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Ashok Patil S, Jagdale PB, Barman N, Iqbal A, Sfeir A, Royer S, Thapa R, Kumar Samal A, Saxena M. Ultrathin, large area β-Ni(OH) 2 crystalline nanosheet as bifunctional electrode material for charge storage and oxygen evolution reaction. J Colloid Interface Sci 2024; 674:587-602. [PMID: 38945026 DOI: 10.1016/j.jcis.2024.06.167] [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: 05/02/2024] [Revised: 06/19/2024] [Accepted: 06/23/2024] [Indexed: 07/02/2024]
Abstract
Bifunctional electrode materials are highly desirable for meeting increasing global energy demands and mitigating environmental impact. However, improving the atom-efficiency, scalability, and cost-effectiveness of storage systems, as well as optimizing conversion processes to enhance overall energy utilization and sustainability, remains a significant challenge for their application. Herein, we devised an optimized, facile, economic, and scalable synthesis of large area (cm2), ultrathin (∼2.9 ± 0.3 nm) electroactive nanosheet of β-Ni(OH)2, which acted as bifunctional electrode material for charge storage and oxygen evolution reaction (OER). The β-Ni(OH)2 nanosheet electrode shows the volumetric capacity of 2.82 Ah.cm-3(0.82 µAh.cm-2) at the current density of 0.2 mA.cm-2. The device shows a high capacity of 820 mAh.cm-3 with an ultrahigh volumetric energy density of 0.33 Wh.cm-3 at 275.86 W.cm-3 along with promising stability (30,000 cycles). Furthermore, the OER activity of ultrathin β-Ni(OH)2 exhibits an overpotential (η10) of 308 mV and a Tafel value of 42 mV dec-1 suggesting fast reaction kinetics. The mechanistic studies are enlightened through density functional theory (DFT), which reveals that additional electronic states near the Fermi level enhance activity for both capacitance and OER.
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Affiliation(s)
- Sayali Ashok Patil
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University), Jain Global Campus, Ramanagara, Bangalore 562112, India
| | - Pallavi B Jagdale
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University), Jain Global Campus, Ramanagara, Bangalore 562112, India
| | - Narad Barman
- Department of Physics, SRM University -AP, Andhra Pradesh 522 240, India
| | - Asif Iqbal
- Department of Physics, SRM University -AP, Andhra Pradesh 522 240, India
| | - Amanda Sfeir
- Université de Lille, CNRS, Centrale Lille, Université Artois, UMR 8181─UCCS─12 Unité de Catalyse et Chimie du Solide, Lille 59000, France
| | - Sébastien Royer
- Université de Lille, CNRS, Centrale Lille, Université Artois, UMR 8181─UCCS─12 Unité de Catalyse et Chimie du Solide, Lille 59000, France
| | - Ranjit Thapa
- Department of Physics, SRM University -AP, Andhra Pradesh 522 240, India
| | - Akshaya Kumar Samal
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University), Jain Global Campus, Ramanagara, Bangalore 562112, India
| | - Manav Saxena
- Centre for Nano and Material Sciences, Jain (Deemed-to-be University), Jain Global Campus, Ramanagara, Bangalore 562112, India.
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Miao L, Jia W, Cao X, Jiao L. Computational chemistry for water-splitting electrocatalysis. Chem Soc Rev 2024; 53:2771-2807. [PMID: 38344774 DOI: 10.1039/d2cs01068b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Electrocatalytic water splitting driven by renewable electricity has attracted great interest in recent years for producing hydrogen with high-purity. However, the practical applications of this technology are limited by the development of electrocatalysts with high activity, low cost, and long durability. In the search for new electrocatalysts, computational chemistry has made outstanding contributions by providing fundamental laws that govern the electron behavior and enabling predictions of electrocatalyst performance. This review delves into theoretical studies on electrochemical water-splitting processes. Firstly, we introduce the fundamentals of electrochemical water electrolysis and subsequently discuss the current advancements in computational methods and models for electrocatalytic water splitting. Additionally, a comprehensive overview of benchmark descriptors is provided to aid in understanding intrinsic catalytic performance for water-splitting electrocatalysts. Finally, we critically evaluate the remaining challenges within this field.
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Affiliation(s)
- Licheng Miao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
| | - Wenqi Jia
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
| | - Xuejie Cao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
| | - Lifang Jiao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China.
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Sk S, Jamma A, Gavali DS, Bhasin V, Ghosh R, Sudarshan K, Thapa R, Pal U. Modulated Ultrathin NiCo-LDH Nanosheet-Decorated Zr 3+-Rich Defective NH 2-UiO-66 Nanostructure for Efficient Photocatalytic Hydrogen Evolution. ACS APPLIED MATERIALS & INTERFACES 2023; 15:55822-55836. [PMID: 37994833 DOI: 10.1021/acsami.3c13009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Defect engineering through modification of their surface linkage is found to be an effective pathway to escalate the solar energy conversion efficiency of metal-organic frameworks (MOFs). Herein, defect engineering using controlled decarboxylation on the NH2-UiO-66 surface and integration of ultrathin NiCo-LDH nanosheets synergizes the hydrogen evolution reaction (HER) under a broad visible light regime. Diversified analytical methods including positron annihilation lifetime spectroscopy were employed to investigate the role of Zr3+-rich defects by analyzing the annihilation characteristics of positrons in NH2-UiO-66, which provides a deep insight into the effects of structural defects on the electronic properties. The progressively tuned photophysical properties of the NiCo-LDH@NH2-UiO-66-D-heterostructured nanocatalyst led to an impressive rate of HER (∼2458 μmol h-1 g-1), with an apparent quantum yield of ∼6.02%. The ultrathin NiCo-LDH nanosheet structure was found to be highly favored toward electrostatic self-assembly in the heterostructure for efficient charge separation. Coordination of Zr3+ on the surface of the NiCo-LDH nanosheet support through NH2-UiO-66 was confirmed by X-ray absorption spectroscopy and electron paramagnetic resonance spectroscopy techniques. Femtosecond transient absorption spectroscopy studies unveiled a photoexcited charge migration process from MOF to NiCo-LDH which favorably occurred on a picosecond time scale to boost the catalytic activity of the composite system. Furthermore, the experimental finding and HER activity are validated by density functional theory studies and evaluation of the free energy pathway which reveals the strong hydrogen binding over the surface and infers the anchoring effect of the ultrathin layered double hydroxide (LDH) in the vicinity of the Zr cluster with a strong host-guest interaction. This work provided a novel insight into efficient photocatalysis via defect engineering at the linker modulation in MOFs.
