1
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Zhang J, Chen L, Li X, Cao H, Chen W, Wang X. Regulation Dipole Moments of N-Doped Graphene Coordinated with FePc Toward Highly Efficient Microwave Absorption Performance in C Band. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2308459. [PMID: 38348906 DOI: 10.1002/smll.202308459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 01/05/2024] [Indexed: 02/21/2024]
Abstract
The development of composites with highly efficient microwave absorption (MA) performance deeply depends on polarization loss, which can be induced by charge redistribution. Considering the fact that polarization centers can be easily obtained in graphene, herein, iron phthalocyanine (FePc) is used as polarization site to coordinate with nitrogen-doped graphene (FePc/N-rGO) to optimize MA performance comprehensively. The factors influencing MA properties focus on the interaction between FePc and N-rGO, and the change of dipole moments. The density functional theory (DFT) results demonstrated that FePc has strong interaction with N defect sites in graphene. The charge loss for FePc and charge accumulation for N-rGO occurred, leading to great increase of dipole moment, and the increased dipole moment can be acted as a descriptor to evaluate the enhanced polarization loss. Due to high charge redistribution capacity of N defect sites and FePc polarization centers, the FePc/N-rGO showed excellent MA properties in C band, and the minimum reflection loss value can reach -49.3 dB at 5.4 GHz with thickness of 3.8 mm. In addition, the fabric loaded with FePc/N-rGO showed good heat dissipation property. This work opens the door to the development of MA performance bound to polarization site with dipole moment.
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Affiliation(s)
- Jinming Zhang
- College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Lin Chen
- College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Xing Li
- College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Haijie Cao
- College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Wansong Chen
- College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao, 266071, P. R. China
| | - Xiaoxia Wang
- College of Materials Science and Engineering, Qingdao University, 308 Ningxia Road, Qingdao, 266071, P. R. China
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2
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Trigo-López M, Miguel Á, García JM, Mendía A, Ruiz V, Valente AJM, Vallejos S. Crafting and Analyzing Multi-Structured Aramid Materials and Their Pyrolytic Transformations: A Comprehensive Exploration. Polymers (Basel) 2023; 15:4315. [PMID: 37959995 PMCID: PMC10648009 DOI: 10.3390/polym15214315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
Gradient porous materials, particularly carbon-based materials, hold immense potential in the fields of batteries, energy storage, electrocatalysis, and sensing, among others, by synergistically combining the attributes associated with each pore size within a unified structural framework. In this study, we developed a gradient porous aramid (GP-Aramid) by incorporating cellulose acetate as a porosity promoter in the polymer casting solution in different proportions. These GP-Aramids were subsequently transformed into their pyrolyzed counterparts (GP-Pyramids), retaining their original structures while displaying diverse cellular or dense microstructures inherited from the parent aramid, as confirmed via scanning electron microscopy. X-ray diffraction spectra provided evidence of the conversion of aramids into carbonaceous materials. The materials showed structural defects observed through the intensity ratio of the G and D bands (ID/IG = 1.05) in the Raman spectra, while X-ray photoelectron spectra (XPS) revealed that the carbonization process yielded pyrolyzed carbon materials unusually rich in nitrogen (6%), oxygen (20%), and carbon (72%), which is especially relevant for catalysis applications. The pyrolyzed materials showed bulk resistivities from 5.3 ± 0.3 to 34.2 ± 0.6 depending on the meta- or para-orientation of the aramid and the porous structure. This work contributes to understanding these gradient porous aromatic polyamides' broader significance and potential applications in various fields.
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Affiliation(s)
- Miriam Trigo-López
- Grupo de Polímeros, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Plaza de Misael Bañuelos s/n, 09001 Burgos, Spain; (Á.M.); (J.M.G.); (A.M.)
| | - Álvaro Miguel
- Grupo de Polímeros, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Plaza de Misael Bañuelos s/n, 09001 Burgos, Spain; (Á.M.); (J.M.G.); (A.M.)
- Facultad de Ciencias, Universidad Autónoma de Madrid, Calle Einstein 3, 28049 Madrid, Spain
| | - José M. García
- Grupo de Polímeros, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Plaza de Misael Bañuelos s/n, 09001 Burgos, Spain; (Á.M.); (J.M.G.); (A.M.)
| | - Aránzazu Mendía
- Grupo de Polímeros, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Plaza de Misael Bañuelos s/n, 09001 Burgos, Spain; (Á.M.); (J.M.G.); (A.M.)
| | - Virginia Ruiz
- ProElectro, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Plaza de Misael Bañuelos s/n, 09001 Burgos, Spain;
| | - Artur J. M. Valente
- Department of Chemistry, Coimbra Chemistry Centre, University of Coimbra, 3004-535 Coimbra, Portugal;
| | - Saúl Vallejos
- Grupo de Polímeros, Departamento de Química, Facultad de Ciencias, Universidad de Burgos, Plaza de Misael Bañuelos s/n, 09001 Burgos, Spain; (Á.M.); (J.M.G.); (A.M.)
- Department of Chemistry, Coimbra Chemistry Centre, University of Coimbra, 3004-535 Coimbra, Portugal;
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3
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Jiao S, Li C, Zhang Y, Gao J, Li Z, Liu K, Wang L. ZIF-8-templated synthesis of core-shell structured IPOP@MOF hybrid-derived nitrogen-doped porous carbon for efficient oxygen reduction electrocatalysis and supercapacitor. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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4
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Chen X, Zhang W, Qu Y, Chen X, Liu Y, Lu C. Solvent-free synthesis of honeycomb-like N-doped porous carbon derived from biomass pine sawdust as an efficient metal-free electrocatalyst for oxygen reduction reaction. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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5
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Biswas A, Kapse S, Thapa R, Dey RS. Oxygen Functionalization-Induced Charging Effect on Boron Active Sites for High-Yield Electrocatalytic NH 3 Production. NANO-MICRO LETTERS 2022; 14:214. [PMID: 36334149 PMCID: PMC9637079 DOI: 10.1007/s40820-022-00966-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 10/04/2022] [Indexed: 05/16/2023]
Abstract
Ammonia has been recognized as the future renewable energy fuel because of its wide-ranging applications in H2 storage and transportation sector. In order to avoid the environmentally hazardous Haber-Bosch process, recently, the third-generation ambient ammonia synthesis has drawn phenomenal attention and thus tremendous efforts are devoted to developing efficient electrocatalysts that would circumvent the bottlenecks of the electrochemical nitrogen reduction reaction (NRR) like competitive hydrogen evolution reaction, poor selectivity of N2 on catalyst surface. Herein, we report the synthesis of an oxygen-functionalized boron carbonitride matrix via a two-step pyrolysis technique. The conductive BNCO(1000) architecture, the compatibility of B-2pz orbital with the N-2pz orbital and the charging effect over B due to the C and O edge-atoms in a pentagon altogether facilitate N2 adsorption on the B edge-active sites. The optimum electrolyte acidity with 0.1 M HCl and the lowered anion crowding effect aid the protonation steps of NRR via an associative alternating pathway, which gives a sufficiently high yield of ammonia (211.5 μg h-1 mgcat-1) on the optimized BNCO(1000) catalyst with a Faradaic efficiency of 34.7% at - 0.1 V vs RHE. This work thus offers a cost-effective electrode material and provides a contemporary idea about reinforcing the charging effect over the secured active sites for NRR by selectively choosing the electrolyte anions and functionalizing the active edges of the BNCO(1000) catalyst.
