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Li W, Lu X, Biney BW, Li J, Yan Y, Chen K. In-situ synthesis of heteroatom-doped hard carbon for sodium-ion batteries: Dual benefits for green energy and environment. J Colloid Interface Sci 2024; 677:312-322. [PMID: 39151224 DOI: 10.1016/j.jcis.2024.07.248] [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: 06/29/2024] [Revised: 07/23/2024] [Accepted: 07/30/2024] [Indexed: 08/19/2024]
Abstract
Heteroatom-doped carbon has been widely investigated as anode materials for sodium-ion batteries (SIBs). However, simplifying the preparation process and precisely controlling their microstructure to achieve excellent Na+ storage performance remain significant challenges. Therefore, in this study, high-performance N, P co-doped Na+ storage carbon anode electrode materials were prepared by one-step carbonization using N, P-rich Eichhornia crassipes (EC) as raw materials and systematically tested for their Na+ storage performance. The doping levels of N and P atoms as well as the spatial structure of the carbon material were adjusted by changing the carbonization temperature during the pyrolysis process. Among them, the anode material corresponding to 1300 °C (EC-PN1300) showed an excellent Na+ storage capacity of 336 ± 4 mAh g-1 (50 mA g-1) and excellent cycling stability (99.8 % retention after 2000 cycles). In addition, the Na+ storage mechanism of EC-PN1300 was systematically analyzed using galvanostatic intermittent titration (GITT), ex-situ XPS and in-situ Raman spectroscopy, providing accurate research directions for developing carbon anode electrode materials with superior electrochemical performance. This study not only provides some insights into the preparation of carbon anode materials in alkali metal batteries and the development of carbon materials in other fields, but also realizes the interaction between environmental protection and new energy development.
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Affiliation(s)
- Weining Li
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong 266580, China
| | - Xiaping Lu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong 266580, China
| | - Bernard Wiafe Biney
- Department of Chemical Engineering, University of Florida, Gainesville, FL 32611, United States
| | - Junfeng Li
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong 266580, China
| | - Yingchun Yan
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong 266580, China.
| | - Kun Chen
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong 266580, China.
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2
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Xiao Y, Tian Y, Xu W, Zhu J. Photodegradation of Microplastics through Nanomaterials: Insights into Photocatalysts Modification and Detailed Mechanisms. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2755. [PMID: 38894019 PMCID: PMC11174110 DOI: 10.3390/ma17112755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024]
Abstract
Microplastics (MPs) pose a profound environmental challenge, impacting ecosystems and human health through mechanisms such as bioaccumulation and ecosystem contamination. While traditional water treatment methods can partially remove microplastics, their limitations highlight the need for innovative green approaches like photodegradation to ensure more effective and sustainable removal. This review explores the potential of nanomaterial-enhanced photocatalysts in addressing this issue. Utilizing their unique properties like large surface area and tunable bandgap, nanomaterials significantly improve degradation efficiency. Different strategies for photocatalyst modification to improve photocatalytic performance are thoroughly summarized, with a particular emphasis on element doping and heterojunction construction. Furthermore, this review thoroughly summarizes the possible fundamental mechanisms driving the photodegradation of microplastics facilitated by nanomaterials, with a focus on processes like free radical formation and singlet oxygen oxidation. This review not only synthesizes critical findings from existing studies but also identifies gaps in the current research landscape, suggesting that further development of these photocatalytic techniques could lead to substantial advancements in environmental remediation practices. By delineating these novel approaches and their mechanisms, this work underscores the significant environmental implications and contributes to the ongoing development of sustainable solutions to mitigate microplastic pollution.
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Affiliation(s)
- Yiting Xiao
- Department of Biological Engineering, University of Arkansas, Fayetteville, AR 72701, USA
| | - Yang Tian
- Program of Material Science and Engineering, University of Arkansas, Fayetteville, AR 72701, USA;
| | - Wenbo Xu
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701, USA;
| | - Jun Zhu
- Department of Biological Engineering, University of Arkansas, Fayetteville, AR 72701, USA
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3
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Yu Y, Wei X, Chen W, Qian G, Chen C, Wang S, Min D. Design of Single-Atom Catalysts for E lectrocatalytic Nitrogen Fixation. CHEMSUSCHEM 2024; 17:e202301105. [PMID: 37985420 DOI: 10.1002/cssc.202301105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 11/22/2023]
Abstract
The Electrochemical nitrogen reduction reaction (ENRR) can be used to solve environmental problems as well as energy shortage. However, ENRR still faces the problems of low NH3 yield and low selectivity. The NH3 yield and selectivity in ENRR are affected by multiple factors such as electrolytic cells, electrolytes, and catalysts, etc. Among these catalysts are at the core of ENRR research. Single-atom catalysts (SACs) with intrinsic activity have become an emerging technology for numerous energy regeneration, including ENRR. In particular, regulating the microenvironment of SACs (hydrogen evolution reaction inhibition, carrier engineering, metal-carrier interaction, etc.) can break through the limitation of intrinsic activity of SACs. Therefore, this Review first introduces the basic principles of NRR and outlines the key factors affecting ENRR. Then a comprehensive summary is given of the progress of SACs (precious metals, non-precious metals, non-metallic) and diatomic catalysts (DACs) in ENRR. The impact of SACs microenvironmental regulation on ENRR is highlighted. Finally, further research directions for SACs in ENRR are discussed.
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Affiliation(s)
- Yuanyuan Yu
- College of Light Industry and Food Engineering, Guangxsi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Xiaoxiao Wei
- College of Light Industry and Food Engineering, Guangxsi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Wangqian Chen
- College of Light Industry and Food Engineering, Guangxsi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Guangfu Qian
- College of Light Industry and Food Engineering, Guangxsi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Changzhou Chen
- College of Light Industry and Food Engineering, Guangxsi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Shuangfei Wang
- College of Light Industry and Food Engineering, Guangxsi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
| | - Douyong Min
- College of Light Industry and Food Engineering, Guangxsi University, Nanning, 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, P. R. China
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4
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Li J, Feng Z, Zhou S, Zeng L, Yang X. Activating the room-temperature phosphorescence of carbon dots for the dual-signal detection of tetracycline and information encryption. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 306:123592. [PMID: 37925955 DOI: 10.1016/j.saa.2023.123592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/16/2023] [Accepted: 10/28/2023] [Indexed: 11/07/2023]
Abstract
Carbon dots (CDs) with room-temperature phosphorescence (RTP) attract the numerous explorations owing to their promising prospects in multiple fields, howbeit, their phosphorescence in aqueous barely lasts for long due to the quenching effects originated from the dissolved oxygen, and thus it is of a great challenge to acquire the water-soluble phosphorescent CDs. We here proposed one kind of solid-state RTP CDs through a microwave strategy using tetraethylenepentamine and phosphoric acid as the precursors. Significantly, we further employed tetraethoxysilane (TEOS) as the matrix, which could encapsulate the previous CDs, thus facilitating the formation of the compact structure and activating their long-lived and high-efficiency phosphorescence in aqueous. On the basis of their fluorescence and phosphorescence, a dual-signal strategy of detecting tetracycline by CDs@TEOS was successfully established, and this detection exhibited a fluorescent linear-range of 2 nM to 90 μM as well as a phosphorescent linear-range of 30 nM to 300 μM towards assaying tetracycline, broadening the dual-signal ways of assaying tetracycline. Additionally, the CDs prepared here showed the great potential of serving as the RTP ink for the information encryption.
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Affiliation(s)
- Jiankang Li
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China; Chongqing Academy of Metrology and Quality Inspection, Chongqing 401121, China
| | - Zhiying Feng
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Sen Zhou
- Chongqing Academy of Metrology and Quality Inspection, Chongqing 401121, China.
| | - Linggao Zeng
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, Chongqing Institute for Food and Drug Control, Chongqing 401121, China
| | - Xiaoming Yang
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China.
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5
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Luo Y, Li K, Hu Y, Chen T, Hu J, Feng J, Feng J. Boosting the Performance of Low-Platinum Fuel Cells via a Hierarchical and Interconnected Porous Carbon Support. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4811-4817. [PMID: 38241134 DOI: 10.1021/acsami.3c16637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2024]
Abstract
The design of a low-platinum (Pt) proton-exchange-membrane fuel cell (PEMFC) can reduce its high cost. However, the development of a low-Pt PEMFC is severely hindered by the high oxygen transfer resistance in the catalyst layer. Herein, a carbon with interconnected and hierarchical pores is synthesized as a support for the low-Pt catalyst to lower the oxygen transfer resistance. A H2-air fuel cell assembled by Pt/hierarchical porous carbon shows 1610 mW/cm2 peak power density, 2230 mA/cm2 current density at 0.60 V, and only 18.4 S/m local oxygen transfer resistance with 0.10 mgPt/cm2 Pt loading at the cathode, which far exceeds those of various carbon black supports and commercially used Pt/C catalysts. Both the experimental and simulation results have shown the advancement of hierarchical pores toward the high efficiency of oxygen transportation.