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Affiliation(s)
- Saddam Sk
- Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Aparna Jamma
- Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Deepak S Gavali
- Department of Physics, SRM University AP, Amaravati 522240, Andhra Pradesh, India
| | - Vidha Bhasin
- Atomic and Molecular Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Rajib Ghosh
- Radiation and Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Kathi Sudarshan
- Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Ranjit Thapa
- Department of Physics, SRM University AP, Amaravati 522240, Andhra Pradesh, India
| | - Ujjwal Pal
- Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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4
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Rajkamal A, Kim H. Theoretical verification on adsorptive removal of caffeine by carbon and nitrogen-based surfaces: Role of charge transfer, π electron occupancy, and temperature. CHEMOSPHERE 2023; 339:139667. [PMID: 37516324 DOI: 10.1016/j.chemosphere.2023.139667] [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: 04/21/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 07/31/2023]
Abstract
Eliminating an emerging water pollutant, caffeine molecules, from an aqueous solution using carbon and nitrogen-based adsorbents is of significant interest to public health. These adsorbents have been shown to have decent adsorption capacity toward caffeine due to their surface functionality. Therefore, screening various carbon and nitrogen-based surfaces can be a better option for high-performance adsorbents to remove caffeine efficiently from wastewater. Herein, we present combined first principles and molecular dynamics quantification of the adsorption enthalpies of caffeine molecules on the possible active sites of carbon and nitrogen-based adsorbents (graphene, phagraphene, graphdiyne, single-wall carbon nanotube, fullerene, and graphitic carbon nitride) with the incorporation of Van der Waals interactions. From the DFT calculations, N-doped carbon surfaces show the highest adsorption energies of single and dimer CAF compared to pristine carbon-based adsorbents. A charge density difference and Bader charge analysis display that high charge transfer occurs between the caffeine's oxygen and the surface's nitrogen atoms. An abundance of π-electrons from the nitrogen atoms, composed of large electron clouds of aromatic rings on the graphitic carbon surface, tends to favor extensive π-π interactions with the caffeine molecule. The high value of pz electron occupancy (1.445) of N in the hexagonal ring of the graphitic surface transfers additional charge transfer, which leads to strong adsorption energy of CAF than pristine surfaces. Also, the g-C3N4 surface adsorbs the CAF molecule with higher adsorption than other N-doped carbon surfaces due to the high pz_eo (1.5448) of N atoms on the surface. At 310 K, the water molecules' kinetics aids the single and dimer caffeine molecules to adsorb with the highest adsorption energies on the active sites of g-C3N4 surfaces than graphene adsorbent.
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Affiliation(s)
- Anand Rajkamal
- Department of Energy Science and Technology, Environmental Waste Recycle Institute, Myongji University, Yongin, Gyeonggi-do 17058, Republic of Korea
| | - Hern Kim
- Department of Energy Science and Technology, Environmental Waste Recycle Institute, Myongji University, Yongin, Gyeonggi-do 17058, Republic of Korea.
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Zhou Y, Luo X. Characteristics of the Frustrated Lewis Pairs (FLPs) on the Surface of Albite and the Corresponding Mechanism of H 2 Activation. ChemistryOpen 2023; 12:e202300058. [PMID: 37803405 PMCID: PMC10558424 DOI: 10.1002/open.202300058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/28/2023] [Indexed: 10/08/2023] Open
Abstract
The characteristics of frustrated Lewis pairs (FLPs) on albite surfaces were analyzed with density functional theory, and the reaction mechanism for H2 activation by the FLPs was studied. The results show that albite is an ideal substrate material with FLPs, and its (001) and (010) surfaces have the typical characteristics of FLPs. In the case of H2 activation, the interaction between the HOMO of H2 and the SOMO of the Lewis base and the electron acceptance characteristics of the Lewis acid are the key factors. In fact, the activation energy of H2 is the required activation energy from the ground state to the excited state, and once the excited state is produced, the dissociative adsorption of H2 will occur directly. This study provides a new ideas and a reference for research on the construction of novel solid FLPs catalysts using ultramicro channel materials.