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Affiliation(s)
- Ashmita Biswas
- Institute of Nano Science and Technology (INST), Sector-81, Mohali, Punjab, 140306, India
| | - Samadhan Kapse
- Department of Physics, SRM University-AP, Amaravati, Andhra Pradesh, 522240, India
| | - Ranjit Thapa
- Department of Physics, SRM University-AP, Amaravati, Andhra Pradesh, 522240, India
| | - Ramendra Sundar Dey
- Institute of Nano Science and Technology (INST), Sector-81, Mohali, Punjab, 140306, India.
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6
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Yu A, Long W, Zhu L, Zhao Y, Peng P, Li FF. Transformation of postsynthesized F-MOF to Fe/N/F-tridoped carbon nanotubes as oxygen reduction catalysts for high power density Zn-air batteries. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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7
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Wang K, Yang J, Liu W, Yang H, Yi W, Sun Y, Yang G. Self‑nitrogen-doped carbon materials derived from microalgae by lipid extraction pretreatment: Highly efficient catalyst for the oxygen reduction reaction. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 821:153155. [PMID: 35077784 DOI: 10.1016/j.scitotenv.2022.153155] [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: 11/08/2021] [Revised: 12/29/2021] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
Biomass-based nitrogen-doped carbon-based material has gradually become a premising metal alternative catalyst for oxygen reduction reaction due to their broad resources, renewable property, and low cost. However, the efficient nitrogen doping is still restricted by their low content and poor conversion efficiency. In this study, self- nitrogen -doped biomass-based carbon materials with high content of nitrogen (27.8% pyridinic-N and 40.3% graphitic-N) and hierarchical pore structure were prepared via lipid extraction pretreatment. The obtained microalgae residue carbon (MRC) catalyst exhibits superior oxygen reduction reaction performance, in terms of more preferable electrode performance and better stability, higher power density in the microbial fuel cells system compared to that of microalgae carbon (MAC). The onset potential of the MRC is 60 mV higher than that of MAC, and the maximum power density of microbial fuel cells (MFCs) with MRC as cathode catalyst reache 412.85 mW m-2. This can be attributed to the fact of that the lipid extraction was not only beneficial to the nitrogen enhancement and oriented conversion but also be conductive to the structure construction. The synergistic effect between active sites and hierarchical structure endows the catalyst excellent ORR performance and good stability in the MFCs system.
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Affiliation(s)
- Kexin Wang
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China
| | - Juntao Yang
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China; School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
| | - Weidong Liu
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China; School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
| | - Hui Yang
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China
| | - Weiming Yi
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China
| | - Yongming Sun
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China
| | - Gaixiu Yang
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China.
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8
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Successful Manufacturing Protocols of N-Rich Carbon Electrodes Ensuring High ORR Activity: A Review. Processes (Basel) 2022. [DOI: 10.3390/pr10040643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The exploration and development of different carbon nanomaterials happening over the past years have established carbon electrodes as an important electrocatalyst for oxygen reduction reaction. Metal-free catalysts are especially promising potential alternatives for replacing Pt-based catalysts. This article describes recent advances and challenges in the three main synthesis manners (i.e., pyrolysis, hydrothermal method, and chemical vapor deposition) as effective methods for the production of metal-free carbon-based catalysts. To improve the catalytic activity, heteroatom doping the structure of graphene, carbon nanotubes, porous carbons, and carbon nanofibers is important and makes them a prospective candidate for commercial applications. Special attention is paid to providing an overview on the recent major works about nitrogen-doped carbon electrodes with various concentrations and chemical environments of the heteroatom active sites. A detailed discussion and summary of catalytic properties in aqueous electrolytes is given for graphene and porous carbon-based catalysts in particular, including recent studies performed in the authors’ research group. Finally, we discuss pathways and development opportunities approaching the practical use of mainly graphene-based catalysts for metal–air batteries and fuel cells.
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9
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Narwade SS, Mali SM, Tanwade PD, Chavan PP, Munde AV, Sathe BR. Highly efficient metal-free ethylenediamine-functionalized fullerene (EDA@C 60) electrocatalytic system for enhanced hydrogen generation from hydrazine hydrate. NEW J CHEM 2022. [DOI: 10.1039/d2nj01392d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Ethylenediamine functionalized C60 (EDA@C60) based electrocatalyst demonstrated for hydrazine oxidation and it shows more than double current density i.e. 20 mA cm−2 at an ultralow onset potential of 0.2 V vs. SCE with better stability over oxidized C60.
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Affiliation(s)
- Shankar S. Narwade
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004 (MS), India
| | - Shivsharan M. Mali
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004 (MS), India
| | - Pratiksha D. Tanwade
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004 (MS), India
| | - Parag P. Chavan
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004 (MS), India
| | - Ajay V. Munde
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004 (MS), India
| | - Bhaskar R. Sathe
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004 (MS), India
- Department of Nanotechnology, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004 (MS), India
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10
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Abdollahi A, Abnavi A, Ghasemi F, Ghasemi S, Sanaee Z, Mohajerzadeh S. Facile synthesis and simulation of MnO2 nanoflakes on vertically aligned carbon nanotubes, as a high-performance electrode for Li-ion battery and supercapacitor. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138826] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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11
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A Ocsoy M, Yusufbeyoglu S, Ildiz N, Ulgen A, Ocsoy I. DNA Aptamer-Conjugated Magnetic Graphene Oxide for Pathogenic Bacteria Aggregation: Selective and Enhanced Photothermal Therapy for Effective and Rapid Killing. ACS OMEGA 2021; 6:20637-20643. [PMID: 34396009 PMCID: PMC8359158 DOI: 10.1021/acsomega.1c02832] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/19/2021] [Indexed: 05/19/2023]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA), often called "superbug", is a nosocomial and multidrug resistance bacterium that shows resistance to β-lactam antibiotics. There has been high demand to develop an alternative treatment model to antibiotics for efficiently fighting MRSA. Herein, we developed DNA aptamer-conjugated magnetic graphene oxide (Apt@MGO) as a multifunctional and biocompatible nanoplatform for selective and rapid eradication of MRSA and evaluated heat generation and cell death performance of Apt@MGO for the first time under dispersed and aggregated states. The aptamer sequence was specifically selected for MRSA and acted as a molecular targeting probe for selective MRSA recognition and antibiotic-free therapy. Magnetic graphene oxide (MGO) serves as a nanoplatform for aptamer conjugation and as a photothermal agent by converting near-infrared (NIR) light to heat. Iron oxide nanoparticles (Fe3O4 NPs) are formed on GO to prepare MGO, which shows magnetic properties for collecting MRSA cells in a certain area in the reaction tube by an external magnet. The collected MGO induces remarkably high local heating and eventual MRSA cell death under NIR laser irradiation. We demonstrate that Apt@MGO resulted in ∼78% MRSA and over >97% MRSA cell inactivation in dispersed and aggregated states, respectively, under 200 seconds (sn) exposure of NIR irradiation (808 nm, 1.1 W cm-2). An in vitro study highlights that Apt@MGO is considered a targeted, biocompatible, and light-activated photothermal agent for efficient and rapid killing of MRSA in the aggregated state under NIR light.
