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Salusso D, Scarfiello C, Efimenko A, Pham Minh D, Serp P, Soulantica K, Zafeiratos S. Direct Evidence of Dynamic Metal Support Interactions in Co/TiO 2 Catalysts by Near-Ambient Pressure X-ray Photoelectron Spectroscopy. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2672. [PMID: 37836313 PMCID: PMC10574330 DOI: 10.3390/nano13192672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 09/24/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023]
Abstract
The interaction between metal particles and the oxide support, the so-called metal-support interaction, plays a critical role in the performance of heterogenous catalysts. Probing the dynamic evolution of these interactions under reactive gas atmospheres is crucial to comprehending the structure-performance relationship and eventually designing new catalysts with enhanced properties. Cobalt supported on TiO2 (Co/TiO2) is an industrially relevant catalyst applied in Fischer-Tropsch synthesis. Although it is widely acknowledged that Co/TiO2 is restructured during the reaction process, little is known about the impact of the specific gas phase environment at the material's surface. The combination of soft and hard X-ray photoemission spectroscopies are used to investigate in situ Co particles supported on pure and NaBH4-modified TiO2 under H2, O2, and CO2:H2 gas atmospheres. The combination of soft and hard X-ray photoemission methods, which allows for simultaneous probing of the chemical composition of surface and subsurface layers, is one of the study's unique features. It is shown that under H2, cobalt particles are encapsulated below a stoichiometric TiO2 layer. This arrangement is preserved under CO2 hydrogenation conditions (i.e., CO2:H2), but changes rapidly upon exposure to O2. The pretreatment of the TiO2 support with NaBH4 affects the surface mobility and prevents TiO2 spillover onto Co particles.
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Affiliation(s)
- Davide Salusso
- European Synchrotron Radiation Facility, CS 40220, CEDEX 9, 38043 Grenoble, France;
| | - Canio Scarfiello
- Centre RAPSODEE UMR CNRS 5302, IMT Mines Albi, Université de Toulouse, Campus Jarlard, CEDEX 09, 81013 Albi, France; (C.S.); (D.P.M.)
- Laboratoire de Physique et Chimie des Nano-Objets (LPCNO), Université de Toulouse, INSA, UPS, CNRS, LPCNO, 135 Avenue de Rangueil, 31077 Toulouse, France;
- LCC, CNRS-UPR 8241, ENSIACET, Université de Toulouse, 31030 Toulouse, France;
| | - Anna Efimenko
- Interface Design, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), Albert-Einstein-Str. 15, 12489 Berlin, Germany;
- Energy Materials In-Situ Laboratory Berlin (EMIL), Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), Albert-Einstein-Str. 15, 12489 Berlin, Germany
| | - Doan Pham Minh
- Centre RAPSODEE UMR CNRS 5302, IMT Mines Albi, Université de Toulouse, Campus Jarlard, CEDEX 09, 81013 Albi, France; (C.S.); (D.P.M.)
