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Tian X, Xu M, Ma X, Mu G, Xiao J, Wang S. General and Facile Synthesis of Co/CoO Nanoparticals Supported by Nitrogen-Doped Graphenic Networks as Efficient Oxygen Electrocatalyst for Zn-Air Batteries. CHEMSUSCHEM 2024:e202400570. [PMID: 38610068 DOI: 10.1002/cssc.202400570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 04/12/2024] [Indexed: 04/14/2024]
Abstract
Reasonable design of low-cost, high-efficiency and stable bifunctional oxygen electrocatalysts is of great significance to improve the reaction efficiency of Zn-air batteries, which is still a huge challenge. Here, we report a highly efficient bifunctional oxygen electrocatalyst with three-dimensional (3D) N-doped graphene network-supported cobalt and cobalt oxide nanoparticles (Co/CoO-NG), which can be in situ synthesized by inducing metal ions on metal plates via graphene oxide as an inducer. This 3D network structure and open active center show excellent bifunctional oxygen electrocatalytic activity under alkaline conditions, and can be used as an air electrode in rechargeable Zn-air batteries, with significantly better power density (244.28 mW cm-2) and stability (over 340 h) than commercial Pt/C+RuO2 mixtures. This work is conducive to advancing the practical application of graphene-based materials as air electrodes for rechargeable zinc-air batteries.
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Affiliation(s)
- Xin Tian
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Mengnan Xu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Xin Ma
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Guanyu Mu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Junwu Xiao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Shuai Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, 300071, P. R. China
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He Y, Zhou X, Jia Y, Li H, Wang Y, Liu Y, Tan Q. Advances in Transition-Metal-Based Dual-Atom Oxygen Electrocatalysts. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206477. [PMID: 37147778 DOI: 10.1002/smll.202206477] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 03/31/2023] [Indexed: 05/07/2023]
Abstract
Oxygen electrocatalysis has aroused considerable interest over the past years because of the new energy technologies boom in hydrogen energy and metal-air battery. However, due to the sluggish kinetic of the four-electron transfer process in oxygen reduction reaction and oxygen evolution reaction, the electro-catalysts are urgently needed to accelerate the oxygen electrocatalysis. Benefit from the high atom utilization efficiency, unprecedentedly high catalytic activity, and selectivity, single-atom catalysts (SACs) are considered the most promising candidate to replace the traditional Pt-group-metal catalysts. Compared with SACs, the dual-atom catalysts (DACs) are attracting more attraction including higher metal loading, more versatile active sites, and excellent catalytic activity. Therefore, it is essential to explore the new universal methods approaching to the preparation, characterization, and to elucidate the catalytic mechanisms of the DACs. In this review, several general synthetic strategies and structural characterization methods of DACs are introduced and the involved oxygen catalytic mechanisms are discussed. Moreover, the state-of-the-art electrocatalytic applications including fuel cells, metal-air batteries, and water splitting have been sorted out at present. The authors hope this review has given some insights and inspiration to the researches about DACs in electro-catalysis.
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Affiliation(s)
- Yuting He
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Xingchen Zhou
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Yufei Jia
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Hongtao Li
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Yi Wang
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Yongning Liu
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Qiang Tan
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
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Liu H, Jin Q, Meng L, Gu H, Liang X, Fan Y, Li Z, Zhang F, Rong H, Zhang J. Cu-based catalysts with the co-existence of single atoms and nanoparticles for basic electrocatalytic oxygen reduction reaction. NANOSCALE 2023; 15:13459-13465. [PMID: 37548298 DOI: 10.1039/d3nr01810e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Developing efficient and stable oxygen reduction reaction (ORR) catalysts to replace the precious Pt/C is very important for the industrial application of proton-exchange membrane fuel cells. Herein, using bismuth-based metal-organic frameworks as the substrate to disperse copper ions, we prepared a catalyst containing both Cu single atoms and Cu nanoparticles (CuSACuNP/BiCN) by a pyrolysis method. In 0.1 M KOH electrolyte, the electrocatalytic ORR performance of CuSACuNP/BiCN was superior to that of commercial Pt/C. With a hierarchical porous architecture, CuSACuNP/BiCN displayed a half-wave potential of 0.86 V vs. RHE and a diffusion-limiting current density of 5.82 mA cm-2 with a four-electron transfer process. In addition, it was stable during a 12-hour durability test. This study provides guidance for the synthesis of advanced Cu-based nano-single-atom catalytic materials for ORR applications.