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Affiliation(s)
- Yannan Zhou
- Research Center of Laser FusionChina Academy of Engineering PhysicsMianyangSichuan621900P. R. China
- Institute of Salt LakesChinese Academy of ScienceXiningQinghai810008P. R. China
| | - Xuegang Luo
- Research Center of Laser FusionChina Academy of Engineering PhysicsMianyangSichuan621900P. R. China
- Engineering Research Center of Biomass Materials Ministry of EducationMianyangSichuan621010P. R. China
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6
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Zhai Q, Xia Z, Dai L. Unifying the origin of catalytic activities for carbon-based metal-free electrocatalysts. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.114129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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7
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Dutta S, Banerjee P, Pati SK. Computational Insight into TM-N x Embedded Graphene Bifunctional Electrocatalysts for Oxygen Evolution and Reduction Reactions. ACS PHYSICAL CHEMISTRY AU 2022; 2:305-315. [PMID: 36855422 PMCID: PMC9955129 DOI: 10.1021/acsphyschemau.2c00003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Due to the energy crisis, development of bifunctional electrocatalysts for both oxygen evolution and reduction reactions is highly demanding. In this study, we have systematically investigated the bifunctional activity of metal (Co/Rh/Ir) and N co-doped graphene systems with varying N-dopant concentrations (TM-N x @G, x = 0, 2, 4) using first-principles calculations. Charge transfer from the metal sites to the adsorbed intermediates and the adsorption free energy of the intermediates play important roles to help understand the potential-determining step and overpotential values for oxygen evolution reaction (OER)/oxygen reduction reaction (ORR). A dual volcano plot for all the systems using a common descriptor ΔG OH* has been constructed. We find that the systems having ΔG OH* values in the range of 0.40-0.70 eV can act as bifunctional electrocatalysts. Our study not only highlights the importance of metal and non-metal co-doped graphene as bifunctional catalysts but also can serve as a promising strategy for the design of efficient OER/ORR electrocatalysts.
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8
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Østrøm I, Hossain MA, Burr PA, Hart JN, Hoex B. Designing 3d metal oxides: selecting optimal density functionals for strongly correlated materials. Phys Chem Chem Phys 2022; 24:14119-14139. [PMID: 35593423 DOI: 10.1039/d2cp01303g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Transition metal oxides (TMOs) have remarkable physicochemical properties, are non-toxic, and have low cost and high annual production, thus they are commonly studied for various technological applications. Density functional theory (DFT) can help to optimize TMO materials by providing insights into their electronic, optical and thermodynamic properties, and hence into their structure-performance relationships, over a wide range of solid-state structures and compositions. However, this is underpinned by the choice of the exchange-correlation (XC) functional, which is critical to accurately describe the highly localized and correlated 3d-electrons of the transition metals in TMOs. This tutorial review presents a benchmark study of density functionals (DFs), ranging from generalized gradient approximation (GGA) to range-separated hybrids (RSH), with the all-electron def2-TZVP basis set, comparing magneto-electro-optical properties of 3d TMOs against experimental observations. The performance of the DFs is assessed by analyzing the band structure, density of states, magnetic moment, structural static and dynamic parameters, optical properties, spin contamination and computational cost. The results disclose the strengths and weaknesses of the XC functionals, in terms of accuracy, and computational efficiency, suggesting the unprecedented PBE0-1/5 as the best candidate. The findings of this work contribute to necessary developments of XC functionals for periodic systems, and materials science modelling studies, particularly informing how to select the optimal XC functional to obtain the most trustworthy description of the ground-state electron structure of 3d TMOs.
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Affiliation(s)
- Ina Østrøm
- School of Photovoltaic and Renewable Energy Engineering, UNSW, Kensington, NSW 2052, Australia.
| | - Md Anower Hossain
- School of Photovoltaic and Renewable Energy Engineering, UNSW, Kensington, NSW 2052, Australia.
| | - Patrick A Burr
- School of Mechanical and Manufacturing Engineering, UNSW, Kensington, NSW 2052, Australia
| | - Judy N Hart
- School of Materials Science & Engineering, UNSW, Kensington, NSW 2052, Australia
| | - Bram Hoex
- School of Photovoltaic and Renewable Energy Engineering, UNSW, Kensington, NSW 2052, Australia.
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9
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Sarkar S, Biswas A, Siddharthan EE, Thapa R, Dey RS. Strategic Modulation of Target-Specific Isolated Fe,Co Single-Atom Active Sites for Oxygen Electrocatalysis Impacting High Power Zn-Air Battery. ACS NANO 2022; 16:7890-7903. [PMID: 35436090 DOI: 10.1021/acsnano.2c00547] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
An effective modulation of the active sites in a bifunctional electrocatalyst is essentially desired, and it is a challenge to outperform the state-of-the-art catalysts toward oxygen electrocatalysis. Herein, we report the development of a bifunctional electrocatalyst having target-specific Fe-N4/C and Co-N4/C isolated active sites, exhibiting a symbiotic effect on overall oxygen electrocatalysis performances. The dualism of N-dopants and binary metals lower the d-band centers of both Fe and Co in the Fe,Co,N-C catalyst, improving the overpotential of the overall electrocatalytic processes (ΔEORR-OER = 0.74 ± 0.02 V vs RHE). Finally, the Fe,Co,N-C showed a high areal power density of 198.4 mW cm-2 and 158 mW cm-2 in the respective liquid and solid-state Zn-air batteries (ZABs), demonstrating suitable candidature of the active material as air cathode material in ZABs.
