51
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Gao J, Tao H, Liu B. Progress of Nonprecious-Metal-Based Electrocatalysts for Oxygen Evolution in Acidic Media. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2003786. [PMID: 34169587 DOI: 10.1002/adma.202003786] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 10/29/2020] [Indexed: 06/13/2023]
Abstract
Water oxidation, or the oxygen evolution reaction (OER), which combines two oxygen atoms from two water molecules and releases one oxygen molecule, plays the key role by providing protons and electrons needed for the hydrogen generation, electrochemical carbon dioxide reduction, and nitrogen fixation. The multielectron transfer OER process involves multiple reaction intermediates, and a high overpotential is needed to overcome the sluggish kinetics. Among the different water splitting devices, proton exchange membrane (PEM) water electrolyzer offers greater advantages. However, current anode OER electrocatalysts in PEM electrolyzers are limited to precious iridium and ruthenium oxides. Developing highly active, stable, and precious-metal-free electrocatalysts for water oxidation in acidic media is attractive for the large-scale application of PEM electrolyzers. In recent years, various types of precious-metal-free catalysts such as carbon-based materials, earth-abundant transition metal oxides, and multiple metal oxide mixtures have been investigated and some of them show promising activity and stability for acidic OER. In this review, the thermodynamics of water oxidation, Pourbaix diagram of metal elements in aqueous solution, and theoretical screening and prediction of precious-metal-free electrocatalysts for acidic OER are first elaborated. The catalytic performance, reaction kinetics, and mechanisms together with future research directions regarding acidic OER are summarized and discussed.
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Affiliation(s)
- Jiajian Gao
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Huabing Tao
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen, 361005, China
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
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52
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Over H. Fundamental Studies of Planar Single-Crystalline Oxide Model Electrodes (RuO2, IrO2) for Acidic Water Splitting. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01973] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Herbert Over
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich Buff Ring 17, 35392 Giessen, Germany
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53
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Wu M, Chen C, Zhao Y, Zhu E, Li Y. Atomic Regulation of PGM Electrocatalysts for the Oxygen Reduction Reaction. Front Chem 2021; 9:699861. [PMID: 34295875 PMCID: PMC8290132 DOI: 10.3389/fchem.2021.699861] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 05/31/2021] [Indexed: 12/02/2022] Open
Abstract
With the increasing enthusiasm for the hydrogen economy and zero-emission fuel cell technologies, intensive efforts have been dedicated to the development of high-performance electrocatalytic materials for the cathodic oxygen reduction reaction (ORR). Some major fundamental breakthroughs have been made in the past few years. Therefore, reviewing the most recent development of platinum-group-metal (PGM) ORR electrocatalysts is of great significance to pushing it forward. It is known that the ORR on the fuel cell electrode is a heterogeneous reaction occurring at the solid/liquid interface, wherein the electron reduces the oxygen along with species in the electrolyte. Therefore, the ORR kinetic is in close correlation with the electronic density of states and wave function, which are dominated by the localized atomic structure including the atomic distance and coordination number (CN). In this review, the recent development in the regulation over the localized state on the catalyst surface is narrowed down to the following structural factors whereby the corresponding strategies include: the crystallographic facet engineering, phase engineering, strain engineering, and defect engineering. Although these strategies show distinctive features, they are not entirely independent, because they all correlate with the atomic local structure. This review will be mainly divided into four parts with critical analyses and comparisons of breakthroughs. Meanwhile, each part is described with some more specific techniques as a methodological guideline. It is hoped that the review will enhance an insightful understanding on PGM catalysts of ORR with a visionary outlook.
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Affiliation(s)
| | | | | | - Enbo Zhu
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, Experimental Center of Advanced Materials, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Yujing Li
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, Experimental Center of Advanced Materials, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
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54
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Liu Y, Wang LJ, Zhang H, Yuan HY, Zhang Q, Gu L, Wang HF, Hu P, Liu PF, Jiang Z, Yang HG. Boosting Photocatalytic Water Oxidation Over Bifunctional Rh 0 -Rh 3+ Sites. Angew Chem Int Ed Engl 2021; 60:22761-22768. [PMID: 34170067 DOI: 10.1002/anie.202106874] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Indexed: 11/11/2022]
Abstract
Photocatalytic water splitting provides an economically feasible way for converting solar energy into hydrogen. Great efforts have been devoted to developing efficient photocatalysts; however, the surface catalytic reactions, especially for the sluggish oxygen evolution reaction (OER), still remain a challenge, which limits the overall photocatalytic energy efficiency. Herein, we design a Rhn cluster cocatalyst, with Rh0 -Rh3+ sites anchoring the Mo-doped BiVO4 model photocatalytic system. The resultant photocatalyst enables a high visible-light photocatalytic oxygen production activity of 7.11 mmol g-1 h-1 and an apparent quantum efficiency of 29.37 % at 420 nm. The turnover frequency (TOF) achieves 416.73 h-1 , which is 378 times higher than that of the photocatalyst only with Rh3+ species. Operando X-ray absorption characterization shows the OER process on the Rh0 -Rh3+ sites. The DFT calculations further illustrate a bifunctional OER mechanism over the Rh0 -Rh3+ sites, in which the oxygen intermediate attacks the Rh3+ sites with assistance of a hydrogen atom transfer to the Rh0 sites, thus breaking the scaling relationship of various oxygen intermediates.
