101
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Yao Q, Yu Z, Li L, Huang X. Strain and Surface Engineering of Multicomponent Metallic Nanomaterials with Unconventional Phases. Chem Rev 2023; 123:9676-9717. [PMID: 37428987 DOI: 10.1021/acs.chemrev.3c00252] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
Multicomponent metallic nanomaterials with unconventional phases show great prospects in electrochemical energy storage and conversion, owing to unique crystal structures and abundant structural effects. In this review, we emphasize the progress in the strain and surface engineering of these novel nanomaterials. We start with a brief introduction of the structural configurations of these materials, based on the interaction types between the components. Next, the fundamentals of strain, strain effect in relevant metallic nanomaterials with unconventional phases, and their formation mechanisms are discussed. Then the progress in surface engineering of these multicomponent metallic nanomaterials is demonstrated from the aspects of morphology control, crystallinity control, surface modification, and surface reconstruction. Moreover, the applications of the strain- and surface-engineered unconventional nanomaterials mainly in electrocatalysis are also introduced, where in addition to the catalytic performance, the structure-performance correlations are highlighted. Finally, the challenges and opportunities in this promising field are prospected.
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Affiliation(s)
- Qing Yao
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Zhiyong Yu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Leigang Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- College of Materials Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Xiaoqing Huang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
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102
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Cha DC, Singh TI, Maibam A, Kim TH, Nam DH, Babarao R, Lee S. Metal-Organic Framework-Derived Mesoporous B-Doped CoO/Co@N-Doped Carbon Hybrid 3D Heterostructured Interfaces with Modulated Cobalt Oxidation States for Alkaline Water Splitting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301405. [PMID: 37165605 DOI: 10.1002/smll.202301405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/28/2023] [Indexed: 05/12/2023]
Abstract
Heteroatom-doped transition metal-oxides of high oxygen evolution reaction (OER) activities interfaced with metals of low hydrogen adsorption energy barrier for efficient hydrogen evolution reaction (HER) when uniformly embedded in a conductive nitrogen-doped carbon (NC) matrix, can mitigate the low-conductivity and high-agglomeration of metal-nanoparticles in carbon matrix and enhances their bifunctional activities. Thus, a 3D mesoporous heterostructure of boron (B)-doped cobalt-oxide/cobalt-metal nanohybrids embedded in NC and grown on a Ni foam substrate (B-CoO/Co@NC/NF) is developed as a binder-free bifunctional electrocatalyst for alkaline water-splitting via a post-synthetic modification of the metal-organic framework and subsequent annealing in different Ar/H2 gas ratios. B-CoO/Co@NC/NF prepared using 10% H2 gas (B-CoO/Co@NC/NF [10% H2 ]) shows the lowest HER overpotential (196 mV) and B-CoO/Co@NC/NF (Ar), developed in Ar, shows an OER overpotential of 307 mV at 10 mA cm-2 with excellent long-term durability for 100 h. The best anode and cathode electrocatalyst-based electrolyzer (B-CoO/Co@NC/NF (Ar)(+)//B-CoO/Co@NC/NF (10% H2 )(-)) generates a current density of 10 mA cm-2 with only 1.62 V with long-term stability. Further, density functional theory investigations demonstrate the effect of B-doping on electronic structure and reaction mechanism of the electrocatalysts for optimal interaction with reaction intermediates for efficient alkaline water-splitting which corroborates the experimental results.
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Affiliation(s)
- Dun Chan Cha
- Center for Bionano Intelligence Education and Research, Hanyang University ERICA, Ansan, 15588, Republic of Korea
- Department of Applied Chemistry, Hanyang University ERICA, Ansan, 15588, Republic of Korea
| | - Thangjam Ibomcha Singh
- Center for Bionano Intelligence Education and Research, Hanyang University ERICA, Ansan, 15588, Republic of Korea
- Department of Chemical and Molecular Engineering, Hanyang University ERICA, Ansan, 15588, Republic of Korea
- Department of Physics, Manipur University, Canchipur, Manipur, 795003, India
| | - Ashakiran Maibam
- School of Science, RMIT University, Melbourne, Victoria, 3001, Australia
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, 411 008, India
- Academy of Scientific and Innovative Research, CSIR-Human Resource Development Centre (CSIR-HRDC) Campus, Postal Staff College Area, Ghaziabad, Uttar Pradesh, 201002, India
| | - Tae Hyeong Kim
- Center for Bionano Intelligence Education and Research, Hanyang University ERICA, Ansan, 15588, Republic of Korea
- Department of Applied Chemistry, Hanyang University ERICA, Ansan, 15588, Republic of Korea
| | - Dong Hwan Nam
- Center for Bionano Intelligence Education and Research, Hanyang University ERICA, Ansan, 15588, Republic of Korea
- Department of Applied Chemistry, Hanyang University ERICA, Ansan, 15588, Republic of Korea
| | - Ravichandar Babarao
- School of Science, RMIT University, Melbourne, Victoria, 3001, Australia
- Manufacturing, CSIRO, Normanby Road, Clayton, Victoria, 3168, Australia
| | - Seunghyun Lee
- Center for Bionano Intelligence Education and Research, Hanyang University ERICA, Ansan, 15588, Republic of Korea
- Department of Applied Chemistry, Hanyang University ERICA, Ansan, 15588, Republic of Korea
- Department of Chemical and Molecular Engineering, Hanyang University ERICA, Ansan, 15588, Republic of Korea
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103
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Cui Z, Jiao W, Huang Z, Chen G, Zhang B, Han Y, Huang W. Design and Synthesis of Noble Metal-Based Alloy Electrocatalysts and Their Application in Hydrogen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301465. [PMID: 37186069 DOI: 10.1002/smll.202301465] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/21/2023] [Indexed: 05/17/2023]
Abstract
Hydrogen energy is regarded as the ultimate energy source for future human society, and the preparation of hydrogen from water electrolysis is recognized as the most ideal way. One of the key factors to achieve large-scale hydrogen production by water splitting is the availability of highly active and stable electrocatalysts. Although non-precious metal electrocatalysts have made great strides in recent years, the best hydrogen evolution reaction (HER) electrocatalysts are still based on noble metals. Therefore, it is particularly important to improve the overall activity of the electrocatalysts while reducing the noble metals load. Alloying strategies can shoulder the burden of optimizing electrocatalysts cost and improving electrocatalysts performance. With this in mind, recent work on the application of noble metal-based alloy electrocatalysts in the field of hydrogen production from water electrolysis is summarized. In this review, first, the mechanism of HER is described; then, the current development of synthesis methods for alloy electrocatalysts is presented; finally, an example analysis of practical application studies on alloy electrocatalysts in hydrogen production is presented. In addition, at the end of this review, the prospects, opportunities, and challenges facing noble metal-based alloy electrocatalysts are tried to discuss.
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Affiliation(s)
- Zhibo Cui
- Institute of Flexible Electronics (IFE), Ningbo Institute of Northwestern Polytechnical University, Frontiers Science Center for Flexible Electronics, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an, Shaanxi, 710129, China
| | - Wensheng Jiao
- Institute of Flexible Electronics (IFE), Ningbo Institute of Northwestern Polytechnical University, Frontiers Science Center for Flexible Electronics, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an, Shaanxi, 710129, China
| | - ZeYi Huang
- Institute of Flexible Electronics (IFE), Ningbo Institute of Northwestern Polytechnical University, Frontiers Science Center for Flexible Electronics, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an, Shaanxi, 710129, China
| | - Guanzhen Chen
- Institute of Flexible Electronics (IFE), Ningbo Institute of Northwestern Polytechnical University, Frontiers Science Center for Flexible Electronics, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an, Shaanxi, 710129, China
| | - Biao Zhang
- Institute of Flexible Electronics (IFE), Ningbo Institute of Northwestern Polytechnical University, Frontiers Science Center for Flexible Electronics, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an, Shaanxi, 710129, China
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, 45 South 9th Avenue, Gao Xin, Shenzhen, Guangdong, 518057, China
| | - Yunhu Han
- Institute of Flexible Electronics (IFE), Ningbo Institute of Northwestern Polytechnical University, Frontiers Science Center for Flexible Electronics, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an, Shaanxi, 710129, China
| | - Wei Huang
- Institute of Flexible Electronics (IFE), Ningbo Institute of Northwestern Polytechnical University, Frontiers Science Center for Flexible Electronics, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an, Shaanxi, 710129, China
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104
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Li R, Rao P, Wu D, Li J, Deng P, Miao Z, Tian X. Understanding the Bifunctional Trends of Fe-Based Binary Single-Atom Catalysts. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301566. [PMID: 37341278 PMCID: PMC10460889 DOI: 10.1002/advs.202301566] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/25/2023] [Indexed: 06/22/2023]
Abstract
Binary single-atom catalysts (BSACs) have demonstrated fascinating activities compared to single atom catalysts (SACs) for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Notably, Fe SACs is one of the most promising ORR electrocatalysts, and further revealing the synergistic effects between Fe and other 3d transition metals (M) for FeM BSACs are very important to enhance bifunctional performance. Herein, density functional theory (DFT) calculations are first adapted to demonstrate the role of various transition metals on the bifunctional activity of Fe sites, and a notable volcano relationship is established through the generally accepted adsorption free energy that ΔG* OH for ORR, and ΔG* O -ΔG* OH for OER, respectively. Further, ten of the atomically dispersed FeM anchored on nitrogen-carbon support (FeM-NC) are successfully synthesized with typical atomic dispersion by a facile movable type printing method. The experimental data confirms the bifunctional activity diversity of FeM-NC between the early- and late- transition metals, agrees very well with the DFT results. More importantly, the optimal FeCu-NC shows the expected performance with high ORR and OER activity, thereby, the assembled rechargeable zinc-air battery delivers a high power density of 231 mW cm-2 , and an impressive stability that can be stably operated over 300 h.