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Affiliation(s)
- Muserref A Ocsoy
- Department
of Physics, Faculty of Science, Erciyes
University, 38039 Kayseri, Turkey
| | - Sadi Yusufbeyoglu
- Department
of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38039 Kayseri, Turkey
- Department
of Pharmacognosy, Faculty of Gülhane Pharmacy, University of Health Sciences, 06010 Ankara, Turkey
| | - Nilay Ildiz
- Department
of Pharmaceutical Microbiology, Faculty of Pharmacy, Erciyes University, 38039 Kayseri, Turkey
| | - Ahmet Ulgen
- Department
of Chemistry, Faculty of Science, Erciyes
University, 38039 Kayseri, Turkey
| | - Ismail Ocsoy
- Department
of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, 38039 Kayseri, Turkey
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12
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Narwade SS, Mali SM, Sathe BR. Amine-functionalized multi-walled carbon nanotubes (EDA-MWCNTs) for electrochemical water splitting reactions. NEW J CHEM 2021. [DOI: 10.1039/d0nj05479h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A study on the in situ decoration of ethylenediamine (EDA) on acid functionalized multi-walled carbon nanotubes (O-MWCNTs) for overall water splitting reactions at all pH as an efficient and inexpensive metal-free multifunctional electrocatalyst.
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Affiliation(s)
- Shankar S. Narwade
- Department of Chemistry
- Dr. Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
| | - Shivsharan M. Mali
- Department of Chemistry
- Dr. Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
| | - Bhaskar R. Sathe
- Department of Chemistry
- Dr. Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
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13
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Mohamed MAA, Carrasco‐Marín F, Elessawy NA, Hamad HAF. Glucose‐Derived N‐Doped Graphitic Carbon: Facile One‐Pot Graphitic Structure‐Controlled Chemical Synthesis with Comprehensive Insight into the Controlling Mechanisms. ChemistrySelect 2020. [DOI: 10.1002/slct.202003014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Marwa A. A. Mohamed
- Fabrication Technology Department, Advanced Technology and New Materials Research Institute City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab Alexandria 21934 Egypt
| | - Francisco Carrasco‐Marín
- Carbon Materials Research Group, Adsorption and Catalysis Lab. Inorganic Chemistry Department, Faculty of Science, University of Granada 18071 Granada Spain
| | - Noha A. Elessawy
- Central Laboratory, Advanced Technology and New Materials Research Institute City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab Alexandria 21934 Egypt
| | - Hesham A. F. Hamad
- Fabrication Technology Department, Advanced Technology and New Materials Research Institute City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab Alexandria 21934 Egypt
- Carbon Materials Research Group, Adsorption and Catalysis Lab. Inorganic Chemistry Department, Faculty of Science, University of Granada 18071 Granada Spain
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14
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Purkait T, Dey RS. Fabrication of a membrane-less non-enzymatic glucose-air fuel cell with graphene‑cobalt oxide nanocomposite anode and Fe, N-doped biomass carbon cathode. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114467] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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15
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Tsyganov D, Bundaleska N, Henriques J, Felizardo E, Dias A, Abrashev M, Kissovski J, Botelho do Rego AM, Ferraria AM, Tatarova E. Simultaneous Synthesis and Nitrogen Doping of Free-Standing Graphene Applying Microwave Plasma. MATERIALS 2020; 13:ma13184213. [PMID: 32972003 PMCID: PMC7560455 DOI: 10.3390/ma13184213] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/10/2020] [Accepted: 09/21/2020] [Indexed: 11/16/2022]
Abstract
An experimental and theoretical investigation on microwave plasma-based synthesis of free-standing N-graphene, i.e., nitrogen-doped graphene, was further extended using ethanol and nitrogen gas as precursors. The in situ assembly of N-graphene is a single-step method, based on the introduction of N-containing precursor together with carbon precursor in the reactive microwave plasma environment at atmospheric pressure conditions. A previously developed theoretical model was updated to account for the new reactor geometry and the nitrogen precursor employed. The theoretical predictions of the model are in good agreement with all experimental data and assist in deeper understanding of the complicated physical and chemical process in microwave plasma. Optical Emission Spectroscopy was used to detect the emission of plasma-generated ‘‘building units’’ and to determine the gas temperature. The outlet gas was analyzed by Fourier-Transform Infrared Spectroscopy to detect the generated gaseous by-products. The synthesized N-graphene was characterized by Scanning Electron Microscopy, Raman, and X-ray photoelectron spectroscopies.
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Affiliation(s)
- D. Tsyganov
- Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (D.T.); (J.H.); (E.F.); (A.D.); (E.T.)
| | - N. Bundaleska
- Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (D.T.); (J.H.); (E.F.); (A.D.); (E.T.)
- Correspondence:
| | - J. Henriques
- Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (D.T.); (J.H.); (E.F.); (A.D.); (E.T.)
| | - E. Felizardo
- Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (D.T.); (J.H.); (E.F.); (A.D.); (E.T.)
| | - A. Dias
- Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (D.T.); (J.H.); (E.F.); (A.D.); (E.T.)
| | - M. Abrashev
- Faculty of Physics, Sofia University, 1164 Sofia, Bulgaria; (M.A.); (J.K.)
| | - J. Kissovski
- Faculty of Physics, Sofia University, 1164 Sofia, Bulgaria; (M.A.); (J.K.)
| | - A. M. Botelho do Rego
- BSIRG, iBB, DEQ, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (A.M.B.d.R.); (A.M.F.)
| | - A. M. Ferraria
- BSIRG, iBB, DEQ, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (A.M.B.d.R.); (A.M.F.)
| | - E. Tatarova
- Instituto de Plasmas e Fusão Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal; (D.T.); (J.H.); (E.F.); (A.D.); (E.T.)
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16
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Hao MG, Dun RM, Su YM, Li WM. Highly active Fe-N-doped porous hollow carbon nanospheres as oxygen reduction electrocatalysts in both acidic and alkaline media. NANOSCALE 2020; 12:15115-15127. [PMID: 32657297 DOI: 10.1039/d0nr02763d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Hierarchical iron-nitrogen-codoped porous hollow carbon spheres have been synthesized by using melamine-formaldehyde (MF) resin spheres as templates, nitrogen sources and pore-forming agents. FeCl3, 1,10-phenanthroline and carbon black were used as iron, nitrogen and carbon sources. The as-obtained porous hollow carbon spheres possess a high specific surface area of 807 m2 g-1, as well as exhibited excellent electrocatalytic activity for the oxygen reduction reaction (ORR) in both acidic and alkaline media. In 0.1 M HClO4 solution, the onset potential was 0.857 V (vs. RHE) and the half-wave potential was 0.715 V, which are only 78 and 80 mV less than those of the 20% Pt/C catalyst, respectively. In addition, in 0.1 M KOH solution, the onset potential was 1.017 V and the half-wave potential was 0.871 V for the ORR, which are 22 and 28 mV more positive than those of the Pt/C catalyst, respectively. Meanwhile, the catalyst also exhibited excellent methanol tolerance and long-term durability with a more effective four-electron pathway compared to the 20% Pt/C catalyst in both acidic and alkaline media. When used as an air-cathode catalyst for a Zn-air battery, the maximum power density of a Zn-air battery with the MF-C-Fe-Phen-800 cathode was 235 mW cm-2 at a high current density of 371 mA cm-2, and a high open-circuit potential of 1.654 V, superior to that of Pt/C (199 mW cm-2, 300 mA cm-2, 1.457 V). A series of designed experiments suggested that the remarkable performance was attributed to the high specific area, hollow carbon spheres, unique hierarchical micro-mesoporous structures, high contents of pyridinic-N and graphitic-N. The superiority of the as-prepared catalyst makes it promising for use in practical applications.
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Affiliation(s)
- Meng-Geng Hao
- Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Rong-Min Dun
- Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Miao Su
- Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.
| | - Wen-Mu Li
- Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.