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Affiliation(s)
- Yuanwei Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.,Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Li Jie Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Hao Zhang
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Hai Yang Yuan
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Qinghua Zhang
- Laboratory for Advanced Materials and Electron Microscopy, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Lin Gu
- Laboratory for Advanced Materials and Electron Microscopy, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Hai Feng Wang
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - P Hu
- School of Chemistry and Chemical Engineering, The Queen's University of Belfast, Belfast, BT9 5AG, UK
| | - Peng Fei Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Zheng Jiang
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201204, China.,Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Hua Gui Yang
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
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55
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Ooka H, Wintzer ME, Nakamura R. Non-Zero Binding Enhances Kinetics of Catalysis: Machine Learning Analysis on the Experimental Hydrogen Binding Energy of Platinum. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01018] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hideshi Ooka
- Biofunctional Catalyst Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Marie E. Wintzer
- Biofunctional Catalyst Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Ryuhei Nakamura
- Biofunctional Catalyst Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Earth-Life Science Institute, Tokyo Institute of Technology, 2-12-1E-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
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56
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Ding L, Li K, Xie Z, Yang G, Yu S, Wang W, Yu H, Baxter J, Meyer HM, Cullen DA, Zhang FY. Constructing Ultrathin W-Doped NiFe Nanosheets via Facile Electrosynthesis as Bifunctional Electrocatalysts for Efficient Water Splitting. ACS APPLIED MATERIALS & INTERFACES 2021; 13:20070-20080. [PMID: 33900730 DOI: 10.1021/acsami.1c01815] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Exploring cost-effective and efficient bifunctional electrocatalysts via simple fabrication strategies is strongly desired for practical water splitting. Herein, an easy and fast one-step electrodeposition process is developed to fabricate W-doped NiFe (NiFeW)-layered double hydroxides with ultrathin nanosheet features at room temperature and ambient pressure as bifunctional catalysts for water splitting. Notably, the NiFeW nanosheets require overpotentials of only 239 and 115 mV for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), respectively, to reach a current density of 10 mA/cm2 in alkaline media. Their exceptional performance is further demonstrated in a full electrolyzer configuration with the NiFeW as both anode and cathode catalysts, which achieves a low cell voltage of 1.59 V at 10 mA/cm2, 110 mV lower than that of the commercial IrO2 (anode) and Pt (cathode) catalysts. Moreover, the NiFeW nanosheets are superior to various recently reported bifunctional electrocatalysts. Such remarkable performances mainly ascribe to W doping, which not only effectively modulates the electrocatalyst morphology but also engineers the electronic structure of NiFe hydroxides to boost charge-transfer kinetics for both the OER and HER. Hence, the ultrathin NiFeW nanosheets with an efficient fabrication strategy are promising as bifunctional electrodes for alkaline water electrolyzers.
