, Kwa-Dlangezwa 3880, South Africa
| | - Magdalena Warczak
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
- Department of Food Analysis and Environmental Protection, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Seminaryjna 3, Bydgoszcz 85-326, Poland
| | - Ginena Bildard Shombe
- Chemistry Department, University of Dar-es-Salaam, P.O. Box 35061, Dar-es-Salaam 63728, Tanzania
- Department of Chemistry, University of Zululand, Private bag X1001, Kwa-Dlangezwa 3880, South Africa
| | - Neerish Revaprasadu
- Department of Chemistry, University of Zululand, Private bag X1001, Kwa-Dlangezwa 3880, South Africa
| | - Marcin Opallo
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
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18
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Ai F, Wang J. Insights into the Electrochemical Production of Hydrogen Peroxide over Single-Atom Co-N-C Catalysts with the Introduction of Carbon Vacancy Defect near the Co-N 4 Site. J Phys Chem Lett 2023; 14:3658-3668. [PMID: 37029931 DOI: 10.1021/acs.jpclett.3c00044] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
With the introduction of carbon divacancy, trivacancy, and tetravacancy defects near the Co-N4 site, we have explored the 2e- ORR activity at the Co-N4 site from the perspective of spatial structure and the atomic orbital by DFT calculations. We demonstrate the hybridization strength between Co 3dyz (3dxz) and O 2py (2px) orbitals is the origin of 2e- ORR activity at the Co-N4 site and the hybridization strength relates to the height of the Co 3d projected orbital in the Z direction. The bond length (LCo-O, LO-O), the charge transfer from the Co site to the *OOH adsorbate (ΔQCo-O), the d-band center of the Co site (εd), and the ICOHP value between Co 3d and O 2p orbitals as descriptors can well predict the 2e- ORR activity at the Co-N4 site. This work provides original insights into the 2e- ORR activity over the single-atom Co-N-C catalysts.
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Affiliation(s)
- Fei Ai
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Jike Wang
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
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19
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Huang X, Song M, Zhang J, Shen T, Luo G, Wang D. Recent Advances of Electrocatalyst and Cell Design for Hydrogen Peroxide Production. NANO-MICRO LETTERS 2023; 15:86. [PMID: 37029260 PMCID: PMC10082148 DOI: 10.1007/s40820-023-01044-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 02/22/2023] [Indexed: 06/19/2023]
Abstract
Electrochemical synthesis of H2O2 via a selective two-electron oxygen reduction reaction has emerged as an attractive alternative to the current energy-consuming anthraquinone process. Herein, the progress on electrocatalysts for H2O2 generation, including noble metal, transition metal-based, and carbon-based materials, is summarized. At first, the design strategies employed to obtain electrocatalysts with high electroactivity and high selectivity are highlighted. Then, the critical roles of the geometry of the electrodes and the type of reactor in striking a balance to boost the H2O2 selectivity and reaction rate are systematically discussed. After that, a potential strategy to combine the complementary properties of the catalysts and the reactor for optimal selectivity and overall yield is illustrated. Finally, the remaining challenges and promising opportunities for high-efficient H2O2 electrochemical production are highlighted for future studies.
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Affiliation(s)
- Xiao Huang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000, People's Republic of China
| | - Min Song
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Jingjing Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Tao Shen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Guanyu Luo
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Deli Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China.
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20
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Zheng R, Meng Q, Zhang L, Ge J, Liu C, Xing W, Xiao M. Co-based Catalysts for Selective H 2 O 2 Electroproduction via 2-electron Oxygen Reduction Reaction. Chemistry 2023; 29:e202203180. [PMID: 36378121 DOI: 10.1002/chem.202203180] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/13/2022] [Accepted: 11/13/2022] [Indexed: 11/16/2022]
Abstract
Electrochemical production of hydrogen peroxide (H2 O2 ) via two-electron oxygen reduction reaction (ORR) process is emerging as a promising alternative method to the conventional anthraquinone process. To realize high-efficiency H2 O2 electrosynthesis, robust and low cost electrocatalysts have been intensively pursued, among which Co-based catalysts attract particular research interests due to the earth-abundance and high selectivity. Here, we provide a comprehensive review on the advancement of Co-based electrocatalyst for H2 O2 electroproduction. The fundamental chemistry of 2-electron ORR is discussed firstly for guiding the rational design of electrocatalysts. Subsequently, the development of Co-based electrocatalysts involving nanoparticles, compounds and single atom catalysts is summarized with the focus on active site identification, structure regulation and mechanism understanding. Moreover, the current challenges and future directions of the Co-based electrocatalysts are briefly summarized in this review.