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Affiliation(s)
- Subhajit Sarkar
- Institute of Nano Science and Technology (INST), Sector-81, Mohali-140306, Punjab, India
| | - Ashmita Biswas
- Institute of Nano Science and Technology (INST), Sector-81, Mohali-140306, Punjab, India
| | | | - Ranjit Thapa
- Department of Physics, SRM University, Andhra Pradesh 522240, India
| | - Ramendra Sundar Dey
- Institute of Nano Science and Technology (INST), Sector-81, Mohali-140306, Punjab, India
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Kong F, Cui X, Huang Y, Yao H, Chen Y, Tian H, Meng G, Chen C, Chang Z, Shi J. N-Doped Carbon Electrocatalyst: Marked ORR Activity in Acidic Media without the Contribution from Metal Sites? Angew Chem Int Ed Engl 2022; 61:e202116290. [PMID: 35075773 DOI: 10.1002/anie.202116290] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Indexed: 12/14/2022]
Abstract
Fe-N-C electrocatalysts have been demonstrated to be the most promising substitutes for benchmark Pt/C catalysts for the oxygen reduction reaction (ORR). Herein, we report that N-doped carbon materials with trace amounts of iron (0-0.08 wt. %) show excellent ORR activity and durability comparable and even superior to those of Pt/C in both alkaline and acidic media without significant contribution by the metal sites. Such an N-doped carbon (denoted as N-HPCs) features a hollow and hierarchically porous architecture, and more importantly, a noncovalently bonded N-deficient/N-rich heterostructure providing the active sites for oxygen adsorption and activation owing to the efficient electron transfer between the layers. The primary Zn-air battery using N-HPCs as the cathode delivers a much higher power density of 158 mW cm-2 , and the maximum power density in the H2 -O2 fuel cell reaches 486 mW cm-2 , which is comparable to and even better than those using conventional Fe-N-C catalysts at cathodes.
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Affiliation(s)
- Fantao Kong
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
| | - Xiangzhi Cui
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310021, P. R. China
| | - Yifan Huang
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, P. R. China
| | - Heliang Yao
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
| | - Yafeng Chen
- Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Han Tian
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
| | - Ge Meng
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chang Chen
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ziwei Chang
- School of Physical Science and Technology, Shanghai Tech University, Shanghai, 201210, P. R. China
| | - Jianlin Shi
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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11
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Kong F, Cui X, Huang Y, Yao H, Chen Y, Tian H, Meng G, Chen C, Chang Z, Shi J. N‐doped carbon electrocatalyst: marked ORR activity in acidic media without the contribution by metal sites? Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fantao Kong
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Lab of High Performance Ceramics and Superfine Microstructure 1295 Dingxi Road shanghai CHINA
| | - Xiangzhi Cui
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Lab of High Performance Ceramics and Superfine Microstructure 1295 Dingxi Road shanghai CHINA
| | - Yifan Huang
- Shanghai Normal University College of Chemistry and Materials Science 100 Guilin Road shanghai CHINA
| | - Heliang Yao
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Lab of High Performance Ceramics and Superfine Microstructure 1295 Dingxi Road shanghai CHINA
| | - Yafeng Chen
- University of Science and Technology Beijing Collaborative Innovation Center of Steel Technology 30 Xueyuan Road Beijing CHINA
| | - Han Tian
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Lab of High Performance Ceramics and Superfine Microstructure 1295 Dingxi Road shanghai CHINA
| | - Ge Meng
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Lab of High Performance Ceramics and Superfine Microstructure 1295 Dingxi Road shanghai CHINA
| | - Chang Chen
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Lab of High Performance Ceramics and Superfine Microstructure 1295 Dingxi Road shanghai CHINA
| | - Ziwei Chang
- ShanghaiTech University School of Physical Science and Technology 393 Huaxia Middle Road shanghai CHINA
| | - Jianlin Shi
- Shanghai Institute of Ceramics Chinese Academy of Sciences State Key Laboratory of High Performance Ceramics and Superfine Microstructure 1295 Ding-Xi Road 200050 Shanghai CHINA
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12
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Wang B, Zhang F. Main Descriptors To Correlate Structures with the Performances of Electrocatalysts. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Bin Wang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Dalian Institute of Chemical Physics Chinese Academy of Sciences 457# Zhongshan Road Dalian 116023 Liaoning China
- Center for Advanced Materials Research School of Materials and Chemical Engineering Zhongyuan University of Technology 41# Zhongyuan Road Zhengzhou 450007 Henan China
| | - Fuxiang Zhang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Dalian Institute of Chemical Physics Chinese Academy of Sciences 457# Zhongshan Road Dalian 116023 Liaoning China
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13
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Kapse S, Narasimhan S, Thapa R. Descriptors and graphical construction for in silico design of efficient and selective single atom catalysts for the eNRR. Chem Sci 2022; 13:10003-10010. [PMID: 36128233 PMCID: PMC9430735 DOI: 10.1039/d2sc02625b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 08/05/2022] [Indexed: 11/21/2022] Open
Abstract
Outline a screening protocol that uses density functional theory calculations to simultaneously optimize with respect to multiple criteria, thereby successfully identifying catalysts that are highly selective and also result in low overpotentials for ammonia production through eNRR.
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Affiliation(s)
- Samadhan Kapse
- Department of Physics, SRM University – AP, Amaravati 522 240, Andhra Pradesh, India
| | - Shobhana Narasimhan
- Theoretical Sciences Unit and School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560 064, Karnataka, India
| | - Ranjit Thapa
- Department of Physics, SRM University – AP, Amaravati 522 240, Andhra Pradesh, India
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14
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Ramachandra SK, Nagaraju DH, Marappa S, Kapse S, Thapa R. Highly efficient catalysts of ruthenium clusters on Fe 3O 4/MWCNTs for the hydrogen evolution reaction. NEW J CHEM 2022. [DOI: 10.1039/d2nj00887d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Anchoring of Ru onto the Fe3O4/MWCNTs composite, its HER mechanism and DFT calculated change in Gibbs free energy of adsorbed hydrogen are described.