| | - Philippe Serp
- LCC, CNRS-UPR 8241, ENSIACET, Université de Toulouse, 31030 Toulouse, France;
| | - Katerina Soulantica
- Laboratoire de Physique et Chimie des Nano-Objets (LPCNO), Université de Toulouse, INSA, UPS, CNRS, LPCNO, 135 Avenue de Rangueil, 31077 Toulouse, France;
| | - Spyridon Zafeiratos
- Institut de Chimie et Procédés Pour l’Energie, l’Environnement et la Santé (ICPEES), ECPM, UMR 7515 CNRS—Université de Strasbourg, 25 Rue Becquerel, CEDEX 02, 67087 Strasbourg, France
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Interfacial regulation of freestanding TiO2/C composite nanofibers for fast sodium storage. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.118339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Li Y, Li S, Cui J, Yan J, Tan HH, Liu J, Wu Y. TiO 2 nanotubular arrays decorated with ultrafine Ag nanoseeds enabling a stable and dendrite-free lithium metal anode. NANOSCALE ADVANCES 2022; 4:4639-4647. [PMID: 36341294 PMCID: PMC9595180 DOI: 10.1039/d2na00526c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
To exploit next-generation high-energy Li metal batteries, it is vitally important to settle the issue of dendrite growth accompanied by interfacial instability of the Li anode. Applying 3D current collectors as hosts for Li deposition emerges as a prospective strategy to achieve uniform Li nucleation and suppress Li dendrites. Herein, well-aligned and spaced TiO2 nanotube arrays grown on Ti foil and surface decorated with dispersed Ag nanocrystals (Ag@TNTAs/Ti) were constructed and employed as a 3D host for regulating Li stripping/plating behaviors and suppressing Li dendrites, and also relieving volume fluctuation during repetitive Li plating/stripping. Uniform TiO2 nanotubular structures with a large surface allow fast electron/ion transport and uniform local current density distribution, leading to homogeneous Li growth on the nanotube surface. Moreover, Ag nanocrystals and TiO2 nanotubes have good Li affinity, which facilitates Li+ capture and reduces the Li nucleation barrier, achieving uniform nucleation and growth of Li metal over the 3D Ag@TNTAs/Ti host. As a result, the as-fabricated Ag@TNTAs/Ti electrode exhibits dendrite-free plating morphology and long-term cycle stability with coulombic efficiency maintained over 98.5% even after 1000 cycles at a current density of 1 mA cm-2 and cycling capacity of 1 mA h cm-2. In symmetric cells, the Ag@TNTAs/Ti-Li electrode shows a much lower hysteresis of 40 mV over an ultralong cycle period of 2600 h at a current density of 1 mA cm-2 and cycling capacity of 1 mA h cm-2. Moreover, the full cell with the Ag@TNTAs/Ti-Li anode and LiFePO4 cathode achieves a high capacity of 155.2 mA h g-1 at 0.5C and retains 77.9% capacity with an average CE of ≈99.7% over 200 cycles.
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Affiliation(s)
- Yulei Li
- Institute of Industry & Equipment Technology, School of Materials Science and Engineering, Engineering Research Center of Advanced Composite Materials Design & Application of Anhui Province, Key Laboratory of Advanced Functional Materials & Devices of Anhui Province, Hefei University of Technology Hefei 230009 China
| | - Shenhao Li
- Institute of Industry & Equipment Technology, School of Materials Science and Engineering, Engineering Research Center of Advanced Composite Materials Design & Application of Anhui Province, Key Laboratory of Advanced Functional Materials & Devices of Anhui Province, Hefei University of Technology Hefei 230009 China
| | - Jiewu Cui
- Institute of Industry & Equipment Technology, School of Materials Science and Engineering, Engineering Research Center of Advanced Composite Materials Design & Application of Anhui Province, Key Laboratory of Advanced Functional Materials & Devices of Anhui Province, Hefei University of Technology Hefei 230009 China
| | - Jian Yan
- Institute of Industry & Equipment Technology, School of Materials Science and Engineering, Engineering Research Center of Advanced Composite Materials Design & Application of Anhui Province, Key Laboratory of Advanced Functional Materials & Devices of Anhui Province, Hefei University of Technology Hefei 230009 China
| | - Hark Hoe Tan
- Department of Electronic Materials Engineering, Research School of Physics and Engineering, Australian National University Canberra ACT 2601 Australia
| | - Jiaqin Liu
- Institute of Industry & Equipment Technology, School of Materials Science and Engineering, Engineering Research Center of Advanced Composite Materials Design & Application of Anhui Province, Key Laboratory of Advanced Functional Materials & Devices of Anhui Province, Hefei University of Technology Hefei 230009 China
| | - Yucheng Wu
- Institute of Industry & Equipment Technology, School of Materials Science and Engineering, Engineering Research Center of Advanced Composite Materials Design & Application of Anhui Province, Key Laboratory of Advanced Functional Materials & Devices of Anhui Province, Hefei University of Technology Hefei 230009 China