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Wang H, Zhang W, Bai P, Xu L. Ultrasound-assisted transformation from waste biomass to efficient carbon-based metal-free pH-universal oxygen reduction reaction electrocatalysts. ULTRASONICS SONOCHEMISTRY 2020; 65:105048. [PMID: 32203918 DOI: 10.1016/j.ultsonch.2020.105048] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/15/2020] [Accepted: 02/27/2020] [Indexed: 06/10/2023]
Abstract
Efficient carbon-based nitrogen-doped electrocatalysts derived from waste biomass are regarded as a promising alternative to noble metal catalysts for oxygen reduction reaction (ORR), which is crucial to fuel cell performance. Here, coconut palm leaves are employed as the carbon source and a series of nitrogen-doped porous carbons were prepared by virtue of a facile and mild ultrasound-assisted method. The obtained carbon material (ANDC-900-10) conveys excellent pH-universal catalytic activity with onset potentials (Eonset) of 1.01, 0.91 and 0.84 V vs. RHE, half-wave potentials (E1/2) of 0.87, 0.74 and 0.66 V vs. RHE and limiting current densities (JL) of 5.50, 5.45 and 4.97 mA cm-2 in alkaline, neutral and acidic electrolytes, respectively, prevailing over the commercial Pt/C catalyst and, what's more, ANDC-900-10 displays preeminent methanol crossover resistance and long-term stability in the broad pH range (0-13), thanks to its abundant hierarchical nanopores as well as effective nitrogen doping with high-density pyridinic-N and graphitic-N. This work provides sonochemical insight for underpinning the eco-friendly approach to rationally designing versatile metal-free carbon-based catalysts toward the ORR at various pH levels.
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Affiliation(s)
- Huifen Wang
- MOE Key Laboratory of Coal Processing and Efficient Utilization, School of Chemical Engineering and Technology, China University of Mining and Technology, 1 Daxue Road, Xuzhou, Jiangsu 221116, China
| | - Wendu Zhang
- MOE Key Laboratory of Coal Processing and Efficient Utilization, School of Chemical Engineering and Technology, China University of Mining and Technology, 1 Daxue Road, Xuzhou, Jiangsu 221116, China
| | - Peiyao Bai
- MOE Key Laboratory of Coal Processing and Efficient Utilization, School of Chemical Engineering and Technology, China University of Mining and Technology, 1 Daxue Road, Xuzhou, Jiangsu 221116, China
| | - Lang Xu
- MOE Key Laboratory of Coal Processing and Efficient Utilization, School of Chemical Engineering and Technology, China University of Mining and Technology, 1 Daxue Road, Xuzhou, Jiangsu 221116, China.
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18
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Jia Y, Xiong X, Wang D, Duan X, Sun K, Li Y, Zheng L, Lin W, Dong M, Zhang G, Liu W, Sun X. Atomically Dispersed Fe-N 4 Modified with Precisely Located S for Highly Efficient Oxygen Reduction. NANO-MICRO LETTERS 2020; 12:116. [PMID: 34138133 PMCID: PMC7770948 DOI: 10.1007/s40820-020-00456-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 02/28/2020] [Indexed: 05/28/2023]
Abstract
Immobilizing metal atoms by multiple nitrogen atoms has triggered exceptional catalytic activity toward many critical electrochemical reactions due to their merits of highly unsaturated coordination and strong metal-substrate interaction. Herein, atomically dispersed Fe-NC material with precise sulfur modification to Fe periphery (termed as Fe-NSC) was synthesized, X-ray absorption near edge structure analysis confirmed the central Fe atom being stabilized in a specific configuration of Fe(N3)(N-C-S). By enabling precisely localized S doping, the electronic structure of Fe-N4 moiety could be mediated, leading to the beneficial adjustment of absorption/desorption properties of reactant/intermediate on Fe center. Density functional theory simulation suggested that more negative charge density would be localized over Fe-N4 moiety after S doping, allowing weakened binding capability to *OH intermediates and faster charge transfer from Fe center to O species. Electrochemical measurements revealed that the Fe-NSC sample exhibited significantly enhanced oxygen reduction reaction performance compared to the S-free Fe-NC material (termed as Fe-NC), showing an excellent onset potential of 1.09 V and half-wave potential of 0.92 V in 0.1 M KOH. Our work may enlighten relevant studies regarding to accessing improvement on the catalytic performance of atomically dispersed M-NC materials by managing precisely tuned local environments of M-Nx moiety.
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Affiliation(s)
- Yin Jia
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Xuya Xiong
- Interdisciplinary Nanoscience Center (INANO), Sino-Danish Center for Education and Research (SDC), Aarhus University, 8000, Aarhus C, Denmark
| | - Danni Wang
- Shandong University of Science and Technology, Electrical Engineering and Automation, Tsingtao, 266590, People's Republic of China
| | - Xinxuan Duan
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Kai Sun
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Yajie Li
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Wenfeng Lin
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Mingdong Dong
- Interdisciplinary Nanoscience Center (INANO), Sino-Danish Center for Education and Research (SDC), Aarhus University, 8000, Aarhus C, Denmark
| | - Guoxin Zhang
- Shandong University of Science and Technology, Electrical Engineering and Automation, Tsingtao, 266590, People's Republic of China.
| | - Wen Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
| | - Xiaoming Sun
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
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Saad A, Shen H, Cheng Z, Arbi R, Guo B, Hui LS, Liang K, Liu S, Attfield JP, Turak A, Wang J, Yang M. Mesoporous Ternary Nitrides of Earth-Abundant Metals as Oxygen Evolution Electrocatalyst. NANO-MICRO LETTERS 2020; 12:79. [PMID: 34138285 PMCID: PMC7770804 DOI: 10.1007/s40820-020-0412-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 02/20/2020] [Indexed: 05/06/2023]
Abstract
As sustainable energy becomes a major concern for modern society, renewable and clean energy systems need highly active, stable, and low-cost catalysts for the oxygen evolution reaction (OER). Mesoporous materials offer an attractive route for generating efficient electrocatalysts with high mass transport capabilities. Herein, we report an efficient hard templating pathway to design and synthesize three-dimensional (3-D) mesoporous ternary nickel iron nitride (Ni3FeN). The as-synthesized electrocatalyst shows good OER performance in an alkaline solution with low overpotential (259 mV) and a small Tafel slope (54 mV dec-1), giving superior performance to IrO2 and RuO2 catalysts. The highly active contact area, the hierarchical porosity, and the synergistic effect of bimetal atoms contributed to the improved electrocatalytic performance toward OER. In a practical rechargeable Zn-air battery, mesoporous Ni3FeN is also shown to deliver a lower charging voltage and longer lifetime than RuO2. This work opens up a new promising approach to synthesize active OER electrocatalysts for energy-related devices.
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Affiliation(s)
- Ali Saad
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, Zhejiang Province, People's Republic of China
| | - Hangjia Shen
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, Zhejiang Province, People's Republic of China
| | - Zhixing Cheng
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, Zhejiang Province, People's Republic of China
| | - Ramis Arbi
- Department of Engineering Physics, McMaster University, Hamilton, L8S 4L7, Canada
| | - Beibei Guo
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, People's Republic of China
| | - Lok Shu Hui
- Department of Engineering Physics, McMaster University, Hamilton, L8S 4L7, Canada
| | - Kunyu Liang
- Department of Engineering Physics, McMaster University, Hamilton, L8S 4L7, Canada
| | - Siqi Liu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, Zhejiang Province, People's Republic of China
| | - John Paul Attfield
- Centre for Science at Extreme Conditions and EaStCHEM School of Chemistry, University of Edinburgh, Kings Buildings, West Mains Road, Edinburgh, EH9 3JJ, UK
| | - Ayse Turak
- Department of Engineering Physics, McMaster University, Hamilton, L8S 4L7, Canada.
| | - Jiacheng Wang
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, People's Republic of China.
| | - Minghui Yang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, Zhejiang Province, People's Republic of China.
