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Luo X, Zhu R, Zhao L, Gong X, Zhang L, Fan L, Liu Y. Defective nitrogen doped carbon material derived from nano-ZIF-8 for enhanced in-situ H 2O 2 generation and tetracycline hydrochloride degradation in electro-Fenton system. ENVIRONMENTAL RESEARCH 2024; 251:118644. [PMID: 38485074 DOI: 10.1016/j.envres.2024.118644] [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: 12/26/2023] [Revised: 02/03/2024] [Accepted: 03/05/2024] [Indexed: 03/19/2024]
Abstract
Tetracycline hydrochloride (TC) accumulates in large quantities in the water environment, causing a serious threat to human health and ecological environment safety. This research focused on developing cost-effective catalysts with high 2e- selectivity for electro-Fenton (EF) technology, a green pollution treatment method. Defective nitrogen-doped porous carbon (d-NPC) was prepared using the metal-organic framework as the precursor to achieve in-situ H2O2 production and self-decomposition into high activity ·OH for degradation of TC combined with Co2+/Co3+. The d-NPC produced 172.1 mg L-1 H2O2 within 120 min, and could degrade 96.4% of TC in EF system. The self-doped defects and graphite-nitrogen in d-NPC improved the oxygen reduction performance and increased the H2O2 yield, while pyridine nitrogen could catalyze H2O2 to generate ·OH. The possible pathway of TC degradation was also proposed. In this study, defective carbon materials were prepared by ball milling, which provided a new strategy for efficient in-situ H2O2 production and the degradation of pollutants.
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Affiliation(s)
- Xuan Luo
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan, 610066, China
| | - Ruiying Zhu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan, 610066, China
| | - Li Zhao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan, 610066, China
| | - Xiaobo Gong
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan, 610066, China; Key Laboratory of Land Resources Evaluation and Monitoring in Southwest, Ministry of Education, Sichuan Normal University, Chengdu, Sichuan, 610068, China; Key Laboratory of Special Waste Water Treatment, Sichuan Province Higher Education System, Chengdu, Sichuan, 610066, China; Sichuan Provincial Engineering Laboratory of Livestock Manure Treatment and Recycling (Sichuan Normal University), China.
| | - Lingrui Zhang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan, 610066, China
| | - Lu Fan
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan, 610066, China; Key Laboratory of Land Resources Evaluation and Monitoring in Southwest, Ministry of Education, Sichuan Normal University, Chengdu, Sichuan, 610068, China; Key Laboratory of Special Waste Water Treatment, Sichuan Province Higher Education System, Chengdu, Sichuan, 610066, China.
| | - Yong Liu
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, Sichuan, 610066, China; Key Laboratory of Land Resources Evaluation and Monitoring in Southwest, Ministry of Education, Sichuan Normal University, Chengdu, Sichuan, 610068, China; Key Laboratory of Special Waste Water Treatment, Sichuan Province Higher Education System, Chengdu, Sichuan, 610066, China
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Luo X, Yuan P, Xiao H, Li S, Luo J, Li J, Lai W, Chen Y, Li D. Effects of Intrinsic Defects in Pt-Based Carbon Supports on Alkaline Hydrogen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26044-26056. [PMID: 38717586 DOI: 10.1021/acsami.4c00690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Carbon material has widely been utilized in the synthesis of efficient carbon-supported Pt (Pt/C) catalysts, in which the structural properties greatly influence the electrocatalytic performances of Pt/C catalysts. However, the effects of intrinsic defects in carbon supports on the performance of the alkaline hydrogen evolution reaction (HER) have not been systematically investigated. Herein, porous carbon supports with different degrees of intrinsic defects were prepared by a simple template-assisted strategy, and the resulting samples were systematically studied by various analytical methods. The results suggested that the presence of abundant intrinsic defects (vacancy and topological defects) in the carbon support was advantageous in terms of favoring the dispersion and anchoring of Pt species, promoting electron transfer between Pt atoms and the carbon support, and tuning the electronic states of Pt species. These features improved the HER performance of Pt/C catalysts. Compared to the nontemplate-assisted carbon-supported Pt catalyst (Pt/NTC) with an overpotential of 178 mV, the optimized template-assisted carbon-supported Pt catalyst (Pt/TC) exhibited a lower overpotential of 58 mV at 10 mA cm-2. Besides, the Pt/TC catalyst displayed better HER durability than the Pt/NTC catalyst owing to its strong metal-support interaction. The DFT calculations confirmed the important role played by intrinsic defects (vacancy and topological defects) in stabilizing Pt atoms, with Pt-C3 coordination identified as the most favorable structure for improving the HER performance of Pt. Overall, novel insights on the significant contribution of intrinsic defects in porous carbon supports on the HER performances of Pt/C catalysts were provided, useful for future design and fabrication of advanced carbon-supported catalysts or other carbon-based electrode materials.
