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Keshipour S, Eyvari‐Ashnak F. Nitrogen‐Doped Electrocatalysts, and Photocatalyst in Water Splitting: Effects, and Doping Protocols. ChemElectroChem 2023. [DOI: 10.1002/celc.202201153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Sajjad Keshipour
- Department of Nanotechnology, Faculty of Chemistry Urmia University Urmia 5756151818 Iran
| | - Faezeh Eyvari‐Ashnak
- Department of Nanotechnology, Faculty of Chemistry Urmia University Urmia 5756151818 Iran
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Liu Z, Li M, Xia Y, Chen C, Ning J, Xi X, Long Y, Li Z, Yang D, Dong A. Self-assembled mesostructured Co 0.5Fe 2.5O 4 nanoparticle superstructures for highly efficient oxygen evolution. J Colloid Interface Sci 2021; 593:125-132. [PMID: 33744523 DOI: 10.1016/j.jcis.2021.02.126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/25/2021] [Accepted: 02/28/2021] [Indexed: 11/17/2022]
Abstract
Self-assembly of colloidal nanoparticles (NPs) into well-defined superstructures has been recognized as one of the most promising ways to fabricate rationally-designed functional materials for a variety of applications. Introducing hierarchical mesoporosity into NP superstructures will facilitate mass transport while simultaneously enhancing the accessibility of constituent NPs, which is of critical importance for widening their applications in catalysis and energy-related fields. Herein, we develop a colloidal co-assembly strategy to construct mesostructured, carbon-coated Co0.5Fe2.5O4 NP superstructures (M-C@CFOSs), which show great promise as highly efficient electrocatalysts for the oxygen evolution reaction (OER). Specifically, organically-stabilized SiO2 NPs are employed as both building blocks and sacrificial template, which co-assemble with Co0.5Fe2.5O4 NPs to afford binary NP superstructures through a solvent drying process. M-C@CFOSs are obtainable after in situ ligand carbonization followed by the selective removal of SiO2 NPs. The hierarchical mesoporous structure of M-C@CFOSs, combined with the conformal graphitic carbon coating derived from the native organic ligands, significantly improves their electrocatalytic performance as OER electrocatalysts when compared with nonporous Co0.5Fe2.5O4 NP superstructures. This work establishes a new and facile approach for designing NP superstructures with hierarchical mesoporosity, which may find wide applications in energy storage and conversion.
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Affiliation(s)
- Zihan Liu
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Mingzhong Li
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Yan Xia
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Chen Chen
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Jing Ning
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Xiangyun Xi
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Ying Long
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Zhicheng Li
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Dong Yang
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai 200438, China.
| | - Angang Dong
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200438, China.
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Guo M, He M, Li X, Zheng Q, Xie F, Xu C, Lin D. CoMnFe hydroxysulfide nanowire@Ni(OH)2 nanorod arrays as self-supporting electrodes for high-efficiency oxygen evolution reaction. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136793] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Wang J, Gao Y, Kong H, Kim J, Choi S, Ciucci F, Hao Y, Yang S, Shao Z, Lim J. Non-precious-metal catalysts for alkaline water electrolysis: operando characterizations, theoretical calculations, and recent advances. Chem Soc Rev 2020; 49:9154-9196. [DOI: 10.1039/d0cs00575d] [Citation(s) in RCA: 197] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Advances of non-precious-metal catalysts for alkaline water electrolysis are reviewed, highlighting operando techniques and theoretical calculations in their development.