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
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20
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Sarkar S, Biswas A, Purkait T, Das M, Kamboj N, Dey RS. Unravelling the Role of Fe–Mn Binary Active Sites Electrocatalyst for Efficient Oxygen Reduction Reaction and Rechargeable Zn-Air Batteries. Inorg Chem 2020; 59:5194-5205. [DOI: 10.1021/acs.inorgchem.0c00446] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Subhajit Sarkar
- Institute of Nano Science and Technology, S. A. S. Nagar, Sector-64, Mohali-160062, Punjab India
| | - Ashmita Biswas
- Institute of Nano Science and Technology, S. A. S. Nagar, Sector-64, Mohali-160062, Punjab India
| | - Taniya Purkait
- Institute of Nano Science and Technology, S. A. S. Nagar, Sector-64, Mohali-160062, Punjab India
| | - Manisha Das
- Institute of Nano Science and Technology, S. A. S. Nagar, Sector-64, Mohali-160062, Punjab India
| | - Navpreet Kamboj
- Institute of Nano Science and Technology, S. A. S. Nagar, Sector-64, Mohali-160062, Punjab India
| | - Ramendra Sundar Dey
- Institute of Nano Science and Technology, S. A. S. Nagar, Sector-64, Mohali-160062, Punjab India
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21
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Hydrothermal Carbon/Carbon Nanotube Composites as Electrocatalysts for the Oxygen Reduction Reaction. JOURNAL OF COMPOSITES SCIENCE 2020. [DOI: 10.3390/jcs4010020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The oxygen reduction reaction is an essential reaction in several energy conversion devices such as fuel cells and batteries. So far, the best performance is obtained by using platinum-based electrocatalysts, which make the devices really expensive, and thus, new and more affordable materials should be designed. Biomass-derived carbons were prepared by hydrothermal carbonization in the presence of carbon nanotubes with different oxygen surface functionalities to evaluate their effect on the final properties. Additionally, nitrogen functional groups were also introduced by ball milling the carbon composite together with melamine. The oxygen groups on the surface of the carbon nanotubes favor their dispersion into the precursor mixture and the formation of a more homogenous carbon structure with higher mechanical strength. This type of structure partially avoids the crushing of the nanotubes and the carbon spheres during the ball milling, resulting in a carbon composite with enhanced electrical conductivity. Undoped and N-doped composites were used as electrocatalysts for the oxygen reduction reaction. The onset potential increases by 20% due to the incorporation of carbon nanotubes (CNTs) and nitrogen, which increases the number of active sites and improves the chemical reactivity, while the limiting current density increases by 47% due to the higher electrical conductivity.
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22
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Cai Z, Yamada I, Yagi S. ZIF-Derived Co 9-xNi xS 8 Nanoparticles Immobilized on N-Doped Carbons as Efficient Catalysts for High-Performance Zinc-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2020; 12:5847-5856. [PMID: 31944103 DOI: 10.1021/acsami.9b19268] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Bimetallic sulfides have been attracting considerable attention because of their high catalytic activities for oxygen reduction reaction (ORR) and oxygen evolution reaction; thus, they are considered efficient catalysts for important energy conversion devices such as fuel cells and metal-air batteries. Here, the catalytic activity of a novel catalyst composed of Co9-xNixS8 nanoparticles immobilized on N-doped carbons (Co9-xNixS8/NC) is reported. The catalyst is synthesized using a Ni-adsorbed Co-Zn zeolitic imidazolate framework (ZIF) precursor (NiCoZn-ZIF). Because of the porous structure of ZIF and the high intrinsic activity of the bimetallic sulfide nanoparticles, the Co9-xNixS8/NC catalyst exhibits high half-wave potential 0.86 V versus reversible hydrogen electrode for ORR and outstanding bifunctional catalytic performance. When Co9-xNixS8/NC is applied as a cathode catalyst in zinc-air batteries, considerably higher power density of about 75 mW cm-2 and discharge voltage are achieved compared to those of batteries with commercial Pt/C and other ZIF-derived catalysts. The zinc-air battery with the Co9-xNixS8/NC catalyst shows a high cyclability more than 170 cycles for 60 h with almost negligible decline at 10 mA cm-2. Our work provides a new insight into the design of bimetallic sulfide composites with high catalytic activities.
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Affiliation(s)
- Zuocheng Cai
- Institute of Industrial Science , The University of Tokyo , 4-6-1 Komaba , Meguro-ku, Tokyo 153-8505 , Japan
| | - Ikuya Yamada
- Department of Materials Science, Graduate School of Engineering , Osaka Prefecture University , 1-2 Gakuen-cho , Naka-ku, Sakai , Osaka 599-8570 , Japan
| | - Shunsuke Yagi
- Institute of Industrial Science , The University of Tokyo , 4-6-1 Komaba , Meguro-ku, Tokyo 153-8505 , Japan
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23
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Cao KW, Huang H, Li FM, Yao HC, Bai J, Chen P, Jin PJ, Deng ZW, Zeng JH, Chen Y. Co nanoparticles supported on three-dimensionally N-doped holey graphene aerogels for electrocatalytic oxygen reduction. J Colloid Interface Sci 2020; 559:143-151. [PMID: 31622816 DOI: 10.1016/j.jcis.2019.10.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/08/2019] [Accepted: 10/08/2019] [Indexed: 11/26/2022]
Abstract
The reactive and stable catalysts for the oxygen reduction reaction are highly desirable for low temperature fuel cells. The commercial oxygen reduction reaction electrocatalysts generally reply on noble metal based nanomaterials, which suffer from inherent cost and selectivity issues. At present, it still remains challenge for designing efficient non-noble metal-based oxygen reduction reaction electrocatalysts. Herein, we successfully synthesize Co nanoparticles supported on three-dimensionally N-doped holey graphene aerogels hybrids by the high-temperature calcination of the graphene aerogels-polyallylamine-CoII hybrids. The component optimized hybrids show the excellent electrocatalytic activity for oxygen reduction reaction in alkaline media, which is comparable to commercial Pt/C electrocatalyst. Meanwhile, the hybrids also show eminent tolerance for CO and methanol, attributing to their excellent oxygen reduction reaction selectivity. The three-dimensionally interconnected structure of graphene aerogels, N-doping, uniform dispersion and high crystallinity of Co nanoparticles, and holey structure of graphene contribute to the striking oxygen reduction reaction activity of hybrids.
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Affiliation(s)
- Kai-Wen Cao
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Hao Huang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Fu-Min Li
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Hong-Chang Yao
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Juan Bai
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China.
| | - Pei Chen
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Pu-Jun Jin
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Zi-Wei Deng
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Jing-Hui Zeng
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Yu Chen
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China.