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Affiliation(s)
- Yi Luo
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, 109 De Ya Road, Changsha 410073, Hunan, China
- Department of Aviation Oil and Material, Air Force Logistics Academy, Xuzhou 221000, China
| | - Ke Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Yijie Hu
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, 109 De Ya Road, Changsha 410073, Hunan, China
| | - Teng Chen
- Department of Aviation Oil and Material, Air Force Logistics Academy, Xuzhou 221000, China
| | - Jianqiang Hu
- Department of Aviation Oil and Material, Air Force Logistics Academy, Xuzhou 221000, China
| | - Jian Feng
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, 109 De Ya Road, Changsha 410073, Hunan, China
| | - Junzong Feng
- Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, 109 De Ya Road, Changsha 410073, Hunan, China
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6
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Li N, Guo K, Li M, Shao X, Du Z, Bao L, Yu Z, Lu X. Fullerene Fragment Restructuring: How Spatial Proximity Shapes Defect-Rich Carbon Electrocatalysts. J Am Chem Soc 2023. [PMID: 37922470 DOI: 10.1021/jacs.3c06456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2023]
Abstract
Fullerene transformation emerges as a powerful route to construct defect-rich carbon electrocatalysts, but the carbon bond breakage and reformation that determine the defect states remain poorly understood. Here, we explicitly reveal that the spatial proximity of disintegrated fullerene imposes a crucial impact on the bond reformation and electrocatalytic properties. A counterintuitive hard-template strategy is adopted to enable the space-tuned fullerene restructuring by calcining impregnated C60 not only before but also after the removal of rigid silica spheres (∼300 nm). When confined in the SiO2 nanovoids, the adjacent C60 fragments form sp3 bonding with adverse electron transfer and active site exposure. In contrast, the unrestricted fragments without SiO2 confinement reconnect at the edges to form sp2-hybridized nanosheets while retaining high-density intrinsic defects. The optimized catalyst exhibits robust alkaline oxygen reduction performance with a half-wave potential of 0.82 V via the 4e- pathway. Copper poisoning affirms the intrinsic defects as the authentic active sites. Density functional theory calculations further substantiate that pentagons in the basal plane lead to localized structural distortion and thus exhibit significantly reduced energy barriers for the first O2 dissociation step. Such space-regulated fullerene restructuring is also verified by heating C60 crystals confined in gallium liquid and a quartz tube.
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Affiliation(s)
- Ning Li
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Kun Guo
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Mengyang Li
- School of Physics, Xidian University, Xi'an 710071, China
| | - Xiudi Shao
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhiling Du
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Lipiao Bao
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhixin Yu
- Department of Energy and Petroleum Engineering, University of Stavanger, 4036 Stavanger, Norway
| | - Xing Lu
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
- School of Chemistry and Chemical Engineering, Hainan University, Haikou 570228, China
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7
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Pawelski D, Plonska-Brzezinska ME. Microwave-Assisted Synthesis as a Promising Tool for the Preparation of Materials Containing Defective Carbon Nanostructures: Implications on Properties and Applications. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6549. [PMID: 37834689 PMCID: PMC10573823 DOI: 10.3390/ma16196549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/27/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023]
Abstract
In this review, we focus on a small section of the literature that deals with the materials containing pristine defective carbon nanostructures (CNs) and those incorporated into the larger systems containing carbon atoms, heteroatoms, and inorganic components.. Briefly, we discuss only those topics that focus on structural defects related to introducing perturbation into the surface topology of the ideal lattice structure. The disorder in the crystal structure may vary in character, size, and location, which significantly modifies the physical and chemical properties of CNs or their hybrid combination. We focus mainly on the method using microwave (MW) irradiation, which is a powerful tool for synthesizing and modifying carbon-based solid materials due to its simplicity, the possibility of conducting the reaction in solvents and solid phases, and the presence of components of different chemical natures. Herein, we will emphasize the advantages of synthesis using MW-assisted heating and indicate the influence of the structure of the obtained materials on their physical and chemical properties. It is the first review paper that comprehensively summarizes research in the context of using MW-assisted heating to modify the structure of CNs, paying attention to its remarkable universality and simplicity. In the final part, we emphasize the role of MW-assisted heating in creating defects in CNs and the implications in designing their properties and applications. The presented review is a valuable source summarizing the achievements of scientists in this area of research.
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Affiliation(s)
| | - Marta E. Plonska-Brzezinska
- Department of Organic Chemistry, Faculty of Pharmacy with the Division of Laboratory Medicine, Medical University of Bialystok, Mickiewicza 2A, 15-222 Bialystok, Poland;
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8
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Tian Y, Deng D, Xu L, Li M, Chen H, Wu Z, Zhang S. Strategies for Sustainable Production of Hydrogen Peroxide via Oxygen Reduction Reaction: From Catalyst Design to Device Setup. NANO-MICRO LETTERS 2023; 15:122. [PMID: 37160560 PMCID: PMC10169199 DOI: 10.1007/s40820-023-01067-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/06/2023] [Indexed: 05/11/2023]
Abstract
An environmentally benign, sustainable, and cost-effective supply of H2O2 as a rapidly expanding consumption raw material is highly desired for chemical industries, medical treatment, and household disinfection. The electrocatalytic production route via electrochemical oxygen reduction reaction (ORR) offers a sustainable avenue for the on-site production of H2O2 from O2 and H2O. The most crucial and innovative part of such technology lies in the availability of suitable electrocatalysts that promote two-electron (2e-) ORR. In recent years, tremendous progress has been achieved in designing efficient, robust, and cost-effective catalyst materials, including noble metals and their alloys, metal-free carbon-based materials, single-atom catalysts, and molecular catalysts. Meanwhile, innovative cell designs have significantly advanced electrochemical applications at the industrial level. This review summarizes fundamental basics and recent advances in H2O2 production via 2e--ORR, including catalyst design, mechanistic explorations, theoretical computations, experimental evaluations, and electrochemical cell designs. Perspectives on addressing remaining challenges are also presented with an emphasis on the large-scale synthesis of H2O2 via the electrochemical route.
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Affiliation(s)
- Yuhui Tian
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Gold Coast, Queensland, 4222, Australia
| | - Daijie Deng
- Institute for Energy Research, School of Chemistry and Chemical Engineering, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang, 212013, People's Republic of China
| | - Li Xu
- Institute for Energy Research, School of Chemistry and Chemical Engineering, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang, 212013, People's Republic of China
| | - Meng Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
| | - Hao Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
| | - Zhenzhen Wu
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Gold Coast, Queensland, 4222, Australia
| | - Shanqing Zhang
- Centre for Catalysis and Clean Energy, School of Environment and Science, Griffith University, Gold Coast Campus, Gold Coast, Queensland, 4222, Australia.
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9
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Xie H, Feng Y, He X, Zhu Y, Li Z, Liu H, Zeng S, Qian Q, Zhang G. Construction of Nitrogen-Doped Biphasic Transition-Metal Sulfide Nanosheet Electrode for Energy-Efficient Hydrogen Production via Urea Electrolysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207425. [PMID: 36703521 DOI: 10.1002/smll.202207425] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/09/2023] [Indexed: 06/18/2023]
Abstract
Urea-assisted hybrid water splitting is a promising technology for hydrogen (H2 ) production, but the lack of cost-effective electrocatalysts hinders its extensive application. Herein, it is reported that Nitrogen-doped Co9 S8 /Ni3 S2 hybrid nanosheet arrays on nickel foam (N-Co9 S8 /Ni3 S2 /NF) can act as an active and robust bifunctional catalyst for both urea oxidation reaction (UOR) and hydrogen evolution reaction (HER), which could drive an ultrahigh current density of 400 mA cm-2 at a low working potential of 1.47 V versus RHE for UOR, and gives a low overpotential of 111 mV to reach 10 mA cm-2 toward HER. Further, a hybrid water electrolysis cell utilizing the synthesized N-Co9 S8 /Ni3 S2 /NF electrode as both the cathode and anode displays a low cell voltage of 1.40 V to reach 10 mA cm-2 , which can be powered by an AA battery with a nominal voltage of 1.5 V. The density functional theory (DFT) calculations decipher that N-doped heterointerfaces can synergistically optimize Gibbs free energy of hydrogen and urea, thus accelerating the catalytic kinetics of HER and UOR. This work significantly advances the development of the promising cobalt-nickel-based sulfide as a bifunctional electrocatalyst for energy-saving electrolytic H2 production and urea-rich innocent wastewater treatment.
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Affiliation(s)
- Hui Xie
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yafei Feng
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Xiaoyue He
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yin Zhu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Ziyun Li
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Huanhuan Liu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Suyuan Zeng
- Department of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, P. R. China
| | - Qizhu Qian
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Genqiang Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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10
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Liu H, Liu C, Zong X, Wang Y, Hu Z, Zhang Z. Role of the Support Effects in Single-Atom Catalysts. Chem Asian J 2023; 18:e202201161. [PMID: 36635222 DOI: 10.1002/asia.202201161] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/14/2023]
Abstract
In recent years, single-atom catalysts (SACs) have received a significant amount of attention due to their high atomic utilization, low cost, high reaction activity, and selectivity for multiple catalytic reactions. Unfortunately, the high surface free energy of single atoms leads them easily migrated and aggregated. Therefore, support materials play an important role in the preparation and catalytic performance of SACs. Aiming at understanding the relationship between support materials and the catalytic performance of SACs, the support effects in SACs are introduced and reviewed herein. Moreover, special emphasis is placed on exploring the influence of the type and structure of supports on SAC catalytic performance through advanced characterization and theoretical research. Future research directions for support materials are also proposed, providing some insight into the design of SACs with high efficiency and high loading.
