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Xiong KY, Shen LW, Wang Y, Liu Y, Hu MX, Ying J, Xiao YX, Shen L, Tian G, Yang XY. A N-doped carbon substrate makes the Ru-Co alloy an efficient electrocatalyst for pH-universal seawater splitting. Chem Commun (Camb) 2024; 60:7499-7502. [PMID: 38946539 DOI: 10.1039/d4cc02081b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Designing electrocatalysts for seawater splitting remains challenging. A Ru-Co alloy supported by an N-doped carbon substrate catalyst has been designed using etching and a low-temperature treatment method. Studies show that the superior performance of this catalyst is related to the hollow-structured N-doped carbon frame and surface reconstruction of the Ru-Co alloy.
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Affiliation(s)
- Kang-Yi Xiong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
| | - Le-Wei Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
| | - Yong Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
| | - Yu Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
| | - Ming-Xia Hu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
| | - Jie Ying
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Yu-Xuan Xiao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Ling Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
| | - Ge Tian
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
| | - Xiao-Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science and Engineering, and School of Materials Science and Engineering, and Shenzhen Research Institute, and Laoshan Laboratory, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
- National Energy Key Laboratory for New Hydrogen-Ammonia Energy Technologies Foshan Xianhu Laboratory, Foshan 528200, P. R. China
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Zhang J, Cheng C, Xiao L, Han C, Zhao X, Yin P, Dong C, Liu H, Du X, Yang J. Construction of Co-Se-W at Interfaces of Phase-Mixed Cobalt Selenide via Spontaneous Phase Transition for Platinum-Like Hydrogen Evolution Activity and Long-Term Durability in Alkaline and Acidic Media. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2401880. [PMID: 38655767 DOI: 10.1002/adma.202401880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 04/02/2024] [Indexed: 04/26/2024]
Abstract
Cost-effective transition metal chalcogenides are highly promising electrocatalysts for both alkaline and acidic hydrogen evolution reactions (HER). However, unsatisfactory HER kinetics and stability have severely hindered their applications in industrial water electrolysis. Herein, a nanoflowers-shaped W-doped cubic/orthorhombic phase-mixed CoSe2 catalyst ((c/o)-CoSe2-W) is reported. The W doping induces spontaneous phase transition from stable phase cubic CoSe2 (c-CoSe2) to metastable phase orthorhombic CoSe2, which not only enables precise regulation of the ratio of two phases but also realizes W doping at the interfaces of two phases. The (c/o)-CoSe2-W catalyst exhibits a Pt-like HER activity in both alkaline and acidic media, with record-low HER overpotentials of 29.8 mV (alkaline) and 35.9 mV (acidic) at 10 mA cm-2, respectively, surpassing the vast majority of previously reported non-precious metal electrocatalysts for both alkaline and acidic HER. The Pt-like HER activities originate from the formation of Co-Se-W active species on the c-CoSe2 side at the phase interface, which effectively modulates electron structures of active sites, not only enhancing H2O adsorption and dissociation at Co sites but also optimizing H* adsorption to ΔGH* ≈ 0 at W sites. Benefiting from the abundant phase interfaces, the catalyst also displays outstanding long-term durability in both acidic and alkaline media.
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Affiliation(s)
- Jingtong Zhang
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Chuanqi Cheng
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Liyang Xiao
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Chunyan Han
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Xueru Zhao
- Chemistry Division, Brookhaven National Laboratory, Upton, New York, NY, 11973, USA
| | - Pengfei Yin
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Cunku Dong
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Hui Liu
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Xiwen Du
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Jing Yang
- Institute of New Energy Materials, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
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Yang X, Xiao YX, Zhang XQ, Yu F, Tian G, Zhao WY, Shen L, Zhang S, Yang XY. Enhanced d-π overlap in a graphene supported Ni/PtNi heterojunction for efficient seawater hydrogen evolution. Chem Commun (Camb) 2024; 60:2176-2179. [PMID: 38289337 DOI: 10.1039/d3cc05959f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
d-π overlap, which represents overlap between metal-d and graphene-π orbitals to facilitate electron transfer, has rarely been reported. Ni/PtNi-G2 exhibits exceptional performance in seawater hydrogen evolution due to the electron-rich surface on Pt resulting from enhanced d-π overlap and subsequent electron transfer from graphene and Ni to Pt.
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Affiliation(s)
- Xiong Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
| | - Yu-Xuan Xiao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, China
| | - Xue-Qi Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
| | - Fei Yu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
| | - Ge Tian
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
| | - Wen-Ying Zhao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
| | - Ling Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
| | - Song Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
| | - Xiao-Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & Shenzhen Research Institute, Wuhan University of Technology, Wuhan, 430070, China.