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24
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Guo C, Li Y, Li Z, Liu Y, Si Y, Luo Z. Nanochannel-Controlled Synthesis of Ultrahigh Nitrogen-Doping Efficiency on Mesoporous Fe/N/C Catalysts for Oxygen Reduction Reaction. NANOSCALE RESEARCH LETTERS 2020; 15:21. [PMID: 31993836 PMCID: PMC6987278 DOI: 10.1186/s11671-020-3254-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
Designing appropriate methods to effectively enhance nitrogen-doping efficiency and active-site density is essential to boost the oxygen reduction reaction (ORR) activity of non-platinum Fe/N/C-type electrocatalysts. Here, we propose a facile and effective strategy to design a mesopore-structured Fe/N/C catalyst for the ORR with ultrahigh BET surface area and outstanding conductivity via nanochannels of molecular sieve-confined pyrolysis of Fe2+ ions coordinated with 2,4,6-tri(2-pyridyl)-1,3,5-triazine complexes as a novel precursor with the stable coordination effect. Combining the nanochannel-confined effect with the stable coordination effect can synergistically improve the thermal stability and stabilize the nitrogen-enriched active sites, and help to control the loss of active N atoms during pyrolysis process and to further obtain a high active-site density for enhancing the ORR activity. The as-prepared Fe/N/C electrocatalyst has exhibited excellent catalytic activity with an onset potential of ~ 0.841 V (versus RHE) closely approaching the Pt/C catalyst and high long-term stability in alkaline electrolyte. Besides, low-hydrogen peroxide yield (< 6.5%) and high electron transfer number (3.88-3.94) can be found on this catalyst, indicating that it is a valuable substitute for traditional Pt/C catalysts. This work paves a new way to design high-performance Fe/N/C electrocatalysts and deepens the understanding of active site and ORR catalysis mechanism.
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Affiliation(s)
- Chaozhong Guo
- College of Materials Science and Engineering/Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing, 402160, China.
| | - Yanrong Li
- College of Materials Science and Engineering/Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing, 402160, China
| | - Zhaoxu Li
- College of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China
| | - Yao Liu
- College of Materials Science and Engineering/Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing, 402160, China
| | - Yujun Si
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong, 643000, China.
| | - Zhongli Luo
- College of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China.
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25
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Guo B, Ma R, Li Z, Guo S, Luo J, Yang M, Liu Q, Thomas T, Wang J. Hierarchical N-Doped Porous Carbons for Zn-Air Batteries and Supercapacitors. NANO-MICRO LETTERS 2020; 12:20. [PMID: 34138057 PMCID: PMC7770743 DOI: 10.1007/s40820-019-0364-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 11/29/2019] [Indexed: 05/06/2023]
Abstract
Nitrogen-doped carbon materials with a large specific surface area, high conductivity, and adjustable microstructures have many prospects for energy-related applications. This is especially true for N-doped nanocarbons used in the electrocatalytic oxygen reduction reaction (ORR) and supercapacitors. Here, we report a low-cost, environmentally friendly, large-scale mechanochemical method of preparing N-doped porous carbons (NPCs) with hierarchical micro-mesopores and a large surface area via ball-milling polymerization followed by pyrolysis. The optimized NPC prepared at 1000 °C (NPC-1000) offers excellent ORR activity with an onset potential (Eonset) and half-wave potential (E1/2) of 0.9 and 0.82 V, respectively (vs. a reversible hydrogen electrode), which are only approximately 30 mV lower than that of Pt/C. The rechargeable Zn-air battery assembled using NPC-1000 and the NiFe-layered double hydroxide as bifunctional ORR and oxygen evolution reaction electrodes offered superior cycling stability and comparable discharge performance to RuO2 and Pt/C. Moreover, the supercapacitor electrode equipped with NPC prepared at 800 °C exhibited a high specific capacity (431 F g-1 at 10 mV s-1), outstanding rate, performance, and excellent cycling stability in an aqueous 6-M KOH solution. This work demonstrates the potential of the mechanochemical preparation method of porous carbons, which are important for energy conversion and storage.
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Affiliation(s)
- Beibei Guo
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Ruguang Ma
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Zichuang Li
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Shaokui Guo
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Jun Luo
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, People's Republic of China
| | - Minghui Yang
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
- Solid State Functional Materials Research Laboratory, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
| | - Qian Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Tiju Thomas
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Adyar, Chennai, Tamil Nadu, 600036, India
| | - Jiacheng Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China.
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
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26
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Facile one step synthesis of Cu-g-C3N4 electrocatalyst realized oxygen reduction reaction with excellent methanol crossover impact and durability. J Colloid Interface Sci 2020; 558:182-189. [DOI: 10.1016/j.jcis.2019.09.107] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 09/17/2019] [Accepted: 09/27/2019] [Indexed: 11/17/2022]
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27
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Yang C, Zhou M, He C, Gao Y, Li S, Fan X, Lin Y, Cheng F, Zhu P, Cheng C. Augmenting Intrinsic Fenton-Like Activities of MOF-Derived Catalysts via N-Molecule-Assisted Self-catalyzed Carbonization. NANO-MICRO LETTERS 2019; 11:87. [PMID: 34138053 PMCID: PMC7770684 DOI: 10.1007/s40820-019-0319-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 09/29/2019] [Indexed: 05/23/2023]
Abstract
To overcome the ever-growing organic pollutions in the water system, abundant efforts have been dedicated to fabricating efficient Fenton-like carbon catalysts. However, the rational design of carbon catalysts with high intrinsic activity remains a long-term goal. Herein, we report a new N-molecule-assisted self-catalytic carbonization process in augmenting the intrinsic Fenton-like activity of metal-organic-framework-derived carbon hybrids. During carbonization, the N-molecules provide alkane/ammonia gases and the formed iron nanocrystals act as the in situ catalysts, which result in the elaborated formation of carbon nanotubes (in situ chemical vapor deposition from alkane/iron catalysts) and micro-/meso-porous structures (ammonia gas etching). The obtained catalysts exhibited with abundant Fe/Fe-Nx/pyridinic-N active species, micro-/meso-porous structures, and conductive carbon nanotubes. Consequently, the catalysts exhibit high efficiency toward the degradation of different organic pollutions, such as bisphenol A, methylene blue, and tetracycline. This study not only creates a new pathway for achieving highly active Fenton-like carbon catalysts but also takes a step toward the customized production of advanced carbon hybrids for diverse energy and environmental applications.
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Affiliation(s)
- Chengdong Yang
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Mi Zhou
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Chao He
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Yun Gao
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Shuang Li
- Functional Materials, Department of Chemistry, Technische Universität Berlin, Hardenbergstraße 40, 10623, Berlin, Germany
| | - Xin Fan
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Yi Lin
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China.
| | - Fei Cheng
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Puxin Zhu
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China.
| | - Chong Cheng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
- Department of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
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28
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Gu L, Chu Y, Du H, Zhang Y, Zhao J, Xie Y. Supramolecular Iron Complex Formed Between Nitrogen Riched Phenanthroline Derivative and Iron With Improved Oxygen Reduction Activity in Alkaline Electrolyte. Front Chem 2019; 7:622. [PMID: 31572713 PMCID: PMC6753333 DOI: 10.3389/fchem.2019.00622] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 08/29/2019] [Indexed: 11/13/2022] Open
Abstract
In this work, the synthesis and evaluation of a new type non-noble metal oxygen reduction reaction (ORR) catalyst is reported. The catalyst is a complex containing iron ions and multiple N active sites, which displayed excellent oxygen reduction activity in alkaline medium. 2-(2-(4-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)pyridin-2-yl)pyridin-4-yl)-1H-imidazo[4,5-f][1,10]phenanthroline (PIPhen) was synthesized and used as a ligand to form a rich nitrogen iron coordination complex (Fe-PIPhen), and the complex was then loaded onto the carbon powder to form the target catalyst of Fe-PIPhen/C. The physical characterization of the catalyst was conducted by using Scanning Electron Microscopy (SEM), nitrogen adsorption-desorption and X-ray photoelectron spectroscopy (XPS), Brunauer-Emmett-Teller analysis etc. Electrochemical characterizations were realized by taking cyclic voltammetry (CV), linear sweep voltammetry (LSV) and rotating ring disk electrode (RRDE). The results show that Fe-PIPhen/C possesses the good performance; it exhibits a high electrocatalytic activity, which is mainly via a four electron ORR pathway, with a low hydrogen peroxide yield of 2.58%. And, the average electron transfer number of 3.93 was obtained in alkaline electrolyte. In summary, Fe-PIPhen/C will likely become a promising alternative to Pt catalyst in fuel cell.