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Affiliation(s)
- Ruisong Li
- State Key Laboratory of Marine Resource Utilization in South China SeaHainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou570228China
| | - Peng Rao
- State Key Laboratory of Marine Resource Utilization in South China SeaHainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou570228China
| | - Daoxiong Wu
- State Key Laboratory of Marine Resource Utilization in South China SeaHainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou570228China
| | - Jing Li
- State Key Laboratory of Marine Resource Utilization in South China SeaHainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou570228China
| | - Peilin Deng
- State Key Laboratory of Marine Resource Utilization in South China SeaHainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou570228China
| | - Zhengpei Miao
- State Key Laboratory of Marine Resource Utilization in South China SeaHainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou570228China
| | - Xinlong Tian
- State Key Laboratory of Marine Resource Utilization in South China SeaHainan Provincial Key Lab of Fine ChemistrySchool of Chemical Engineering and TechnologyHainan UniversityHaikou570228China
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105
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Jin H, Kim SS, Venkateshalu S, Lee J, Lee K, Jin K. Electrochemical Nitrogen Fixation for Green Ammonia: Recent Progress and Challenges. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300951. [PMID: 37289104 PMCID: PMC10427382 DOI: 10.1002/advs.202300951] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/08/2023] [Indexed: 06/09/2023]
Abstract
Ammonia, a key feedstock used in various industries, has been considered a sustainable fuel and energy storage option. However, NH3 production via the conventional Haber-Bosch process is costly, energy-intensive, and significantly contributing to a massive carbon footprint. An electrochemical synthetic pathway for nitrogen fixation has recently gained considerable attention as NH3 can be produced through a green process without generating harmful pollutants. This review discusses the recent progress and challenges associated with the two relevant electrochemical pathways: direct and indirect nitrogen reduction reactions. The detailed mechanisms of these reactions and highlight the recent efforts to improve the catalytic performances are discussed. Finally, various promising research strategies and remaining tasks are presented to highlight future opportunities in the electrochemical nitrogen reduction reaction.
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Affiliation(s)
- Haneul Jin
- Department of Energy and Materials EngineeringDongguk University‐SeoulSeoul04620Republic of Korea
| | - Suyeon S. Kim
- Department of Chemistry and Research Institute of Natural ScienceKorea UniversitySeoul02841Republic of Korea
| | - Sandhya Venkateshalu
- Department of Chemistry and Research Institute of Natural ScienceKorea UniversitySeoul02841Republic of Korea
| | - Jeseok Lee
- Department of Chemistry and Research Institute of Natural ScienceKorea UniversitySeoul02841Republic of Korea
| | - Kwangyeol Lee
- Department of Chemistry and Research Institute of Natural ScienceKorea UniversitySeoul02841Republic of Korea
| | - Kyoungsuk Jin
- Department of Chemistry and Research Institute of Natural ScienceKorea UniversitySeoul02841Republic of Korea
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106
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Rajan A, Pushkar AP, Dharmalingam BC, Varghese JJ. Iterative multiscale and multi-physics computations for operando catalyst nanostructure elucidation and kinetic modeling. iScience 2023; 26:107029. [PMID: 37360694 PMCID: PMC10285649 DOI: 10.1016/j.isci.2023.107029] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023] Open
Abstract
Modern heterogeneous catalysis has benefitted immensely from computational predictions of catalyst structure and its evolution under reaction conditions, first-principles mechanistic investigations, and detailed kinetic modeling, which are rungs on a multiscale workflow. Establishing connections across these rungs and integration with experiments have been challenging. Here, operando catalyst structure prediction techniques using density functional theory simulations and ab initio thermodynamics calculations, molecular dynamics, and machine learning techniques are presented. Surface structure characterization by computational spectroscopic and machine learning techniques is then discussed. Hierarchical approaches in kinetic parameter estimation involving semi-empirical, data-driven, and first-principles calculations and detailed kinetic modeling via mean-field microkinetic modeling and kinetic Monte Carlo simulations are discussed along with methods and the need for uncertainty quantification. With these as the background, this article proposes a bottom-up hierarchical and closed loop modeling framework incorporating consistency checks and iterative refinements at each level and across levels.
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Affiliation(s)
- Ajin Rajan
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Anoop P. Pushkar
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Balaji C. Dharmalingam
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Jithin John Varghese
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
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107
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Wang X, Zhang C, Li D, Sun Y, Ren J, Sun J, Yang D. Theoretical study of local S coordination environment on Fe single atoms for peroxymonosulfate-based advanced oxidation processes. JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131469. [PMID: 37116331 DOI: 10.1016/j.jhazmat.2023.131469] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/15/2023] [Accepted: 04/20/2023] [Indexed: 05/19/2023]
Abstract
Tuning the electronic structure of single atom catalysts (SACs) is an effective strategy to promote the catalytic activity in peroxymonosulfate (PMS)-based advanced oxidation processes (AOPs). Herein, a series of Fe-based SACs with S1/2/3/4-coordination numbers on graphene were designed to regulate the electronic structural of SACs at molecular level, and their effects on PMS activation were investigated via density function theory (DFT). The calculation results demonstrate that the electron structure of the active center can be adjusted by coordination environment, which further affects the activation of PMS. Among the studied Fe-SX-C4-X catalysts, with the increase of the S coordination number, the electron density of the Fe-SX-C4-X active center was optimized. The active center of the Fe-S4-C0 catalyst has a largest positive charge density, exhibiting the highest number of electron transfer. It also has a lower kinetic energy barrier (0.28 eV) for PMS dissociation. Organic pollutant such as bisphenol A (BPA) can achieve stable adsorption on Fe-SX-C4-X catalysts, which is conducive to subsequent oxidation by radicals. The dual index ∆f(r) indicates that the para-carbon atom of the hydroxyl group on the benzene ring of BPA is vulnerable to radical attack. This study highlights a theoretical support and a certain guide for designing efficient SACs to activate PMS.
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Affiliation(s)
- Xiaoxia Wang
- School of Environmental Science and Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, China
| | - Congyun Zhang
- School of Environmental Science and Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, China.
| | - Daohao Li
- School of Environmental Science and Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, China
| | - Yuanyuan Sun
- School of Environmental Science and Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, China
| | - Jun Ren
- School of Chemical Engineering and Technology, Shanxi Key Laboratory of High Performance Battery Materials and Devices, North University of China, Taiyuan 030051, China
| | - Jin Sun
- School of Environmental Science and Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, China.
| | - Dongjiang Yang
- School of Environmental Science and Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, China; Queensland Micro, and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, Brisbane, Queensland, 4111, Australia.
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108
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Chang X, Lu Z, Wang X, Zhao ZJ, Gong J. Tracking C-H bond activation for propane dehydrogenation over transition metal catalysts: work function shines. Chem Sci 2023; 14:6414-6419. [PMID: 37325145 PMCID: PMC10266452 DOI: 10.1039/d3sc01057k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 05/18/2023] [Indexed: 06/17/2023] Open
Abstract
The activation of the C-H bond in heterogeneous catalysis plays a privileged role in converting light alkanes into commodity chemicals with a higher value. In contrast to traditional trial-and-error approaches, developing predictive descriptors via theoretical calculations can accelerate the process of catalyst design. Using density functional theory (DFT) calculations, this work describes tracking C-H bond activation of propane over transition metal catalysts, which is highly dependent on the electronic environment of catalytic sites. Furthermore, we reveal that the occupancy of the antibonding state for metal-adsorbate interaction is the key factor in determining the ability to activate the C-H bond. Among 10 frequently used electronic features, the work function (W) exhibits a strong negative correlation with C-H activation energies. We demonstrate that e-W can effectively quantify the ability of C-H bond activation, surpassing the predictive capacity of the d-band center. The C-H activation temperatures of the synthesized catalysts also confirm the effectiveness of this descriptor. Apart from propane, e-W applies to other reactants like methane.
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Affiliation(s)
- Xin Chang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Zhenpu Lu
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Xianhui Wang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Zhi-Jian Zhao
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University, Binhai New City Fuzhou 350207 China
| | - Jinlong Gong
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University, Binhai New City Fuzhou 350207 China
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109
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Li J, Hou C, Chen C, Ma W, Li Q, Hu L, Lv X, Dang J. Collaborative Interface Optimization Strategy Guided Ultrafine RuCo and MXene Heterostructure Electrocatalysts for Efficient Overall Water Splitting. ACS NANO 2023. [PMID: 37200598 DOI: 10.1021/acsnano.3c02956] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Developing highly active and robust electrocatalysts for the hydrogen/oxygen evolution reaction (HER/OER) is crucial for the large-scale utilization of green hydrogen. In this study, a collaborative interface optimization guided strategy was employed to prepare a metal-organic framework (MOF) derived heterostructure electrocatalyst (MXene@RuCo NPs). The obtained electrocatalyst requires overpotentials of only 20 mV for the HER and 253 mV for the OER to deliver a current density of 10 mA/cm2 in alkaline media, respectively, and it also exhibits great performance at high current density. Experiments and theoretical calculations reveal that the doped Ru introduces second active sites and decreases the diameter of nanoparticles, which greatly enhances the number of active sites. More importantly, the MXene/RuCo NPs heterogeneous interfaces in the catalysts exhibit great synergistic effects, decreasing the work function of the catalyst and improving the charge transfer rate, thus reducing the energy barrier of the catalytic reaction. This work represents a promising strategy for the development of MOF-derived highly active catalysts to achieve efficient energy conversion in industrial applications.
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Affiliation(s)
- Jinzhou Li
- College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, P.R. China
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi Province, P.R. China
| | - Chengzhen Hou
- College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, P.R. China
| | - Chao Chen
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi Province, P.R. China
| | - Wansen Ma
- College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, P.R. China
| | - Qian Li
- State Key Laboratory of Advanced Special Steels & Shanghai Key Laboratory of Advanced Ferrometallurgy, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, P.R. China
| | - Liwen Hu
- College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, P.R. China
| | - Xuewei Lv
- College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, P.R. China
| | - Jie Dang
- College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, P.R. China
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110
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M Nguyen H, Omidkar A, Song H. Technical Challenges and Prospects in Sustainable Plasma Catalytic Ammonia Production from Methane and Nitrogen. Chempluschem 2023:e202300129. [PMID: 37160701 DOI: 10.1002/cplu.202300129] [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: 03/07/2023] [Revised: 04/19/2023] [Indexed: 05/11/2023]
Abstract
Ammonia is crucial for human life as an important ingredient for fertilizer, industrial and household chemicals, and is considered as a future fuel alternative and hydrogen storage molecule. There remain no viable alternatives to the energy-and capital-intensive Haber-Bosch (H-B) process. Efforts in the development of novel catalytic processes operated at milder conditions (low temperatures and ambient pressure), prominently electrochemistry and non-thermal plasma (NTP), and utilization of lower-cost H sources for ammonia formation than the ultrapure H2 have been witnessed in the last few years. Yet, limited progress from these routes has been made to date given unresolved low ammonia yield and technical challenges. Several rare works attempted to activate methane (CH4 ) and nitrogen (N2 ) by non-thermal plasma to produce ammonia and valued-added hydrocarbons have proven to be a promising research direction, rivalling the reaction between N2 and ultrapure H2 or water. The direct conversion of CH4 and N2 to ammonia is still at the beginning level, and it remains unclear that what extent these technologies must be improved to develop a commercial process. Toward this goal, this Perspective critiques current steps and miss-steps of sustainable plasma catalytic ammonia production from CH4 and N2 in terms of technology, plasma-catalyst synergy, mechanistic insights, and experimental protocols. We discuss mechanistic understandings of catalyst-promoted ammonia production and translate such discussions as well as key metrics achieved in the field into recommendations of feasible processes for ammonia and value-added hydrocarbons formation from CH4 and N2 .