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4
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Li Q, Li Q, Wang Z, Zheng X, Cai S, Wu J. Recent Advances in Hierarchical Porous Engineering of MOFs and Their Derived Materials for Catalytic and Battery: Methods and Application. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2303473. [PMID: 37840383 DOI: 10.1002/smll.202303473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 08/05/2023] [Indexed: 10/17/2023]
Abstract
Hierarchical porous materials have attracted the attention of researchers due to their enormous specific surface area, maximized active site utilization efficiency, and unique structure and properties. In this context, metal-organic frameworks (MOFs) offer a unique mix of properties that make them particularly appealing as tunable porous substrates containing highly active sites. This review focuses on recent advances in the types and synthetic strategies of hierarchical porous MOFs and their derived materials. Furthermore, it highlights the relationship between the mass diffusion and transport of hierarchical porous structures and the pore size with examples and simulations, while identifying their potential and limitations. On this basis, how the synthesis conditions affect the structure and electrochemical properties of MOFs based hierarchical porous materials with different structures is discussed, highlighting the prospects and challenges for the synthetization, as well as further scientific research and practical applications. Finally, some insights into current research and future design ideas for advanced MOFs based hierarchical porous materials are presented.
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Affiliation(s)
- Qian Li
- Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, College of Physics and Information Science, Hunan Normal University, Changsha, 410081, China
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Qun Li
- National Center for Nanoscience and Technology, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, Beijing, 100190, China
| | - Zhewei Wang
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiaobo Zheng
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Shichang Cai
- School of Material Science and Engineering, Henan University of Technology, Zhengzhou, 450001, China
| | - Jiabin Wu
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
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Ying J, Xiao Y, Chen J, Hu ZY, Tian G, Tendeloo GV, Zhang Y, Symes MD, Janiak C, Yang XY. Fractal Design of Hierarchical PtPd with Enhanced Exposed Surface Atoms for Highly Catalytic Activity and Stability. NANO LETTERS 2023; 23:7371-7378. [PMID: 37534973 DOI: 10.1021/acs.nanolett.3c01190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
Hierarchical assembly of arc-like fractal nanostructures not only has its unique self-similarity feature for stability enhancement but also possesses the structural advantages of highly exposed surface-active sites for activity enhancement, remaining a great challenge for high-performance metallic nanocatalyst design. Herein, we report a facile strategy to synthesize a novel arc-like hierarchical fractal structure of PtPd bimetallic nanoparticles (h-PtPd) by using pyridinium-type ionic liquids as the structure-directing agent. Growth mechanisms of the arc-like nanostructured PtPd nanoparticles have been fully studied, and precise control of the particle sizes and pore sizes has been achieved. Due to the structural features, such as size control by self-similarity growth of subunits, structural stability by nanofusion of subunits, and increased numbers of exposed active atoms by the curved homoepitaxial growth, h-PtPd displays outstanding electrocatalytic activity toward oxygen reduction reaction and excellent stability during hydrothermal treatment and catalytic process.
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Affiliation(s)
- Jie Ying
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, China
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Yuxuan Xiao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, China
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Jiangbo Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Zhi-Yi Hu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Ge Tian
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Gustaaf Van Tendeloo
- EMAT (Electron Microscopy for Materials Science), University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Yuexing Zhang
- College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China
| | - Mark D Symes
- WestCHEM, School of Chemistry, University of Glasgow, University Avenue, Glasgow, G12 8QQ, U.K
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40204 Düsseldorf, Germany
| | - Xiao-Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
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6
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Lu Q, Gu X, Li J, Li W, Luque R, Eid K. Unraveling ultrasonic assisted aqueous-phase one-step synthesis of porous PtPdCu nanodendrites for methanol oxidation with a CO-poisoning tolerance. ULTRASONICS SONOCHEMISTRY 2023; 98:106494. [PMID: 37356216 PMCID: PMC10319326 DOI: 10.1016/j.ultsonch.2023.106494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/10/2023] [Accepted: 06/16/2023] [Indexed: 06/27/2023]
Abstract
The tailored design of tri-metallic Pt-based porous nanodendrites (PNDs) is crucial for green energy production technologies, ascribed to their fancy features, great surface areas, accessible active sites, and stability against aggregation. However, their aqueous-phase one-step synthesis at room temperature remains a daunting challenge. Herein, we present a facile, green, and template-free approach for the one-step synthesis of PtPdCu PNDs by ultrasonication of an aqueous solution of metal salts and Pluronic F127 at 25 ℃, based on natural isolation among nucleation and growth step driven by the disparate reduction kinetics of the metals and acoustic cavitation mechanism of ultrasonic waves. The resultant PtPdCu PNDs formed in a spatial nanodendritic shape with a dense array of branches, open corners, interconnected pores, high surface area (46.9 m2/g), and high Cu content (21 %). The methanol oxidation reaction (MOR) mass activity of PtPdCu PNDs (3.66 mA/µgPt) is 1.45, 2.73, and 2.83 times higher than those of PtPd PNDs, PtCu PNDs, and commercial Pt/C, respectively based on equivalent Pt mass, which is superior to previous PtPdCu catalysts reported elsewhere, besides a superior durability and CO-poisoning tolerance. This study may pave the way for the controlled fabrication of ternary Pt-based PNDs for various electrocatalytic applications.