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Affiliation(s)
- Lei Ding
- Nanodynamics and High-Efficiency Lab for Propulsion and Power, Department of Mechanical, Aerospace & Biomedical Engineering, UT Space Institute, University of Tennessee, Knoxville, Tullahoma, Tennessee 37388, United States
| | - Kui Li
- Nanodynamics and High-Efficiency Lab for Propulsion and Power, Department of Mechanical, Aerospace & Biomedical Engineering, UT Space Institute, University of Tennessee, Knoxville, Tullahoma, Tennessee 37388, United States
| | - Zhiqiang Xie
- Nanodynamics and High-Efficiency Lab for Propulsion and Power, Department of Mechanical, Aerospace & Biomedical Engineering, UT Space Institute, University of Tennessee, Knoxville, Tullahoma, Tennessee 37388, United States
| | - Gaoqiang Yang
- Nanodynamics and High-Efficiency Lab for Propulsion and Power, Department of Mechanical, Aerospace & Biomedical Engineering, UT Space Institute, University of Tennessee, Knoxville, Tullahoma, Tennessee 37388, United States
| | - Shule Yu
- Nanodynamics and High-Efficiency Lab for Propulsion and Power, Department of Mechanical, Aerospace & Biomedical Engineering, UT Space Institute, University of Tennessee, Knoxville, Tullahoma, Tennessee 37388, United States
| | - Weitian Wang
- Nanodynamics and High-Efficiency Lab for Propulsion and Power, Department of Mechanical, Aerospace & Biomedical Engineering, UT Space Institute, University of Tennessee, Knoxville, Tullahoma, Tennessee 37388, United States
| | - Haoran Yu
- Center for Nanophase Materials Science, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Jefferey Baxter
- Center for Nanophase Materials Science, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Harry M Meyer
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - David A Cullen
- Center for Nanophase Materials Science, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Feng-Yuan Zhang
- Nanodynamics and High-Efficiency Lab for Propulsion and Power, Department of Mechanical, Aerospace & Biomedical Engineering, UT Space Institute, University of Tennessee, Knoxville, Tullahoma, Tennessee 37388, United States
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57
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Wang JG, Shi L, Su Y, Liu L, Yang Z, Huang R, Xie J, Tian Y, Li D. In-situ plasmonic tracking oxygen evolution reveals multistage oxygen diffusion and accumulating inhibition. Nat Commun 2021; 12:2164. [PMID: 33846310 PMCID: PMC8041856 DOI: 10.1038/s41467-021-22434-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 03/11/2021] [Indexed: 11/29/2022] Open
Abstract
Understanding mass transfer processes concomitant with electrochemical conversion for gas evolution reactions at the electrode-electrolyte interface plays a key role in advancing renewable energy storage and conversion. However, due to the complicated diffusion behavior of gas at the dynamic catalytic interfaces, it is still a great challenge to accurately portray mass transfer of gas during electrocatalysis process. Here, we track the diffusion of dissolved oxygen on Cu nanostructured plasmonic interface, which reveals multistage oxygen diffusion behaviors, including premature oxygen accumulation, spontaneous diffusion and accelerated oxygen dissipation. This work uncovers an accumulating inhibition effect on oxygen evolution arising from interfacial dissolved oxygen. With these knowledges, we develop a programmable potential scan strategy to eliminate interfacial gas products, which alleviates the concentration polarization, releases accessible actives sites and promotes electrocatalytic performance. Our findings provide a direct observation of the interfacial mass transfer processes that governs the kinetics of gas-involved multiphases catalysis. Understanding mass transfer processes concomitant with gas evolution reactions is important in energy research. Here, the authors show diffusion tracking of dissolved oxygen on copper nanostructured interface with plasmonic signal, and provide a direct observation of the interfacial mass transfer processes.
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Affiliation(s)
- Jun-Gang Wang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
| | - Lifang Shi
- Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Yingying Su
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China.,Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 10084, China
| | - Liwei Liu
- Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Zhenzhong Yang
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics, East China Normal University, Shanghai, 200241, China
| | - Rong Huang
- Key Laboratory of Polar Materials and Devices (MOE), Department of Electronics, East China Normal University, Shanghai, 200241, China
| | - Jing Xie
- Institute of Microelectronics, Chinese Academy of Sciences, Beijing, 100029, China
| | - Yang Tian
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
| | - Di Li
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China. .,Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 10084, China.
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58
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Bifunctional electrocatalysts derived from cluster-based ternary sulfides for oxygen electrode reactions. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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59
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Li W, Feng B, Yi L, Li J, Hu W. Highly Efficient Alkaline Water Splitting with Ru-Doped Co-V Layered Double Hydroxide Nanosheets as a Bifunctional Electrocatalyst. CHEMSUSCHEM 2021; 14:730-737. [PMID: 33225588 DOI: 10.1002/cssc.202002509] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/17/2020] [Indexed: 06/11/2023]
Abstract
Active electrocatalysts for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are decisive for achieving efficient energy conversion from electricity to hydrogen fuel through water electrolysis. In this study, tremella-like Ru-doped Co-V layered double hydroxide nanosheets on Ni Foam (Ru-CoV-LDH@NF) was fabricated by a one-pot solvothermal reaction. As-prepared Ru-CoV-LDH@NF, with a nominal Ru loading of around 51.6 μg cm-2 exhibits excellent bifunctional catalytic activity towards HER and OER in alkaline media. To accomplish a current density of 10 mA cm-2 , it demands 32 mV and 230 mV overpotentials for HER and OER, respectively. The alkali electrolyzer utilizing Ru-CoV-LDH/NF as bifunctional electrocatalyst affords 10 mA cm-2 electrolytic current density at an extremely low cell voltage of 1.50 V, showing excellent performance compared to a Pt/C-RuO2 -based electrolyzer and many other bifunctional electrocatalyst-based ones. The incorporation of Ru changes the morphology of the resultant nanosheets to offer high electrochemical surface areas for electrocatalysis; at the same time, it significantly boosts the intrinsic HER/OER electrocatalytic activity. For HER, the energy barrier of the Volmer step is efficiently reduced upon Ru doping, whereas the Ru dopants optimize the absorption strength of *O intermediates to facilitate the OER process. This work offers a feasible means to optimize the Co-based hydroxide materials for improved electrocatalysis in overall water splitting.