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Affiliation(s)
- Huimin Liu
- Key Laboratory for Functional Material, School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
| | - Chang Liu
- Key Laboratory for Functional Material, School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
| | - Xing Zong
- School of Materials and Metallurgy, University of Science and Technology Liaoning Anshan, Liaoning, 114051, P. R. China
| | - Yongfei Wang
- Key Laboratory for Functional Material, School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China.,School of Materials and Metallurgy, University of Science and Technology Liaoning Anshan, Liaoning, 114051, P. R. China
| | - Zhizhi Hu
- Key Laboratory for Functional Material, School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
| | - Zhiqiang Zhang
- Key Laboratory for Functional Material, School of Chemical Engineering, University of Science and Technology Liaoning, 185 Qianshan Zhong Road, Anshan, 114051, P. R. China
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11
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Apebende CG, Louis H, Owen AE, Benjamin I, Amodu IO, Gber TE, Asogwa FC. Adsorption properties of metal functionalized fullerene (C 59Au, C 59Hf, C 59Ag, and C 59Ir) nanoclusters for application as a biosensor for hydroxyurea (HXU): insight from theoretical computation. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2022-0126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
This theoretical study was conducted to evaluate the efficiency of fullerene C60 and its metal functionalized nano clusters (C59Au, C59Hf, C59Ag and C59Ir) as a sensor for hydroxyurea (HXU). The various conclusions concerning the adsorption and sensing properties of the studied nano surfaces were achieved using density functional theory (DFT) at the M062X-D3/gen/LanL2DZ/def2svp level of theory. Among the nano clusters studied for this interaction, analysis of the HOMO–LUMO energy differences (E
g) showed that HXU@C59Hg (H2) reflects the least energy gap of 3.042 eV, indicating its greater reactivity, sensitivity and conductivity. Also, the adsorption phenomenon in this current study is best described as chemisorptions owing to the negative adsorption enthalpies observed. Thus, the adsorption energy (E
Ad) follows an increasing pattern of: HXU@C60 (C1) (−0.218 eV) < HXU@C59Ir (I1) (−1.361 eV) < HXU@C59Au (A1) (−1.986 eV) < HXU@C59Hf (H1) (−2.640 eV) < HXU@C59Hg (H2) (−3.347 eV). Least E
g, highest E
Ad and non-covalent nature of interaction attributed to C59Hg surface are sufficient to show that, among all studied surfaces, C59Hg surface emerged as the most suitable adsorbent for the adsorption of HXU. Hence, it can be used in modeling future adsorbent material for hydroxyurea.
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Affiliation(s)
- Chioma G. Apebende
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Hitler Louis
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Aniekan E. Owen
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
| | - Innocent Benjamin
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Microbiology, Faculty of Biological Sciences , University of Calabar , Calabar , Nigeria
| | - Ismail O. Amodu
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Mathematics, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Terkumbur E. Gber
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
| | - Fredrick C. Asogwa
- Computational and Bio-Simulation Research Group , University of Calabar , Calabar , Nigeria
- Department of Pure and Applied Chemistry, Faculty of Physical Sciences , University of Calabar , Calabar , Nigeria
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12
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Tong Y, Wang L, Hou F, Dou SX, Liang J. Electrocatalytic Oxygen Reduction to Produce Hydrogen Peroxide: Rational Design from Single-Atom Catalysts to Devices. ELECTROCHEM ENERGY R 2022; 5:7. [PMID: 37522152 PMCID: PMC9437407 DOI: 10.1007/s41918-022-00163-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/27/2021] [Accepted: 09/25/2021] [Indexed: 10/26/2022]
Abstract
Electrocatalytic production of hydrogen peroxide (H2O2) via the 2e- transfer route of the oxygen reduction reaction (ORR) offers a promising alternative to the energy-intensive anthraquinone process, which dominates current industrial-scale production of H2O2. The availability of cost-effective electrocatalysts exhibiting high activity, selectivity, and stability is imperative for the practical deployment of this process. Single-atom catalysts (SACs) featuring the characteristics of both homogeneous and heterogeneous catalysts are particularly well suited for H2O2 synthesis and thus, have been intensively investigated in the last few years. Herein, we present an in-depth review of the current trends for designing SACs for H2O2 production via the 2e- ORR route. We start from the electronic and geometric structures of SACs. Then, strategies for regulating these isolated metal sites and their coordination environments are presented in detail, since these fundamentally determine electrocatalytic performance. Subsequently, correlations between electronic structures and electrocatalytic performance of the materials are discussed. Furthermore, the factors that potentially impact the performance of SACs in H2O2 production are summarized. Finally, the challenges and opportunities for rational design of more targeted H2O2-producing SACs are highlighted. We hope this review will present the latest developments in this area and shed light on the design of advanced materials for electrochemical energy conversion. Graphical abstract
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Affiliation(s)
- Yueyu Tong
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, China
- Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW 2500 Australia
| | - Liqun Wang
- Applied Physics Department, College of Physics and Materials Science, Tianjin Normal University, Tianjin, China
| | - Feng Hou
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, China
| | - Shi Xue Dou
- Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW 2500 Australia
| | - Ji Liang
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, China
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13
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Zhang E, Wu YC, Shao H, Klimavicius V, Zhang H, Taberna PL, Grothe J, Buntkowsky G, Xu F, Simon P, Kaskel S. Unraveling the Capacitive Charge Storage Mechanism of Nitrogen-Doped Porous Carbons by EQCM and ssNMR. J Am Chem Soc 2022; 144:14217-14225. [PMID: 35914237 DOI: 10.1021/jacs.2c04841] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Fundamental understanding of ion electroadsorption processes in porous electrodes on a molecular level provides important guidelines for next-generation energy storage devices like electric double layer capacitors (EDLCs). Porous carbons functionalized by heteroatoms show enhanced capacitive performance, but the underlying mechanism is still elusive, due to the lack of reliable tools to precisely identify multiple N species and establish clear structure property relations. Here, we use advanced analytical techniques such as low-temperature solid-state NMR (ssNMR) and electrochemical quartz crystal microbalance (EQCM) to relate the complex nitrogen functionalities to the charging mechanisms and capacitive performance. For the first time, it is demonstrated at a molecular level that N-doping strongly influences the electroadsorption mechanism in EDLCs. Without N-doping, anion (SO42-) adsorption-desorption dominates the charging mechanism, whereas after doping, Li+ electroadsorption plays a key role. With the help of EQCM, it is demonstrated that SO42- is strongly immobilized on the N-doped surface, leaving Li+ as the main charge carrier. The smaller size and higher concentration of Li+ compared to SO42- benefit a higher capacitance. Amine/amide N is responsible for high capacitance, but surprisingly the pyridinic, pyrrolic, and graphitic N groups have no significant influence. 2D 1H-15N NMR spectroscopy indicates that the conversion from pyridinium to pyrrolic N gives rise to a slightly decreased capacitance. This work not only demonstrates ssNMR as a powerful tool for surface chemistry characterization of electrode materials but also uncovers the related charging mechanism by EQCM, paving the way toward a comprehensive picture of EDLC chemistry.