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USUI H, DOMI Y, NGUYEN TH, IZAKI SI, NISHIKAWA K, TANAKA T, SAKAGUCHI H. Effects of Phase Change and Cu Doping on the Li Storage Properties of Rutile TiO 2. ELECTROCHEMISTRY 2022. [DOI: 10.5796/electrochemistry.22-00004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Hiroyuki USUI
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University
| | - Yasuhiro DOMI
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University
| | - Thi Hay NGUYEN
- Course of Chemistry and Biotechnology, Department of Engineering, Graduate School of Sustainability Science, Tottori University
| | - Shin-ichiro IZAKI
- Course of Chemistry and Biotechnology, Department of Engineering, Graduate School of Sustainability Science, Tottori University
| | - Kei NISHIKAWA
- Center for Green Research on Energy and Environmental Materials, National Institute for Materials Science (NIMS)
| | - Toshiyuki TANAKA
- Mechanical and Material Research Laboratory, Tottori Institute of Industrial Technology
| | - Hiroki SAKAGUCHI
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University
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Liu ZG, Du R, He XX, Wang JC, Qiao Y, Li L, Chou SL. Recent Progress on Intercalation-Based Anode Materials for Low-Cost Sodium-Ion Batteries. CHEMSUSCHEM 2021; 14:3724-3743. [PMID: 34245489 DOI: 10.1002/cssc.202101186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/09/2021] [Indexed: 06/13/2023]
Abstract
Intercalation-based anode materials can be considered as the most promising anode candidates for large-scale sodium-ion batteries (SIBs), owing to their long-term cycling stability and environmental friendliness, as well as their natural abundance. Nevertheless, their low energy density, low initial coulombic efficiency, and poor cycling lifespan, as well as sluggish sodium diffusion dynamics are still the main issues for the application of intercalation-based anode materials in SIBs in terms of meeting the benchmark requirements for commercialization. Over the past few years, tremendous efforts have been devoted to improving the performance of SIBs. In this Review, recent progress in the development of intercalation-based anode materials, including TiO2 , Li4 Ti5 O12 , Na2 Ti3 O7 , and NaTi2 (PO4 )3 , is summarized in terms of their sodium storage performance, critical issues, sodiation/desodiation behavior, and effective strategies to enhance their electrochemical performance. Additionally, challenges and perspectives are provided to further understand these intercalation-based anode materials.
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Affiliation(s)
- Zheng-Guang Liu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Rui Du
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Xiang-Xi He
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Jia-Cheng Wang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Yun Qiao
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Li Li
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Shu-Lei Chou
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute for Carbon Neutralization, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325035, China
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Tong Z, Kang T, Wu J, Yang R, Wu Y, Lian R, Wang H, Tang Y, Lee CS. Mechanisms of sodiation in anatase TiO 2 in terms of equilibrium thermodynamics and kinetics. NANOSCALE ADVANCES 2021; 3:4702-4713. [PMID: 36134310 PMCID: PMC9418246 DOI: 10.1039/d1na00359c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 06/24/2021] [Indexed: 05/05/2023]
Abstract
Anatase TiO2 is a promising anode material for sodium-ion batteries (SIBs). However, its sodium storage mechanisms in terms of crystal structure transformation during sodiation/de-sodiation processes are far from clear. Here, by analyzing the redox thermodynamics and kinetics under near-equilibrium states, we observe, for the first time, that upon Na-ion uptake, the anatase TiO2 undergoes a phase transition and then an irreversible crystal structure disintegration. Additionally, unlike previous theoretical studies which investigate only the two end points of the sodiation process (i.e., TiO2 and NaTiO2), we study the progressive crystal structure changes of anatase TiO2 upon step-by-step Na-ion uptake (Na x TiO2, x = 0.0625, 0.125, 0.25, 0.5, 0.75, and 1) for the first time. It is found that the anatase TiO2 goes through a thermodynamically unstable intermediate phase (Na0.25TiO2) before reaching crystalline NaTiO2, confirming the inevitable crystal structure disintegration during sodiation. These combined experimental and theoretical studies provide new insights into the sodium storage mechanisms of TiO2 and are expected to provide useful information for further improving the performance of TiO2-based anodes for SIB applications.