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Affiliation(s)
- Wei Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Southwest University, Ministry of Education, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
- School of Materials and Energy, Southwest University, Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
| | - Bomin Feng
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Southwest University, Ministry of Education, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
- School of Materials and Energy, Southwest University, Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
| | - Lingya Yi
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Southwest University, Ministry of Education, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
- School of Materials and Energy, Southwest University, Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
| | - Junying Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Southwest University, Ministry of Education, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
- School of Materials and Energy, Southwest University, Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
| | - Weihua Hu
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Southwest University, Ministry of Education, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
- School of Materials and Energy, Southwest University, Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, 2 Tiansheng, Beibei, Chongqing, 400715, P. R. China
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60
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Zhao CX, Liu JN, Wang J, Ren D, Li BQ, Zhang Q. Recent advances of noble-metal-free bifunctional oxygen reduction and evolution electrocatalysts. Chem Soc Rev 2021; 50:7745-7778. [DOI: 10.1039/d1cs00135c] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bifunctional oxygen reduction and evolution constitute the core processes for sustainable energy storage. The advances on noble-metal-free bifunctional oxygen electrocatalysts are reviewed.
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Affiliation(s)
- Chang-Xin Zhao
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Jia-Ning Liu
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Juan Wang
- Advanced Research Institute of Multidisciplinary Science
- Beijing Institute of Technology
- Beijing 100081
- China
- School of Materials Science and Engineering
| | - Ding Ren
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
| | - Bo-Quan Li
- Advanced Research Institute of Multidisciplinary Science
- Beijing Institute of Technology
- Beijing 100081
- China
- School of Materials Science and Engineering
| | - Qiang Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering
- Tsinghua University
- Beijing
- China
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61
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Wu M, Zhang G, Du L, Yang D, Yang H, Sun S. Defect Electrocatalysts and Alkaline Electrolyte Membranes in Solid-State Zinc-Air Batteries: Recent Advances, Challenges, and Future Perspectives. SMALL METHODS 2021; 5:e2000868. [PMID: 34927810 DOI: 10.1002/smtd.202000868] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/05/2020] [Indexed: 06/14/2023]
Abstract
Rechargeable zinc-air batteries (ZABs) have attracted much attention due to their promising capability for offering high energy density while maintaining a long operational lifetime. One of the biggest challenges in developing all-solid-state ZABs is to design suitable bifunctional air-electrodes, which can efficiently catalyze the key oxygen reduction reaction (ORR)/oxygen evolution reaction (OER) electrochemical processes. The other one is to develop robust electrolyte membranes with high ionic conductivity and superb water retention capability. In this review, an in-depth discussion of the challenges, mechanisms, and design strategies for the defect electrocatalyst and the electrolyte membrane in all-solid-state ZABs will be offered. In particular, the crucial defect engineering strategies to tune the ORR/OER catalysts are summarized, including direct controllable strategies: 1) atomically dispersed metal sites control, 2) vacancy defects control, and 3) lattice-strain control, and the indirect strategies: 4) crystallographic structure control and 5) metal-carbon support interaction control. Moreover, the most recent progress in designing electrolyte membranes, including polyvinyl alcohol-based membranes and gel polymer electrolyte membranes, is presented. Finally, the perspectives are proposed for rational design and fabrication of the desired air electrode and electrolyte membrane to improve the performance and prolong the lifetime of all-solid-state ZABs.
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Affiliation(s)
- Mingjie Wu
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
| | - Gaixia Zhang
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
| | - Lei Du
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
| | - Dachi Yang
- Engineering Research Center of Thin Film Optoelectronics Technology, Ministry of Education and College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300350, China
| | - Huaming Yang
- Department of Inorganic Materials, School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Shuhui Sun
- Institut National de la Recherche Scientifique (INRS)-Énergie Matériaux et Télécommunications, Varennes, Quebec, J3X 1S2, Canada
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62
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Huang W, Zhang J, Liu D, Xu W, Wang Y, Yao J, Tan HT, Dinh KN, Wu C, Kuang M, Fang W, Dangol R, Song L, Zhou K, Liu C, Xu JW, Liu B, Yan Q. Tuning the Electronic Structures of Multimetal Oxide Nanoplates to Realize Favorable Adsorption Energies of Oxygenated Intermediates. ACS NANO 2020; 14:17640-17651. [PMID: 33316158 DOI: 10.1021/acsnano.0c08571] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Highly active oxygen evolution reaction (OER) electrocatalysts are important to effectively transform renewable electricity to fuel and chemicals. In this work, we construct a series of multimetal oxide nanoplate OER electrocatalysts through successive cation exchange followed by electrochemical oxidation, whose electronic structure and diversified metal active sites can be engineered via the mutual synergy among multiple metal species. Among the examined multimetal oxide nanoplates, CoCeNiFeZnCuOx nanoplates exhibit the optimal adsorption energy of OER intermediates. Together with the high electrochemical active surface area, the CoCeNiFeZnCuOx nanoplates manage to deliver a small overpotential of 211 mV at an OER current density of 10 mA cm-2 (η10) with a Tafel slope as low as 21 mV dec-1 in 1 M KOH solution, superior to commercial IrO2 (339 mV at η10, Tafel slope of 55 mV dec-1), which can be stably operated at 10 mA cm-2 (at an overpotential of 211 mV) and 100 mA cm-2 (at an overpotential of 307 mV) for 100 h.