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Affiliation(s)
- En Zhang
- Inorganic Chemistry I, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Yih-Chyng Wu
- Université Paul Sabatier, CIRIMAT UMR CNRS 5085, Toulouse 31062, France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, Amiens 80039, France
| | - Hui Shao
- Université Paul Sabatier, CIRIMAT UMR CNRS 5085, Toulouse 31062, France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, Amiens 80039, France
| | - Vytautas Klimavicius
- Institute of Chemical Physics, Vilnius University, Sauletekio av. 3, Vilnius LT-10257, Lithuania.,Eduard-Zintl-Institute for Inorganic and Physical Chemistry, Technical University Darmstadt, Alarich-Weiss-Straße 8, Darmstadt 64287, Germany
| | - Hanyue Zhang
- Inorganic Chemistry I, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | | | - Julia Grothe
- Inorganic Chemistry I, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Gerd Buntkowsky
- Eduard-Zintl-Institute for Inorganic and Physical Chemistry, Technical University Darmstadt, Alarich-Weiss-Straße 8, Darmstadt 64287, Germany
| | - Fei Xu
- Inorganic Chemistry I, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany
| | - Patrice Simon
- Université Paul Sabatier, CIRIMAT UMR CNRS 5085, Toulouse 31062, France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, Amiens 80039, France
| | - Stefan Kaskel
- Inorganic Chemistry I, Technische Universität Dresden, Bergstraße 66, Dresden 01069, Germany.,Fraunhofer Institute for Material and Beam Technology (IWS), Winterbergstraße 28, Dresden 01277, Germany
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14
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Riaño A, Strutyński K, Liu M, Stoppiello CT, Lerma‐Berlanga B, Saeki A, Martí‐Gastaldo C, Khlobystov AN, Valenti G, Paolucci F, Melle‐Franco M, Mateo‐Alonso A. An Expanded 2D Fused Aromatic Network with 90‐Ring Hexagons. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Alberto Riaño
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastián Spain
| | - Karol Strutyński
- CICECO-Aveiro Institute of Materials Department of Chemistry University of Aveiro 3810-193 Aveiro Portugal
| | - Meng Liu
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Craig T. Stoppiello
- School of Chemistry University of Nottingham University Park Nottingham UK
- Nanoscale and Microscale Research Centre University of Nottingham University Park Nottingham UK
| | - Belén Lerma‐Berlanga
- Instituto de Ciencia Molecular (ICMol) Universitat de València Paterna 46980 València Spain
| | - Akinori Saeki
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Carlos Martí‐Gastaldo
- Instituto de Ciencia Molecular (ICMol) Universitat de València Paterna 46980 València Spain
| | | | - Giovanni Valenti
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Francesco Paolucci
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Manuel Melle‐Franco
- CICECO-Aveiro Institute of Materials Department of Chemistry University of Aveiro 3810-193 Aveiro Portugal
| | - Aurelio Mateo‐Alonso
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastián Spain
- Ikerbasque Basque Foundation for Science 48009 Bilbao Spain
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15
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Riaño A, Strutyński K, Liu M, Stoppiello CT, Lerma‐Berlanga B, Saeki A, Martí‐Gastaldo C, Khlobystov AN, Valenti G, Paolucci F, Melle‐Franco M, Mateo‐Alonso A. An Expanded 2D Fused Aromatic Network with 90-Ring Hexagons. Angew Chem Int Ed Engl 2022; 61:e202113657. [PMID: 34748268 PMCID: PMC9300145 DOI: 10.1002/anie.202113657] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/29/2021] [Indexed: 11/07/2022]
Abstract
Two-dimensional fused aromatic networks (2D FANs) have emerged as a highly versatile alternative to holey graphene. The synthesis of 2D FANs with increasingly larger lattice dimensions will enable new application perspectives. However, the synthesis of larger analogues is mostly limited by lack of appropriate monomers and methods. Herein, we describe the synthesis, characterisation and properties of an expanded 2D FAN with 90-ring hexagons, which exceed the largest 2D FAN lattices reported to date.
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Affiliation(s)
- Alberto Riaño
- POLYMATUniversity of the Basque Country UPV/EHUAvenida de Tolosa 7220018Donostia-San SebastiánSpain
| | - Karol Strutyński
- CICECO-Aveiro Institute of MaterialsDepartment of ChemistryUniversity of Aveiro3810-193AveiroPortugal
| | - Meng Liu
- Dipartimento di Chimica “Giacomo Ciamician”Via Selmi 240126BolognaItaly
| | - Craig T. Stoppiello
- School of ChemistryUniversity of NottinghamUniversity ParkNottinghamUK
- Nanoscale and Microscale Research CentreUniversity of NottinghamUniversity ParkNottinghamUK
| | - Belén Lerma‐Berlanga
- Instituto de Ciencia Molecular (ICMol)Universitat de ValènciaPaterna46980ValènciaSpain
| | - Akinori Saeki
- Department of Applied ChemistryGraduate School of EngineeringOsaka UniversitySuitaOsaka565-0871Japan
| | - Carlos Martí‐Gastaldo
- Instituto de Ciencia Molecular (ICMol)Universitat de ValènciaPaterna46980ValènciaSpain
| | | | - Giovanni Valenti
- Dipartimento di Chimica “Giacomo Ciamician”Via Selmi 240126BolognaItaly
| | | | - Manuel Melle‐Franco
- CICECO-Aveiro Institute of MaterialsDepartment of ChemistryUniversity of Aveiro3810-193AveiroPortugal
| | - Aurelio Mateo‐Alonso
- POLYMATUniversity of the Basque Country UPV/EHUAvenida de Tolosa 7220018Donostia-San SebastiánSpain
- IkerbasqueBasque Foundation for Science48009BilbaoSpain
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16
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Wen Y, Li R, Liu J, Wei Z, Li S, Du L, Zu K, Li Z, Pan Y, Hu H. A temperature-dependent phosphorus doping on Ti 3C 2T x MXene for enhanced supercapacitance. J Colloid Interface Sci 2021; 604:239-247. [PMID: 34265684 DOI: 10.1016/j.jcis.2021.06.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/29/2021] [Accepted: 06/02/2021] [Indexed: 11/19/2022]
Abstract
A novel type of phosphorus doped Ti3C2Tx MXene nanosheets (P-Ti3C2Tx) is synthesized via a facile and controllable strategy of annealing MXene nanosheets with the presence of sodium hypophosphite. A combination of theoretical density functional theory calculation and experimental X-ray photoelectron spectroscopy discloses that the doped P atoms are prone to fill into Ti vacancies first due to their lowest formation free energy (ΔGP* = -0.028 eV·Å-2) and next to bond with surface terminals on MXene layers (ΔGP* = 0.013 eV·Å-2), forming P-C and P-O species, respectively. More importantly, the as-obtained P-Ti3C2Tx is, for the first time, investigated as the electrode material for supercapacitors, demonstrating a significantly boosted electrochemical performance by P doping. As a result, P-Ti3C2Tx electrode delivers a high specific capacitance of 320 F·g-1 at a current density of 0.5 A·g-1 (much higher than 131 F·g-1 for undoped MXene), an ultrahigh rate retention of 83.8% capacitance at 30 A·g-1, and a high cycling stability over continuous 5000 cycles.
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Affiliation(s)
- Yangyang Wen
- College of Chemistry and Materials Engineering, Beijing Technology and Business University (BTBU), 11 Fucheng Road, Beijing 100048, China
| | - Rui Li
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China
| | - Jiaohao Liu
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China
| | - Zhiting Wei
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China
| | - Shihan Li
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China
| | - Lili Du
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China
| | - Kai Zu
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China
| | - Zhenxing Li
- College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China.
| | - Yuanyuan Pan
- School of Chemical Engineering, China University of Petroleum (East), Qingdao 266580, China.
| | - Han Hu
- School of Chemical Engineering, China University of Petroleum (East), Qingdao 266580, China.
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17
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Single-Atom Catalysts: A Review of Synthesis Strategies and Their Potential for Biofuel Production. Catalysts 2021. [DOI: 10.3390/catal11121470] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Biofuels have been derived from various feedstocks by using thermochemical or biochemical procedures. In order to synthesise liquid and gas biofuel efficiently, single-atom catalysts (SACs) and single-atom alloys (SAAs) have been used in the reaction to promote it. SACs are made up of single metal atoms that are anchored or confined to a suitable support to keep them stable, while SAAs are materials generated by bi- and multi-metallic complexes, where one of these metals is atomically distributed in such a material. The structure of SACs and SAAs influences their catalytic performance. The challenge to practically using SACs in biofuel production is to design SACs and SAAs that are stable and able to operate efficiently during reaction. Hence, the present study reviews the system and configuration of SACs and SAAs, stabilisation strategies such as mutual metal support interaction and geometric coordination, and the synthesis strategies. This paper aims to provide useful and informative knowledge about the current synthesis strategies of SACs and SAAs for future development in the field of biofuel production.
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18
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Tan H, Xu YP, Rong S, Zhao R, Cui H, Chen ZN, Xu ZN, Zhang NN, Guo GC. Enhanced metal-support interaction between Pd and hierarchical Nb 2O 5via oxygen defect induction to promote CO oxidative coupling to dimethyl oxalate. NANOSCALE 2021; 13:18773-18779. [PMID: 34747962 DOI: 10.1039/d1nr03370k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Production of ethylene glycol from coal is a particularly interesting route as it is an economic alternative to the petrochemical-based route. In this process, effectively generating dimethyl oxalate (DMO) is a crucial step by CO oxidative coupling reaction under Pd-based catalysts. However, the aggregation of Pd species over the support is still an issue that relates to the deterioration of catalytic activity and stability. To this end, enhancing the metal-support interaction is urgently required. In this work, hierarchical Nb2O5 (H-Nb2O5) microspheres with abundant oxygen defects were synthesized to anchor the Pd species thus promoting the electron transfer between Pd species and Nb species associated with the generation of interfacial Pd-NbOx sites. Besides, the thinned electron density of Pd species resulting from the electron-withdrawing effect of Nb species is beneficial for activating the adsorbed CO molecules, leading to superior catalytic activity. The Pd/H-Nb2O5 catalyst exhibited 63.1% of CO conversion (theoretical maximum conversion: 64.3%) and 92.9% of DMO selectivity, with a DMO weight time yield of 1297.9 g kgcat.-1 h-1, and remained robust even after 50 h of time on stream evaluation. Current work provides a deep insight into the CO activation mechanism and helps improve the catalytic stability by boosting interfacial electron interaction via oxygen defects induction, and also sheds light on the design and synthesis of high-performance catalysts in other heterogeneous catalysis fields.