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Affiliation(s)
- Zhongqiu Tong
- College of Materials and Metallurgical Engineering, Guizhou Institute of Technology Guiyang 550003 Guizhou China
- Department of Chemistry, City University of Hong Kong Hong Kong China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong Hong Kong China
| | - Tianxing Kang
- Department of Chemistry, City University of Hong Kong Hong Kong China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong Hong Kong China
| | - Jianming Wu
- College of Materials and Metallurgical Engineering, Guizhou Institute of Technology Guiyang 550003 Guizhou China
| | - Rui Yang
- Department of Chemistry, City University of Hong Kong Hong Kong China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong Hong Kong China
| | - Yan Wu
- Department of Chemistry, City University of Hong Kong Hong Kong China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong Hong Kong China
| | - Ruqian Lian
- School of Physical Science and Technology, Hebei University Baoding 071002 China
| | - Hui Wang
- Department of Chemistry, City University of Hong Kong Hong Kong China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong Hong Kong China
| | - Yongbing Tang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences Shenzhen 518055 China
| | - Chun Sing Lee
- Department of Chemistry, City University of Hong Kong Hong Kong China
- Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong Hong Kong China
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Wang J, Sun Y, Fu L, Sun Z, Ou M, Zhao S, Chen Y, Yu F, Wu Y. A defective g-C 3N 4/RGO/TiO 2 composite from hydrogen treatment for enhanced visible-light photocatalytic H 2 production. NANOSCALE 2020; 12:22030-22035. [PMID: 33146195 DOI: 10.1039/d0nr05141a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Photocatalytic H2 evolution is a clean technology to alleviate energy and environmental issues. The limited light absorption and the separation efficiency of photogenerated charge carriers are the major hurdles constraining the application of numerous photocatalysts. Herein, we report a simple and effective strategy, a multistep heat-treatment method, to synthesise a defective g-C3N4/RGO/TiO2 composite to increase its rate of activity for H2 production. The defects, nitrogen and oxygen vacancies, are simultaneously introduced on the surface of the g-C3N4/RGO/TiO2 composite. The vacancy defects essentially endow g-C3N4/RGO/TiO2 with a boosted photocatalytic H2 evolution rate (4760 μmol h-1 g-1) under visible-light irradiation, which is higher than that of the most of g-C3N4/TiO2 composites. This is attributed to the improved visible-light absorption as well as the separation and transfer rate of photogenerated charge carriers arising from vacancy defects. This study may provide an avenue for preparing defective photocatalysts for efficient H2 evolution.
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Affiliation(s)
- Jing Wang
- School of Energy Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Youcai Sun
- College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Lijun Fu
- School of Energy Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Zhuang Sun
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Man Ou
- School of Energy Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Shulin Zhao
- School of Energy Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Yuhui Chen
- School of Energy Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Fengjiao Yu
- College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Yuping Wu
- School of Energy Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
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Bai YL, Xarapatgvl R, Wu XY, Liu X, Liu YS, Wang KX, Chen JS. Core-shell anatase anode materials for sodium-ion batteries: the impact of oxygen vacancies and nitrogen-doped carbon coating. NANOSCALE 2019; 11:17860-17868. [PMID: 31553002 DOI: 10.1039/c9nr06245a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In this work, the impact of oxygen vacancies and nitrogen-doped carbon coating on the sodium-ion storage properties of anatase TiO2 has been demonstrated. Oxygen vacancies and nitrogen-doped carbon coating were introduced simultaneously by the calcination of core-shell structured TiO2 spheres in a reducing atmosphere. Compared to the anatase TiO2 with and without oxygen vacancies, TiO2-x@NC exhibits much better electrochemical performance in the storage of sodium ions. A high reversible capacity of 245.6 mA h g-1 is maintained at 0.1 A g-1 after 200 cycles, and a high specific capacity of 155.6 mA h g-1 is achieved at a high rate of 5.0 A g-1. The significantly improved electrochemical performance of the core-shell structured anatase TiO2 spheres is attributed to the synergistic effect of the oxygen vacancies in the anatase lattice and surface nitrogen-doped carbon coating. This work provides an efficient strategy for improving the electrochemical performance of metal-oxide-based electrode materials for sodium-ion batteries.
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Affiliation(s)
- Yu-Lin Bai
- Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
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