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Affiliation(s)
- Qingqing Lu
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Xilei Gu
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Jiaojiao Li
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Wenpeng Li
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Rafael Luque
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str., 117198 Moscow, Russian Federation; Universidad ECOTEC, Km 13.5 Samborondón, Samborondón EC092302, Ecuador
| | - Kamel Eid
- Gas Processing Center (GPC), College of Engineering, Qatar University, Doha 2713, Qatar.
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Shi Y, Zhang L, Zhou H, Liu R, Nie S, Ye G, Wu F, Niu W, Han JL, Wang AJ. Te-induced fabrication of Pt 3PdTe 0.2 alloy nanocages by the self-diffusion of Pd atoms with unique MOR electrocatalytic performance. NANOSCALE ADVANCES 2023; 5:2804-2812. [PMID: 37205282 PMCID: PMC10187029 DOI: 10.1039/d2na00576j] [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: 08/28/2022] [Accepted: 04/05/2023] [Indexed: 05/21/2023]
Abstract
The key to the application of direct methanol fuel cells is to improve the activity and durability of Pt-based catalysts. Based on the upshift of the d-band centre and exposure to more Pt active sites, Pt3PdTe0.2 catalysts with significantly enhanced electrocatalytic performance for the methanol oxidation reaction (MOR) were designed in this study. A series of different Pt3PdTex (x = 0.2, 0.35, and 0.4) alloy nanocages with hollow and hierarchical structures were synthesized using cubic Pd nanoparticles as sacrificial templates and PtCl62- and TeO32- metal precursors as oxidative etching agents. The Pd nanocubes were oxidized into an ionic complex, which was further co-reduced with Pt and Te precursors by reducing agents to form the hollow Pt3PdTex alloy nanocages with a face-centred cubic lattice. The sizes of the nanocages were around 30-40 nm, which were larger than the Pd templates (18 nm) and the thicknesses of the walls were 7-9 nm. The Pt3PdTe0.2 alloy nanocages exhibited the highest catalytic activities and stabilities toward the MOR after electrochemical activation in sulfuric acid solution. CO-stripping tests suggested the enhanced CO-tolerant ability due to the doping of Te. The specific activity of Pt3PdTe0.2 for the MOR reached 2.71 mA cm-2 in acidic conditions, which was higher than those of Pd@Pt core-shell and PtPd1.5 alloy nanoparticles and commercial Pt/C. A DMFC with Pt3PdTe0.2 as the anodic catalyst output a higher power density by 2.6 times than that of commercial Pt/C, demonstrating its practicable application in clean energy conversions. Density functional theory (DFT) confirmed that the alloyed Te atoms altered the electron distributions of Pt3PdTe0.2, which could lower the Gibbs free energy of the rate-determining methanol dehydrogenation step and greatly improve the MOR catalytic activity and durability.
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Affiliation(s)
- Yuhe Shi
- School of Science, Harbin Institute of Technology Shenzhen 518055 China
| | - Ling Zhang
- School of Science, Harbin Institute of Technology Shenzhen 518055 China
| | - Huiwen Zhou
- School of Science, Harbin Institute of Technology Shenzhen 518055 China
| | - Ruanshan Liu
- School of Science, Harbin Institute of Technology Shenzhen 518055 China
| | - Shichen Nie
- Shandong Hynar Water Environmental Protection Co., Ltd Heze 274400 China
| | - Guojie Ye
- Hynar Water Group Co., Ltd Shenzhen 518052 China
| | - Fengxia Wu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022 China
- University of Science and Technology of China Anhui 230026 China
| | - Wenxin Niu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022 China
- University of Science and Technology of China Anhui 230026 China
| | - Jing Long Han
- School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen 518055 China
- State Key Laboratory of Urban Water Resource and Environment (Shenzhen), Harbin Institute of Technology Shenzhen 518055 China
| | - Ai Jie Wang
- School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen 518055 China
- State Key Laboratory of Urban Water Resource and Environment (Shenzhen), Harbin Institute of Technology Shenzhen 518055 China
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Xiao YX, Ying J, Liu HW, Yang XY. Pt-C interactions in carbon-supported Pt-based electrocatalysts. Front Chem Sci Eng 2023:1-21. [PMID: 37359291 PMCID: PMC10126579 DOI: 10.1007/s11705-023-2300-5] [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: 11/04/2022] [Accepted: 01/04/2023] [Indexed: 06/28/2023]
Abstract
Carbon-supported Pt-based materials are highly promising electrocatalysts. The carbon support plays an important role in the Pt-based catalysts by remarkably influencing the growth, particle size, morphology, dispersion, electronic structure, physiochemical property and function of Pt. This review summarizes recent progress made in the development of carbon-supported Pt-based catalysts, with special emphasis being given to how activity and stability enhancements are related to Pt-C interactions in various carbon supports, including porous carbon, heteroatom doped carbon, carbon-based binary support, and their corresponding electrocatalytic applications. Finally, the current challenges and future prospects in the development of carbon-supported Pt-based catalysts are discussed.