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Affiliation(s)
| | | | - Shivanna Marappa
- Department of Chemistry, School of Applied Sciences, REVA University, Bangalore, 560064, Karnataka, India
| | - Samadhan Kapse
- Department of Physics, SRM University – AP, Amaravati 522240, Andhra Pradesh, India
| | - Ranjit Thapa
- Department of Physics, SRM University – AP, Amaravati 522240, Andhra Pradesh, India
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15
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Joseph T, Ghorbani-Asl M, Batzill M, Krasheninnikov AV. Water dissociation and association on mirror twin boundaries in two-dimensional MoSe 2: insights from density functional theory calculations. NANOSCALE ADVANCES 2021; 3:6992-7001. [PMID: 36132369 PMCID: PMC9419107 DOI: 10.1039/d1na00429h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 10/21/2021] [Indexed: 06/07/2023]
Abstract
The adsorption and dissociation of water molecules on two-dimensional transition metal dichalcogenides (TMDs) is expected to be dominated by point defects, such as vacancies, and edges. At the same time, the role of grain boundaries, and particularly, mirror twinboundaries (MTBs), whose concentration in TMDs can be quite high, is not fully understood. Using density functional theory calculations, we investigate the interaction of water, hydroxyl groups, as well as oxygen and hydrogen molecules with MoSe2 monolayers when MTBs of various types are present. We show that the adsorption of all species on MTBs is energetically favorable as compared to that on the basal plane of pristine MoSe2, but the interaction with Se vacancies is stronger. We further assess the energetics of various surface chemical reactions involving oxygen and hydrogen atoms. Our results indicate that water dissociation on the basal plane should be dominated by vacancies even when MTBs are present, but they facilitate water clustering through hydroxyl groups at MTBs, which can anchor water molecules and give rise to the decoration of MTBs with water clusters. Also, the presence of MTBs affects oxygen reduction reaction (ORR) on the MoSe2 monolayer. Unlike Se vacancies which inhibit ORR due to a high overpotential, it is found that the ORR process on MTBs is more efficient, indicating their important role in the catalytic activity of MoSe2 monolayer and likely other TMDs.
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Affiliation(s)
- T Joseph
- Institute of Ion Beam Physics and Materials Research Helmholtz-Zentrum Dresden-Rossendorf 01328 Dresden Germany
| | - M Ghorbani-Asl
- Department of Physics, University of South Florida Tampa FL 33620 USA
| | - M Batzill
- Department of Applied Physics, Aalto University P.O. Box 11100 00076 Aalto Finland
| | - Arkady V Krasheninnikov
- Institute of Ion Beam Physics and Materials Research Helmholtz-Zentrum Dresden-Rossendorf 01328 Dresden Germany
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16
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Ruidas S, Mohanty B, Bhanja P, Erakulan ES, Thapa R, Das P, Chowdhury A, Mandal SK, Jena BK, Bhaumik A. Metal-Free Triazine-Based 2D Covalent Organic Framework for Efficient H 2 Evolution by Electrochemical Water Splitting. CHEMSUSCHEM 2021; 14:5057-5064. [PMID: 34532998 DOI: 10.1002/cssc.202101663] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/16/2021] [Indexed: 05/27/2023]
Abstract
Hydrogen evolution reaction (HER) by electrochemical water splitting is one of the most active areas of energy research, yet the benchmark electrocatalysts used for this reaction are based on expensive noble metals. This is a major bottleneck for their large-scale operation. Thus, development of efficient metal-free electrocatalysts is of paramount importance for sustainable and economical production of the renewable fuel hydrogen by water splitting. Covalent organic frameworks (COFs) show much promise for this application by virtue of their architectural stability, nanoporosity, abundant active sites located periodically throughout the framework, and high electronic conductivity due to extended π-delocalization. This study concerns a new COF material, C6 -TRZ-TFP, which is synthesized by solvothermal polycondensation of 2-hydroxybenzene-1,3,5-tricarbaldehyde (TFP) and 4,4',4''-(1,3,5-triazine-2,4,6-triyl)tris[(1,1'-biphenyl)-4-amine]. C6 -TRZ-TFP displayed excellent HER activity in electrochemical water splitting, with a very low overpotential of 200 mV and specific activity of 0.2831 mA cm-2 together with high retention of catalytic activity after a long duration of electrocatalysis in 0.5 m aqueous H2 SO4 . Density functional theory calculations suggest that the electron-deficient carbon sites near the π electron-donating nitrogen atoms are more active towards HER than those near the electron-withdrawing nitrogen and oxygen atoms.