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Affiliation(s)
- Xianyou Luo
- Guangdong Key Laboratory for Hydrogen Energy Technologies, School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Ping Yuan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Haoming Xiao
- Guangdong Key Laboratory for Hydrogen Energy Technologies, School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
| | - Shengwei Li
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Junhui Luo
- Guangdong Key Laboratory for Hydrogen Energy Technologies, School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
| | - Junyi Li
- Guangdong Key Laboratory for Hydrogen Energy Technologies, School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
| | - Wende Lai
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Yong Chen
- Guangdong Key Laboratory for Hydrogen Energy Technologies, School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - De Li
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
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Shi J, Huang T, Wu R, Wu J, Li Y, Kuang Y, Xing H, Zhang W. Direct carbonization of cellulose toward hydroxyl-rich porous carbons for pseudocapacitive energy storage. Int J Biol Macromol 2024; 264:130460. [PMID: 38437937 DOI: 10.1016/j.ijbiomac.2024.130460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 02/16/2024] [Accepted: 02/24/2024] [Indexed: 03/06/2024]
Abstract
Designing carbon materials with specific oxygen-containing functional groups is very attractive for the precise decoration of carbon electrode materials and the basic understanding of specific charge storage mechanisms, which contributes to the further development of high-performance carbon materials for energy storage and conversion applications. In this contribution, a hydroxyl-rich micropore-dominated porous carbon material was obtained by direct carbonization of cellulose. The content of oxygen atoms in hydroxyl form in the obtained carbon is nearly 6 at.%. With the pyrolysis temperature changed, the macroscopic morphology, the specific surface area, surface functional groups, and graphitization degree of the carbon materials were changed strongly. Besides, the carbon material obtained with a carbonization temperature of 900 °C (C9) showed enhanced specific capacitance in sulfuric acid, sodium hydroxide, and sodium sulfate aqueous electrolytes, which mainly originates from the contribution of pseudocapacitance. The pseudocapacitance mainly depends on the presence of surface hydroxyl functional groups. Besides, the pseudocapacitance value of C9 material in neutral electrolytes (151.34 F g-1) is about twice that in acidic (75.9 F g-1) and alkaline (75.78 F g-1) electrolytes.
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Affiliation(s)
- Jun Shi
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China; Faculty of Comprehensive Health Industry, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Tao Huang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), Guangzhou 510006, PR China
| | - Ruoyu Wu
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Jiani Wu
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Yulong Li
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Yongxi Kuang
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Hongmei Xing
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China; Faculty of Comprehensive Health Industry, Zhuhai College of Science and Technology, Zhuhai 519040, PR China.
| | - Wenli Zhang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), Guangzhou 510006, PR China; Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang Center, Jieyang 515200, China.
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Tian W, Ren P, Hou X, Xue R, Chen Z, Guo Z, Jin Y, Ren F. MnO 2 porous carbon composite from cellulose enabling high gravimetric/volumetric performance for supercapacitor. Int J Biol Macromol 2024; 261:129977. [PMID: 38316321 DOI: 10.1016/j.ijbiomac.2024.129977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/22/2024] [Accepted: 02/02/2024] [Indexed: 02/07/2024]
Abstract
Preparing electrode material integrated with high gravimetric/volumetric capacitance and fast electron/ion transfer is crucial for the practical application. Owing to the structural contradiction, it is a big challenge to construct electrode material with high packing density, sufficient ion transport channels, and fast electronic transfer pathways. Herein, MnO2 porous carbon composite with abundant porous structure and 3D carbon skeleton was facilely fabricated from Linum usitatissimum. L stems via NaOH activation and MnO2 introduction. The in-situ introduced MnO2 not only increases the packing density and the electrical conductivity of the porous carbon but also provides more active sites for oxidation reactions. These unique characteristics endow the resultant MnO2 porous carbon composite with remarkable gravimetric capacitance of 549 F g-1, volumetric capacitance of 378 F cm-3, and capacitance retention of 54.9 %. Giving the simple process and low cost, this work might offer a new approach for structural design and the practical application of high-performance electrode materials.
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Affiliation(s)
- Wenhui Tian
- School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China
| | - Penggang Ren
- School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China; The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China.