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Affiliation(s)
- Yu-Xuan Xiao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082 China
| | - Jie Ying
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082 China
| | - Hong-Wei Liu
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082 China
| | - Xiao-Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070 China
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Ying J, He ZZ, Chen JB, Xiao YX, Yang XY. Elevating the d-Band Center of Ni 3S 2 Nanosheets by Fe Incorporation to Boost the Oxygen Evolution Reaction. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:5375-5383. [PMID: 36951389 DOI: 10.1021/acs.langmuir.2c03482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Many attempts have been made to enhance the relatively poor electrochemical activity of Ni3S2 for the oxygen evolution reaction (OER) by elevating the d-band center. Unfortunately, only limited success has been encountered thus far. Owning to the lower electronegativity and one less 3d electron relative to Ni, Fe shows great potentials in upshifting the overall d-band center of Ni3S2 when incorporating into its crystal structures. Herein, to enhance the intrinsic activity by elevating the d-band center, Ni3S2 nanosheets incorporated with suitable Fe content have been fabricated by a facile one-step solvothermal method. The obtained Fe-incorporated Ni3S2 catalyst exhibits an outstanding OER performance in alkaline media, only requiring 244 mV overpotential (with a reduction of 210 mV compared to Ni3S2) at 50 mA cm-2 in 1 M KOH and without obvious degradation after sustaining for a 60 h test at a voltage above 1.5 V. Ultraviolet photoemission spectroscopy and density functional theory calculations consistently demonstrate that the superior performance of Fe-incorporated Ni3S2 is attributed to the upshift of the d-band center on neutralizing the electron densities of Ni, which optimize greatly the adsorption energy of the intermediate (OOH*) in the rate-determining Volmer step.
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Affiliation(s)
- Jie Ying
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Zhen-Zhao He
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Jiang-Bo Chen
- State Key Laboratory Advanced Technology for Materials Synthesis and Processing & School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
| | - Yu-Xuan Xiao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Xiao-Yu Yang
- State Key Laboratory Advanced Technology for Materials Synthesis and Processing & School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
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Guo K, Xu D, Xu L, Li Y, Tang Y. Noble metal nanodendrites: growth mechanisms, synthesis strategies and applications. MATERIALS HORIZONS 2023; 10:1234-1263. [PMID: 36723011 DOI: 10.1039/d2mh01408d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Inorganic nanodendrites (NDs) have become a kind of advanced nanomaterials with broad application prospects because of their unique branched architecture. The structural characteristics of nanodendrites include highly branched morphology, abundant tips/edges and high-index crystal planes, and a high atomic utilization rate, which give them great potential for usage in the fields of electrocatalysis, sensing, and therapeutics. Therefore, the rational design and controlled synthesis of inorganic (especially noble metals) nanodendrites have attracted widespread attention nowadays. The development of synthesis strategies and characterization methodology provides unprecedented opportunities for the preparation of abundant nanodendrites with interesting crystallographic structures, morphologies, and application performances. In this review, we systematically summarize the formation mechanisms of noble metal nanodendrites reported in recent years, with a special focus on surfactant-mediated mechanisms. Some typical examples obtained by innovative synthetic methods are then highlighted and recent advances in the application of noble metal nanodendrites are carefully discussed. Finally, we conclude and present the prospects for the future development of nanodendrites. This review helps to deeply understand the synthesis and application of noble metal nanodendrites and may provide some inspiration to develop novel functional nanomaterials (especially electrocatalysts) with enhanced performance.