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Affiliation(s)
- Jian Wang
- Department of Chemistry
- Seoul National University
- Seoul
- South Korea
| | - Yang Gao
- College of Materials Science and Engineering
- Hunan University
- Changsha 410082
- China
| | - Hui Kong
- School of Mechanical Engineering
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Juwon Kim
- Department of Chemistry
- Seoul National University
- Seoul
- South Korea
| | - Subin Choi
- Department of Chemistry
- Seoul National University
- Seoul
- South Korea
| | - Francesco Ciucci
- Department of Mechanical and Aerospace Engineering
- The Hong Kong University of Science and Technology
- Hong Kong
- China
- Department of Chemical and Biological Engineering
| | - Yong Hao
- Institute of Engineering Thermophysics
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Shihe Yang
- Guangdong Provincial Key Lab of Nano-Micro Material Research, School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Zongping Shao
- State Key Laboratory of Materials-Oriented Chemical Engineering
- College of Chemistry & Chemical Engineering
- Nanjing Tech University
- Nanjing 210009
- China
| | - Jongwoo Lim
- Department of Chemistry
- Seoul National University
- Seoul
- South Korea
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Barati Darband G, Aliofkhazraei M, Sabour Rouhaghdam A. Three-dimensional porous Ni-CNT composite nanocones as high performance electrocatalysts for hydrogen evolution reaction. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.10.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Gao M, Bao Y, Qian Y, Deng Y, Li Y, Chen G. Porous Anatase-TiO 2(B) Dual-Phase Nanorods Prepared from in Situ Pyrolysis of a Single Molecule Precursor Offer High Performance Lithium-Ion Storage. Inorg Chem 2018; 57:12245-12254. [PMID: 30211546 DOI: 10.1021/acs.inorgchem.8b01948] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
To overcome the problems faced by TiO2 materials for lithium-ion batteries usage, such as easy nanoparticles agglomeration during cycling and poor cycling performance, in this study, TiO2 nanorods with the controlled phase compositions are prepared via direct pyrolysis of single molecule precursors in combination with a simple washing process. By tuning the external cations in the single source precursors, three TiO2 samples in a nanorod shape with the compositions of pure anatase, anatase-rutile dual phase, and anatase-TiO2(B) dual phase are synthesized successfully. High-resolution transmission electron microscopy, X-ray powder diffraction, and Raman measurements confirm the phase structures and compositions of the three prepared samples. The electrochemical results manifest that all the three nanorod-shaped TiO2 samples show the long-term cycling stability as negative materials for LIBs. Among them, the TiO2 sample with the combination of the anatase and TiO2-B phase shows the best performance, with the specific capacity of ∼184, 164, 140, 105, 80, and 60 mAh g-1 at 0.1, 0.3, 0.5, 1.5, 3.0, and 5.0 A g-1, respectively, and showing no capacity loss and low resistance after 1000 cycles at 1.5 A g-1. By the analysis of the cyclic voltammetry results recorded from different scan rates, the lithium-ion storage mechanism is clarified, which is dominated by the semi-infinite linear diffusion (anatase phase) in combination with the partial surface pseudocapacitive contribution [TiO2(B) phase]. As a result, this sample shows a great potential as a negative material for LIBs because of its electrochemical stability, high specific capacity, and superior rate capability. The proof-of-concept design of the anatase and TiO2-B dual phase may provide a new strategy for the synthesis of high performance TiO2-based anode material for LIBs.
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Affiliation(s)
- Man Gao
- The Key Laboratory of Fuel Cell for Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou , 510640 , China
| | - Yubo Bao
- The Key Laboratory of Fuel Cell for Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou , 510640 , China
| | - Yunxian Qian
- The Key Laboratory of Fuel Cell for Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou , 510640 , China
| | - Yuanfu Deng
- The Key Laboratory of Fuel Cell for Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou , 510640 , China.,Electrochemical Energy Engineering Research Center of Guangdong Province , Guangzhou , 510640 , China
| | - Yingwei Li
- The Key Laboratory of Fuel Cell for Guangdong Province, School of Chemistry and Chemical Engineering , South China University of Technology , Guangzhou , 510640 , China
| | - Guohua Chen
- Department of Mechanical Engineering , The Hong Kong Polytechnic University , Hung Hom , Kowloon , Hong Kong , China
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