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Affiliation(s)
- Huimin Liu
- Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Qiong Jin
- Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Lingzhe Meng
- Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Hongfei Gu
- Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Xiao Liang
- Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
| | - Yu Fan
- Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Zhi Li
- College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
| | - Fang Zhang
- Analysis and Testing Center, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Hongpan Rong
- Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Jiatao Zhang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
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Hu M, Ye K, Zhang G, Li X, Jiang J. Insight into the Mechanism for Catalytic Activity of the Oxygen/Hydrogen Evolution Reaction on a Dual-Site Catalyst. J Phys Chem Lett 2023; 14:2201-2207. [PMID: 36812359 DOI: 10.1021/acs.jpclett.3c00168] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The dual-site catalysts consisting of two adjacent single-atom sites on graphene have exhibited promising catalytic activity of the electrochemical oxygen/hydrogen evolution reaction (OER/HER). However, the electrochemical mechanisms of the OER/HER on dual-site catalysts have still been ambiguous. In this work, we employed density functional theory calculations to study the catalytic activity of the OER/HER with a O-O (H-H) direct coupling mechanism on dual-site catalysts. Specifically, these element steps should be classified into two categories: a step evolving proton-coupled electron transfer (PCET step) that needs to be driven by electrode potential and a step without PCET (non-PCET step) that occurs naturally under mild conditions. Our calculated results show that both the maximal free energy change (ΔGMax) contributed by the PCET step and the activity barrier (Ea) of the non-PCET step must be examined to evaluate the catalytic activity of the OER/HER on the dual site. Importantly, it is a basically inevitable negative relationship between ΔGMax and Ea, which would play a critical role in guiding the rational design of effective dual-site catalysts for electrochemical reactions.
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Affiliation(s)
- Min Hu
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Ke Ye
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Guozhen Zhang
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Xiyu Li
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, P. R. China
| | - Jun Jiang
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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Dong Q, Ji S, Wang H, Linkov V, Wang R. Oxygen Spillover Effect at Cu/Fe 2O 3 Heterointerfaces to Enhance Oxygen Electrocatalytic Reactions for Rechargeable Zn-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:51222-51233. [PMID: 36326106 DOI: 10.1021/acsami.2c15769] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Rational design and synthesis of high-performance electrocatalysts for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) are critical for practical application of Zn-air batteries (ZABs). In this work, the bifunctional composite Cu-Fe2O3/PNC was prepared by a simple and effective wet-hydrothermal coupled dry-annealing synthesis strategy. The Cu-Fe2O3/PNC displayed excellent catalytic activity in ORR and OER with a potential difference of 0.63 V. More importantly, the ZAB assembled with Cu-Fe2O3/PNC exhibited a high-power density of 138.00 mW cm-2 and an excellent long-term cyclability. X-ray photoelectron spectroscopy (XPS) demonstrated that the excellent performance is due to the strong electronic interaction between Cu and Fe2O3 that arises as a result of the fast electron transfer through the Cu-O-Fe bond and the higher concentration of surface oxygen vacancies. Meanwhile, the spillover factor Bsp/2zF of Cu/PNC and Cu-Fe2O3/PNC obtained by the rotating disk experiment was 1.00 × 10-7 and 1.10 × 10-7 cm2·s-1, respectively, indicating that the oxygen spillover effect between Cu and Fe2O3 lowers the energy barrier, increases the number of active sites, and alters the rate-determining reaction step. This work demonstrated the significant potential of Cu-Fe2O3/PNC in energy conversion and storage applications, providing a new perspective for the rational design of bifunctional electrocatalysts.
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Affiliation(s)
- Qing Dong
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao266042, China
| | - Shan Ji
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing314001, China
| | - Hui Wang
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao266042, China
| | - Vladimir Linkov
- South African Institute for Advanced Material Chemistry, University of the Western Cape, Cape Town7535, South Africa
| | - Rongfang Wang
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao266042, China
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Han J, Johnson I, Chen M. 3D Continuously Porous Graphene for Energy Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108750. [PMID: 34870863 DOI: 10.1002/adma.202108750] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/01/2021] [Indexed: 06/13/2023]
Abstract
Constructing bulk graphene materials with well-reserved 2D properties is essential for device and engineering applications of atomically thick graphene. In this article, the recent progress in the fabrications and applications of sterically continuous porous graphene with designable microstructures, chemistries, and properties for energy storage and conversion are reviewed. Both template-based and template-free methods have been developed to synthesize the 3D continuously porous graphene, which typically has the microstructure reminiscent of pseudo-periodic minimal surfaces. The 3D graphene can well preserve the properties of 2D graphene of being highly conductive, surface abundant, and mechanically robust, together with unique 2D electronic behaviors. Additionally, the bicontinuous porosity and large curvature offer new functionalities, such as rapid mass transport, ample open space, mechanical flexibility, and tunable electric/thermal conductivity. Particularly, the 3D curvature provides a new degree of freedom for tailoring the catalysis and transport properties of graphene. The 3D graphene with those extraordinary properties has shown great promises for a wide range of applications, especially for energy conversion and storage. This article overviews the recent advances made in addressing the challenges of developing 3D continuously porous graphene, the benefits and opportunities of the new materials for energy-related applications, and the remaining challenges that warrant future study.