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Affiliation(s)
- Wenjing Huang
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Junming Zhang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459
| | - Daobin Liu
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Wenjie Xu
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, Anhui 230029, China
| | - Yu Wang
- Environmental Process Modelling Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 CleanTech Loop, Singapore 637141
| | - Jiandong Yao
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Hui Teng Tan
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Khang Ngoc Dinh
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Chen Wu
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Min Kuang
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Wei Fang
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Raksha Dangol
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Li Song
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, Anhui 230029, China
| | - Kun Zhou
- Environmental Process Modelling Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 CleanTech Loop, Singapore 637141
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, 50 Nanyang Avenue, Singapore 639798
| | - Chuntai Liu
- Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou 450002, China
| | - Jian Wei Xu
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459
| | - Qingyu Yan
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
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Sours T, Patel A, Nørskov J, Siahrostami S, Kulkarni A. Circumventing Scaling Relations in Oxygen Electrochemistry Using Metal-Organic Frameworks. J Phys Chem Lett 2020; 11:10029-10036. [PMID: 33179928 DOI: 10.1021/acs.jpclett.0c02889] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
It has been well-established that unfavorable scaling relationships between *OOH, *OH, and *O are responsible for the high overpotentials associated with oxygen electrochemistry. A number of strategies have been proposed for breaking these linear constraints for traditional electrocatalysts (e.g., metals, alloys, metal-doped carbons); such approaches have not yet been validated experimentally for heterogeneous catalysts. Development of a new class of catalysts capable of circumventing such scaling relations remains an ongoing challenge in the field. In this work, we use density functional theory (DFT) calculations to demonstrate that bimetallic porphyrin-based MOFs (PMOFs) are an ideal materials platform for rationally designing the 3-D active site environments for oxygen reduction reaction (ORR). Specifically, we show that the *OOH binding energy and the theoretical limiting potential can be optimized by appropriately tuning the transition metal active site, the oxophilic spectator, and the MOF topology. Our calculations predict theoretical limiting potentials as high as 1.07 V for Fe/Cr-PMOF-Al, which exceeds the Pt/C benchmark for 4e ORR. More broadly, by highlighting their unique characteristics, this work aims to establish bimetallic porphyrin-based MOFs as a viable materials platform for future experimental and theoretical ORR studies.
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Affiliation(s)
- Tyler Sours
- Department of Chemical Engineering, University of California, Davis, Davis, California 95616, United States
| | - Anjli Patel
- SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Jens Nørskov
- Department of Physics, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Samira Siahrostami
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Ambarish Kulkarni
- Department of Chemical Engineering, University of California, Davis, Davis, California 95616, United States
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64
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Zhao C, Zhang X, Yu M, Wang A, Wang L, Xue L, Liu J, Yang Z, Wang W. Cooperative Catalysis toward Oxygen Reduction Reaction under Dual Coordination Environments on Intrinsic AMnO 3 -Type Perovskites via Regulating Stacking Configurations of Coordination Units. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2006145. [PMID: 33179327 DOI: 10.1002/adma.202006145] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/27/2020] [Indexed: 06/11/2023]
Abstract
It remains challenging for pure-phase catalysts to achieve high performance during the electrochemical oxygen reduction reaction to overcome the sluggish kinetics without the assistance of extrinsic conditions. Herein, a series of pristine perovskites, i.e., AMnO3 (A = Ca, Sr, and Ba), are proposed with various octahedron stacking configurations to demonstrate the cooperative catalysis over SrMnO3 jointly explored by experiments and first-principles calculations. Comparing with the unitary stacking of coordination units in CaMnO3 or BaMnO3 , the intrinsic SrMnO3 with a mixture of corner-sharing and face-sharing octahedron stacking configurations demonstrates superior activity (Ehalf-wave = 0.81 V), and charge-discharge stability over 400 h without the voltage gap (≈0.8 V) increasing in zinc-air batteries. The theoretical study reveals that, on the SrMnO3 (110) surface, the active sites switch from coordinatively unsaturated atop Mn (*OO, *OOH) to Mn-Mn bridge (*O, *OH). Therefore, the intrinsic dual coordination environments of Mn-Ocorner and Mn-Oface enable cooperative modulation of the interaction strength of the oxygen intermediates with the surface, inducing the decrease of the *OH desorption energy (rate-limiting step) unrestricted by scaling relationships with the overpotential of ≈0.28 V. This finding provides insights into catalyst design through screening intrinsic structures with multiple coordination unit stacking configurations.