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Affiliation(s)
- Santu Ruidas
- School of Materials Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Bishnupad Mohanty
- Material Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, 751013, India
| | - Piyali Bhanja
- Material Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, 751013, India
| | - E S Erakulan
- Department of Physics, SRM University, Amaravati, 522 502, Andhra Pradesh, India
| | - Ranjit Thapa
- Department of Physics, SRM University, Amaravati, 522 502, Andhra Pradesh, India
| | - Prasenjit Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, Manuali PO, S.A.S. Nagar, Mohali, Punjab, 140306, India
| | - Avik Chowdhury
- School of Materials Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Sanjay K Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, Manuali PO, S.A.S. Nagar, Mohali, Punjab, 140306, India
| | - Bikash Kumar Jena
- Material Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, 751013, India
| | - Asim Bhaumik
- School of Materials Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
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17
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Kirchhoff B, Ivanov A, Skúlason E, Jacob T, Fantauzzi D, Jónsson H. Assessment of the Accuracy of Density Functionals for Calculating Oxygen Reduction Reaction on Nitrogen-Doped Graphene. J Chem Theory Comput 2021; 17:6405-6415. [PMID: 34550689 DOI: 10.1021/acs.jctc.1c00377] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Experimental studies of the oxygen reduction reaction (ORR) at nitrogen-doped graphene electrodes have reported a remarkably low overpotential, on the order of 0.5 V, similar to Pt-based electrodes. Theoretical calculations using density functional theory have lent support to this claim. However, other measurements have indicated that transition metal impurities are actually responsible for the ORR activity, thereby raising questions about the reliability of both the experiments and the calculations. To assess the accuracy of the theoretical calculations, various generalized gradient approximation (GGA), meta-GGA, and hybrid functionals are employed here and calibrated against high-level wave-function-based coupled-cluster calculations (CCSD(T)) of the overpotential as well as self-interaction corrected density functional calculations and published quantum Monte Carlo calculations of O adatom binding to graphene. The PBE0 and HSE06 hybrid functionals are found to give more accurate results than the GGA and meta-GGA functionals, as would be expected, and for a low dopant concentration, 3.1%, the overpotential is calculated to be 1.0 V. The GGA and meta-GGA functionals give a lower estimate by as much as 0.4 V. When the dopant concentration is doubled, the overpotential calculated with hybrid functionals decreases, while it increases in GGA functional calculations. The opposite trends result from different potential-determining steps, the *OOH species being of central importance in the hybrid functional calculations, while the reduction of *O determines the overpotential obtained in GGA and meta-GGA calculations. The results presented here are mainly based on calculations of periodic representations of the system, but a comparison is also made with molecular flake models that are found to give erratic results due to finite size effects and geometric distortions during energy minimization. The presence of the electrolyte has not been taken into account explicitly in the calculations presented here but is estimated to be important for definitive calculations of the overpotential.
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Affiliation(s)
- Björn Kirchhoff
- Science Institute and Faculty of Physical Sciences, University of Iceland, VR-III, Hjar∂arhagi 2, 107 Reykjavík, Iceland.,Institute of Electrochemistry, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, Germany
| | - Aleksei Ivanov
- Science Institute and Faculty of Physical Sciences, University of Iceland, VR-III, Hjar∂arhagi 2, 107 Reykjavík, Iceland
| | - Egill Skúlason
- Science Institute and Faculty of Industrial Engineering, Mechanical Engineering and Computer Science, University of Iceland, Hjar∂arhagi 2, 107 Reykjavík, Iceland
| | - Timo Jacob
- Institute of Electrochemistry, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, Germany.,Helmholtz-Institute Ulm (HIU) Electrochemical Energy Storage, Helmholtz-Straβe 16, 89081 Ulm, Germany.,Karlsruhe Institute of Technology (KIT), P.O. Box 3640, 76021 Karlsruhe, Germany
| | - Donato Fantauzzi
- Science Institute and Faculty of Physical Sciences, University of Iceland, VR-III, Hjar∂arhagi 2, 107 Reykjavík, Iceland
| | - Hannes Jónsson
- Science Institute and Faculty of Physical Sciences, University of Iceland, VR-III, Hjar∂arhagi 2, 107 Reykjavík, Iceland
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18
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Wang B, Zhang F. Main Descriptors To Correlate Structures with the Performances of Electrocatalysts. Angew Chem Int Ed Engl 2021; 61:e202111026. [PMID: 34587345 DOI: 10.1002/anie.202111026] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/27/2021] [Indexed: 01/05/2023]
Abstract
Traditional trial and error approaches to search for hydrogen/oxygen redox catalysts with high activity and stability are typically tedious and inefficient. There is an urgent need to identify the most important parameters that determine the catalytic performance and so enable the development of design strategies for catalysts. In the past decades, several descriptors have been developed to unravel structure-performance relationships. This Minireview summarizes reactivity descriptors in electrocatalysis including adsorption energy descriptors involving reaction intermediates, electronic descriptors represented by a d-band center, structural descriptors, and universal descriptors, and discusses their merits/limitations. Understanding the trends in electrocatalytic performance and predicting promising catalytic materials using reactivity descriptors should enable the rational construction of catalysts. Artificial intelligence and machine learning have also been adopted to discover new and advanced descriptors. Finally, linear scaling relationships are analyzed and several strategies proposed to circumvent the established scaling relationships and overcome the constraints imposed on the catalytic performance.
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Affiliation(s)
- Bin Wang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457# Zhongshan Road, Dalian 116023, Liaoning, China.,Center for Advanced Materials Research, School of Materials and Chemical Engineering, Zhongyuan University of Technology, 41# Zhongyuan Road, Zhengzhou, 450007, Henan, China
| | - Fuxiang Zhang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457# Zhongshan Road, Dalian 116023, Liaoning, China
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19
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Abstract
Given the importance of catalysts in the chemical industry, they have been extensively investigated by experimental and numerical methods. With the development of computational algorithms and computer hardware, large-scale simulations have enabled influential studies with more atomic details reflecting microscopic mechanisms. This review provides a comprehensive summary of recent developments in molecular dynamics, including ab initio molecular dynamics and reaction force-field molecular dynamics. Recent research on both approaches to catalyst calculations is reviewed, including growth, dehydrogenation, hydrogenation, oxidation reactions, bias, and recombination of carbon materials that can guide catalyst calculations. Machine learning has attracted increasing interest in recent years, and its combination with the field of catalysts has inspired promising development approaches. Its applications in machine learning potential, catalyst design, performance prediction, structure optimization, and classification have been summarized in detail. This review hopes to shed light and perspective on ML approaches in catalysts.