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Affiliation(s)
- Hoang M Nguyen
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. N. W., Calgary, AB T2N 1N4, Canada
| | - Ali Omidkar
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. N. W., Calgary, AB T2N 1N4, Canada
| | - Hua Song
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Dr. N. W., Calgary, AB T2N 1N4, Canada
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111
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Ringe S. The importance of a charge transfer descriptor for screening potential CO 2 reduction electrocatalysts. Nat Commun 2023; 14:2598. [PMID: 37147278 PMCID: PMC10162986 DOI: 10.1038/s41467-023-37929-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 03/30/2023] [Indexed: 05/07/2023] Open
Abstract
It has been over twenty years since the linear scaling of reaction intermediate adsorption energies started to coin the fields of heterogeneous and electrocatalysis as a blessing and a curse at the same time. It has established the possibility to construct activity volcano plots as a function of a single or two readily accessible adsorption energies as descriptors, but also limited the maximal catalytic conversion rate. In this work, it is found that these established adsorption energy-based descriptor spaces are not applicable to electrochemistry, because they are lacking an important additional dimension, the potential of zero charge. This extra dimension arises from the interaction of the electric double layer with reaction intermediates which does not scale with adsorption energies. At the example of the electrochemical reduction of CO2 it is shown that the addition of this descriptor breaks the scaling relations, opening up a huge chemical space that is readily accessible via potential of zero charge-based material design. The potential of zero charge also explains product selectivity trends of electrochemical CO2 reduction in close agreement with reported experimental data highlighting its importance for electrocatalyst design.
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Affiliation(s)
- Stefan Ringe
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea.
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112
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Calle-Vallejo F. The ABC of Generalized Coordination Numbers and Their Use as a Descriptor in Electrocatalysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2207644. [PMID: 37102632 PMCID: PMC10369287 DOI: 10.1002/advs.202207644] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 03/08/2023] [Indexed: 06/19/2023]
Abstract
The quest for enhanced electrocatalysts can be boosted by descriptor-based analyses. Because adsorption energies are the most common descriptors, electrocatalyst design is largely based on brute-force routines that comb materials databases until an energetic criterion is verified. In this review, it is shown that an alternative is provided by generalized coordination numbers (denoted by CN ¯ $\overline {{\rm{CN}}} $ or GCN), an inexpensive geometric descriptor for strained and unstrained transition metals and some alloys. CN ¯ $\overline {{\rm{CN}}} $ captures trends in adsorption energies on both extended surfaces and nanoparticles and is used to elaborate structure-sensitive electrocatalytic activity plots and selectivity maps. Importantly, CN ¯ $\overline {{\rm{CN}}} $ outlines the geometric configuration of the active sites, thereby enabling an atom-by-atom design, which is not possible using energetic descriptors. Specific examples for various adsorbates (e.g., *OH, *OOH, *CO, and *H), metals (e.g., Pt and Cu), and electrocatalytic reactions (e.g., O2 reduction, H2 evolution, CO oxidation, and reduction) are presented, and comparisons are made against other descriptors.
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Affiliation(s)
- Federico Calle-Vallejo
- Nano-Bio Spectroscopy Group and European Theoretical Spectroscopy Facility (ETSF), Department of Advanced Materials and Polymers: Physics, Chemistry and Technology, University of the Basque Country UPV/EHU, 20018, Av. Tolosa 72, San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, Plaza de Euskadi 5, Bilbao, 48009, Spain
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113
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Huang X, Wang J, Zhao C, Gan LY, Xu H. NiO Matrix Decorated by Ru Single Atoms: Electron-Rich Ru-Induced High Activity and Selectivity toward Electrochemical N 2 Reduction. J Phys Chem Lett 2023; 14:3785-3793. [PMID: 37052489 DOI: 10.1021/acs.jpclett.3c00372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Developing a single-atom catalyst with electron-rich active sites is a promising strategy for catalyzing the electrochemical N2 reduction reaction (NRR). Herein, we choose NiO(001) as a model template and deposit a series of single transition metal (TM) atoms with higher formal charges to create the electron-rich active centers. Our first-principles calculations show that low-valent Ru (+2) on NiO(001) can significantly activate N2, with its oxidation states varying from +2 to +4 throughout the catalytic cycle. The Ru/NiO(001) catalyst exhibits the best activity with a relatively low limiting potential of -0.49 V. Furthermore, under NRR operating conditions, the Ru site is primarily occupied by *N2 rather than *H, indicating that NRR overwhelms the hydrogen evolution reaction and thus exhibits excellent selectivity. Our work highlights the potential of designing catalysts with electron-rich active sites for NRR.
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Affiliation(s)
- Xiang Huang
- Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jiong Wang
- Innovation Center for Chemical Sciences, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Changming Zhao
- Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
| | - Li-Yong Gan
- Institute for Structure and Function and Department of Physics, Chongqing University, Chongqing 400030, China
| | - Hu Xu
- Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
- Guangdong Provincial Key Laboratory of Computational Science and Material Design, Southern University of Science and Technology, Shenzhen 518055, China
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114
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Liu S, Chang Y, He N, Zhu S, Wang L, Liu X. Competition between Lattice Oxygen and Adsorbate Evolving Mechanisms in Rutile Ru-Based Oxide for the Oxygen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2023; 15:20563-20570. [PMID: 37040160 DOI: 10.1021/acsami.3c02086] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
The oxygen evolution reaction (OER) is the primary bottleneck for electrochemical splitting of water into H2. Developing robust and active OER electrocatalysts through understanding the OER mechanism is essential. However, the mechanism for OER is not yet well understood even for the most studied rutile Ru-based oxide, especially in a water-solvent environment. It is still disputed whether the adsorbate evolving mechanism (AEM) is competitive with the lattice oxygen mechanism (LOM). In this article, the AEM and LOM for OER in transition metal (TM)-doped rutile RuO2 with different ratios of TM and Ru are discussed through density functional theory + U calculation. In low TM doping concentration, the evolved O2 is generated through the AEM, and the OER activity is limited by the scaling relationship of OER intermediates. In higher TM doping concentration, the evolved O2 is generated through the LOM for Cu- or Ni-doped RuO2. We find that the distribution of Ru 4d and O 2p orbitals and the adsorption energy of H and O are the major factors that affect the conversion of AEM into LOM. By explicitly considering the water-solvent environment, the LOM can result in higher theoretical OER activity arising from the effects of hydrogen-bond networks.
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Affiliation(s)
- Shangguo Liu
- Province and Ministry Co-construction Collaborative Innovation Center of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yaxiang Chang
- Province and Ministry Co-construction Collaborative Innovation Center of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Na He
- Province and Ministry Co-construction Collaborative Innovation Center of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Shenglin Zhu
- Province and Ministry Co-construction Collaborative Innovation Center of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Lianbao Wang
- Province and Ministry Co-construction Collaborative Innovation Center of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Xien Liu
- Province and Ministry Co-construction Collaborative Innovation Center of Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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115
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Li X, Giordano C. Designed NiMoC@C and NiFeMo 2C@C core-shell nanoparticles for oxygen evolution in alkaline media. Front Chem 2023; 11:1162675. [PMID: 37179773 PMCID: PMC10169681 DOI: 10.3389/fchem.2023.1162675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 03/28/2023] [Indexed: 05/15/2023] Open
Abstract
Electrochemical water splitting is one of the most promising and clean ways to produce hydrogen as a fuel. Herein, we present a facile and versatile strategy for synthesizing non-precious transition binary and ternary metal-based catalysts encapsulated in a graphitic carbon shell. NiMoC@C and NiFeMo2C@C were prepared via a simple sol-gel based method for application in the Oxygen Evolution Reaction (OER). The conductive carbon layer surrounding the metals was introduced to improve electron transport throughout the catalyst structure. This multifunctional structure showed synergistic effects, possess a larger number of active sites and enhanced electrochemical durability. Structural analysis indicated that the metallic phases were encapsulated in the graphitic shell. Experimental results demonstrated that the optimal core-shell material NiFeMo2C@C exhibited the best catalytic performance for the OER in 0.5 M KOH, reaching a current density of 10 mA cm-2 at low overpotential of 292 mV for the OER, superior to the benchmark IrO2 nanoparticles. The good performances and stability of these OER electrocatalysts, alongside an easily scalable procedure makes these systems ideal for industrial purposes.
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Affiliation(s)
| | - Cristina Giordano
- Department of Chemistry, Queen Mary University of London, London, United Kingdom
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116
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Liu Y, Cui T, Li D. Unconventional Self-Reconstructed Trimer-like Metal Zigzag Edge of 1T-Phase Transition Metal Dichalcogenides. J Phys Chem Lett 2023; 14:3651-3657. [PMID: 37027822 DOI: 10.1021/acs.jpclett.3c00625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Undercoordination-induced slight bond contraction of the pristine edge is a conventional edge self-reconstructed pattern in two-dimensional materials that generally cannot drive the edge into its ground state. Despite reports of unconventional edge self-reconstructed patterns of 1H-phase transition metal dichalcogenides (TMDCs), there have been no reports of sister 1T-phase TMDCs. Here, we predict an unconventional (2 × 1) edge self-reconstructed pattern for 1T-TMDCs by considering 1T-TiTe2. A novel self-reconstructed trimer-like metal zigzag edge (TMZ edge) with one-dimensional metal atomic chains and Ti3 trimers is uncovered. Its metal triatomic 3d orbital coupling leads to Ti3 trimerization. This TMZ edge occurs in group IV, V, and X 1T-TMDCs and has an energetic advantage far beyond conventional bond contraction. The unique triatomic synergistic effect results in better catalysis of the hydrogen evolution reaction (HER) for the 1T-TMDCs than with commercial platinum-based catalysts. This study provides a new strategy for maximizing the HER catalytic efficiency of 1T-TMDCs by using atomic edge engineering.