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Affiliation(s)
- Hongzi Tan
- School of Chemistry & Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255049, P. R. China.
| | - Yu-Ping Xu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China.
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Siteng Rong
- School of Chemistry & Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255049, P. R. China.
| | - Rongrong Zhao
- School of Chemistry & Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255049, P. R. China.
| | - Hongyou Cui
- School of Chemistry & Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255049, P. R. China.
| | - Zhe-Ning Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China.
| | - Zhong-Ning Xu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China.
| | - Ning-Ning Zhang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252000, P. R. China
| | - Guo-Cong Guo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China.
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19
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Liu Y, Halder A, Seifert S, Marcella N, Vajda S, Frenkel AI. Probing Active Sites in Cu xPd y Cluster Catalysts by Machine-Learning-Assisted X-ray Absorption Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:53363-53374. [PMID: 34255469 DOI: 10.1021/acsami.1c06714] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Size-selected clusters are important model catalysts because of their narrow size and compositional distributions, as well as enhanced activity and selectivity in many reactions. Still, their structure-activity relationships are, in general, elusive. The main reason is the difficulty in identifying and quantitatively characterizing the catalytic active site in the clusters when it is confined within subnanometric dimensions and under the continuous structural changes the clusters can undergo in reaction conditions. Using machine learning approaches for analysis of the operando X-ray absorption near-edge structure spectra, we obtained accurate speciation of the CuxPdy cluster types during the propane oxidation reaction and the structural information about each type. As a result, we elucidated the information about active species and relative roles of Cu and Pd in the clusters.
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Affiliation(s)
- Yang Liu
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Avik Halder
- Materials Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
| | - Soenke Seifert
- X-ray Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
| | - Nicholas Marcella
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Stefan Vajda
- Materials Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
- Institute for Molecular Engineering, The University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
- Department of Nanocatalysis, J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, Prague 8 18223, Czech Republic
| | - Anatoly I Frenkel
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973, United States
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20
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Huang Y, Wang M, Li Y, Yin S, Zhu H, Wan C. Edge-Rich Reduced Graphene Oxide Embedded in Silica-Based Laminated Ceramic Composites for Efficient and Robust Electrocatalytic Hydrogen Evolution. SMALL METHODS 2021; 5:e2100621. [PMID: 34927927 DOI: 10.1002/smtd.202100621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/19/2021] [Indexed: 06/14/2023]
Abstract
To mitigate the energy crisis and environmental pollution, efficient and earth-abundant hydrogen evolution reaction (HER) electrocatalysts are essential for hydrogen production through electrochemical water splitting. Graphene-based materials as metal-free catalysts have attracted significant attention but suffer from insufficient activity and stability. Therefore, a novel and economical approach is developed to prepare highly active, robust, and self-supported reduced graphene oxide (rGO)/SiO2 ceramic composites as electrocatalysts in HER. Through intercalation and pressure sintering, the rGO sheets are parallelly aligned and embedded into a dense and chemically inert SiO2 matrix, ensuring the electrical conductivity and stability of the prepared composites. After directional cutting, the edges of the oriented rGO sheets become fully exposed on the composite surface, acting as highly electrocatalytic active sites in HER, as confirmed by density functional theory calculations. The 4 vol% rGO/SiO2 composite displays superior electrocatalytic performance, featuring a low overpotential (134 mV) at a current density of 10 mA cm-2 , a small Tafel slope (103 mV dec-1 ), and excellent catalytic durability in 0.5 m H2 SO4 . This study provides a new yet cost-effective strategy to prepare metal-free, robust, and edge-rich rGO/ceramic composites as a highly electrocatalytic active catalyst for HER applications.
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Affiliation(s)
- Yujia Huang
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Min Wang
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Yi Li
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Shujia Yin
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Hongwei Zhu
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Chunlei Wan
- State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
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21
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Jing KQ, Fu YQ, Chen ZN, Zhang T, Sun J, Xu ZN, Guo GC. Boosting Interfacial Electron Transfer between Pd and ZnTi-LDH via Defect Induction for Enhanced Metal-Support Interaction in CO Direct Esterification Reaction. ACS APPLIED MATERIALS & INTERFACES 2021; 13:24856-24864. [PMID: 34009944 DOI: 10.1021/acsami.1c04523] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Strong metal-support interaction is crucial to the stability of catalysts in heterogeneous catalysis. However, reports on boosting interfacial electron transfer between metal and support via defect induction for enhanced metal-support interaction are limited. In this work, ultrathin reducible ZnTi-layered double hydroxide (LDH) nanosheets with rich oxygen defects were synthesized to stabilize Pd clusters, and the rich oxygen defects promoted Pd cluster bonding with Zn and Ti atoms in supports, thereby forming a metal-metal bond. Electron spin resonance (ESR), X-ray absorption fine spectra (XAFS), and density functional theory (DFT) calculations demonstrate remarkable interfacial electron transfer (0.62 e). The Pd/ZnTi-LDH catalyst shows superior catalytic stability for CO direct esterification to dimethyl oxalate. By contrast, the nonreducible Pd/ZnAl-LDH catalyst with a few oxygen defects shows minimal interfacial electron transfer (0.08 e), which leads to relatively poor catalytic stability. This work provides a deep insight into promoting the stability of catalysts by boosting interfacial electron transfer via defect induction.
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Affiliation(s)
- Kai-Qiang Jing
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yu-Qing Fu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zhe-Ning Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Teng Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Jing Sun
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Zhong-Ning Xu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Guo-Cong Guo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
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22
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Liu L, Li Y, Lu Z, Chen T, Cai Q, Xu Y, Zeng B, Yuan C, Kuo SW, Dai L. Kinetics control over the Schiff base formation reaction for fabrication of hierarchical porous carbon materials with tunable morphology for high-performance supercapacitors. NANOTECHNOLOGY 2021; 32:305602. [PMID: 33827051 DOI: 10.1088/1361-6528/abf59d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 04/06/2021] [Indexed: 06/12/2023]
Abstract
Schiff base formation reaction is highly dynamic, and the microstructure of Schiff base polymers is greatly affected by reaction kinetics. Herein, a series of Schiff base cross-linked polymers (SPs) with different morphologies are synthesized through adjusting the species and amount of catalysts. Nitrogen/oxygen co-doped hierarchical porous carbon nanoparticles (HPCNs), with tunable morphology, specific surface area (SSA) and porosity, are obtained after one-step carbonization. The optimal sample (HPCN-3) possesses a coral reef-like microstructure, high SSA up to 1003 m2g-1, and a hierarchical porous structure, exhibiting a remarkable specific capacitance of 359.5 F g-1(at 0.5 A g-1), outstanding rate capability and cycle stability in a 1 M H2SO4electrolyte. Additionally, the normalized electric double layer capacitance (EDLC) and faradaic capacitance of HPCN-3 are 0.239 F m-2and 10.24 F g-1respectively, certifying its superior electrochemical performance deriving from coral reef-like structure, high external surface area and efficient utilization of heteroatoms. The semi-solid-state symmetrical supercapacitor based on HPCN-3 delivers a capacitance of 55 F g-1at 0.5 A g-1, good cycle stability of 86.7% after 5000 GCD cycles at 10 A g-1, and the energy density ranges from 7.64 to 4.86 Wh kg-1.
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Affiliation(s)
- Ling Liu
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Yuntong Li
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Zhenwu Lu
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Ting Chen
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Qipeng Cai
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Yiting Xu
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Birong Zeng
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Conghui Yuan
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
| | - Shiao-Wei Kuo
- Department of Materials and Optoelectronic Science, Center for Nanoscience and Nanotechnology, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
| | - Lizong Dai
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, People's Republic of China
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23
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Sun L, Zhuang G, Zeng S, Sha L, Zhan W, Sun L, Wang X, Han X. Regulating the Electronic Structure and Active Sites in Ni Nanoparticles by Coating N-Doped C Layer and Porous Structure for an Efficient Overall Water Splitting. Inorg Chem 2021; 60:6764-6771. [PMID: 33835778 DOI: 10.1021/acs.inorgchem.1c00595] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Developing efficient and robust bifunctional electrocatalysts are in high demand for the production of hydrogen by water splitting. Engineering an electrocatalyst with a regulated electronic structure and abundant active sites is an effective way to enhance the electrocatalytic activity. Herein, N-doped C-encapsulated Ni nanoparticles (Ni@N-C) are synthesized through a traditional hydrothermal reaction, followed by pyrolyzing under an Ar/H2 atmosphere. The electrochemical measurements and density functional theory (DFT) calculations reveal that the electron transfer between the Ni core and the N-C shell induces the electron density redistribution on Ni@N-C, which directly promotes the adsorption and desorption of H* on the N-doped carbon (N-C) layer and thus dramatically enhances hydrogen production. Taking advantage of the porous spherical structure and the synergistic effects between Ni and N-doped carbon (N-C) layer, we obtain a Ni@N-C electrocatalyst that exhibits remarkable hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) activity with low overpotentials of 117 and 325 mV, respectively. Impressively, the assembled cell using Ni@N-C as both anode and cathode exhibits excellent activity as well as stable cyclability for over 12 h.
