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Huang H, Ning S, Xie Y, He Z, Teng J, Chen Z, Fan Y, Shi JY, Barboiu M, Wang D, Su CY. Synergistic Modulation of Electronic Interaction to Enhance Intrinsic Activity and Conductivity of Fe-Co-Ni Hydroxide Nanotube for Highly Efficient Oxygen Evolution Electrocatalyst. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302272. [PMID: 37127855 DOI: 10.1002/smll.202302272] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/14/2023] [Indexed: 05/03/2023]
Abstract
The large-scale hydrogen production and application through electrocatalytic water splitting depends crucially on the development of highly efficient, cost-effective electrocatalysts for oxygen evolution reaction (OER), which, however, remains challenging. Here, a new electrocatalyst of trimetallic Fe-Co-Ni hydroxide (denoted as FeCoNiOx Hy ) with a nanotubular structure is developed through an enhanced Kirkendall process under applied potential. The FeCoNiOx Hy features synergistic electronic interaction between Fe, Co, and Ni, which not only notably increases the intrinsic OER activity of FeCoNiOx Hy by facilitating the formation of *OOH intermediate, but also substantially improves the intrinsic conductivity of FeCoNiOx Hy to facilitate charge transfer and activate catalytic sites through electrocatalyst by promoting the formation of abundant Co3+ . Therefore, FeCoNiOx Hy delivers remarkably accelerated OER kinetics and superior apparent activity, indicated by an ultra-low overpotential potential of 257 mV at a high current density of 200 mA cm-2 . This work is of fundamental and practical significance for synergistic catalysis related to advanced energy conversion materials and technologies.
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Affiliation(s)
- Huanfeng Huang
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Shunlian Ning
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Yanyu Xie
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Zhujie He
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Jun Teng
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Zhuodi Chen
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Yanan Fan
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Jian-Ying Shi
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Mihail Barboiu
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
- Adaptive Supramolecular Nanosystems Group, Institut Europeen des Membranes, University of Montpellier, ENSCM-CNRS, Place E. Bataillon CC047, Montpellier, 34095, France
| | - Dawei Wang
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Cheng-Yong Su
- Lehn Institute of Functional Materials, School of Chemistry, MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
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Metallocavitins as Advanced Enzyme Mimics and Promising Chemical Catalysts. Catalysts 2023. [DOI: 10.3390/catal13020415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
The supramolecular approach is becoming increasingly dominant in biomimetics and chemical catalysis due to the expansion of the enzyme active center idea, which now includes binding cavities (hydrophobic pockets), channels and canals for transporting substrates and products. For a long time, the mimetic strategy was mainly focused on the first coordination sphere of the metal ion. Understanding that a highly organized cavity-like enzymatic pocket plays a key role in the sophisticated functionality of enzymes and that the activity and selectivity of natural metalloenzymes are due to the effects of the second coordination sphere, created by the protein framework, opens up new perspectives in biomimetic chemistry and catalysis. There are two main goals of mimicking enzymatic catalysis: (1) scientific curiosity to gain insight into the mysterious nature of enzymes, and (2) practical tasks of mankind: to learn from nature and adopt from its many years of evolutionary experience. Understanding the chemistry within the enzyme nanocavity (confinement effect) requires the use of relatively simple model systems. The performance of the transition metal catalyst increases due to its retention in molecular nanocontainers (cavitins). Given the greater potential of chemical synthesis, it is hoped that these promising bioinspired catalysts will achieve catalytic efficiency and selectivity comparable to and even superior to the creations of nature. Now it is obvious that the cavity structure of molecular nanocontainers and the real possibility of modifying their cavities provide unlimited possibilities for simulating the active centers of metalloenzymes. This review will focus on how chemical reactivity is controlled in a well-defined cavitin nanospace. The author also intends to discuss advanced metal–cavitin catalysts related to the study of the main stages of artificial photosynthesis, including energy transfer and storage, water oxidation and proton reduction, as well as highlight the current challenges of activating small molecules, such as H2O, CO2, N2, O2, H2, and CH4.
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Chen Z, Dong S, Wang M, Hu Z, Chen H, Han Y, Yuan D. Construction of 3D Hierarchical Co 3O 4@CoFe-LDH Heterostructures with Effective Interfacial Charge Redistribution for Rechargeable Liquid/Solid Zn-Air Batteries. Inorg Chem 2023; 62:2826-2837. [PMID: 36710494 DOI: 10.1021/acs.inorgchem.2c04154] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Constructing three-dimensional (3D) hierarchical heterostructures is an appealing but challenging strategy to improve the performance of catalysts for electrical energy devices. Here, an efficient and robust flexible self-supporting catalyst, interface coupling of ultrathin CoFe-LDH nanosheets and Co3O4 nanowire arrays on the carbon cloth (CC/Co3O4@CoFe-LDH), was proposed for boosting oxygen evolution reaction (OER) in rechargeable liquid/solid Zn-air batteries (ZABs). The strong interfacial interaction between the CoFe-LDH and Co3O4 heterostructures stimulated the charge redistribution in their coupling regions, which improved the electron conductivity and optimized the adsorption free energy of OER intermediates, ultimately boosting the intrinsic OER performance. Besides, the 3D hierarchical nanoarray structure facilitated the exposure of catalytically active centers and rapid electron/mass transfer during the OER process. As such, the CC/Co3O4@CoFe-LDH catalyst achieved excellent OER catalytic activity in alkaline medium, with a small overpotential of 237 mV at 10 mA cm-2, a low Tafel slope of 35.43 mV dec-1, and long-term durability of up to 48 h, significantly outperforming the commercial RuO2 catalyst. More impressively, the liquid and flexible solid-state ZABs assembled by the CC/Co3O4@CoFe-LDH hybrid catalyst as the OER catalyst presented a stable open circuit voltage, large power density, superb cycling life, and satisfactory flexibility, indicating great potential applications in energy technology. This work provides a good guidance for the development of advanced electrocatalysts with heterostructures and an in-depth understanding of electronic modulation at the heterogeneous interface.