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20
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Stable and boosted oxygen evolution efficiency of mixed metal oxide and borate planner heterostructure over heteroatom (N) doped electrochemically exfoliated graphite foam. Catal Today 2021. [DOI: 10.1016/j.cattod.2021.01.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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Wang M, Zhu H. Machine Learning for Transition-Metal-Based Hydrogen Generation Electrocatalysts. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00178] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Min Wang
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
| | - Hongwei Zhu
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
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22
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Hao Y, Xu LC, Pu J, Wang L, Huang LF. Stable zigzag edges of transition-metal dichalcogenides with high catalytic activity for oxygen reduction. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.135865] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Yang K, Zaffran J, Yang B. Fast prediction of oxygen reduction reaction activity on carbon nanotubes with a localized geometric descriptor. Phys Chem Chem Phys 2020; 22:890-895. [DOI: 10.1039/c9cp04885e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By using the pyramidalization angle as a localized geometric descriptor for oxygen reduction reaction (ORR) activity of carbon nanotubes (CNTs), we show the ORR activity of these systems can be readily predicted with mere structural optimization of CNTs.
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Affiliation(s)
- Kunran Yang
- School of Physical Science and Technology
- ShanghaiTech University
- Shanghai 201210
- China
| | - Jeremie Zaffran
- School of Physical Science and Technology
- ShanghaiTech University
- Shanghai 201210
- China
| | - Bo Yang
- School of Physical Science and Technology
- ShanghaiTech University
- Shanghai 201210
- China
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24
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Hao Y, Gong PL, Xu LC, Pu J, Wang L, Huang LF. Contrasting Oxygen Reduction Reactions on Zero- and One-Dimensional Defects of MoS 2 for Versatile Applications. ACS APPLIED MATERIALS & INTERFACES 2019; 11:46327-46336. [PMID: 31718125 DOI: 10.1021/acsami.9b14502] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Oxygen reduction reaction (ORR) is a key microscopic process in many electrochemical applications of materials, where the requirements of their ORR performances may vary strikingly, for example, during the uses of MoS2 as an electrocatalyst and anticorrosion/lubricating coating in aqueous/humid environments, ORR should be activated and inhibited, respectively. To reveal a complete ORR profile of MoS2, using first-principles calculations, we examine the stabilities of various possible zero-dimensional point defects on the surface and one-dimensional edge defects and comprehensively explore the ORR activities on pristine MoS2 surface and those defects in acid/alkaline solutions. It is found that the ORRs on the pristine surface and surfaces with point defects always require large overpotentials (>1.0 V), indicating a defect-immune resistance of the planar MoS2 surface against the ORR. However, the ORR overpotentials on edge defects can reach as low as 0.66 V, corresponding to a relatively high activity close to that of the prototypical catalyst Pt (overpotential ∼0.45 V). Such contrasting ORR behaviors of point and edge defects are also understood in depth by analyzing the underlying thermodynamic and electronic-structure mechanisms. This work not only quantitatively explains the performances of MoS2 in both galvanic corrosion and electrochemical catalysis but also provides a useful structure-ORR map that can facilitate adapting the realistic MoS2 to versatile electrochemical applications.
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Affiliation(s)
- Yu Hao
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201 , China
| | - Peng-Lai Gong
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201 , China
- Department of Physics , Southern University of Science and Technology , Shenzhen 518000 , China
| | | | - Jibin Pu
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201 , China
| | - Liping Wang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201 , China
| | - Liang-Feng Huang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo 315201 , China
- Department of Materials Science and Engineering , Northwestern University , Evanston , Illinois 60208 , United States
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25
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Gíslason PM, Skúlason E. Catalytic trends of nitrogen doped carbon nanotubes for oxygen reduction reaction. NANOSCALE 2019; 11:18683-18690. [PMID: 31588951 DOI: 10.1039/c9nr03195b] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Replacing the state-of-the-art fuel cell catalyst platinum for a cheaper and abundant alternative would make the hydrogen economy viable. Both nitrogen-doped graphene and nitrogen-doped carbon nanotubes (N-CNT) have been shown to be capable of acting as a metal-free catalyst for the oxygen reduction reaction (ORR). Until now, most of the research has been focused on the nitrogen doping and less on the structure of the nanotubes. Here, density functional theory calculations are used to calculate trends in ORR catalytic activity of graphitic-N-doped CNTs of different sizes and chirality of selected tubes between (4,0) and (20,10). This includes 13 armchair tubes, 17 zig-zag tubes and 42 chiral tubes, or 72 N-CNTs in total. 22 tubes are predicted to have a lower overpotential than the platinum catalyst and 46 tubes have lower overpotential than nitrogen doped graphene. The most active tubes are (14,7), (12,6), and (8,8), and display an overpotential of around 0.35 V, or 0.1 V lower overpotential than predicted on Pt(111) with the same level of theory.