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Affiliation(s)
- Ruixue Zheng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun, 130022, Jilin, P. R. China.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Qinglei Meng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun, 130022, Jilin, P. R. China.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Li Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun, 130022, Jilin, P. R. China
| | - Junjie Ge
- School of Chemistry and Material Science, University of Science and Technology of China Hefei, 230026, Anhui, P. R. China
| | - Changpeng Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun, 130022, Jilin, P. R. China.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Wei Xing
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun, 130022, Jilin, P. R. China.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
| | - Meiling Xiao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry Chinese Academy of Sciences, Changchun, 130022, Jilin, P. R. China.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
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21
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Yan M, Wei Z, Gong Z, Johannessen B, Ye G, He G, Liu J, Zhao S, Cui C, Fei H. Sb 2S 3-templated synthesis of sulfur-doped Sb-N-C with hierarchical architecture and high metal loading for H 2O 2 electrosynthesis. Nat Commun 2023; 14:368. [PMID: 36690634 PMCID: PMC9871021 DOI: 10.1038/s41467-023-36078-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 01/12/2023] [Indexed: 01/24/2023] Open
Abstract
Selective two-electron (2e-) oxygen reduction reaction (ORR) offers great opportunities for hydrogen peroxide (H2O2) electrosynthesis and its widespread employment depends on identifying cost-effective catalysts with high activity and selectivity. Main-group metal and nitrogen coordinated carbons (M-N-Cs) are promising but remain largely underexplored due to the low metal-atom density and the lack of understanding in the structure-property correlation. Here, we report using a nanoarchitectured Sb2S3 template to synthesize high-density (10.32 wt%) antimony (Sb) single atoms on nitrogen- and sulfur-codoped carbon nanofibers (Sb-NSCF), which exhibits both high selectivity (97.2%) and mass activity (114.9 A g-1 at 0.65 V) toward the 2e- ORR in alkaline electrolyte. Further, when evaluated with a practical flow cell, Sb-NSCF shows a high production rate of 7.46 mol gcatalyst-1 h-1 with negligible loss in activity and selectivity in a 75-h continuous electrolysis. Density functional theory calculations demonstrate that the coordination configuration and the S dopants synergistically contribute to the enhanced 2e- ORR activity and selectivity of the Sb-N4 moieties.
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Affiliation(s)
- Minmin Yan
- State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Zengxi Wei
- Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology and School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Zhichao Gong
- State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | | | - Gonglan Ye
- State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China.
| | - Guanchao He
- State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Jingjing Liu
- State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Shuangliang Zhao
- Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology and School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China.
| | - Chunyu Cui
- State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China.
| | - Huilong Fei
- State Key Laboratory for Chemo/Biosensing and Chemometrics, and College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China.
- Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha, 410082, China.
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22
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Xu S, Lu R, Sun K, Tang J, Cen Y, Luo L, Wang Z, Tian S, Sun X. Synergistic Effects in N,O-Comodified Carbon Nanotubes Boost Highly Selective Electrochemical Oxygen Reduction to H 2 O 2. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201421. [PMID: 35901499 PMCID: PMC9507382 DOI: 10.1002/advs.202201421] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 06/03/2022] [Indexed: 06/15/2023]
Abstract
Electrochemical 2-electron oxygen reduction reaction (ORR) is a promising route for renewable and on-site H2 O2 production. Oxygen-rich carbon nanotubes have been demonstrated their high selectivity (≈80%), yet tailoring the composition and structure of carbon nanotubes to further enhance the selectivity and widen working voltage range remains a challenge. Herein, combining formamide condensation coating and mild temperature calcination, a nitrogen and oxygen comodified carbon nanotubes (N,O-CNTs) electrocatalyst is synthesized, which shows excellent selective (>95%) H2 O2 selectivity in a wide voltage range (from 0 to 0.65 V versus reversible hydrogen electrode). It is significantly superior to the corresponding selectivity values of CNTs (≈50% in 0-0.65 V vs RHE) and O-CNTs (≈80% in 0.3-0.65 V vs RHE). Density functional theory calculations revealed that the C neighbouring to N is the active site. Introducing O-related species can strengthen the adsorption of intermediates *OOH, while N-doping can weaken the adsorption of in situ generated *O and optimize the *OOH adsorption energy, thus improving the 2-electron pathway. With optimized N,O-CNTs catalysts, a Janus electrode is designed by adjusting the asymmetric wettability to achieve H2 O2 productivity of 264.8 mol kgcat -1 h-1 .