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Affiliation(s)
- Lin Gu
- Shandong Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, China
| | - Ya Chu
- Shandong Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, China
| | - Hongmei Du
- Shandong Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, China
| | - Yan Zhang
- Shandong Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, China
| | - Jinsheng Zhao
- Shandong Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, China
| | - Yu Xie
- Key Laboratory of Jiangxi Province for Persistant Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang, China
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29
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Rationally fabricating nitrogen-doped carbon coated nanocrystalline Li2FeSiO4@N-C with excellent Li-ion battery performances. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.06.078] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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30
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Mohamed MAA, Elessawy NA, Carrasco-Marín F, Hamad HAF. A novel one-pot facile economic approach for the mass synthesis of exfoliated multilayered nitrogen-doped graphene-like nanosheets: new insights into the mechanistic study. Phys Chem Chem Phys 2019; 21:13611-13622. [PMID: 31187824 DOI: 10.1039/c9cp01418g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The present research focuses on providing a novel facile, cost-effective and eco-friendly method for the mass production of N-doped graphene-like nanosheets (NGLs), in order to industrially benefit the exploitation of N-doped graphene in electronics, which will lead to the remarkable prosperity of graphene-based nanoelectronics. NGLs have been synthesized through a one-pot single-step process involving hydrolysis/hydrothermal treatment of glucose under mild conditions, using cetyltrimethylammonium bromide (CTAB) and ammonia solution (NH4OH) as the structure-directing agents. NGLs of high yield (65 wt%) and fascinating structural features, including low oxidation level, good crystalline structural order, and large laterally sized and well-exfoliated nanosheets, have been produced. The growth mechanism has been deeply investigated. The impressive chemical nature of CTAB has a synergistic effect in controlling the NGL structure. The cationic head of CTAB and anionic OH- ions resulting from NH4OH ionization have formed a passivating layer that played a profound role in hindering the NGL agglomeration and allowing the NGLs to grow into large lateral dimensions. Meanwhile, the polar (mainly H-bonding) and apolar (hydrophobic) interfacial interactions between the passivating layer and the graphitic network can be mainly considered responsible for the mild disturbed structural order inside the sp2 crystals. On the other hand, the excessive decomposition of CTAB that is also accompanied by fair ammonia decomposition during the hydrothermal treatment resulted in plenty of hydrogen and nitrogen gases in the atmosphere. The nitrogen gas N-doped the graphitic structure and the hydrogen gas effectively deoxygenated it. Furthermore, the high evolution rate of gases throughout the synthesis system contributed to the obstruction of NGL agglomeration. These results emphasize the high yield and good quality of the synthesized NGLs, which makes such a strategy promising in trust acquisition for investors in industrial production of N-doped graphene.
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Affiliation(s)
- Marwa A A Mohamed
- Fabrication Technology Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab, Alexandria 21934, Egypt.
| | - Noha A Elessawy
- Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab, Alexandria 21934, Egypt
| | - Francisco Carrasco-Marín
- Carbon Materials Research Group, Adsorption and Catalysis Lab., Inorganic Chemistry Department, Faculty of Science, University of Granada, 18071 Granada, Spain.
| | - Hesham A F Hamad
- Fabrication Technology Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA City), New Borg El-Arab, Alexandria 21934, Egypt. and Carbon Materials Research Group, Adsorption and Catalysis Lab., Inorganic Chemistry Department, Faculty of Science, University of Granada, 18071 Granada, Spain.
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31
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Meng H, Chen X, Gong T, Liu H, Liu Y, Li H, Zhang Y. N, P, S/Fe‐codoped Carbon Derived from Feculae Bombycis as an Efficient Electrocatalyst for Oxygen Reduction Reaction. ChemCatChem 2019. [DOI: 10.1002/cctc.201900604] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Hongjie Meng
- Shanghai Electrochemical Energy Devices Research Center Shanghai Key Lab of Electrical Insulation and Thermal Aging School of Chemistry and Chemical EngineeringShanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Xiaohong Chen
- Shanghai Electrochemical Energy Devices Research Center Shanghai Key Lab of Electrical Insulation and Thermal Aging School of Chemistry and Chemical EngineeringShanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Tianle Gong
- Shanghai Electrochemical Energy Devices Research Center Shanghai Key Lab of Electrical Insulation and Thermal Aging School of Chemistry and Chemical EngineeringShanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Haoran Liu
- Shanghai Electrochemical Energy Devices Research Center Shanghai Key Lab of Electrical Insulation and Thermal Aging School of Chemistry and Chemical EngineeringShanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Yiming Liu
- Shanghai Electrochemical Energy Devices Research Center Shanghai Key Lab of Electrical Insulation and Thermal Aging School of Chemistry and Chemical EngineeringShanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Hong Li
- Shanghai Electrochemical Energy Devices Research Center Shanghai Key Lab of Electrical Insulation and Thermal Aging School of Chemistry and Chemical EngineeringShanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Yongming Zhang
- Shanghai Electrochemical Energy Devices Research Center Shanghai Key Lab of Electrical Insulation and Thermal Aging School of Chemistry and Chemical EngineeringShanghai Jiao Tong University Shanghai 200240 P.R. China
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32
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Morais RG, Rey-Raap N, Figueiredo JL, Pereira MFR. Glucose-derived carbon materials with tailored properties as electrocatalysts for the oxygen reduction reaction. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2019; 10:1089-1102. [PMID: 31165035 PMCID: PMC6541360 DOI: 10.3762/bjnano.10.109] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 04/16/2019] [Indexed: 05/26/2023]
Abstract
Nitrogen-doped biomass-derived carbon materials were prepared by hydrothermal carbonization of glucose, and their textural and chemical properties were subsequently tailored to achieve materials with enhanced electrochemical performance towards the oxygen reduction reaction. Carbonization and physical activation were applied to modify the textural properties, while nitrogen functionalities were incorporated via different N-doping methodologies (ball milling and conventional methods) using melamine. A direct relationship between the microporosity of the activated carbons and the limiting current density was found, with the increase of microporosity leading to interesting improvements of the limiting current density. Regardless of the doping method used, similar amounts of nitrogen were incorporated into the carbon structures. However, significant differences were observed in the nitrogen functionalities according to the doping method applied: ball milling appeared to originate preferentially quaternary and oxidized nitrogen groups, while the formation of pyridinic and pyrrolic groups was favoured by conventional doping. The onset potential was improved and the two-electron mechanism of the original activated sample was shifted closer to a four-electron pathway due to the presence of nitrogen. Interestingly, the high pyridinic content related to a high ratio of pyridinic/quaternary nitrogen results in an increase of the onset potential, while a decrease in the quaternary/pyrrolic nitrogen ratio favors an increase in the number of electrons. Accordingly, the electrocatalyst with the highest performance was obtained from the activated sample doped with nitrogen by the conventional method, which combined the most appropriate textural and chemical properties: high microporosity and adequate proportion of the nitrogen functionalities.