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Affiliation(s)
- Chunning Zhao
- Integrated Circuits and Smart System Lab (Shenzhen), Renewable Energy Conversion and Storage Center, Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Xilin Zhang
- School of Physics, Henan Key Laboratory of Photovoltaic Materials, Henan Normal University, 46# Jianshe Road, Xinxiang, 453007, P. R. China
| | - Meng Yu
- Integrated Circuits and Smart System Lab (Shenzhen), Renewable Energy Conversion and Storage Center, Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Ansheng Wang
- Integrated Circuits and Smart System Lab (Shenzhen), Renewable Energy Conversion and Storage Center, Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Linxia Wang
- Integrated Circuits and Smart System Lab (Shenzhen), Renewable Energy Conversion and Storage Center, Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Lina Xue
- Integrated Circuits and Smart System Lab (Shenzhen), Renewable Energy Conversion and Storage Center, Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Jieyu Liu
- Integrated Circuits and Smart System Lab (Shenzhen), Renewable Energy Conversion and Storage Center, Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
| | - Zongxian Yang
- School of Physics, Henan Key Laboratory of Photovoltaic Materials, Henan Normal University, 46# Jianshe Road, Xinxiang, 453007, P. R. China
| | - Weichao Wang
- Integrated Circuits and Smart System Lab (Shenzhen), Renewable Energy Conversion and Storage Center, Tianjin Key Laboratory of Photo-Electronic Thin Film Device and Technology, College of Electronic Information and Optical Engineering, Nankai University, Tianjin, 300071, P. R. China
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65
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Exner KS. A Universal Descriptor for the Screening of Electrode Materials for Multiple-Electron Processes: Beyond the Thermodynamic Overpotential. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03865] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kai S. Exner
- University of Duisburg-Essen, Faculty of Chemistry, Theoretical Chemistry, Universitätsstraße 5, 45141 Essen, Germany
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66
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Zhang J, Qian J, Ran J, Xi P, Yang L, Gao D. Engineering Lower Coordination Atoms onto NiO/Co3O4 Heterointerfaces for Boosting Oxygen Evolution Reactions. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03756] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jingyan Zhang
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University, Lanzhou 730000, P. R. China
| | - Jinmei Qian
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University, Lanzhou 730000, P. R. China
| | - Jiaqi Ran
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University, Lanzhou 730000, P. R. China
| | - Pinxian Xi
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province and The Research Center of Biomedical Nanotechnology, Lanzhou University, Lanzhou 730000, P. R. of China
| | - Lijun Yang
- Key Laboratory of Mesoscopic Chemistry of MOE, Jiangsu Provincial Lab for Nanotechnology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Daqiang Gao
- Key Laboratory for Magnetism and Magnetic Materials of MOE, Key Laboratory of Special Function Materials and Structure Design of MOE, Lanzhou University, Lanzhou 730000, P. R. China
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67
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Li X, Liu L, Ren X, Gao J, Huang Y, Liu B. Microenvironment modulation of single-atom catalysts and their roles in electrochemical energy conversion. SCIENCE ADVANCES 2020; 6:eabb6833. [PMID: 32967833 PMCID: PMC7531890 DOI: 10.1126/sciadv.abb6833] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 08/07/2020] [Indexed: 05/20/2023]
Abstract
Single-atom catalysts (SACs) have become the most attractive frontier research field in heterogeneous catalysis. Since the atomically dispersed metal atoms are commonly stabilized by ionic/covalent interactions with neighboring atoms, the geometric and electronic structures of SACs depend greatly on their microenvironment, which, in turn, determine the performances in catalytic processes. In this review, we will focus on the recently developed strategies of SAC synthesis, with attention on the microenvironment modulation of single-atom active sites of SACs. Furthermore, experimental and computational advances in understanding such microenvironment in association to the catalytic activity and mechanisms are summarized and exemplified in the electrochemical applications, including the water electrolysis and O2/CO2/N2 reduction reactions. Last, by highlighting the prospects and challenges for microenvironment engineering of SACs, we wish to shed some light on the further development of SACs for electrochemical energy conversion.
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Affiliation(s)
- Xuning Li
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Linghui Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xinyi Ren
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jiajian Gao
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Yanqiang Huang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore.