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Affiliation(s)
- Yue Liu
- State Key Lab of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China
| | - Tian Cui
- State Key Lab of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China
- School of Physical Science and Technology, Ningbo University, Ningbo 315211, P. R. China
| | - Da Li
- State Key Lab of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China
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117
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Felix JPCS, Batista KEA, Morais WO, Nagurniak GR, Orenha RP, Rêgo CRC, Guedes-Sobrinho D, Parreira RLT, Ferrer MM, Piotrowski MJ. Molecular adsorption on coinage metal subnanoclusters: A DFT+D3 investigation. J Comput Chem 2023; 44:1040-1051. [PMID: 36576316 DOI: 10.1002/jcc.27063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 12/13/2022] [Accepted: 12/16/2022] [Indexed: 12/29/2022]
Abstract
Gold and silver subnanoclusters with few atoms are prominent candidates for catalysis-related applications, primarily because of the large fraction of lower-coordinated atoms exposed and ready to interact with external chemical species. However, an in-depth energetic analysis is necessary to characterize the relevant terms within the molecular adsorption process that can frame the interactions within the Sabatier principle. Herein, we investigate the interaction between Agn and Aun subnanoclusters (clu, n = 2-7) and N2 , NO, CO, and O2 molecules, using scalar-relativistic density functional theory calculations within van der Waals D3 corrections. The onefold top site is preferred for all chemisorption cases, with a predominance of linear (≈180°) and bent (≈120°) molecular geometries. A larger magnitude of adsorption energy is correlated with smaller distances between molecules and clusters and with the weakening of the adsorbates bond strength represented by the increase of the equilibrium distances and decrease of molecular stretching frequencies. From the energetic decomposition, the interaction energy term was established as an excellent descriptor to classify subnanoclusters in the adsorption/desorption process concomitant with the Sabatier principle. The limiting cases: (i) weak molecular adsorption on the subnanoclusters, which may compromise the reaction activation, where an interaction energy magnitude close to 0 eV is observed (e.g., physisorption in N2 /Ag6 ); and (ii) strong molecular interactions with the subnanoclusters, given the interaction energy magnitude is larger than at least one of the individual fragment binding energies (e.g., strong chemisorption in CO/Au4 and NO/Au4 ), conferring a decrease in the desorption rate and an increase in the possible poisoning rate. However, the intermediate cases are promising by involving interaction energy magnitudes between zero and fragment binding energies. Following the molecular closed-shell (open-shell) electronic configuration, we find a predominant electrostatic (covalent) nature of the physical interactions for N2 ⋯clu and CO ⋯clu (O2 ⋯clu and NO⋯clu), except in the physisorption case (N2 /Ag6 ) where dispersive interaction is dominant. Our results clarify questions about the molecular adsorption on subnanoclusters as a relevant mechanistic step present in nanocatalytic reactions.
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Affiliation(s)
- João P C S Felix
- Department of Physics, Federal University of Pelotas, Pelotas, Brazil
| | - Krys E A Batista
- Coordenadoria Regional de Ensino, Secretaria de Estado de Educação e Desporto, Tefé, Brazil
| | - Wesley O Morais
- Department of Physics, Federal University of Pelotas, Pelotas, Brazil
| | - Glaucio R Nagurniak
- Department of Chemistry, State University of Ponta Grossa, Ponta Grossa, Brazil
| | - Renato P Orenha
- Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, Florianópolis, Brazil.,Núcleo de Pesquisas em Ciências Exatas e Tecnológicas, Universidade de Franca, Franca, Brazil
| | - Celso R C Rêgo
- Institute of Nanotechnology Hermann-von-Helmholtz-Platz, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | | | - Renato L T Parreira
- Núcleo de Pesquisas em Ciências Exatas e Tecnológicas, Universidade de Franca, Franca, Brazil
| | - Mateus M Ferrer
- Center of Technological Development, Federal University of Pelotas, Pelotas, Brazil
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118
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Cai Z, Zhao D, Fan X, Zhang L, Liang J, Li Z, Li J, Luo Y, Zheng D, Wang Y, Li T, Yan H, Ying B, Sun S, Alshehri AA, Yan H, Xu J, Kong Q, Sun X. Rational Construction of Heterostructured Cu 3 P@TiO 2 Nanoarray for High-Efficiency Electrochemical Nitrite Reduction to Ammonia. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300620. [PMID: 37058080 DOI: 10.1002/smll.202300620] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/10/2023] [Indexed: 06/19/2023]
Abstract
Electroreduction of nitrite (NO2 - ) to valuable ammonia (NH3 ) offers a sustainable and green approach for NH3 synthesis. Here, a Cu3 P@TiO2 heterostructure is rationally constructed as an active catalyst for selective NO2 - -to-NH3 electroreduction, with rich nanosized Cu3 P anchored on a TiO2 nanoribbon array on Ti plate (Cu3 P@TiO2 /TP). When performed in the 0.1 m NaOH with 0.1 m NaNO2 , the Cu3 P@TiO2 /TP electrode obtains a large NH3 yield of 1583.4 µmol h-1 cm-2 and a high Faradaic efficiency of 97.1%. More importantly, Cu3 P@TiO2 /TP also delivers remarkable long-term stability for 50 h electrolysis. Theoretical calculations indicate that intermediate adsorption/conversion processes on Cu3 P@TiO2 interfaces are synergistically optimized, substantially facilitating the conversion of NO2 - -to-NH3 .
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Affiliation(s)
- Zhengwei Cai
- Key Laboratory of Marine Chemistry Theory and Technology (Ministry of Education), College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100, China
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Donglin Zhao
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Xiaoya Fan
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Longcheng Zhang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Jie Liang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Zixiao Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Jun Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Yongsong Luo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Dongdong Zheng
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Yan Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Tingshuai Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Hong Yan
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Binwu Ying
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Shengjun Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Abdulmohsen Ali Alshehri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Hong Yan
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210011, China
| | - Jia Xu
- Key Laboratory of Marine Chemistry Theory and Technology (Ministry of Education), College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, 266100, China
| | - Qingquan Kong
- Interdisciplinary Materials Research Center, Institute for Advanced Study, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Xuping Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
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119
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Li P, Li W, Huang Y, Huang Q, Tian S. 3D Hierarchical-Architectured Nanoarray Electrode for Boosted and Sustained Urea Electro-Oxidation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300725. [PMID: 37035957 DOI: 10.1002/smll.202300725] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/23/2023] [Indexed: 06/19/2023]
Abstract
Exploring active and durable Ni-based materials with optimized electronic and architectural engineering to promote the urea oxidation reaction (UOR) is pivotal for the urea-related technologies. Herein a 3D self-supported hierarchical-architectured nanoarray electrode (CC/MnNi@NC) is proposed in which 1D N-doped carbon nanotubes (N-CNTs) with 0D MnNi nanoparticles (NPs) encapsulation are intertwined into 2D nanosheet aligned on the carbon cloth for prominently boosted and sustained UOR electrocatalysis. From combined experimental and theoretical investigations, Mn-alloying can regulate Ni electronic state with downshift of the d-band center, facilitating active Ni3+ species generation and prompting the rate-determining step (*COO intermediate desorption). Meanwhile, the micro/nano-hierarchical nanoarray configuration with N-CNTs encapsulating MnNi NPs can not only endow strong operational durability against metal corrosion/agglomeration and enrich the density of active sites, but also accelerate electron transfer, and more intriguingly, promote mass transfer as a result of desirable superhydrophilic and quasi-superaerophobic characteristics. Therefore, with such elegant integration of 0D, 1D and 2D motifs into 3D micro/nano-hierarchical architecture, the resulting CC/MnNi@NC can deliver admirable UOR performance, favorably comparable to the best-performing UOR electrocatalysts reported thus far. This work opens a fresh prospect in developing advanced electrocatalysts via electronic manipulation coupled with architectural engineering for various energy conversion technologies.
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Affiliation(s)
- Ping Li
- School of Environment Science and Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou, 510275, P. R. China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, 510275, P. R. China
| | - Wenqin Li
- School of Environment Science and Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou, 510275, P. R. China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, 510275, P. R. China
| | - Yuqi Huang
- School of Environment Science and Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou, 510275, P. R. China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, 510275, P. R. China
| | - Quhua Huang
- School of Environment Science and Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou, 510275, P. R. China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, 510275, P. R. China
| | - Shuanghong Tian
- School of Environment Science and Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou, 510275, P. R. China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, 510275, P. R. China
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120
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Das D, Manna J, Bhattacharyya TK. Efficient Hydrogen Evolution via 1T-MoS 2 /Chlorophyll-a Heterostructure: Way Toward Metal Free Green Catalyst. SMALL METHODS 2023; 7:e2201446. [PMID: 36807895 DOI: 10.1002/smtd.202201446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/20/2022] [Indexed: 06/18/2023]
Abstract
Electrocatalytic hydrogen evolution reaction (HER) is regarded as a sustainable and green way for H2 generation, which faces a great challenge in designing highly active, stable electrocatalysts to replace the state-of-art noble metal-platinum catalysts. 1T MoS2 is highly promising in this regard, but the synthesis and stability of this is a particularly pressing task. Here, a phase engineering strategy has been proposed to achieve a stable, high-percentage (88%) 1T MoS2 /chlorophyll-a hetero-nanostructure, through a photo-induced donation of anti-bonding electrons from chlorophyll-a (CHL-a) highest occupied molecular orbital to 2H MoS2 lowest unoccupied molecular orbital. The resultant catalyst has abundant binding sites provided by the coordination of magnesium atom in the CHL-a macro-cycle, featuring higher binding strength and low Gibbs-free energy. This metal-free heterostructure exhibits excellent stability via band renormalization of Mo 4d orbital which creates the pseudogap-like structure by lifting the degeneracy of projected density of state with 4S in 1T MoS2 . It shows extremely low overpotential, toward the acidic HER (68 mV at the current density of 10 mA cm-2 ), very close to the Pt/C catalyst (53 mV). The high electrochemical-surface-area and electrochemical turnover frequency support enhanced active sites along with near zero Gibbs free energy. Such a surface-reconstruction strategy provides a new avenue toward the production of efficient non-noble-metal-catalysts for the HER with the aim of green-hydrogen production.
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Affiliation(s)
- Debmallya Das
- School of Nano-Science and Technology, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India
| | - Jhimli Manna
- Department of Electronics and Communication Engineering, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India
| | - Tarun Kanti Bhattacharyya
- Department of Electronics and Communication Engineering, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India
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121
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Li H, Dai S, Wu Y, Dong Q, Chen J, Chen HT, Hu A, Chou J, Chen T. Atomic Scaled Depth Correlation to the Oxygen Reduction Reaction Performance of Single Atom Ni Alloy to the NiO 2 Supported Pd Nanocrystal. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207109. [PMID: 36752398 PMCID: PMC10104651 DOI: 10.1002/advs.202207109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/11/2023] [Indexed: 06/18/2023]
Abstract
This study demonstrates the intercalation of single-atom Ni (NiSA ) substantially reduces the reaction activity of Ni oxide supported Pd nanoparticle (NiO2 /Pd) in the oxygen reduction reaction (ORR). The results indicate the transition states kinetically consolidate the adsorption energy for the chemisorbed O and OH species on the ORR activity. Notably, the NiO2 /Ni1 /Pd performs the optimum ORR behavior with the lowest barrier of 0.49 eV and moderate second-step barrier of 0.30 eV consequently confirming its utmost ORR performance. Through the stepwise cross-level demonstrations, a structure-Eads -ΔE correspondence for the proposed NiO2 /Nin /Pd systems is established. Most importantly, such a correspondence reveals that the electronic structure of heterogeneous catalysts can be significantly differed by the segregation of atomic clusters in different dimensions and locations. Besides, the doping-depth effect exploration of the NiSA in the NiO2 /Pd structure intrinsically elucidates that the Ni atom doping in the subsurface induces the most fruitful NiSA /PdML synergy combining the electronic and strain effects to optimize the ORR, whereas this desired synergy diminishes at high Pd coverages. Overall, the results not only rationalize the variation in the redox properties but most importantly provides a precision evaluation of the process window for optimizing the configuration and composition of bimetallic catalysts in practical experiments.