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Affiliation(s)
- Ling Sun
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Department of Chemistry, School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Guilin Zhuang
- Laboratory of Molecular Catalysis & Computational Materials, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Suyuan Zeng
- Department of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, P. R. China
| | - Linna Sha
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Department of Chemistry, School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Wenwen Zhan
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Department of Chemistry, School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Liming Sun
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Department of Chemistry, School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Xiaojun Wang
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Department of Chemistry, School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Xiguang Han
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Department of Chemistry, School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou 221116, P. R. China
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24
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Chen Z, Zhao D, Ma R, Zhang X, Rao J, Yin Y, Wang X, Yi F. Flexible temperature sensors based on carbon nanomaterials. J Mater Chem B 2021; 9:1941-1964. [DOI: 10.1039/d0tb02451a] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Flexible temperature sensors based on carbon nanomaterials can be attached to the surface of human skin or curved surfaces directly for continuous and stable data measurements, and have attracted extensive attention in myriad areas.
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Affiliation(s)
- Zetong Chen
- School of Materials Science and Engineering
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Danna Zhao
- School of Materials Science and Engineering
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Rui Ma
- School of Materials Science and Engineering
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Xujing Zhang
- School of Materials Science and Engineering
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Jihong Rao
- School of Materials Science and Engineering
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Yajiang Yin
- Research Institute of Tsinghua
- Pearl River Delta
- Corporation Accelerator
- Guangzhou 510530
- P. R. China
| | - Xiaofeng Wang
- Research Institute of Tsinghua
- Pearl River Delta
- Corporation Accelerator
- Guangzhou 510530
- P. R. China
| | - Fang Yi
- School of Materials Science and Engineering
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
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25
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Yan Y, Chen G, She P, Zhong G, Yan W, Guan BY, Yamauchi Y. Mesoporous Nanoarchitectures for Electrochemical Energy Conversion and Storage. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2004654. [PMID: 32964570 DOI: 10.1002/adma.202004654] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/23/2020] [Indexed: 06/11/2023]
Abstract
Mesoporous materials have attracted considerable attention because of their distinctive properties, including high surface areas, large pore sizes, tunable pore structures, controllable chemical compositions, and abundant forms of composite materials. During the last decade, there has been increasing research interest in constructing advanced mesoporous nanomaterials possessing short and open channels with efficient mass diffusion capability and rich accessible active sites for electrochemical energy conversion and storage. Here, the synthesis, structures, and energy-related applications of mesoporous nanomaterials are the main focus. After a brief summary of synthetic methods of mesoporous nanostructures, the delicate design and construction of mesoporous nanomaterials are described in detail through precise tailoring of the particle sizes, pore sizes, and nanostructures. Afterward, their applications as electrode materials for lithium-ion batteries, supercapacitors, water-splitting electrolyzers, and fuel cells are discussed. Finally, the possible development directions and challenges of mesoporous nanomaterials for electrochemical energy conversion and storage are proposed.
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Affiliation(s)
- Yuxing Yan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Guangrui Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Peihong She
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- Joint Research Center for Future Materials, International Center of Future Science, Jilin University, Qianjin Street 2699, Changchun, 130012, P. R. China
| | - Guiyuan Zhong
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Wenfu Yan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Bu Yuan Guan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- Joint Research Center for Future Materials, International Center of Future Science, Jilin University, Qianjin Street 2699, Changchun, 130012, P. R. China
| | - Yusuke Yamauchi
- International Center for Materials Nanoarchitechtonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, 4072, Australia
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26
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Leng C, Zhao Z, Song Y, Sun L, Fan Z, Yang Y, Liu X, Wang X, Qiu J. 3D Carbon Frameworks for Ultrafast Charge/Discharge Rate Supercapacitors with High Energy-Power Density. NANO-MICRO LETTERS 2020; 13:8. [PMID: 34138191 PMCID: PMC8187691 DOI: 10.1007/s40820-020-00535-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 09/08/2020] [Indexed: 05/13/2023]
Abstract
Carbon-based electric double layer capacitors (EDLCs) hold tremendous potentials due to their high-power performance and excellent cycle stability. However, the practical use of EDLCs is limited by the low energy density in aqueous electrolyte and sluggish diffusion kinetics in organic or/and ionic liquids electrolyte. Herein, 3D carbon frameworks (3DCFs) constructed by interconnected nanocages (10-20 nm) with an ultrathin wall of ca. 2 nm have been fabricated, which possess high specific surface area, hierarchical porosity and good conductive network. After deoxidization, the deoxidized 3DCF (3DCF-DO) exhibits a record low IR drop of 0.064 V at 100 A g-1 and ultrafast charge/discharge rate up to 10 V s-1. The related device can be charged up to 77.4% of its maximum capacitance in 0.65 s at 100 A g-1 in 6 M KOH. It has been found that the 3DCF-DO has a great affinity to EMIMBF4, resulting in a high specific capacitance of 174 F g-1 at 1 A g-1, and a high energy density of 34 Wh kg-1 at an ultrahigh power density of 150 kW kg-1 at 4 V after a fast charge in 1.11 s. This work provides a facile fabrication of novel 3D carbon frameworks for supercapacitors with ultrafast charge/discharge rate and high energy-power density.
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Affiliation(s)
- Changyu Leng
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Zongbin Zhao
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, People's Republic of China.
| | - Yinzhou Song
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Lulu Sun
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Zhuangjun Fan
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, Shandong, People's Republic of China
| | - Yongzhen Yang
- Key Lab of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, People's Republic of China
| | - Xuguang Liu
- Key Lab of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, People's Republic of China
| | - Xuzhen Wang
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Jieshan Qiu
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian, 116024, People's Republic of China.
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
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27
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Wang M, Zhang Y, Zhang T, Li Y, Cui M, Cao X, Lu Y, Peng D, Liu W, Liu X, Wang T, Huang Y. Confinement of single polyoxometalate clusters in molecular-scale cages for improved flexible solid-state supercapacitors. NANOSCALE 2020; 12:11887-11898. [PMID: 32297884 DOI: 10.1039/d0nr01070g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Herein, we realized the supramolecular confinement of a single polyoxometalate (POM) cluster precisely in a polypyrrole (PPy) hydrogel-wrapped CNT framework with molecular-scale cages. This hybrid hydrogel framework demonstrated an ultra-high loading (67.5 wt%) and extremely uniform dispersion of individual of H3[P(Mo3O10)4] (PMo12) molecules, as demonstrated by sub-ångström-resolution HAADF-STEM. Consequently, it exhibited a better supercapacitor performance than that of the conventional composite system. The flexible solid-state supercapacitor exhibited a high energy density of 67.5 μW h cm-2 at a power density of 700 μW cm-2 and delivered a high capacitance retention of 85.7% after 3000 cycles. Moreover, the flexible device exhibited excellent mechanical stability. Density functional theory calculations revealed that the wrapped "fishnet-like" hydrogel creates a cage structure with a size of 1.8 nm for the precise storage of the PMo12 molecule (diameter = 1.05 nm), leading to the mono-dispersion of single PMo12 molecules on the hybrid hydrogel. The "caging" effect also activates the PMo12 molecule to enhance its charging/discharging performance by introducing new reactive sites for proton transfer. We believe that this design for suitable cage structures can be used for the construction of other POM-based hybrid hydrogels, thereby achieving mono-dispersity and performance enhancement.
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Affiliation(s)
- Meiling Wang
- Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China.
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28
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Zhang Y, Song L. Structural Designs and
in‐situ
X‐ray Characterizations of Metal Phosphides for Electrocatalysis. ChemCatChem 2020. [DOI: 10.1002/cctc.202000233] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Youkui Zhang
- School of National Defense Science and Technology State Key Laboratory of Environment-friendly Energy MaterialsSouthwest University of Science and Technology Mianyang Sichuan 621010 P. R. China
| | - Li Song
- National Synchrotron Radiation Laboratory CAS Center for Excellence in NanoscienceUniversity of Science and Technology of China Hefei Anhui 230029 P. R. China
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29
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Chai L, Huang Q, Cheng H, Wang X, Zhang L, Li TT, Hu Y, Qian J, Huang S. Bottom-up preparation of hierarchically porous MOF-modified carbon sphere derivatives for efficient oxygen reduction. NANOSCALE 2020; 12:8785-8792. [PMID: 32253411 DOI: 10.1039/d0nr00511h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The rational design and controllable preparation of carbon-based catalysts for oxygen reduction reactions (ORRs) are at the core of key technologies for fuel cells and chargeable batteries in the field of advanced energy conversion and storage. In the present study, a Co species was synthesized by tuning the Zn dopant content in a bimetallic zeolitic-imidazolate framework functionalized with carbon spheres (CoZn-ZIF/CS). Using CoZn-ZIF/CS as the precursor, Co nanoparticles on N-doped carbon spheres were generated at 1000 °C (CoZn-ZIF/CS-1000). These systems were bottom-up synthesized and extensiv ely investigated for their ORR performance. The Brunauer-Emmett-Teller surface area and total pore volume with values of 586 m2 g-1 and 0.39 cm3 g-1, respectively, for the CoZn-ZIF/CS-1000 are appropriate compared to those of the porous ZIF precursor. As expected, it exhibited high-activity ORR performance in an alkaline medium with a half-wave potential of 0.82 V vs. RHE and the diffusion-limited current density is 5.11 mV cm-2. Meanwhile, the obtained CoZn-ZIF/CS-1000 electrocatalyst shows better electrochemical stability and methanol tolerance than the commercial Pt/C. Therefore, our discovery opens up a new way to regulate the catalytic performance of carbon material templates and MOF derivatives, which could be further applied in the development of highly active catalysts for applications in chemical energy utilization.