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Affiliation(s)
- Ke Guo
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Dongdong Xu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Lin Xu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Yafei Li
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Yawen Tang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
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Zhu R, Yu R, Yin K, Zhang S, Chung-Yen Jung J, Zhao Y, Li M, Xia Z, Zhang J. Integration of multiple advantages into one catalyst: non-CO pathway of methanol oxidation electrocatalysis on surface Ir-modulated PtFeIr jagged nanowires. J Colloid Interface Sci 2023; 640:348-358. [PMID: 36867931 DOI: 10.1016/j.jcis.2023.02.126] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/17/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023]
Abstract
Developing highly active methanol oxidation electrocatalysts with superior anti-CO poisoning capability remains a grand challenge. Herein, a simple strategy was employed to prepare distinctive PtFeIr jagged nanowires with Ir located at the shell and Pt/Fe located at the core. The Pt64Fe20Ir16 jagged nanowire possesses an optimal mass activity of 2.13 A mgPt-1 and specific activity of 4.25 mA cm-2, giving the catalyst a great edge over PtFe jagged nanowire (1.63 A mgPt-1 and 3.75 mA cm-2) and Pt/C (0.38 A mgPt-1 and 0.76 mA cm-2). The in-situ Fourier transform infrared (FTIR) spectroscopy and differential electrochemical mass spectrometry (DEMS) unravel the origin of extraordinary CO tolerance in terms of key reaction intermediates in the non-CO pathway. Density functional theory (DFT) calculations add to the body of evidence that the surface Ir incorporation transforms the selectivity from CO pathway to non-CO pathway. Meanwhile, the presence of Ir serves to optimize surface electronic structure with weakened CO binding strength. We believe this work will advance the understanding of methanol oxidation catalytic mechanism and provide some insight into structural design of efficient electrocatalysts.
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Affiliation(s)
- Rongying Zhu
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Renqin Yu
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Kun Yin
- School of Materials Science and Engineering, Peking University, Beijing, 100871, China
| | - Shiming Zhang
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China.
| | - Joey Chung-Yen Jung
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Yufeng Zhao
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Menggang Li
- School of Materials Science and Engineering, Peking University, Beijing, 100871, China.
| | - Zhonghong Xia
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China.
| | - Jiujun Zhang
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China
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12
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Shen LW, Wang Y, Chen JB, Tian G, Xiong KY, Janiak C, Cahen D, Yang XY. A RuCoBO Nanocomposite for Highly Efficient and Stable Electrocatalytic Seawater Splitting. NANO LETTERS 2023; 23:1052-1060. [PMID: 36706048 DOI: 10.1021/acs.nanolett.2c04668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Efficient and stable electrocatalysts are critically needed for the development of practical overall seawater splitting. The nanocomposite of RuCoBO has been rationally engineered to be an electrocatalyst that fits these criteria. The study has shown that a calcinated RuCoBO-based nanocomposite (Ru2Co1BO-350) exhibits an extremely high catalytic activity for H2 and O2 production in alkaline seawater (overpotentials of 14 mV for H2 evolution and 219 mV for O2 evolution) as well as a record low cell voltage (1.466 V@10 mA cm-2) and long-term stability (230 h @50 mA cm-2 and @100 mA cm-2) for seawater splitting. The results show that surface reconstruction of Ru2Co1BO-350 occurs during hydrogen evolution reaction and oxygen evolution reaction, which leads to the high activity and stability of the catalyst. The reconstructed surface is highly resistant to Cl- corrosion. The investigation suggests that a new strategy exists for the design of high-performance Ru-based electrocatalysts that resist anodic corrosion during seawater splitting.
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Affiliation(s)
- Le-Wei Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science & Engineering, and School of Materials Science & Engineering, and Shenzhen Research Institute, and Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 430070 Wuhan, Hubei, China
| | - Yong Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science & Engineering, and School of Materials Science & Engineering, and Shenzhen Research Institute, and Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 430070 Wuhan, Hubei, China
| | - Jiang-Bo Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science & Engineering, and School of Materials Science & Engineering, and Shenzhen Research Institute, and Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 430070 Wuhan, Hubei, China
| | - Ge Tian
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science & Engineering, and School of Materials Science & Engineering, and Shenzhen Research Institute, and Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 430070 Wuhan, Hubei, China
| | - Kang-Yi Xiong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science & Engineering, and School of Materials Science & Engineering, and Shenzhen Research Institute, and Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 430070 Wuhan, Hubei, China
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40204 Düsseldorf, Germany
| | - David Cahen
- Department of Chemistry, and Bar-Ilan Institute for Nanotechnology & Advanced Materials, Bar-Ilan University, 5290002 Ramat Gan, and Department of Molecular Chemistry & Materials Science, Weizmann Institute of Science, 76100 Rehovot, Israel
| | - Xiao-Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, and International School of Materials Science & Engineering, and School of Materials Science & Engineering, and Shenzhen Research Institute, and Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, 430070 Wuhan, Hubei, China
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13
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Zhang XQ, Xiao YX, Tian G, Yang X, Dong Y, Zhang F, Yang XY. Enhancing Resistance to Chloride Corrosion by Controlling the Morphologies of PtNi Electrocatalysts for Alkaline Seawater Hydrogen Evolution. Chemistry 2023; 29:e202202811. [PMID: 36321591 DOI: 10.1002/chem.202202811] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/02/2022] [Accepted: 11/02/2022] [Indexed: 12/13/2022]
Abstract
A solvothermal method to prepare PtNi alloys that have differing morphologies is described. By adjusting the feed ratio of Pt and Ni precursors in this process, PtNi alloys with different compositions (Pt : Ni atomic ratio from 1 : 3 to 3 : 1) and morphologies (evolution from nanobranches to nanoparticles) are generated. The prepared Pt48 Ni52 alloy, which has a composite morphology comprised of nanobranches and nanoparticles, exhibits superior activity and durability towards the hydrogen evolution reaction (HER) in seawater compared to those of commercial Pt/C catalyst and other PtNi alloys that have different compositions and morphologies. The excellent seawater HER performance of Pt48 Ni52 is ascribed to its nanobranch/nanoparticle morphology that optimally facilitates electron accumulation on Pt, which enhances resistance to chloride corrosion in seawater.