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Affiliation(s)
| | - Egill Skúlason
- Science Institute and Faculty of Industrial Engineering, Mechanical Engineering and Computer Science, University of Iceland VR-III, 107 Reykjavík, Iceland.
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26
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Timoshenko J, Frenkel AI. “Inverting” X-ray Absorption Spectra of Catalysts by Machine Learning in Search for Activity Descriptors. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03599] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Janis Timoshenko
- Department of Interface Science, Fritz-Haber-Institute of the Max Planck Society, 14195 Berlin, Germany
| | - Anatoly I. Frenkel
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973, United States
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27
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Zhao X, Shi J, Ji Y, Liu Y. The electronic structure underlying electrocatalysis of two‐dimensional materials. WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL MOLECULAR SCIENCE 2019. [DOI: 10.1002/wcms.1418] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xunhua Zhao
- Texas Materials Institute and Department of Mechanical Engineering The University of Texas at Austin Austin Texas
| | - Jianjian Shi
- Texas Materials Institute and Department of Mechanical Engineering The University of Texas at Austin Austin Texas
| | - Yujin Ji
- Texas Materials Institute and Department of Mechanical Engineering The University of Texas at Austin Austin Texas
| | - Yuanyue Liu
- Texas Materials Institute and Department of Mechanical Engineering The University of Texas at Austin Austin Texas
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28
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Zhang L, Lin CY, Zhang D, Gong L, Zhu Y, Zhao Z, Xu Q, Li H, Xia Z. Guiding Principles for Designing Highly Efficient Metal-Free Carbon Catalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1805252. [PMID: 30536475 DOI: 10.1002/adma.201805252] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 09/08/2018] [Indexed: 06/09/2023]
Abstract
Carbon nanomaterials are promising metal-free catalysts for energy conversion and storage, but the catalysts are usually developed via traditional trial-and-error methods. To rationally design and accelerate the search for the highly efficient catalysts, it is necessary to establish design principles for the carbon-based catalysts. Here, theoretical analysis and material design of metal-free carbon nanomaterials as efficient photo-/electrocatalysts to facilitate the critical chemical reactions in clean and sustainable energy technologies are reviewed. These reactions include the oxygen reduction reaction in fuel cells, the oxygen evolution reaction in metal-air batteries, the iodine reduction reaction in dye-sensitized solar cells, the hydrogen evolution reaction in water splitting, and the carbon dioxide reduction in artificial photosynthesis. Basic catalytic principles, computationally guided design approaches and intrinsic descriptors, catalytic material design strategies, and future directions are discussed for the rational design and synthesis of highly efficient carbon-based catalysts for clean energy technologies.
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Affiliation(s)
- Lipeng Zhang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Energy, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Chun-Yu Lin
- Department of Materials Science and Engineering, University of North Texas, Denton, TX, 76203, USA
| | - Detao Zhang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Energy, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Lele Gong
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Energy, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yonghao Zhu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Energy, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhenghang Zhao
- Department of Materials Science and Engineering, University of North Texas, Denton, TX, 76203, USA
| | - Quan Xu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Hejun Li
- School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Zhenhai Xia
- Department of Materials Science and Engineering, University of North Texas, Denton, TX, 76203, USA
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29
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Zigzag carbon as efficient and stable oxygen reduction electrocatalyst for proton exchange membrane fuel cells. Nat Commun 2018; 9:3819. [PMID: 30232335 PMCID: PMC6145918 DOI: 10.1038/s41467-018-06279-x] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 08/27/2018] [Indexed: 12/22/2022] Open
Abstract
Non-precious-metal or metal-free catalysts with stability are desirable but challenging for proton exchange membrane fuel cells. Here we partially unzip a multiwall carbon nanotube to synthesize zigzag-edged graphene nanoribbons with a carbon nanotube backbone for electrocatalysis of oxygen reduction in proton exchange membrane fuel cells. Zigzag carbon exhibits a peak areal power density of 0.161 W cm−2 and a peak mass power density of 520 W g−1, superior to most non-precious-metal electrocatalysts. Notably, the stability of zigzag carbon is improved in comparison with a representative iron-nitrogen-carbon catalyst in a fuel cell with hydrogen/oxygen gases at 0.5 V. Density functional theory calculation coupled with experimentation reveal that a zigzag carbon atom is the most active site for oxygen reduction among several types of carbon defects on graphene nanoribbons in acid electrolyte. This work demonstrates that zigzag carbon is a promising electrocatalyst for low-cost and durable proton exchange membrane fuel cells. Cost and stability of catalysts hinder widespread use of proton exchange membrane fuel cells. Here the authors synthesize zigzag-edged graphene nanoribbons for electrocatalysis of oxygen reduction. Employment of such a metal-free catalyst in a fuel cell yields remarkable power density and durability.
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30
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Goldsmith BR, Esterhuizen J, Liu J, Bartel CJ, Sutton C. Machine learning for heterogeneous catalyst design and discovery. AIChE J 2018. [DOI: 10.1002/aic.16198] [Citation(s) in RCA: 197] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Bryan R. Goldsmith
- Dept. of Chemical EngineeringUniversity of MichiganAnn Arbor MI 48109‐2136
| | | | - Jin‐Xun Liu
- Dept. of Chemical EngineeringUniversity of MichiganAnn Arbor MI 48109‐2136
| | - Christopher J. Bartel
- Dept. of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulder CO 80309
| | - Christopher Sutton
- Fritz‐Haber‐Institut der Max‐Planck‐Gesellschaft, Theory Dept., Faradayweg 4‐6Berlin D‐14195 Germany
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