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Affiliation(s)
- Lulu Chai
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325000, China.
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30
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Cai P, Zou K, Deng X, Wang B, Zou G, Hou H, Ji X. Defect Rich Hierarchical Porous Carbon for High Power Supercapacitors. Front Chem 2020; 8:43. [PMID: 32117871 PMCID: PMC7011847 DOI: 10.3389/fchem.2020.00043] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 01/14/2020] [Indexed: 11/13/2022] Open
Abstract
Tuning hierarchical pore structure of carbon materials is an effective way to achieve high energy density under high power density of carbon-based supercapacitors. However, at present, most of methods for regulating pores of carbon materials are too complicated to be achieved. In this work, a durian shell derived porous carbon (DSPC) with abundant porous is prepared through chemical activation as a defect strategy. Hierarchical porous structure can largely enhance the transfer rate of electron/ion. Furthermore, DSPC with multiple porous structure exhibits excellent properties when utilized as electrode materials for electric double layer capacitors (EDLCs), delivering a specific capacitance of 321 F g-1 at 0.5 A g-1 in aqueous electrolyte. Remarkably, a high energy density of 27.7 Wh kg-1 is obtained at 675 W kg-1 in an organic two-electrode device. And large capacity can be remained even at high charge/discharge rate. Significantly, hierarchical porous structure allows efficient ion diffusion and charge transfer, resulting in a prominent cycling stability. This work is looking forward to providing a promising strategy to prepare hierarchical porous carbon-based materials for supercapacitors with ultrafast electron/ion transport.
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Affiliation(s)
- Peng Cai
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Kangyu Zou
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Xinglan Deng
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Baowei Wang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Guoqiang Zou
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Hongshuai Hou
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Xiaobo Ji
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, China
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31
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Ye J, Simon P, Zhu Y. Designing ionic channels in novel carbons for electrochemical energy storage. Natl Sci Rev 2020; 7:191-201. [PMID: 34692031 PMCID: PMC8289042 DOI: 10.1093/nsr/nwz140] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 08/24/2019] [Accepted: 09/11/2019] [Indexed: 01/08/2023] Open
Abstract
Tremendous efforts have been dedicated to developing high-performance energy storage devices based on the micro- or nano-manipulation of novel carbon electrodes, as certain nanocarbons are perceived to have advantages such as high specific surface areas, superior electric conductivities, excellent mechanical properties and so on. In typical electrochemical electrodes, ions are intercalated/deintercalated into/from the bulk (for batteries) or adsorbed/desorbed on/from the surface (for electrochemical capacitors). Fast ionic transport, significantly determined by ionic channels in active electrodes or supporting materials, is a prerequisite for the efficient energy storage with carbons. In this report, we summarize recent design strategies for ionic channels in novel carbons and give comments on the promising features based on those carbons towards tailorable ionic channels.
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Affiliation(s)
- Jianglin Ye
- Hefei National Research Center for Physical Sciences at the Microscale & CAS Key Laboratory of Materials for Energy Conversion & Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Patrice Simon
- CIRIMAT UMR CNRS 5085, Université Paul Sabatier, Toulouse 31062, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, Amiens 80039, France
| | - Yanwu Zhu
- Hefei National Research Center for Physical Sciences at the Microscale & CAS Key Laboratory of Materials for Energy Conversion & Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
- iChEM, University of Science and Technology of China, Hefei 230026, China
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32
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Ye J, Wu YC, Xu K, Ni K, Shu N, Taberna PL, Zhu Y, Simon P. Charge Storage Mechanisms of Single-Layer Graphene in Ionic Liquid. J Am Chem Soc 2019; 141:16559-16563. [PMID: 31588740 DOI: 10.1021/jacs.9b07134] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Graphene-based carbon materials are promising candidates for electrical double-layer (EDL) capacitors, and there is considerable interest in understanding the structure and properties of the graphene/electrolyte interface. Here, electrochemical impedance spectroscopy (EIS) and electrochemical quartz crystal microbalance (EQCM) are used to characterize the ion fluxes and adsorption on single-layer graphene in neat ionic liquid (EMI-TFSI) electrolyte. It is found that a positively charged ion-species desorption and ion reorganization dominate the double-layer charging during positive and negative polarizations, respectively, leading to the increase in EDL capacitance with applied potential.
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Affiliation(s)
- Jianglin Ye
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, and Department of Materials Science and Engineering , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China.,CIRIMAT UMR CNRS 5085 , Université Paul Sabatier , 118 route de Narbonne , 31062 Toulouse , France
| | - Yih-Chyng Wu
- CIRIMAT UMR CNRS 5085 , Université Paul Sabatier , 118 route de Narbonne , 31062 Toulouse , France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E) , CNRS FR3459 , 80039 Amiens , France
| | - Kui Xu
- CIRIMAT UMR CNRS 5085 , Université Paul Sabatier , 118 route de Narbonne , 31062 Toulouse , France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E) , CNRS FR3459 , 80039 Amiens , France
| | - Kun Ni
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, and Department of Materials Science and Engineering , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China
| | - Na Shu
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, and Department of Materials Science and Engineering , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China
| | - Pierre-Louis Taberna
- CIRIMAT UMR CNRS 5085 , Université Paul Sabatier , 118 route de Narbonne , 31062 Toulouse , France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E) , CNRS FR3459 , 80039 Amiens , France
| | - Yanwu Zhu
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, and Department of Materials Science and Engineering , University of Science and Technology of China , Hefei , Anhui 230026 , P. R. China
| | - Patrice Simon
- CIRIMAT UMR CNRS 5085 , Université Paul Sabatier , 118 route de Narbonne , 31062 Toulouse , France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E) , CNRS FR3459 , 80039 Amiens , France
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33
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Carini M, Shi L, Chamberlain TW, Liu M, Valenti G, Melle‐Franco M, Paolucci F, Khlobystov AN, Pichler T, Mateo‐Alonso A. Wall‐ and Hybridisation‐Selective Synthesis of Nitrogen‐Doped Double‐Walled Carbon Nanotubes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Marco Carini
- POLYMATUniversity of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Lei Shi
- University of ViennaFaculty of Physics Strudlfogasse 4 1090 Vienna Austria
- School of Materials Science & EngineeringSun Yat-sen University Guangzhou 510275 Guangdong P. R. China
| | - Thomas W. Chamberlain
- School of ChemistryUniversity of Nottingham University Park Nottingham UK
- School of ChemistryUniversity of Leeds Leeds UK
| | - Meng Liu
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Giovanni Valenti
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Manuel Melle‐Franco
- CICECO – Aveiro Institute of MaterialsDepartment of ChemistryUniversity of Aveiro 3810-193 Aveiro Portugal
| | - Francesco Paolucci
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | | | - Thomas Pichler
- University of ViennaFaculty of Physics Strudlfogasse 4 1090 Vienna Austria
| | - Aurelio Mateo‐Alonso
- POLYMATUniversity of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
- IkerbasqueBasque Foundation for Science Bilbao Spain
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Carini M, Shi L, Chamberlain TW, Liu M, Valenti G, Melle‐Franco M, Paolucci F, Khlobystov AN, Pichler T, Mateo‐Alonso A. Wall‐ and Hybridisation‐Selective Synthesis of Nitrogen‐Doped Double‐Walled Carbon Nanotubes. Angew Chem Int Ed Engl 2019; 58:10276-10280. [DOI: 10.1002/anie.201905559] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Marco Carini
- POLYMATUniversity of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Lei Shi
- University of ViennaFaculty of Physics Strudlfogasse 4 1090 Vienna Austria
- School of Materials Science & EngineeringSun Yat-sen University Guangzhou 510275 Guangdong P. R. China
| | - Thomas W. Chamberlain
- School of ChemistryUniversity of Nottingham University Park Nottingham UK
- School of ChemistryUniversity of Leeds Leeds UK
| | - Meng Liu
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Giovanni Valenti
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Manuel Melle‐Franco
- CICECO – Aveiro Institute of MaterialsDepartment of ChemistryUniversity of Aveiro 3810-193 Aveiro Portugal
| | - Francesco Paolucci
- Dipartimento di Chimica “Giacomo Ciamician” Via Selmi 2 40126 Bologna Italy
| | | | - Thomas Pichler
- University of ViennaFaculty of Physics Strudlfogasse 4 1090 Vienna Austria
| | - Aurelio Mateo‐Alonso
- POLYMATUniversity of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
- IkerbasqueBasque Foundation for Science Bilbao Spain
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Xiao Y, Huang J, Xu Y, Yuan K, Chen Y. Facile and Scalable Fabrication of Nitrogen-Doped Porous Carbon Nanosheets for Capacitive Energy Storage with Ultrahigh Energy Density. ACS APPLIED MATERIALS & INTERFACES 2019; 11:20029-20036. [PMID: 31070347 DOI: 10.1021/acsami.9b04393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Porous carbon materials are the most commonly used electrode materials for supercapacitors because of their abundant structures, excellent conductivities, and chemical stability. However, the manufacture of carbon materials possessing sizable pores and remarkable wettability with the electrolyte remains challenging. Herein, we developed a facile and industrially scalable method for the production of nitrogen-doped porous carbon nanosheets (PNDC-4) with excellent pore size distribution, large specific surface area (>1200 m2 g-1), high conductivity (>700 S m-1), and superb wettability either in aqueous or organic electrolyte. Particularly, PNDC-4 shows a high capacitance of 387 F g-1 (1 A g-1) in a three-electrode system with 3 M KOH and 80 F g-1 (1 A g-1) in a symmetric two-electrode system with EMIMBF4. The device exhibits an ultrahigh energy density of 81 W h kg-1 at a power density of 1.3 kW kg-1 and can still maintain at 60.8 W h kg-1 when the power density is increased to 266.6 kW kg-1. Moreover, the devices show superb stability that 94% of its initial capacitance is still maintained after 100 000 cycles at 20 A g-1.