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Affiliation(s)
- Xue-Qi Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Yu-Xuan Xiao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, P. R. China
| | - Ge Tian
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Xiong Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Yuan Dong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Fan Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Xiao-Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070, P. R. China
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14
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Ying J, Lenaerts S, Symes MD, Yang X. Hierarchical Design in Nanoporous Metals. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2106117. [PMID: 35900062 PMCID: PMC9507373 DOI: 10.1002/advs.202106117] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/15/2022] [Indexed: 05/28/2023]
Abstract
Hierarchically porous metals possess intriguing high accessibility of matter molecules and unique continuous metallic frameworks, as well as a high level of exposed active atoms. High rates of diffusion and fast energy transfer have been important and challenging goals of hierarchical design and porosity control with nanostructured metals. This review aims to summarize recent important progress toward the development of hierarchically porous metals, with special emphasis on synthetic strategies, hierarchical design in structure-function and corresponding applications. The current challenges and future prospects in this field are also discussed.
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Affiliation(s)
- Jie Ying
- School of Chemical Engineering and TechnologySun Yat‐sen University (SYSU)Zhuhai519082P. R. China
| | - Silvia Lenaerts
- Research Group of Sustainable Energy and Air Purification (DuEL), Department of Bioscience EngineeringUniversity of AntwerpGroenenborgerlaan 171Antwerp2020Belgium
| | - Mark D. Symes
- WestCHEM, School of ChemistryUniversity of GlasgowGlasgowG12 8QQUnited Kingdom
| | - Xiao‐Yu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
- School of Engineering and Applied SciencesHarvard UniversityCambridgeMA02138USA
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15
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Jia M, Shen L, Tian G, Córdoba de Torresi SI, Symes MD, Yang XY. Superior Electrocatalysis Delivered by a Directional Electron Transfer Cascade in Hierarchical CoNi/Ru@C. Chem Asian J 2022; 17:e202200449. [PMID: 35758841 DOI: 10.1002/asia.202200449] [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: 04/28/2022] [Revised: 06/02/2022] [Indexed: 11/07/2022]
Abstract
Exploiting directional electron transfer cascades could lead to high-performance electrocatalysts for processes such as the hydrogen evolution reaction, but realising such systems is difficult. Herein, a hierarchical confined material (CoNi/Ru@C) is presented, which provides a suitable spatial junction to enable directional electron transfer, giving superior hydrogen evolution in alkaline water/seawater.
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Affiliation(s)
- Mingpu Jia
- Wuhan University of Technology, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), CHINA
| | - Ling Shen
- Wuhan University of Technology, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), CHINA
| | - Ge Tian
- Wuhan University of Technology, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & International School of Materials Science and Engineering & School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), CHINA
| | | | - Mark D Symes
- University of Glasgow, WestCHEM School of Chemistry, UNITED KINGDOM
| | - Xiao-Yu Yang
- Wuhan University of Technology, 122, Luoshi Road, 430070, Wuhan, CHINA
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16
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EBSD Characterization of 7075 Aluminum Alloy and Its Corrosion Behaviors in SRB Marine Environment. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2022. [DOI: 10.3390/jmse10060740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aluminum alloy 7075 is an important engineering material for ship structures. However, the corrosion of Al alloys generally exists in various environments, especially in the marine environment. Currently, the corrosion behaviors of Al alloy 7075 in sulfate-reducing bacteria (SRB) marine environment has not been well-addressed. In this paper, the corrosion effect of SRB on 7075 aluminum alloys was studied by adding SRB to real seawater. The microstructure and grain orientation of the super-hardness Al alloy 7075 were studied via the electron back-scattered diffraction (EBSD)technology, and the electrochemical impedance spectroscopy (EIS) test of the electrochemical corrosion behavior of 7075 in a variety of microorganisms, mainly SRB, in real seawater was continuously performed for 21 days. It was concluded that Al alloy 7075 has the strongest texture intensity on the (001), (111), (010), and (0–10) planes, which is 2.565. Adding SRB to real seawater accelerated the corrosion rate, and after corrosion on the 14th day, the protective film on the 7075 aluminum alloy surface was completely broken, and the impedance was significantly reduced.