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Affiliation(s)
- Zihao Chen
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071 Shandong, P. R. China
| | - Senjie Dong
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071 Shandong, P. R. China
| | - Minghui Wang
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071 Shandong, P. R. China
| | - Zunpeng Hu
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071 Shandong, P. R. China
| | - Huiling Chen
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071 Shandong, P. R. China
| | - Ye Han
- School of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266071 Shandong, P. R. China
| | - Ding Yuan
- Industrial Research Institute of Nonwovens & Technical Textiles, Shandong Center for Engineered Nonwovens, College of Textiles & Clothing, Qingdao University, Qingdao 266071 Shandong, P. R. China
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Pan Y, Sanati S, Abazari R, Noveiri VN, Gao J, Kirillov AM. Pillared-MOF@NiV-LDH Composite as a Remarkable Electrocatalyst for Water Oxidation. Inorg Chem 2022; 61:20913-20922. [PMID: 36521012 DOI: 10.1021/acs.inorgchem.2c03327] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Oxygen evolution reaction (OER) represents a highly important electrochemical transformation in energy storage and conversion technologies. Considering the low rate of this four-electron half-reaction, there is a demand for efficient, stable, and noble-metal-free electrocatalysts to improve the kinetic and economical parameters. In this work, a new pillared-MOF@NiV-LDH nanocomposite based on a CoII metal-organic framework (pillared-MOF) and heterometallic Ni/V-layered double hydroxide (NiV-LDH) was assembled via a simple protocol, characterized, and explored as an electrocatalyst in OER. A remarkable electrocatalytic efficiency of pillared-MOF@NiV-LDH in 1 M KOH is evidenced by a low overpotential (238 mV at 10 mA cm-2 current density) and a small value of the Tafel slope (62 mV dec-1). These parameters are very close to those of the reference IrO2 electrocatalyst and are superior to the majority of the LDH- and MOF-based systems previously applied for OER. Excellent stability of pillared-MOF@NiV-LDH was confirmed by the chronopotentiometry tests for 70 h and linear-sweep voltammetry after 7000 cycles. Features such as rich electroactive sites, porous structure, high surface area, and synergic effect between pillared-MOF and NiV-LDH are likely responsible for the remarkable electrocatalytic efficiency of this electrocatalyst in OER. Despite prior reports on the application of NiV-LDH in OER, the present study describes the first example where this type of LDH is blended with MOF to generate a nanocomposite material. The interface between the two components of the composite can improve the electronic structure and, in turn, the electrocatalytic behavior. The introduction of this composite paves the way toward the synthesis of other multicomponent materials with potential applications in different energy fields.
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Affiliation(s)
- Yangdan Pan
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Soheila Sanati
- Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh 55181-83111, Iran
| | - Reza Abazari
- Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh 55181-83111, Iran
| | - Vahid Navvar Noveiri
- Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh 55181-83111, Iran
| | - Junkuo Gao
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Alexander M Kirillov
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, Lisbon 1049-001, Portugal
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Xu J, Wang S, Feng Y, Wu P, Tian S, Fang Z, Liu Q, Kong X. Fe Engineering on Ru Nanosheets for Enhanced Hydrogen Evolution in pH-Universal Media. Inorg Chem 2022; 61:11519-11523. [PMID: 35849848 DOI: 10.1021/acs.inorgchem.2c01922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Fe-modified Ru nanosheets are achieved via preintercalated Al species serving as the self-sacrificial template. Benefiting from the amphoteric feature of Al and strong corrosion of Fe3+ ions, Fe is effectively incorporated into pristine Ru nanosheets. Correspondingly, the surface oxophilicity is improved, promoting the Volmer step. The charge density redistribution weakens hydrogen combination on Ru and thus accelerates the desorption kinetics (Heyrovsky step). Meanwhile, more defective sites are exposed, leading to an enhanced hydrogen production in pH-universal electrolytes.
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Affiliation(s)
- Jie Xu
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
| | - Sini Wang
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
| | - Yingrui Feng
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
| | - Peikun Wu
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
| | - Siyu Tian
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
| | - Zhenguo Fang
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
| | - Qiangchun Liu
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
| | - Xiangkai Kong
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic China
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