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Affiliation(s)
- Haolin Li
- School of Materials Science and EngineeringZhejiang Sci‐Tech UniversityHangzhou310018China
- Department of Engineering and System ScienceNational Tsing Hua UniversityHsinchu300044Taiwan
- Department of Mechanical EngineeringCity University of Hong KongHong Kong SAR999077China
| | - Sheng Dai
- School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai200234China
| | - Yawei Wu
- Department of Mechanical EngineeringCity University of Hong KongHong Kong SAR999077China
| | - Qi Dong
- Department of Electrical EngineeringTsinghua UniversityBeijing100084China
| | - Jianjun Chen
- School of Materials Science and EngineeringZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Hsin‐Yi Tiffany Chen
- Department of Engineering and System ScienceNational Tsing Hua UniversityHsinchu300044Taiwan
| | - Alice Hu
- Department of Mechanical EngineeringCity University of Hong KongHong Kong SAR999077China
- Department of Materials Science and EngineeringCity University of Hong KongHong Kong SAR999077China
| | - Jyh‐Pin Chou
- Department of PhysicsNational Changhua University of EducationChanghua50007Taiwan
| | - Tsan‐Yao Chen
- Department of Engineering and System ScienceNational Tsing Hua UniversityHsinchu300044Taiwan
- Hierarchical Green‐Energy Materials (Hi‐GEM) Research CentreNational Cheng Kung UniversityTainan70101Taiwan
- Department of Materials Science and EngineeringNational Taiwan University of Science and TechnologyTaipei10617Taiwan
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122
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Nguyen HM, Gorky F, Guthrie S, Carreon ML. Sustainable ammonia synthesis from nitrogen wet with sea water by single-step plasma catalysis. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.114141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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123
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Su DJ, Xiang SQ, Gao ST, Jiang Y, Liu X, Zhang W, Zhao LB, Tian ZQ. Kinetic Understanding of Catalytic Selectivity and Product Distribution of Electrochemical Carbon Dioxide Reduction Reaction. JACS AU 2023; 3:905-918. [PMID: 37006754 PMCID: PMC10052237 DOI: 10.1021/jacsau.3c00002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/07/2023] [Accepted: 02/17/2023] [Indexed: 06/19/2023]
Abstract
CO2 can be electrochemically reduced to different products depending on the nature of catalysts. In this work, we report comprehensive kinetic studies on catalytic selectivity and product distribution of the CO2 reduction reaction on various metal surfaces. The influences on reaction kinetics can be clearly analyzed from the variation of reaction driving force (binding energy difference) and reaction resistance (reorganization energy). Moreover, the CO2RR product distributions are further affected by external factors such as electrode potential and solution pH. A potential-mediated mechanism is found to determine the competing two-electron reduction products of CO2 that shifts from thermodynamics-controlled product formic acid at less negative electrode potentials to kinetic-controlled product CO at more negative electrode potentials. Based on detailed kinetic simulations, a three-parameter descriptor is applied to identify the catalytic selectivity of CO, formate, hydrocarbons/alcohols, as well as side product H2. The present kinetic study not only well explains the catalytic selectivity and product distribution of experimental results but also provides a fast way for catalyst screening.
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Affiliation(s)
- Dai-Jian Su
- Department
of Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Shi-Qin Xiang
- Department
of Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Shu-Ting Gao
- Department
of Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Yimin Jiang
- Department
of Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Xiaohong Liu
- Chongqing
Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
| | - Wei Zhang
- Chongqing
Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
| | - Liu-Bin Zhao
- Department
of Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhong-Qun Tian
- State
Key Laboratory for Physical Chemistry of Solid Surfaces, College of
Chemistry and Chemical Engineering, Collaborative Innovation Center
of Chemistry for Energy Materials, Xiamen
University, Xiamen 361005, China
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124
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Qian Q, He X, Li Z, Chen Y, Feng Y, Cheng M, Zhang H, Wang W, Xiao C, Zhang G, Xie Y. Electrochemical Biomass Upgrading Coupled with Hydrogen Production under Industrial-Level Current Density. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2300935. [PMID: 36964932 DOI: 10.1002/adma.202300935] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/14/2023] [Indexed: 06/18/2023]
Abstract
As promising hydrogen energy carrier, formic acid (HCOOH) plays an indispensable role in building a complete industry chain of a hydrogen economy. Currently, the biomass upgrading assisted water electrolysis has emerged as an attractive alternative for co-producing green HCOOH and H2 in a cost-effective manner, yet simultaneously affording high current density and Faradaic efficiency (FE) still remains a big challenge. Here, the ternary NiVRu-layered double hydroxides (LDHs) nanosheet arrays for selective glycerol oxidation and hydrogen evolution catalysis are reported, which yield an industry-level 1 A cm-2 at voltage of 1.933 V, meanwhile showing considerable HCOOH and H2 productivities of 12.5 and 17.9 mmol cm-2 h-1 , with FEs of almost 80% and 96%, respectively. Experimental and theoretical results reveal that the introduced Ru atoms can tune the local electronic structure of Ni-based LDHs, which not only optimizes hydrogen adsorption kinetics for HER, but also reduces the reaction energy barriers for both the conversion of NiII into GOR-active NiIII and carboncarbon (CC) bond cleavage. In short, this work highlights the potential of large-scale H2 and HCOOH productions from integrated electrocatalytic system and provides new insights for designing advanced electrocatalyst for low-cost and sustainable energy conversion.
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Affiliation(s)
- Qizhu Qian
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Xiaoyue He
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Ziyun Li
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Yanxu Chen
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Yafei Feng
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Mingyu Cheng
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Huaikun Zhang
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Wentao Wang
- Guizhou Provincial Key Laboratory of Computational Nano-Material Science, Guizhou Education University, Guiyang, Guizhou, 550018, P. R. China
| | - Chong Xiao
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui, 230031, P. R. China
| | - Genqiang Zhang
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
| | - Yi Xie
- Hefei National Research Center for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China Hefei, Anhui, 230026, P. R. China
- Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui, 230031, P. R. China
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125
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Zhao Y, Adiyeri Saseendran DP, Huang C, Triana CA, Marks WR, Chen H, Zhao H, Patzke GR. Oxygen Evolution/Reduction Reaction Catalysts: From In Situ Monitoring and Reaction Mechanisms to Rational Design. Chem Rev 2023; 123:6257-6358. [PMID: 36944098 DOI: 10.1021/acs.chemrev.2c00515] [Citation(s) in RCA: 50] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) are core steps of various energy conversion and storage systems. However, their sluggish reaction kinetics, i.e., the demanding multielectron transfer processes, still render OER/ORR catalysts less efficient for practical applications. Moreover, the complexity of the catalyst-electrolyte interface makes a comprehensive understanding of the intrinsic OER/ORR mechanisms challenging. Fortunately, recent advances of in situ/operando characterization techniques have facilitated the kinetic monitoring of catalysts under reaction conditions. Here we provide selected highlights of recent in situ/operando mechanistic studies of OER/ORR catalysts with the main emphasis placed on heterogeneous systems (primarily discussing first-row transition metals which operate under basic conditions), followed by a brief outlook on molecular catalysts. Key sections in this review are focused on determination of the true active species, identification of the active sites, and monitoring of the reactive intermediates. For in-depth insights into the above factors, a short overview of the metrics for accurate characterizations of OER/ORR catalysts is provided. A combination of the obtained time-resolved reaction information and reliable activity data will then guide the rational design of new catalysts. Strategies such as optimizing the restructuring process as well as overcoming the adsorption-energy scaling relations will be discussed. Finally, pending current challenges and prospects toward the understanding and development of efficient heterogeneous catalysts and selected homogeneous catalysts are presented.
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Affiliation(s)
- Yonggui Zhao
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | | | - Chong Huang
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Carlos A Triana
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Walker R Marks
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Hang Chen
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Han Zhao
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Greta R Patzke
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
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126
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Liu X, Gu Q, Zhang Y, Xu X, Wang H, Sun Z, Cao L, Sun Q, Xu L, Wang L, Li S, Wei S, Yang B, Lu J. Atomically Thick Oxide Overcoating Stimulates Low-Temperature Reactive Metal-Support Interactions for Enhanced Catalysis. J Am Chem Soc 2023; 145:6702-6709. [PMID: 36920448 DOI: 10.1021/jacs.2c12046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Reactive metal-support interactions (RMSIs) induce the formation of bimetallic alloys and offer an effective way to tune the electronic and geometric properties of metal sites for advanced catalysis. However, RMSIs often require high-temperature reductions (>500 °C), which significantly limits the tuning of bimetallic compositional varieties. Here, we report that an atomically thick Ga2O3 coating of Pd nanoparticles enables the initiation of RMSIs at a much lower temperature of ∼250 °C. State-of-the-art microscopic and in situ spectroscopic studies disclose that low-temperature RMSIs initiate the formation of rarely reported Ga-rich PdGa alloy phases, distinct from the Pd2Ga phase formed in traditional Pd/Ga2O3 catalysts after high-temperature reduction. In the CO2 hydrogenation reaction, the Ga-rich alloy phases impressively boost the formation of methanol and dimethyl ether ∼5 times higher than that of Pd/Ga2O3. In situ infrared spectroscopy reveals that the Ga-rich phases greatly favor formate formation as well as its subsequent hydrogenation, thus leading to high productivity.