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Affiliation(s)
- Yingbo Xiao
- College of Chemistry/Institute of Polymers and Energy Chemistry , Nanchang University , 999 Xuefu Avenue , Nanchang 330031 , China
| | - Jun Huang
- College of Chemistry/Institute of Polymers and Energy Chemistry , Nanchang University , 999 Xuefu Avenue , Nanchang 330031 , China
| | - Yazhou Xu
- College of Chemistry/Institute of Polymers and Energy Chemistry , Nanchang University , 999 Xuefu Avenue , Nanchang 330031 , China
| | - Kai Yuan
- College of Chemistry/Institute of Polymers and Energy Chemistry , Nanchang University , 999 Xuefu Avenue , Nanchang 330031 , China
| | - Yiwang Chen
- College of Chemistry/Institute of Polymers and Energy Chemistry , Nanchang University , 999 Xuefu Avenue , Nanchang 330031 , China
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Zhu G, Zhao G, Shi J, Ou-Yang W. One-step preparation of N,O co-doped 3D hierarchically porous carbon derived from soybean dregs for high-performance supercapacitors. RSC Adv 2019; 9:17308-17317. [PMID: 35519858 PMCID: PMC9064598 DOI: 10.1039/c9ra02184a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 05/09/2019] [Indexed: 01/16/2023] Open
Abstract
Hierarchically porous carbon (HPC) material based on environmental friendliness biomass has spurred much attention, due to its high surface area and porous structure. Herein, three-dimensional (3D) N,O co-doped HPC (N-O-HPC) was prepared by using a one-step fabrication process of simultaneously carbonizing and activating soybean dregs and used as an electrode for supercapacitors (SCs). The obtained N-O-HPC with 4.8 at% N and 6.1 at% O exhibits a pretty small charge transfer resistance (0.05 Ω) and a large specific capacitance (408 F g-1 at 1 A g-1), due to its 3D hierarchically porous framework structure with extremely large specific surface area (1688 m2 g-1). Moreover, a symmetrical SC assembled with the HPC electrode exhibits an amazingly high energy density (22 W h kg-1 at 450 W kg-1) and a stable long cycling life with only 6% capacitance loss after 5000 cycles in 1 M Na2SO4 solution. This work provides a facile, green, and low-cost way to prepare electrode materials for SCs.
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Affiliation(s)
- Guang Zhu
- Key Laboratory of Spin Electron and Nanomaterials of Anhui Higher Education Institutes, Suzhou University Suzhou 234000 PR China
| | - Guangzhen Zhao
- Key Laboratory of Spin Electron and Nanomaterials of Anhui Higher Education Institutes, Suzhou University Suzhou 234000 PR China
- Energy Resources and Power Engineering College, Northeast Electric Power University 169 Changchun Road Jilin 132012 PR China
| | - Junyou Shi
- Energy Resources and Power Engineering College, Northeast Electric Power University 169 Changchun Road Jilin 132012 PR China
- Forestry College, Beihua University 3999 East Binjiang Road Jilin 132013 PR China
| | - Wei Ou-Yang
- Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Materials Science, East China Normal University 3663 North Zhongshan Road Shanghai 200062 PR China +86-21-62233673 +86-21-62233673
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Wang Y, Nie S, Liu Y, Yan W, Lin S, Cheng G, Yang H, Luo J. Room-Temperature Fabrication of a Nickel-Functionalized Copper Metal⁻Organic Framework (Ni@Cu-MOF) as a New Pseudocapacitive Material for Asymmetric Supercapacitors. Polymers (Basel) 2019; 11:E821. [PMID: 31067738 PMCID: PMC6572177 DOI: 10.3390/polym11050821] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 04/26/2019] [Accepted: 05/03/2019] [Indexed: 11/17/2022] Open
Abstract
A nickel-functionalized copper metal-organic framework (Ni@Cu-MOF) was prepared by a facile volatilization method and a post-modification synthesis method at room temperature. The obtained Ni@Cu-MOF electrode delivered a high capacitance of 526 F/g at 1 A/g and had a long-term cycling stability (80% retention after 1200 cycles at 1 A/g) in a 6 M KOH aqueous solution. Furthermore, an asymmetric supercapacitor device was assembled from this Ni@Cu-MOF and activated carbon electrodes. The fabricated supercapacitor delivered a high capacitance of 48.7 F/g at 1 A/g and a high energy density of 17.3 Wh/kg at a power density of 798.5 kW/kg. This study indicates that the Ni@Cu-MOF has great potential for supercapacitor applications.
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Affiliation(s)
- Yi Wang
- College of Chemistry and Material Engineering, Gui Yang University, Guiyang 550005, China.
| | - Shengqiang Nie
- College of Chemistry and Material Engineering, Gui Yang University, Guiyang 550005, China.
| | - Yuan Liu
- College of Chemistry and Material Engineering, Gui Yang University, Guiyang 550005, China.
| | - Wei Yan
- College of Chemistry and Material Engineering, Gui Yang University, Guiyang 550005, China.
| | - Shaomin Lin
- School of Material Science and Engineering, Han Shan Normal University, Chaozhou 521041, China.
| | - Gang Cheng
- College of Chemistry and Material Engineering, Gui Yang University, Guiyang 550005, China.
| | - Huan Yang
- School of Material Science and Engineering, Han Shan Normal University, Chaozhou 521041, China.
| | - Jun Luo
- College of Chemistry and Material Engineering, Gui Yang University, Guiyang 550005, China.
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Zhou W, Du Y, Zeng J, Liu F, Zhu Y. A modified "gel-blowing" strategy toward the one-step mass production of a 3D N-doped carbon nanosheet@carbon nanotube hybrid network for supercapacitors. NANOSCALE 2019; 11:7624-7633. [PMID: 30758004 DOI: 10.1039/c8nr10348h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
In this work, we have realized the synchronous and large-scale synthesis of one-dimensional (1D) carbon nanotubes (CNTs) on two-dimensional (2D) N-doped carbon nanosheets (NCNS) by a one-step annealing of a Ni-containing gel precursor. Upon heating, the gel is "blown" into large-sized 2D NCNS with uniformly embedded Ni nanoparticles that can catalyze the in situ CNT growth, forming a three-dimensional (3D) N-doped carbon nanosheet@carbon nanotube (NCNS@CNT) hybrid. Different from our previous "gel-blowing" strategy for 2D nanosheets, the modified "gel-blowing" strategy is capable of producing 3D architecture by employing a new complexing agent and introducing ethanol as a carbon source. Importantly, this method can be easily scaled up by annealing more gel precursors with an increased amount of ethanol. The introduction of CNTs endows NCNS@CNTs with higher quality and larger specific surface area (SSA) than pure NCNS. Consequently, the electrochemical performance of 3D NCNS@CNTs is much superior to that of 2D NCNS and found to be related with the annealing temperature. The optimized NCNS@CNTs can deliver a specific capacitance of 124 F g-1 at 1 A g-1 and maintain 88% of their initial value after 10 000 cycles at 1 A g-1. Furthermore, NiO nanosheets are deposited on the NCNS@CNT framework to study its function as a conductive host. The as-fabricated hybrid electrode exhibits a high specific capacitance of 660 F g-1 at 1 A g-1 and 532 F g-1 at 20 A g-1, which is also better than its counterpart using NCNS as substrates. This method provides a simplified and low-cost way towards the mass production of NCNS@CNTs for energy application and beyond.
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Affiliation(s)
- Weiwei Zhou
- School of Materials Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China.
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