| | - Xin Hou
- School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China
| | - Runzhuo Xue
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China
| | - Zhengyan Chen
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Sichuan 610065, PR China
| | - Zhengzheng Guo
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China
| | - Yanlin Jin
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China
| | - Fang Ren
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China
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Dong Y, Dong X, Zhu D, Yang Y, Luo C, Li Y, Li J. Combination of multiple active sites in N, O co‐doped defective carbon materials for high performance aqueous supercapacitors. NANO SELECT 2023. [DOI: 10.1002/nano.202300002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Affiliation(s)
- Yue Dong
- Advanced Materials Research Center Petrochemical Research Institute of Petrochina Co. Ltd. Beijing China
| | - Xiao Dong
- Advanced Materials Research Center Petrochemical Research Institute of Petrochina Co. Ltd. Beijing China
| | - Dezhao Zhu
- Advanced Materials Research Center Petrochemical Research Institute of Petrochina Co. Ltd. Beijing China
| | - Yanxiang Yang
- Advanced Materials Research Center Petrochemical Research Institute of Petrochina Co. Ltd. Beijing China
| | - Chen Luo
- Advanced Materials Research Center Petrochemical Research Institute of Petrochina Co. Ltd. Beijing China
| | - Yang Li
- Advanced Materials Research Center Petrochemical Research Institute of Petrochina Co. Ltd. Beijing China
| | - Jinshan Li
- Advanced Materials Research Center Petrochemical Research Institute of Petrochina Co. Ltd. Beijing China
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Yuan R, Wang H, Shang L, Hou R, Dong Y, Li Y, Zhang S, Chen X, Song H. Revealing the Self-Doping Defects in Carbon Materials for the Compact Capacitive Energy Storage of Zn-Ion Capacitors. ACS APPLIED MATERIALS & INTERFACES 2023; 15:3006-3016. [PMID: 36601866 DOI: 10.1021/acsami.2c19798] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Zn-ion capacitors are attracting great attention owing to the abundant and relatively stable Zn anodes but are impeded by the low capacitance of porous carbon cathodes with insufficient energy storage sites. Herein, using ball-milled graphene with different defect densities as the models, we reveal that the self-doping defects of carbon show a capacitive energy storage behavior with robust charge-transfer kinetics, providing a capacitance contribution of ca. 90 F g-1 per unit of defect density (AD/AG value from Raman spectra) in both aqueous and organic electrolytes. Furthermore, a simple NaCl-assisted ball-milling method is developed to prepare novel graphene blocks (BSG) with abundant self-doping defect density, enriched pores, balanced electric conductivity, and high compact density (0.83 g cm-3). The optimized ion and electron transfer paths promote efficient utilization of the self-doping defects in BSG, contributing to improved gravimetric and volumetric capacitance (224 F g-1/186 F cm-3 at 0.5 A g-1) and remarkable rate performance (52.2% capacitance retention at 20 A g-1). The defect engineering strategy may open up a new avenue to improve the capacitive performance of dense carbons for Zn-ion capacitors.
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Affiliation(s)
- Renlu Yuan
- State Key Laboratory of Chemical Resources Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing100029, P. R. China
| | - Haohao Wang
- State Key Laboratory of Chemical Resources Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing100029, P. R. China
| | - Lei Shang
- State Key Laboratory of Chemical Resources Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing100029, P. R. China
| | - Ruoyang Hou
- State Key Laboratory of Chemical Resources Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing100029, P. R. China
| | - Yue Dong
- State Key Laboratory of Chemical Resources Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing100029, P. R. China
| | - Yutong Li
- College of New Energy, China University of Petroleum (East China), Qingdao266580, P. R. China
| | - Su Zhang
- State Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao266580, P. R. China
| | - Xiaohong Chen
- State Key Laboratory of Chemical Resources Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing100029, P. R. China
| | - Huaihe Song
- State Key Laboratory of Chemical Resources Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing100029, P. R. China
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Jiang Z, Meng C, Chen G, Yuan R, Li A, Zhou J, Chen X, Song H. Lithiophilic onion-like carbon spheres as lithium metal uniform deposition host. J Colloid Interface Sci 2022; 627:783-792. [PMID: 35878467 DOI: 10.1016/j.jcis.2022.07.054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/23/2022] [Accepted: 07/09/2022] [Indexed: 11/26/2022]
Abstract
Lithium metal is considered as a promising anode material for next-generation secondary batteries, owing to its high theoretical specific capacity (3860 mA h g-1). Nevertheless, the practical application of Li in lithium metal batteries (LMBs) is hampered by inhomogeneous Li deposition and irreversible "dead Li", which lead to low coulombic efficiency (CE) and safe hazards. Designing unique lithiophilic structure is an efficient strategy to control Li uniformly plating /stripping. Here, we report the silver (Ag) nanoparticles coated with nitrogen-doped onion-like carbon microspheres (Ag@NCS) as a host to reduce the nucleation overpotential of Li for dendrite-free LBMs. The Ag@NCS were prepared by a simple one-step injection pyrolysis. The lithiophilic Ag is demonstrated to be priority selective deposition of Li in the carbon cage. Meanwhile, the onion-like structure benefits to uniform lithium nucleation and dendrite-free lithium during cycling. Impressively, we successfully captured lithium metal on different hosts at atomic scale, further proving that Ag@NCS can effectively and uniformly deposit Li. Besides, Ag@NCS show a superiorly electrochemical performance with a low nucleation overpotential (∼1 mV), high CE and stable cycling performance (over 400 cycles at 0.5 mA cm-2) compared to the Ag-free onion-like carbon in LMBs. Even under harsh conditions (1 mA cm-2, 4 mA h cm-2), Ag@NCS still present superior cycling stability for more than 150 cycles. Furthermore, a full cell composed of LiFePO4 cathode exhibits significantly improved voltage hysteresis with low voltage polarization. This work provides a new choice and route for the design and preparation of lithiophilic host materials.
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Affiliation(s)
- Zipeng Jiang
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Chenyang Meng
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Guanyu Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Renlu Yuan
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Ang Li
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Jisheng Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Xiaohong Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Huaihe Song
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, PR China.
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