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Affiliation(s)
- Xinyu Liu
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Qingqing Gu
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yafeng Zhang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xiaoyan Xu
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Hengwei Wang
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Zhihu Sun
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, Anhui, China
| | - Lina Cao
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Qimeng Sun
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Lulu Xu
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Leilei Wang
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Shang Li
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
| | - Shiqiang Wei
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, Anhui, China
| | - Bing Yang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Junling Lu
- Department of Chemical Physics, Hefei National Research Center for Physical Sciences at the Microscale, iChem, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230026, Anhui, China
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127
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Crotonaldehyde Adsorption on Cu-Pt Surface Alloys: A Quantum Mechanics Study. CHEMISTRY 2023. [DOI: 10.3390/chemistry5010034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023] Open
Abstract
The adsorption of crotonaldehyde on Cu-Pt alloy surfaces was characterized by density functional theory (DFT). Two surfaces were considered: Cu2Pt/Cu(111) and Cu3Pt/Cu(111). It was determined that the presence of Pt on the surface, even when isolated as single atoms fully surrounded by Cu, provides additional stability for the adsorbates, increasing the magnitude of the adsorption energy by as much as 40 kJ/mol. The preferred bonding on both surfaces is via multiple coordination, with the most stable configuration being a cis arrangement with di-σ bonding of the C=O bond across a Cu–Cu bridge and an additional π bonding to a Pt atom. The fact that Pt significantly affects the adsorption of unsaturated aldehydes such as crotonaldehyde explains why the kinetics of their hydrogenation using single-atom alloy (SAA) catalysts vary with alloy composition, as we previously reported, and brings into question the simple model in which the role of Pt is only to promote the dissociation of H2.
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128
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Li WQ, Manuel Arce-Ramos J, Sullivan MB, Kok Poh C, Chen L, Borgna A, Zhang J. Mechanistic insights into selective ethylene formation on the χ-Fe5C2 (510) surface. J Catal 2023. [DOI: 10.1016/j.jcat.2023.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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129
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Alkaline hydrogen oxidation reaction on Ni-based electrocatalysts: From mechanistic study to material development. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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130
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Shu P, Qi X, Peng Q, Chen Y, Gong X, Zhang Y, Ouyang F, Sun Z. Heterogeneous metal trimer catalysts on Mo2TiC2O2 MXene for highly active N2 conversion to NH3. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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131
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Cao A, Nørskov JK. Spin Effects in Chemisorption and Catalysis. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Affiliation(s)
- Ang Cao
- Catalysis Theory Center, Department of Physics, Technical University of Denmark, Kongens Lyngby 2800, Denmark
| | - Jens K. Nørskov
- Catalysis Theory Center, Department of Physics, Technical University of Denmark, Kongens Lyngby 2800, Denmark
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132
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Song ZY, Gao ZW, Li YY, Duan W, Xiao XY, Zhao YH, Yang YF, Huang CC, Yang M, Chen SH, Li PH, Huang XJ. Generalizable Descriptors of Highly Sensitive Detection of As(III) over Transition-Metal Single Atoms: A Combined Density Function Theory and Gradient Boosting Regression Approach. Anal Chem 2023; 95:3666-3674. [PMID: 36656141 DOI: 10.1021/acs.analchem.2c04617] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Traditional nanomodified electrodes have made great achievements in electrochemical stripping voltammetry of sensing materials for As(III) detection. Moreover, the intermediate states are complicated to probe because of the ultrashort lifetime and complex reaction conditions of the electron transfer process in electroanalysis, which seriously hinder the identification of the actual active site. Herein, the intrinsic interaction of highly sensitive analytical behavior of nanomaterials is elucidated from the perspective of electronic structure through density functional theory (DFT) and gradient boosting regression (GBR). It is revealed that the atomic radius, d-band center (εd), and the largest coordinative TM-N bond length play a crucial role in regulating the arsenic reduction reaction (ARR) performance by the established ARR process for 27 sets of transition-metal single atoms supported on N-doped graphene. Furthermore, the database composed of filtered intrinsic electronic structural properties and the calculated descriptors of the central metal atom in TM-N4-Gra were also successfully extended to oxygen evolution reaction (OER) systems, which effectively verified the reliability of the whole approach. Generally, a multistep workflow is developed through GBR models combined with DFT for valid screening of sensing materials, which will effectively upgrade the traditional trial-and-error mode for electrochemical interface designing.
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Affiliation(s)
- Zong-Yin Song
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China
| | - Zhi-Wei Gao
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China
| | - Yong-Yu Li
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,School of Environmental Science and Engineering, Tianjin University, Tianjin300350, China
| | - Wanchun Duan
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China
| | - Xiang-Yu Xiao
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China
| | - Yong-Huan Zhao
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China
| | - Yuan-Fan Yang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China
| | - Cong-Cong Huang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China
| | - Meng Yang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
| | - Shi-Hua Chen
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem And Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Pei-Hua Li
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
| | - Xing-Jiu Huang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China.,Department of Materials Science and Engineering, University of Science and Technology of China, Hefei230026, China.,State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem And Information Technology, Chinese Academy of Sciences, Shanghai200050, China
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133
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Saelee T, Chotsawat M, Rittiruam M, Suthirakun S, Praserthdam S, Ruankaew N, Khajondetchairit P, Junkaew A. First-principles-driven catalyst design protocol of 2D/2D heterostructures for electro- and photocatalytic nitrogen reduction reaction. Phys Chem Chem Phys 2023; 25:5327-5342. [PMID: 36727640 DOI: 10.1039/d2cp05124a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Ammonia synthesis from nitrogen is a vital process and a necessity in a variety of applications including energy, pharmaceutical, agricultural, and chemical applications. The electro- and photocatalytic nitrogen reduction reactions (NRRs) are promising sustainable processes operated under milder conditions than the conventional Haber-Bosch process. However, the main pain points of these catalytic processes are their low selectivity and low efficiency. This perspective presents the recent status and the design protocols for developing promising 2D/2D heterojunction catalysts for the NRR, using the first-principles approach. The current theoretical studies are briefly discussed, and available methods are suggested for the development and design of new potential 2D/2D heterojunctions as efficient electro- and photo-NRR catalysts.
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Affiliation(s)
- Tinnakorn Saelee
- High-Performance Computing Unit (CECC-HCU), Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand. .,Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
| | - Maneerat Chotsawat
- School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand.
| | - Meena Rittiruam
- High-Performance Computing Unit (CECC-HCU), Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand. .,Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
| | - Suwit Suthirakun
- School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand.
| | - Supareak Praserthdam
- High-Performance Computing Unit (CECC-HCU), Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand. .,Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
| | - Nirun Ruankaew
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Pathum Thani, 12120, Thailand.
| | - Patcharaporn Khajondetchairit
- High-Performance Computing Unit (CECC-HCU), Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand. .,Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand
| | - Anchalee Junkaew
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Pathum Thani, 12120, Thailand.
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134
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Madhu R, Karmakar A, Kundu S. Morphology-Dependent Electrocatalytic Behavior of Cobalt Chromite toward the Oxygen Evolution Reaction in Acidic and Alkaline Medium. Inorg Chem 2023; 62:2726-2737. [PMID: 36715550 DOI: 10.1021/acs.inorgchem.2c03840] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Exploiting an affordable, durable, and high-performance electrocatalyst for the oxygen evolution reaction (OER) under lower pH condition (acidic) is highly challengeable and much attractive toward the hydrogen-based energy technologies. A spinel CoCr2O4 is observed as a potential noble-metal-free candidate for OER in alkaline medium. The presence of Cr further leads to electronic structure modulation of Co3O4 and thereby greatly increases the corrosive resistance toward OER in acidic environment. Herein, a typical CoCr2O4 with three different morphologies was synthesized for the very first time and employed as an electrocatalyst for OER in alkaline (1 M KOH) and acidic (0.5 M H2SO4) medium. Moreover, different morphologies display a different intrinsic exposed active site and thereby display different electrocatalytic activities. Likewise, the CoCr2O4 Mic (synthesized by the microwave heating method) displays a higher catalytic activity toward OER and delivers a low overpotential of 293 and 290 mV to attain 10 mA/cm2 current density and smaller Tafel slope values of 40 and 151 mV/dec, respectively, in alkaline and acidic environment than the synthesized CoCr2O4 Wet (wet-chemically synthesized) and CoCr2O4 Hyd (hydrothermally synthesized). Moreover, CoCr2O4 Mic exhibits a long-term durability of 24 h (1 M KOH) and 10.5 h (0.5 M H2SO4). The optimized Co-O bond energy in OER condition makes the CoCr2O4 Mic superior than the CoCr2O4 Hyd and CoCr2O4 Wet. Moreover, the substitution of Cr induces the electron delocalization around the Co active species and thereby, positive shifting of the redox potential leads to providing an optimal binding energy for OER intermediates. Also, interestingly, this work represents a catalytic activity trend by a simple experimental result without any complex theoretical calculation. The morphology-dependent electrocatalytic activity obtained in this work will provide a new strategy in the field of electrochemical conversion and energy storage application.
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Affiliation(s)
- Ragunath Madhu
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi630003, Tamil Nadu, India
| | - Arun Karmakar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi630003, Tamil Nadu, India
| | - Subrata Kundu
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad201002, India.,Electrochemical Process Engineering (EPE) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi630003, Tamil Nadu, India
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Interpretable design of Ir-free trimetallic electrocatalysts for ammonia oxidation with graph neural networks. Nat Commun 2023; 14:792. [PMID: 36774355 PMCID: PMC9922329 DOI: 10.1038/s41467-023-36322-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 01/24/2023] [Indexed: 02/13/2023] Open
Abstract
The electrochemical ammonia oxidation to dinitrogen as a means for energy and environmental applications is a key technology toward the realization of a sustainable nitrogen cycle. The state-of-the-art metal catalysts including Pt and its bimetallics with Ir show promising activity, albeit suffering from high overpotentials for appreciable current densities and the soaring price of precious metals. Herein, the immense design space of ternary Pt alloy nanostructures is explored by graph neural networks trained on ab initio data for concurrently predicting site reactivity, surface stability, and catalyst synthesizability descriptors. Among a few Ir-free candidates that emerge from the active learning workflow, Pt3Ru-M (M: Fe, Co, or Ni) alloys were successfully synthesized and experimentally verified to be more active toward ammonia oxidation than Pt, Pt3Ir, and Pt3Ru. More importantly, feature attribution analyses using the machine-learned representation of site motifs provide fundamental insights into chemical bonding at metal surfaces and shed light on design strategies for high-performance catalytic systems beyond the d-band center metric of binding sites.