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68
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Ahsan MA, Puente Santiago AR, Hong Y, Zhang N, Cano M, Rodriguez-Castellon E, Echegoyen L, Sreenivasan ST, Noveron JC. Tuning of Trifunctional NiCu Bimetallic Nanoparticles Confined in a Porous Carbon Network with Surface Composition and Local Structural Distortions for the Electrocatalytic Oxygen Reduction, Oxygen and Hydrogen Evolution Reactions. J Am Chem Soc 2020; 142:14688-14701. [DOI: 10.1021/jacs.0c06960] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Md Ariful Ahsan
- Department of Chemistry and Biochemistry, University of Texas at El Paso, 500 W. University Avenue, El Paso, Texas 79968, United States
- Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, Houston, Texas, 77005, United States
| | - Alain R. Puente Santiago
- Department of Chemistry and Biochemistry, University of Texas at El Paso, 500 W. University Avenue, El Paso, Texas 79968, United States
| | - Yu Hong
- Department of Mechanical Engineering, Colorado School of Mines, Golden, Colorado 40801, United States
| | - Ning Zhang
- Department of Aerospace Engineering and Mechanics, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Manuel Cano
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Fine Chemistry and Nanochemistry (IUNAN), University of Córdoba, Campus Universitario de Rabanales, Edificio Marie Curie, E-14014 Córdoba, Spain
| | - Enrique Rodriguez-Castellon
- Department of Inorganic Chemistry, Crystallography and Mineralogy, Faculty of Sciences University of Málaga, E-29016 Málaga, Spain
| | - Luis Echegoyen
- Department of Chemistry and Biochemistry, University of Texas at El Paso, 500 W. University Avenue, El Paso, Texas 79968, United States
| | - Sreeprasad T. Sreenivasan
- Department of Chemistry and Biochemistry, University of Texas at El Paso, 500 W. University Avenue, El Paso, Texas 79968, United States
| | - Juan C. Noveron
- Department of Chemistry and Biochemistry, University of Texas at El Paso, 500 W. University Avenue, El Paso, Texas 79968, United States
- Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, Houston, Texas, 77005, United States
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69
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Mu Z, Yang M, He W, Pan Y, Zhang P, Li X, Wu X, Ding M. On-Chip Electrical Transport Investigation of Metal Nanoparticles: Characteristic Acidic and Alkaline Adsorptions Revealed on Pt and Au Surface. J Phys Chem Lett 2020; 11:5798-5806. [PMID: 32597655 DOI: 10.1021/acs.jpclett.0c01282] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Metal nanocrystals have been extensively explored as efficient and tailorable electrocatalysts for various sustainable energy technologies. Precise understanding of molecular interactions at the electrode-electrolyte interfaces during electrochemical processes, which mostly relies on the interpretation of spectroscopic surface information, is crucial to the innovations in catalyst design and optimization of reaction conditions. Here, we demonstrate the first in situ electrical transport evidence of pH-dependent surface anionic adsorptions on metal nanoparticles (MNPs), enabled by the on-chip electrical transport spectroscopy (ETS) of continuous nanoparticle (NP) thin films. Our results on platinum and gold NPs reveal the significant (and distinct) impacts of acid-base environments on their surface adsorption features, which contributes to the further understanding of gold- and platinum-based electrocatalytic systems. The successful employment of ETS on metal nanoparticles achieves a more general transport-based signaling technique that conveniently fits the abundance of catalytic materials with zero-dimension morphology.