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Affiliation(s)
- Jiuhui Han
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- Frontier Research Institute for Interdisciplinary Sciences (FRIS), Tohoku University, Sendai, 980-8578, Japan
| | - Isaac Johnson
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Mingwei Chen
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD, 21218, USA
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Zhao M, Gan G, Zhang Q. Different Bonding Defects on Dual-Metal Single-Atom Electrocatalyst CoZnN6(OH) for Oxygen Reduction Reaction. Chemphyschem 2022; 23:e202100902. [PMID: 35170167 DOI: 10.1002/cphc.202100902] [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: 12/22/2021] [Revised: 02/14/2022] [Indexed: 11/11/2022]
Abstract
Since dual-metal single-atom catalyst (CoZnN/C) has been experimentally synthesized by atomically arching CoZn on N-doped carbon nanofibers and exhibited potential electrocatalysis activity toward oxygen reduction reaction (ORR), we perform first-principles calculation to identify the high active sites at different defects by comparing the four-step ORR processes on the constructed four CoZnN 6 models on graphene. The corresponding N-edge effect, dopant effect and C-edge ring-closing effect are evaluated with the ORR evolution on different bonding environments, including pristine CoZnN 6 (OH), nanoribbon (NR) along zigzag direction, substitution of oxygen/carbon (C/O substitution), and C-edge ring-closing configurations. OH-ligand is shown to significantly improve the ORR activities for all the considered structures, especially, C-substituted CoZnN 6 (OH), NR-CoZnN 5 O(OH) and CoZnN 6 (OH) with C-edge-effect exhibit obviously reduced overpotentials (h lim = 0.28, 0.48 and 0.41 V) of RDS among all the considered nine candidates. By plotting the relationship between the limiting potentials (U lim ) and free energies of intermediate *OH (DG OH* ), two prior catalysts of pristine-CoZnN 5 C(OH) and defect-CoZnN 6 CH(OH) are located near the top of the volcano curve with higher U lim = 0.95 and 0.82 V than Pt(111) (U lim = 0.80 V), implying that C-substitution could facilitate ORR performance in pristine- and defect-CoZnN 6 (OH) bonding situation.
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Affiliation(s)
- Mengyuan Zhao
- Kunming University of Science and Technology - Lianhua Campus: Kunming University of Science and Technology, Faculty of Metallurgical and Energy Engineering, CHINA
| | - Guoyou Gan
- Kunming University of Science and Technology, Faculty of Metallurgical and Energy Engineering, CHINA
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Yang H, Xie A, Tang Y, Wang Z, Zhang J, Kong L, Song P, Sun Y, Yang X, Wan P. Fe-ZIF8 Coating Cu Foil Derived Carbon as A pH-universal Electrocatalyst for Efficient Oxygen Reduction Reaction. Chemistry 2021; 28:e202103275. [PMID: 34779065 DOI: 10.1002/chem.202103275] [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: 09/09/2021] [Indexed: 11/08/2022]
Abstract
It is a great challenge to fabricate highly efficient pH-universal electrocatalysts for oxygen reduction reaction (ORR). Herein, a facile strategy, which includes coating the Fe modified ZIF8 on Cu foil and in-situ pyrolysis to evaporate and dope Cu into the MOF derived carbon, is developed to fabricate Fe/Cu-N co-doped carbon material (Cu/Fe-NC). Profiting from the modulated electron distribution and textual properties, well-designed Cu/Fe-NC exhibits superior half-wave potential (E 1/2 ) of 0.923 V in alkaline, 0.757 V in neutral and comparable 0.801 V in acid electrolytes, respectively. Furthermore, the ultralow peroxides yield of ORR demonstrates the high selectivity of Cu/Fe-NC in full pH scale electrolytes. As expected, the self-made alkaline and neutral zinc-air batteries equipped with Cu/Fe-NC cathode display excellent discharge voltages, outstanding peak power densities and remarkable stability. This work opens a new way to fabricate highly efficient and pH-universal electrocatalysts for ORR through strategy of Fe/Cu-N co-doping, Cu foil evaporation and carbon defects capture.
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Affiliation(s)
- Haichao Yang
- Beijing University of Chemical Technology, College of Chemistry, CHINA
| | - Ao Xie
- Beijing University of Chemical Technology, College of Chemistry, CHINA
| | - Yang Tang
- Beijing University of Chemical Technology, Institute of Applied Electrochemistry & Faculty of Science, Beijing city Chaoyang District North Third Ring Road 15, 100029, Beijing, CHINA
| | - Zixiang Wang
- Beijing University of Chemical Technology, College of Chemistry, CHINA
| | - Jinpeng Zhang
- Beijing University of Chemical Technology, College of Chemistry, CHINA
| | - Lingpo Kong
- Mine Materials Branch of China Coal Research Institute, Mine Materials Branch, CHINA
| | - Peng Song
- Beijing University of Technology, Department of Environmental and Chemical Engineering, CHINA
| | - Yanzhi Sun
- Beijing University of Chemical Technology, College of Chemistry, CHINA
| | - Xiaojin Yang
- Beijing University of Chemical Technology, College of Chemical and Engineering, CHINA
| | - Pingyu Wan
- Beijing University of Chemical Technology, College of Chemistry, CHINA
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