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136
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Yang YQ, Ji SJ, Suen NT. Dual Function of Hypo-d-electronic Transition Metals in the Brewer Intermetallic Phase for the Highly Efficient Electrocatalytic Hydrogen Evolution Reaction in Alkaline Electrolytes. Inorg Chem 2023; 62:2188-2196. [PMID: 36689680 DOI: 10.1021/acs.inorgchem.2c03891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Reported are the synthesis, material characterization, and electrocatalytic hydrogen evolution reaction (HER) in acid and alkaline electrolytes for the Brewer intermetallic phase, Nb6Co7 and Mo6Co7. It was realized that the overpotential at a current density of 10 mA/cm2 (η10) for Nb6Co7 (η10 = 62 mV) and Mo6Co7 (η10 = 143 mV) are both much lower than that of using a single Co metal (η10 = 253 mV) in alkaline electrolytes. The enhancement of electrocatalytic HER activity of Nb6Co7 and Mo6Co7 can be attributed to the hypo-hyper-d-electronic interaction between Nb/Mo and Co elements. Based on the result of density functional theory calculation, alloying between Nb/Mo and Co elements will increase the antibonding state population of the Co-Co bond near the Fermi level (EF), which induces the synergistic effect to influence the adsorption energy of the H atom (ΔGH) on the surface of Nb6Co7 and Mo6Co7. Moreover, the role of the Nb element is not only a simple electron donor but is also an anchor position for the OH molecule (i.e., dual function) due to the bonding character of the Nb-Co bond near EF. It can reduce the OH position effect as well as the activation energy for water dissociation, which rationalizes the high and robust HER performance of Nb6Co7 to that of commercial Pt/C (η10 = 67 mV) in alkaline electrolytes.
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Affiliation(s)
- Yu-Qing Yang
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou225002, China
| | - Shen-Jing Ji
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou225002, China
| | - Nian-Tzu Suen
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou225002, China
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137
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Zuo Y, Antonatos N, Děkanovský L, Luxa J, Elliott JD, Gianolio D, Šturala J, Guzzetta F, Mourdikoudis S, Regner J, Málek R, Sofer Z. Defect Engineering in Two-Dimensional Layered PdTe 2 for Enhanced Hydrogen Evolution Reaction. ACS Catal 2023. [DOI: 10.1021/acscatal.2c04968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Yunpeng Zuo
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Nikolas Antonatos
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Lukáš Děkanovský
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Jan Luxa
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Joshua D. Elliott
- Diamond Light Source, Diamond House, Harwell Science and Innovation Park, Didcot, Oxfordshire OX11 0DE, United Kingdom
| | - Diego Gianolio
- Diamond Light Source, Diamond House, Harwell Science and Innovation Park, Didcot, Oxfordshire OX11 0DE, United Kingdom
| | - Jiří Šturala
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Fabrizio Guzzetta
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Stefanos Mourdikoudis
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Jakub Regner
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Roman Málek
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Zdeněk Sofer
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
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138
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Kim H, Jan A, Kwon DH, Ji HI, Yoon KJ, Lee JH, Jun Y, Son JW, Yang S. Exsolution of Ru Nanoparticles on BaCe 0.9 Y 0.1 O 3-δ Modifying Geometry and Electronic Structure of Ru for Ammonia Synthesis Reaction Under Mild Conditions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205424. [PMID: 36464649 DOI: 10.1002/smll.202205424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Green ammonia is an efficient, carbon-free energy carrier and storage medium. The ammonia synthesis using green hydrogen requires an active catalyst that operates under mild conditions. The catalytic activity can be promoted by controlling the geometry and electronic structure of the active species. An exsolution process is implemented to improve catalytic activity by modulating the geometry and electronic structure of Ru. Ru nanoparticles exsolved on a BaCe0.9 Y0.1 O3-δ support exhibit uniform size distribution, 5.03 ± 0.91 nm, and exhibited one of the highest activities, 387.31 mmolNH3 gRu -1 h-1 (0.1 MPa and 450 °C). The role of the exsolution and BaCe0.9 Y0.1 O3-δ support is studied by comparing the catalyst with control samples and in-depth characterizations. The optimal nanoparticle size is maintained during the reaction, as the Ru nanoparticles prepared by exsolution are well-anchored to the support with in-plane epitaxy. The electronic structure of Ru is modified by unexpected in situ Ba promoter accumulation around the base of the Ru nanoparticles.
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Affiliation(s)
- Hayoung Kim
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul, 02841, Republic of Korea
| | - Asif Jan
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Nanomaterials Science and Engineering, Korea University of Science and Technology (UST), KIST Campus, Seoul, 02792, Republic of Korea
| | - Deok-Hwang Kwon
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Ho-Il Ji
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Nanomaterials Science and Engineering, Korea University of Science and Technology (UST), KIST Campus, Seoul, 02792, Republic of Korea
| | - Kyung Joong Yoon
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Yonsei-KIST Convergence Research Institute, Seoul, 02792, Republic of Korea
| | - Jong-Ho Lee
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Nanomaterials Science and Engineering, Korea University of Science and Technology (UST), KIST Campus, Seoul, 02792, Republic of Korea
| | - Yongseok Jun
- Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul, 02841, Republic of Korea
| | - Ji-Won Son
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul, 02841, Republic of Korea
| | - Sungeun Yang
- Energy Materials Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Nanomaterials Science and Engineering, Korea University of Science and Technology (UST), KIST Campus, Seoul, 02792, Republic of Korea
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139
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Near ambient N2 fixation on solid electrodes versus enzymes and homogeneous catalysts. Nat Rev Chem 2023; 7:184-201. [PMID: 37117902 DOI: 10.1038/s41570-023-00462-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/31/2022] [Indexed: 02/04/2023]
Abstract
The Mo/Fe nitrogenase enzyme is unique in its ability to efficiently reduce dinitrogen to ammonia at atmospheric pressures and room temperature. Should an artificial electrolytic device achieve the same feat, it would revolutionize fertilizer production and even provide an energy-dense, truly carbon-free fuel. This Review provides a coherent comparison of recent progress made in dinitrogen fixation on solid electrodes, homogeneous catalysts and nitrogenases. Specific emphasis is placed on systems for which there is unequivocal evidence that dinitrogen reduction has taken place. By establishing the cross-cutting themes and synergies between these systems, we identify viable avenues for future research.
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140
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Deng S, Guo T, Heier J, Zhang C(J. Unraveling Polysulfide's Adsorption and Electrocatalytic Conversion on Metal Oxides for Li-S Batteries. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204930. [PMID: 36507567 PMCID: PMC9929279 DOI: 10.1002/advs.202204930] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/10/2022] [Indexed: 06/18/2023]
Abstract
Lithium sulfur (LiS) batteries possess high theoretical capacity and energy density, holding great promise for next generation electronics and electrical vehicles. However, the LiS batteries development is hindered by the shuttle effect and sluggish conversion kinetics of lithium polysulfides (LiPSs). Designing highly polar materials such as metal oxides (MOs) with moderate adsorption and effective catalytic activity is essential to overcome the above issues. To design efficient MOs catalysts, it is critical and necessary to understand the adsorption mechanism and associated catalytic processes of LiPSs. However, most reviews still lack a comprehensive investigation of the basic mechanism and always ignore their in-depth relationship. In this review, a systematic analysis toward understanding the underlying adsorption and catalytic mechanism in LiS chemistry as well as discussion of the typical works concerning MOs electrocatalysts are provided. Moreover, to improve the sluggish "adsorption-diffusion-conversion" process caused by the low conductive nature of MOs, oxygen vacancies and heterostructure engineering are elucidated as the two most effective strategies. The challenges and prospects of MOs electrocatalysts are also provided in the last section. The authors hope this review will provide instructive guidance to design effective catalyst materials and explore practical possibilities for the commercialization of LiS batteries.
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Affiliation(s)
- Shungui Deng
- College of Materials Science & EngineeringSichuan UniversityChengdu610065China
- Laboratory for Functional PolymersEmpaSwiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129DübendorfCH‐8600Switzerland
- Institute of Materials Science and EngineeringEcole Polytechnique Federale de Lausanne (EPFL)Station 12LausanneCH‐1015Switzerland
| | - Tiezhu Guo
- Laboratory for Functional PolymersEmpaSwiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129DübendorfCH‐8600Switzerland
- Key Laboratory of Multifunctional Materials and StructuresMinistry of EducationSchool of Electronic Science and EngineeringXi'an Jiaotong UniversityXi'anShaanxi710049China
| | - Jakob Heier
- Laboratory for Functional PolymersEmpaSwiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129DübendorfCH‐8600Switzerland
| | - Chuanfang (John) Zhang
- College of Materials Science & EngineeringSichuan UniversityChengdu610065China
- Laboratory for Functional PolymersEmpaSwiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129DübendorfCH‐8600Switzerland
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141
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Liu X, Liang J, Li Q. Design principle and synthetic approach of intermetallic Pt-M alloy oxygen reduction catalysts for fuel cells. CHINESE JOURNAL OF CATALYSIS 2023. [DOI: 10.1016/s1872-2067(22)64165-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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142
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Pedersen PD, Vegge T, Bligaard T, Hansen HA. Trends in CO 2 Reduction on Transition Metal Dichalcogenide Edges. ACS Catal 2023. [DOI: 10.1021/acscatal.2c04825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Pernille D. Pedersen
- Department of Energy Conversion and Storage, Technical University of Denmark, Lyngby, 2800, Denmark
| | - Tejs Vegge
- Department of Energy Conversion and Storage, Technical University of Denmark, Lyngby, 2800, Denmark
| | - Thomas Bligaard
- Department of Energy Conversion and Storage, Technical University of Denmark, Lyngby, 2800, Denmark
| | - Heine A. Hansen
- Department of Energy Conversion and Storage, Technical University of Denmark, Lyngby, 2800, Denmark
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143
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Wang J, Zhang B, Guo W, Wang L, Chen J, Pan H, Sun W. Toward Electrocatalytic Methanol Oxidation Reaction: Longstanding Debates and Emerging Catalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2211099. [PMID: 36706444 DOI: 10.1002/adma.202211099] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/23/2023] [Indexed: 05/30/2023]
Abstract
The study of direct methanol fuel cells (DMFCs) has lasted around 70 years, since the first investigation in the early 1950s. Though enormous effort has been devoted in this field, it is still far from commercialization. The methanol oxidation reaction (MOR), as a semi-reaction of DMFCs, is the bottleneck reaction that restricts the overall performance of DMFCs. To date, there has been intense debate on the complex six-electron reaction, but barely any reviews have systematically discussed this topic. To this end, the controversies and progress regarding the electrocatalytic mechanisms, performance evaluations as well as the design science toward MOR electrocatalysts are summarized. This review also provides a comprehensive introduction on the recent development of emerging MOR electrocatalysts with a focus on the innovation of the alloy, core-shell structure, heterostructure, and single-atom catalysts. Finally, perspectives on the future outlook toward study of the mechanisms and design of electrocatalysts are provided.