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Affiliation(s)
- Shuhui Xu
- State Key Laboratory of Chemical Resource EngineeringCollege of ChemistryBeijing University of Chemical TechnologyBeijing100029China
| | - Ruihu Lu
- School of Chemical SciencesThe University of AucklandAuckland1010New Zealand
| | - Kai Sun
- State Key Laboratory of Chemical Resource EngineeringCollege of ChemistryBeijing University of Chemical TechnologyBeijing100029China
| | - Jialun Tang
- State Power Investment Corporation hydrogen energy Co., Ltd.Beijing100029China
| | - Yaping Cen
- State Key Laboratory of Chemical Resource EngineeringCollege of ChemistryBeijing University of Chemical TechnologyBeijing100029China
| | - Liang Luo
- State Key Laboratory of Chemical Resource EngineeringCollege of ChemistryBeijing University of Chemical TechnologyBeijing100029China
| | - Ziyun Wang
- School of Chemical SciencesThe University of AucklandAuckland1010New Zealand
| | - Shubo Tian
- State Key Laboratory of Chemical Resource EngineeringCollege of ChemistryBeijing University of Chemical TechnologyBeijing100029China
| | - Xiaoming Sun
- State Key Laboratory of Chemical Resource EngineeringCollege of ChemistryBeijing University of Chemical TechnologyBeijing100029China
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23
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Long X, Ling Y, Chang C, Luo F, Yang Z. Fluorine dopants in tungsten sulfide boost the efficiency of H 2O 2 electro-synthesis via the oxygen reduction reaction. Chem Commun (Camb) 2022; 58:9782-9785. [PMID: 35969092 DOI: 10.1039/d2cc03463h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, we report fluorine-doped tungsten sulfide as an exceptional electrocatalyst for H2O2 generation (95% at 0.6 V vs. RHE). The fluorine dopants boost the catalytic efficiency by reducing the binding strength between the catalytic center and OOH* species.
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Affiliation(s)
- Xue Long
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry, China University of Geosciences Wuhan, 388 Lumo RD, Wuhan, 430074, P. R. China
| | - Ying Ling
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry, China University of Geosciences Wuhan, 388 Lumo RD, Wuhan, 430074, P. R. China
| | - Chaofeng Chang
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry, China University of Geosciences Wuhan, 388 Lumo RD, Wuhan, 430074, P. R. China
| | - Fang Luo
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technology, School of Materials Science and Engineering, Wuhan Textile University, 430200, Wuhan, P. R. China.
| | - Zehui Yang
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry, China University of Geosciences Wuhan, 388 Lumo RD, Wuhan, 430074, P. R. China
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24
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Shen H, Qiu N, Yang L, Guo X, Zhang K, Thomas T, Du S, Zheng Q, Attfield JP, Zhu Y, Yang M. Boosting Oxygen Reduction for High-Efficiency H 2 O 2 Electrosynthesis on Oxygen-Coordinated CoNC Catalysts. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200730. [PMID: 35324078 DOI: 10.1002/smll.202200730] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 03/04/2022] [Indexed: 06/14/2023]
Abstract
Atomically dispersed CoNC is a promising material for H2 O2 selective electrosynthesis via a two-electron oxygen reduction reaction. However, the performance of typical CoNC materials with routine CoN4 active center is insufficient and needs to be improved further. This can be done by fine-tuning its atomic coordination configuration. Here, a single-atom electrocatalyst (Co/NC) is reported that comprises a specifically penta-coordinated CoNC configuration (OCoN2 C2 ) with Co center coordinated by two nitrogen atoms, two carbon atoms, and one oxygen atom. Using a combination of theoretical predictions and experiments, it is confirmed that the unique atomic structure slightly increases the charge state of the cobalt center. This optimizes the adsorption energy towards *OOH intermediate, and therefore favors the two-electron ORR relevant for H2 O2 electrosynthesis. In neutral solution, the as-synthesized Co/NC exhibits a selectivity of over 90% over a potential ranging from 0.36 to 0.8 V, with a turnover frequency value of 11.48 s-1 ; thus outperforming the state-of-the-art carbon-based catalysts.
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Affiliation(s)
- Hangjia Shen
- College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, China
| | - Nianxiang Qiu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Liu Yang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xuyun Guo
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, China
| | - Kun Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, College of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Tiju Thomas
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras Adyar, Chennai, Tamil Nadu, 600036, India
| | - Shiyu Du
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Qifu Zheng
- College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, China
| | - J Paul Attfield
- Centre for Science at Extreme Conditions and School of Chemistry, University of Edinburgh, King's Buildings, Mayfield Road, Edinburgh, EH9 3JZ, UK
| | - Ye Zhu
- Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, China
| | - Minghui Yang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
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