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Affiliation(s)
- Zhangyan Mu
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Miao Yang
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Wen He
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yanghang Pan
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Panke Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xuefei Li
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xuejun Wu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Mengning Ding
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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70
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Zhang J, Tao HB, Kuang M, Yang HB, Cai W, Yan Q, Mao Q, Liu B. Advances in Thermodynamic-Kinetic Model for Analyzing the Oxygen Evolution Reaction. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01906] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Junming Zhang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
- Nanyang Environmental & Water Research Institute (Newri), Interdisciplinary Graduate Program, Graduate School, Nanyang Technological University, Singapore 637141, Singapore
| | - Hua Bing Tao
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
| | - Min Kuang
- School of Material Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Hong Bin Yang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
| | - Weizheng Cai
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
| | - Qingyu Yan
- School of Material Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Qing Mao
- School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, PR China
| | - Bin Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore
- Nanyang Environmental & Water Research Institute (Newri), Interdisciplinary Graduate Program, Graduate School, Nanyang Technological University, Singapore 637141, Singapore
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71
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Spontaneously separated intermetallic Co 3Mo from nanoporous copper as versatile electrocatalysts for highly efficient water splitting. Nat Commun 2020; 11:2940. [PMID: 32522988 PMCID: PMC7287083 DOI: 10.1038/s41467-020-16769-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 05/22/2020] [Indexed: 11/15/2022] Open
Abstract
Developing robust nonprecious electrocatalysts towards hydrogen/oxygen evolution reactions is crucial for widespread use of electrochemical water splitting in hydrogen production. Here, we report that intermetallic Co3Mo spontaneously separated from hierarchical nanoporous copper skeleton shows genuine potential as highly efficient electrocatalysts for alkaline hydrogen/oxygen evolution reactions in virtue of in-situ hydroxylation and electro-oxidation, respectively. The hydroxylated intermetallic Co3Mo has an optimal hydrogen-binding energy to facilitate adsorption/desorption of hydrogen intermediates for hydrogen molecules. Associated with high electron/ion transport of bicontinuous nanoporous skeleton, nanoporous copper supported Co3Mo electrodes exhibit impressive hydrogen evolution reaction catalysis, with negligible onset overpotential and low Tafel slope (~40 mV dec−1) in 1 M KOH, realizing current density of −400 mA cm−2 at overpotential of as low as 96 mV. When coupled to its electro-oxidized derivative that mediates efficiently oxygen evolution reaction, their alkaline electrolyzer operates with a superior overall water-splitting output, outperforming the one assembled with noble-metal-based catalysts. Electrochemical water splitting is an attractive energy conversion technology, but it usually suffers from low efficiency. Here, the authors report intermetallic Co3Mo integrated on porous Cu as highly efficient electrocatalysts for alkaline HER/OER due to in-situ hydroxylation and electro-oxidation.
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72
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Exner KS. Universality in Oxygen Evolution Electrocatalysis: High‐Throughput Screening and a Priori Determination of the Rate‐Determining Reaction Step. ChemCatChem 2020. [DOI: 10.1002/cctc.201902363] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kai S. Exner
- Sofia University Faculty of Chemistry and PharmacyDepartment of Physical Chemistry 1 James Bourchier Avenue 1164 Sofia Bulgaria
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73
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Singh A, Verma P, Samanta D, Singh T, Maji TK. Bimodal Heterogeneous Functionality in Redox-Active Conjugated Microporous Polymer toward Electrocatalytic Oxygen Reduction and Photocatalytic Hydrogen Evolution. Chemistry 2020; 26:3810-3817. [PMID: 31868270 DOI: 10.1002/chem.201904938] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Indexed: 11/07/2022]
Abstract
The designing and development of heterogeneous catalysts for conversion of renewable energy to chemical energies by electrochemical as well as photochemical processes is at the forefront of energy research. In this work, two new donor-acceptor-based redox-active conjugated microporous polymers (CMPs) (TAPA-OPE-mix and TAPA-OPE-gly) are synthesized through Schiff base condensation reaction using a microwave synthesizer. Notably, the asymmetric and symmetric bola-amphiphilic nature of the OPE struts results in distinct nanostructuring and morphologies in the CMPs. Interestingly, both CMPs show impressive heterogeneous catalytic activity toward electrochemical O2 reduction and photocatalytic H2 evolution reactions, and therefore, act as bimodal electro- and photocatalytic porous organic materials. Furthermore, the redox-active property of the CMPs is exploited for in situ generation and stabilization of platinum nanoparticles (Pt), and these Pt@CMPs exhibit significantly enhanced photocatalytic activity.
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Affiliation(s)
- Ashish Singh
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
| | - Parul Verma
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
| | - Debabrata Samanta
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
| | - Tarandeep Singh
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
| | - Tapas Kumar Maji
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 560064, India
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74
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Shang R, Steinmann SN, Xu BQ, Sautet P. Mononuclear Fe in N-doped carbon: computational elucidation of active sites for electrochemical oxygen reduction and oxygen evolution reactions. Catal Sci Technol 2020. [DOI: 10.1039/c9cy01935a] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
First principles simulations show that in Fe and N co-doped carbon, Fe coordination controls the activity for oxygen reduction and oxygen evolution reactions, and that including the electrostatic potential has a major influence at high potential.
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Affiliation(s)
- Rui Shang
- Innovative Catalysis Program
- Key Lab of Organic Optoelectronics & Molecular Engineering
- Department of Chemistry
- Tsinghua University
- Beijing 100084
| | - Stephan N. Steinmann
- Univ Lyon
- Ecole Normale Supérieure de Lyon
- CNRS Université Lyon 1
- Laboratoire de Chimie UMR 5182
- Lyon
| | - Bo-Qing Xu
- Innovative Catalysis Program
- Key Lab of Organic Optoelectronics & Molecular Engineering
- Department of Chemistry
- Tsinghua University
- Beijing 100084
| | - Philippe Sautet
- Department of Chemical and Biomolecular Engineering
- University of California Los Angeles
- Los Angeles
- USA
- Department of Chemistry and Biochemistry
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