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Affiliation(s)
- Jianmei Wang
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Bingxing Zhang
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Wei Guo
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Lei Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Jian Chen
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Hongge Pan
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
- Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an, 710021, P. R. China
| | - Wenping Sun
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310058, P. R. China
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, P. R. China
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144
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Kato S, Hashimoto T, Iwase K, Harada T, Nakanishi S, Kamiya K. Selective and high-rate CO 2 electroreduction by metal-doped covalent triazine frameworks: a computational and experimental hybrid approach. Chem Sci 2023; 14:613-620. [PMID: 36741519 PMCID: PMC9847663 DOI: 10.1039/d2sc03754h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 12/13/2022] [Indexed: 12/15/2022] Open
Abstract
The electrochemical CO2 reduction reaction (CO2RR) has attracted intensive attention as a technology to achieve a carbon-neutral society. The use of gas diffusion electrodes (GDEs) enables the realization of high-rate CO2RRs, which is one of the critical requirements for social implementation. Although both a high reaction rate and good selectivity are simultaneously required for electrocatalysts on GDEs, no systematic study of the relationship among active metal centers in electrocatalysts, reaction rate, and selectivity under high-rate CO2RR conditions has been reported. In the present study, we employed various metal-doped covalent triazine frameworks (M-CTFs) as platforms for CO2 reduction reaction (CO2RR) electrocatalysts on GDEs and systematically investigated them to deduce sophisticated design principles using a combined computational and experimental approach. The Ni-CTF showed both high selectivity (faradaic efficiency (FE) > 98% at -0.5 to -0.9 V vs. reversible hydrogen electrode) and a high reaction rate (current density < -200 mA cm-2) for CO production. By contrast, the Sn-CTF exhibited selective formic acid production, and the FE and partial current density reached 85% and 150 mA cm-2, respectively. These results for the CO2RR activity and selectivity at high current density with respect to metal centers correspond well with predictions based on first-principles calculations. This work is the first demonstration of a clear relationship between the computational adsorption energy of intermediates depending on metal species and the experimental high-rate gaseous CO2RR.
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Affiliation(s)
- Shintaro Kato
- Research Center for Solar Energy Chemistry, Graduate School of Engineering Science, Osaka University1-3 MachikaneyamaToyonakaOsaka 560-8531Japan
| | - Takuya Hashimoto
- Research Center for Solar Energy Chemistry, Graduate School of Engineering Science, Osaka University1-3 MachikaneyamaToyonakaOsaka 560-8531Japan
| | - Kazuyuki Iwase
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University2-1-1 Katahira, Aoba-kuSendaiMiyagi 980-8577Japan
| | - Takashi Harada
- Research Center for Solar Energy Chemistry, Graduate School of Engineering Science, Osaka University1-3 MachikaneyamaToyonakaOsaka 560-8531Japan
| | - Shuji Nakanishi
- Research Center for Solar Energy Chemistry, Graduate School of Engineering Science, Osaka University1-3 MachikaneyamaToyonakaOsaka 560-8531Japan,Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka UniversitySuitaOsaka 565-0871Japan
| | - Kazuhide Kamiya
- Research Center for Solar Energy Chemistry, Graduate School of Engineering Science, Osaka University1-3 MachikaneyamaToyonakaOsaka 560-8531Japan,Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka UniversitySuitaOsaka 565-0871Japan
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145
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Computational Study on the Catalytic Performance of Single-Atom Catalysts Anchored on g-CN for Electrochemical Oxidation of Formic Acid. Catalysts 2023. [DOI: 10.3390/catal13010187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
The electrochemical formic acid oxidation reaction (FAOR) has attracted great attention due to its high volumetric energy density and high theoretical efficiency for future portable electronic applications, for which the development of highly efficient and low-cost electrocatalysts is of great significance. In this work, taking single-atom catalysts (SACs) supported on graphitic carbon nitrides (g-CN) as potential catalysts, their catalytic performance for the FAOR was systemically explored by means of density functional theory computations. Our results revealed that the strong hybridization with the unpaired lone electrons of N atoms in the g-CN substrate ensured the high stability of these anchored SACs and endowed them with excellent electrical conductivity. Based on the computed free energy changes of all possible elementary steps, we predicted that a highly efficient FAOR could be achieved on Ru/g-CN with a low limiting potential of −0.15 V along a direct pathway of HCOOH(aq) → HCOOH* → HCOO* → CO2* → CO2(g), in which the formation of HCOO* was identified as the potential-determining step, while the rate-determining step was located at the CO2* formation, with a moderate kinetic barrier of 0.89 eV. Remarkably, the moderate d-band center and polarized charge of the Ru active site caused the Ru/g-CN catalyst to exhibit an optimal binding strength with various reaction intermediates, explaining well its superior FAOR catalytic performance. Hence, the single Ru atom anchored on g-CN could be utilized as a promising SAC for the FAOR, which opens a new avenue to further develop novel catalysts for a sustainable FAOR in formic-acid-based fuel cells.
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146
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Liu F, Gao PF, Wu C, Yang S, Ding X. DFT-based Machine Learning for Ensemble Effect of Pd@Au Electrocatalysts on CO 2 Reduction Reaction. Chemphyschem 2023; 24:e202200642. [PMID: 36633526 DOI: 10.1002/cphc.202200642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 12/25/2022] [Accepted: 01/10/2023] [Indexed: 01/13/2023]
Abstract
The ensemble effect due to variation of Pd content in Pd-Au alloys have been widely investigated for several important reactions, including CO2 reduction reaction (CO2 RR), however, identifying the stable Pd arrangements on the alloyed surface and picking out the active sites are still challenging. Here we use a density functional theory (DFT) based machine-learning (ML) approach to efficiently find the low-energy configurations of Pd-Au(111) surface alloys and the potentially active sites for CO2 RR, fully covering the Pd content from 0 to 100 %. The ML model is actively learning process to improve the predicting accuracy for the configuration formation energy and to find the stable Pd-Au(111) alloyed surfaces, respectively. The local surface properties of adsorption sites are classified into two classes by the K-means clustering approach, which are closely related to the Pd content on Au surface. The classification is reflected in the variation of adsorption energy of CO and H: In the low Pd content range (0-60 %) the adsorption energies over the surface alloys can be tuned significantly, and in the medium Pd content (37-68 %), the catalytic activity of surface alloys for CO2 RR can be increased by increase the Pd content and attributed to the meta-stable active site over the surface. Thus, the active site-dependent reaction mechanism is elucidated based on the ensemble effect, which provides new physical insights to understand the surface-related properties of catalysts.
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Affiliation(s)
- Fuzhu Liu
- State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Peng-Fei Gao
- Northwest Institute of Nuclear Technology, Xi'an, 710024, China
| | - Chao Wu
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Shengchun Yang
- State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Xiangdong Ding
- State Key Laboratory for Mechanical Behavior of Materials, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
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147
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Park J, Kim HK, Park J, Kim B, Baik H, Baik MH, Lee K. Flattening bent Janus nanodiscs expands lattice parameters. Chem 2023. [DOI: 10.1016/j.chempr.2022.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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148
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Zeng W, Jiang Z, Gong X, Hu C, Luo X, Lei W, Yuan C. Atomic Magnetic Heating Effect Enhanced Hydrogen Evolution Reaction of Gd@MoS 2 Single-Atom Catalysts. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206155. [PMID: 36437043 DOI: 10.1002/smll.202206155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/14/2022] [Indexed: 06/16/2023]
Abstract
Atomic heating on single atoms (SAs) to maximize the catalytic efficiency of each active site would be a fascinating solution to break the bottleneck for the performance improvement of single-atom catalysts (SACs) but highly challenging task. Here, based on the Gd@MoS2 SACs synthesized by a facile laser molecular beam epitaxy method, high-frequency alternating magnetic field (AMF) technology is employed to induce atomic magnetic heating on Gd SAs that is meanwhile demonstrated to be the catalytic active center. Significant improvement in catalytic kinetics under AMF excitation (3.9 mT) is achieved, yielding a remarkable enhancement of hydrogen evolution reaction magnetothermal-current by ≈924%. Through theoretical calculations and spin-related electrochemical experiments, such promotion in catalyst activity can be attributed to spin flip (or canting) in Gd SAs leading to the atomic magnetic heating effect on catalytic active center. Together with the embodied high stability, the implement of AMF to the SAs field is demonstrated in this work, and the precisely atomic magnetic heating on specific SAs offers unprecedented thinking for further improvement of SACs performance in the future.
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Affiliation(s)
- Wei Zeng
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Zhenzhen Jiang
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Xunguo Gong
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Ce Hu
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Xingfang Luo
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
| | - Wen Lei
- Department of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Australia
| | - Cailei Yuan
- Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, Jiangxi, 330022, China
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149
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Tripathi A, Kawazoe Y, Thapa R. First-principles identification of CO oxidation via LH mechanism over ER mechanism on metal-boron centered single-metal dual site catalyst. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Zhuang S, Li B, Wang X. Engineering the electronic structure of high performance FeCo bimetallic cathode catalysts for microbial fuel cell application in treating wastewater. ENVIRONMENTAL RESEARCH 2023; 216:114542. [PMID: 36228689 DOI: 10.1016/j.envres.2022.114542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
The development of high-performance, strong-durability and low-cost cathode catalysts toward oxygen reduction reaction (ORR) is of great significance for microbial fuel cells (MFCs). In this study, a series of bimetallic catalysts were synthesized by pyrolyzing a mixture of g-C3N4 and Fe, Co-tannic complex with various Fe/Co atomic ratios. The initial Fe/Co atomic ratio (3.5:0.5, 3:1, 2:2, 1:3) could regulate the electronic state, which effectively promoted the intrinsic electrocatalytic ORR activity. The alloy metal particles and metal-Nx sites presented on the catalyst surface. In addition, N-doped carbon interconnected network consisting of graphene-like and bamboo-like carbon nanotube structure derived from g-C3N4 provided more accessible active sites. The resultant Fe3Co1 catalyst calcined at 700 °C (Fe3Co1-700) exhibited high catalytic performance in neutral electrolyte with a half-wave potential of 0.661 V, exceeding that of the commercial Pt/C (0.6 V). As expected, the single chamber microbial fuel cell (SCMFC) with 1 mg/cm2 loading of Fe3Co1-700 catalyst as the cathode catalyst afforded a maximum power density of 1425 mW/m2, which was 10.5% higher than commercial Pt/C catalyst with the same loading (1290 mW/m2) and comparable to the Pt/C catalyst with 2.5 times higher loading ( 1430 mW/m2). Additionally, the Fe3Co1-700 also displayed better long-term stability over 1100 h than the Pt/C. This work provides an effective strategy for regulating the surface electronic state in the bimetallic electro-catalyst.
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Affiliation(s)
- Shiguang Zhuang
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Baitao Li
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, China.
| | - Xiujun Wang
- Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, China.
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