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17
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Chen J, Ying J, Xiao Y, Dong Y, Ozoemena KI, Lenaerts S, Yang X. Stoichiometry design in hierarchical CoNiFe phosphide for highly efficient water oxidation. SCIENCE CHINA MATERIALS 2022; 65:2685-2693. [PMID: 35668742 PMCID: PMC9136762 DOI: 10.1007/s40843-022-2061-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 04/01/2022] [Indexed: 06/15/2023]
Abstract
UNLABELLED Rational composition design of trimetallic phosphide catalysts is of significant importance for enhanced surface reaction and efficient catalytic performance. Herein, hierarchical Co x Ni y Fe z P with precise control of stoichiometric metallic elements (x:y:z = (1-10):(1-10):1) has been synthesized, and Co1.3Ni0.5Fe0.2P, as the most optimal composition, exhibits remarkable catalytic activity (η = 320 mV at 10 mA cm-2) and long-term stability (ignorable decrease after 10 h continuous test at the current density of 10 mA cm-2) toward oxygen evolution reaction (OER). It is found that the surface P in Co1.3Ni0.5Fe0.2P was replaced by O under the OER process. The density function theory calculations before and after long-term stability tests suggest the clear increasing of the density of states near the Fermi level of Co1.3Ni0.5Fe0.2P/Co1.3Ni0.5Fe0.2O, which could enhance the OH- adsorption of our electrocatalysts and the corresponding OER performance. ELECTRONIC SUPPLEMENTARY MATERIAL Supplementary material is available in the online version of this article at 10.1007/s40843-022-2061-x.
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Affiliation(s)
- Jiangbo Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070 China
| | - Jie Ying
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082 China
| | - Yuxuan Xiao
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082 China
| | - Yuan Dong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070 China
| | - Kenneth I. Ozoemena
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag 3, Johannesburg, 2050 South Africa
| | - Silvia Lenaerts
- Research Group Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Antwerp, 2020 Belgium
| | - Xiaoyu Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering & Shenzhen Research Institute & Joint Laboratory for Marine Advanced Materials in Pilot National Laboratory for Marine Science and Technology (Qingdao), Wuhan University of Technology, Wuhan, 430070 China
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138 USA
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18
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Qiao M, Wu H, Meng FY, Zhuang Z, Wang JX. Defect-Rich, Highly Porous PtAg Nanoflowers with Superior Anti-Poisoning Ability for Efficient Methanol Oxidation Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106643. [PMID: 35224851 DOI: 10.1002/smll.202106643] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/18/2022] [Indexed: 06/14/2023]
Abstract
The design of efficient and sustainable Pt-based catalysts is the key to the development of direct methanol fuel cells. However, most Pt-based catalysts still exhibit disadvantages including unsatisfied catalytic activity and serious CO poisoning in the methanol oxidation reaction (MOR). Herein, highly porous PtAg nanoflowers (NFs) with rich defects are synthesized by using liquid reduction combining chemical etching. It is demonstrated that the proportion of precursors determines the inhomogeneity of alloy elements, and the strong corrosiveness of nitric acid to silver leads to the eventual porous flower-like structure. Impressively, the optimal etched Pt1 Ag2 NFs have the mixed defects of surface steps, dislocations, and bulk holes, and their mass activity (1136 mA mgPt-1 ) is 2.6 times higher than that of commercial Pt/C catalysts, while the ratio of forward and backward peak current density (If /Ib ) can reach 3.2, exhibiting an excellent anti-poisoning ability. Density functional theory calculations further verify their high anti-poison properties from both an adsorption and an oxidation perspective of CO intermediate. The introduction of Ag makes it easier for CO to be oxidized and removed. This study provides a facile approach to prepare rich defects and porous alloy with excellent MOR performance and superior anti-poisoning ability.
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Affiliation(s)
- Meng Qiao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Hao Wu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Fan-Yi Meng
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhongbin Zhuang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jie-Xin Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
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19
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Microstructure Characterization and Battery Performance Comparison of MOF-235 and TiO2-P25 Materials. CRYSTALS 2022. [DOI: 10.3390/cryst12020152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The growing interest in energy storage has led to the urgent need for the development of high-performance cathode electrodes. The commercialized materials MOF-235 and TiO2-P25 exhibit characteristics that may be suitable as electrodes but there are inherent challenges that have yet to be addressed in the literature. In this study, a high-pressure hydrothermal synthesized MOF-235 and sol-gel-made TiO2-P25 were tested for battery performance. The results indicate that MOF-235 does not possess the desired performance due to uncontrollable agglomeration. On the other hand, TiO2-P25 showed good cycling life, and the performance can be further optimized by doping and minimizing the particle size. Additionally, SEM and TEM were applied for surface characterization, providing evidence that mesoporous TiO2-25 inhibits photo-generated carrier recombination. The mesoporous energy storage mechanism of those two materials is also discussed. This research will provide technical support for the industrialization of those two mesoporous materials.
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20
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Liu Y, Yu HZ, Wang Y, Tian G, Zhou L, Cordoba de Torresi S, Ozoemena KI, Yang XY. Hierarchically Fractal Co with Highly Exposed Active Facets and Directed Electron-Transfer Effect. Chem Commun (Camb) 2022; 58:6882-6885. [DOI: 10.1039/d2cc02141b] [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
Hierarchically fractal Co with highly exposed active (002) facets, possessing higher work function and more moderate hygrogen adsorption free energy, has been synthesized via template-free self-assembly method for directed electron-transfer...
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21
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Wang J, Wei J, An C, Tang H, Deng Q, Li J. Electrocatalyst Design for Conversion of Energy Molecules: Electronic State Modulation and Mass Transport Regulation. Chem Commun (Camb) 2022; 58:10907-10924. [DOI: 10.1039/d2cc03630d] [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
Electrocatalytic conversions of energy molecules are involved in many energy conversion processes. Improving the activity of electrocatalyst is critical for increasing the efficiency of these energy conversion processes. However, the...
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22
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Ying J, Wang H. Strategies for Developing Transition Metal Phosphides in Electrochemical Water Splitting. Front Chem 2021; 9:700020. [PMID: 34805087 PMCID: PMC8595924 DOI: 10.3389/fchem.2021.700020] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 08/20/2021] [Indexed: 11/13/2022] Open
Abstract
Electrochemical water splitting involving hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is a greatly promising technology to generate sustainable and renewable energy resources, which relies on the exploration regarding the design of electrocatalysts with high efficiency, high stability, and low cost. Transition metal phosphides (TMPs), as nonprecious metallic electrocatalysts, have been extensively investigated and proved to be high-efficient electrocatalysts in both HER and OER. In this minireview, a general overview of recent progress in developing high-performance TMP electrocatalysts for electrochemical water splitting has been presented. Design strategies including composition engineering by element doping, hybridization, and tuning the molar ratio, structure engineering by porous structures, nanoarray structures, and amorphous structures, and surface/interface engineering by tuning surface wetting states, facet control, and novel substrate are summarized. Key scientific problems and prospective research directions are also briefly discussed.
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Affiliation(s)
- Jie Ying
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, China
| | - Huan Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, China
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23
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Nano-SiO 2 and Silane Coupling Agent Co-Decorated Graphene Oxides with Enhanced Anti-Corrosion Performance of Epoxy Composite Coatings. Int J Mol Sci 2021; 22:ijms222011087. [PMID: 34681743 PMCID: PMC8537813 DOI: 10.3390/ijms222011087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/10/2021] [Accepted: 10/11/2021] [Indexed: 11/17/2022] Open
Abstract
Coatings are of great significance for irons and steels in regards to the harsh marine environment. Graphene oxides (GO) have been considered as an ideal filler material of epoxy coating. However, the undesired dispersion in the epoxy together with easy agglomeration and stacking remain great problems for practical application of GO composited epoxy coatings. A method that can effectively solve both self-aggregation and poor dispersion of GO is highly desired. Herein, we present a high dispersion strategy of graphene oxides in epoxy by co-decoration of nano-SiO2 and silane coupling agent. The co-decorated GO filled epoxy coating exhibits high anti-corrosion performance, including high electrochemical impedance, high self-corrosive potential, low self-corrosive current, and superior electrochemical impedance stability for ten days to Q235 carbon steel. This work displays new possibilities for designing novel coating materials with high performance toward practical marine anti-corrosion applications.
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24
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Ying J. Atomic-Scale Design of High-Performance Pt-Based Electrocatalysts for Oxygen Reduction Reaction. Front Chem 2021; 9:753604. [PMID: 34604177 PMCID: PMC8481695 DOI: 10.3389/fchem.2021.753604] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 08/23/2021] [Indexed: 11/13/2022] Open
Abstract
Fuel cells are regarded as one of the most promising energy conversion devices because of their high energy density and zero emission. Development of high-performance Pt-based electrocatalysts for the oxygen reduction reaction (ORR) is vital to the commercial application of these fuel cell devices. Herein, we review the most significant breakthroughs in the development of high-performance Pt-based ORR electrocatalysts in the past decade. Novel and preferred nanostructures, including biaxially strained core-shell nanoplates, ultrafine jagged nanowires, nanocages with subnanometer-thick walls and nanoframes with three-dimensional surfaces, for excellent performance in ORR are emphasized. Important effects of strain, particle proximity, and surface morphology are fully discussed. The remaining changes and prospective research directions are also proposed.
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Affiliation(s)
- Jie Ying
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, China
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