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Affiliation(s)
- Rafael Gomes Morais
- Associate Laboratory LSRE-LCM, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, R. Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Natalia Rey-Raap
- Associate Laboratory LSRE-LCM, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, R. Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - José Luís Figueiredo
- Associate Laboratory LSRE-LCM, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, R. Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Manuel Fernando Ribeiro Pereira
- Associate Laboratory LSRE-LCM, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, R. Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
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33
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Cao Y, Geng K, Geng H, Ang H, Pei J, Liu Y, Cao X, Zheng J, Gu H. Metal-Oleate Complex-Derived Bimetallic Oxides Nanoparticles Encapsulated in 3D Graphene Networks as Anodes for Efficient Lithium Storage with Pseudocapacitance. NANO-MICRO LETTERS 2019; 11:15. [PMID: 34137982 PMCID: PMC7770734 DOI: 10.1007/s40820-019-0247-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 02/01/2019] [Indexed: 05/24/2023]
Abstract
In this manuscript, we have demonstrated the delicate design and synthesis of bimetallic oxides nanoparticles derived from metal-oleate complex embedded in 3D graphene networks (MnO/CoMn2O4 ⊂ GN), as an anode material for lithium ion batteries. The novel synthesis of the MnO/CoMn2O4 ⊂ GN consists of thermal decomposition of metal-oleate complex containing cobalt and manganese metals and oleate ligand, forming bimetallic oxides nanoparticles, followed by a self-assembly route with reduced graphene oxides. The MnO/CoMn2O4 ⊂ GN composite, with a unique architecture of bimetallic oxides nanoparticles encapsulated in 3D graphene networks, rationally integrates several benefits including shortening the diffusion path of Li+ ions, improving electrical conductivity and mitigating volume variation during cycling. Studies show that the electrochemical reaction processes of MnO/CoMn2O4 ⊂ GN electrodes are dominated by the pseudocapacitive behavior, leading to fast Li+ charge/discharge reactions. As a result, the MnO/CoMn2O4 ⊂ GN manifests high initial specific capacity, stable cycling performance, and excellent rate capability.
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Affiliation(s)
- Yingying Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, People's Republic of China
| | - Kaiming Geng
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, People's Republic of China
| | - Hongbo Geng
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China.
| | - Huixiang Ang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, 637459, Singapore
| | - Jie Pei
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, People's Republic of China
| | - Yayuan Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, People's Republic of China
| | - Xueqin Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, People's Republic of China
| | - Junwei Zheng
- College of Physics, Optoelectronic and Energy, Soochow University, Suzhou, 215006, People's Republic of China
| | - Hongwei Gu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, People's Republic of China.
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34
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Lu L, Jiao X, Fan J, Lei W, Ouyang Y, Xia X, Xue Z, Hao Q. Cobalt ferrite on honeycomb-like algae-derived nitrogen-doped carbon for electrocatalytic oxygen reduction and ultra-cycle-stable lithium storage. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.10.139] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Gong T, Qi R, Liu X, Li H, Zhang Y. N, F-Codoped Microporous Carbon Nanofibers as Efficient Metal-Free Electrocatalysts for ORR. NANO-MICRO LETTERS 2019; 11:9. [PMID: 34137975 PMCID: PMC7770828 DOI: 10.1007/s40820-019-0240-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 01/02/2019] [Indexed: 05/21/2023]
Abstract
Currently, the oxygen reduction reaction (ORR) mainly depends on precious metal platinum (Pt) catalysts. However, Pt-based catalysts have several shortcomings, such as high cost, scarcity, and poor long-term stability. Therefore, development of efficient metal-free electrocatalysts to replace Pt-based electrocatalysts is important. In this study, we successfully prepared nitrogen- and fluorine-codoped microporous carbon nanofibers (N, F-MCFs) via electrospinning polyacrylonitrile/polyvinylidene fluoride/polyvinylpyrrolidone (PAN/PVDF/PVP) tricomponent polymers followed by a hydrothermal process and thermal treatment, which was achieved for the first time in the literature. The results indicated that N, F-MCFs exhibit a high catalytic activity (Eonset: 0.94 V vs. RHE, E1/2: 0.81 V vs. RHE, and electron transfer number: 4.0) and considerably better stability and methanol tolerance for ORR in alkaline solutions as compared to commercial Pt/carbon (Pt/C, 20 wt%) catalysts. Furthermore, in acidic media, N, F-MCFs showed a four-electron transfer pathway for ORR. This study provides a new strategy for in situ synthesis of N, F-MCFs as highly efficient metal-free electrocatalysts for ORR in fuel cells.
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Affiliation(s)
- Tianle Gong
- Shanghai Electrochemical Energy Devices Research Center, Shanghai Key Lab of Electrical Insulation and Thermal Aging, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Ruoyu Qi
- Shanghai Electrochemical Energy Devices Research Center, Shanghai Key Lab of Electrical Insulation and Thermal Aging, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Xundao Liu
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, People's Republic of China
| | - Hong Li
- Shanghai Electrochemical Energy Devices Research Center, Shanghai Key Lab of Electrical Insulation and Thermal Aging, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
| | - Yongming Zhang
- Shanghai Electrochemical Energy Devices Research Center, Shanghai Key Lab of Electrical Insulation and Thermal Aging, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
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36
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Ma F, Ding S, Ren H, Peng P. Preparation of chrome-tanned leather shaving-based hierarchical porous carbon and its capacitance properties. RSC Adv 2019; 9:18333-18343. [PMID: 35515241 PMCID: PMC9064829 DOI: 10.1039/c9ra03139a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 05/23/2019] [Indexed: 11/21/2022] Open
Abstract
Based on the complexes formed by the original Cr(iii) in chrome-tanned leather shavings and the carboxyl groups in collagen as raw materials, a chromium oxide-carbon composite material was formed by the high-temperature carbonization of chromium-tanned leather shavings, followed by the leaching of chrome oxide and activation by KOH. By this method, the hierarchical porous carbon with a high surface area doped with oxygen and nitrogen was prepared. The forming process of the hierarchical porous structure is discussed in detail. Through adjusting the mass ratio of KOH to carbon during the activation process, with a mass ratio of 2, the chromium-tanned leather shavings-based hierarchical porous carbon (called CTSHPC-2) was prepared with an optimal specific surface area (3211 m2 g−1) and a large volume ratio of mesopores to macropores (61.9%) as well as abundant oxygen (13.92 at%) and nitrogen (3.58 at%) functional groups. The results showed that CTSHPC-2 obtained a high specific capacitance of 335.5 F g−1 at a current density of 0.5 A g−1. In addition, it had higher rate performance, low resistance, and better cycle stability. Even when the current density is 10 A g−1 over 5000 cycles, the specific capacity retention rate is 93.5%. Therefore, CTSHPC-2 is a promising electrode material for supercapacitors. A chromium oxide-carbon composite material was formed by the high-temperature carbonization of chromium-tanned leather shavings, followed by the leaching of chrome oxide and activation by KOH.![]()
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Affiliation(s)
- Fei Ma
- College of Bioresources Chemical and Materials Engineering
- Shaanxi University of Science & Technology
- Xi'an 710021
- China
| | - Shaolan Ding
- College of Bioresources Chemical and Materials Engineering
- Shaanxi University of Science & Technology
- Xi'an 710021
- China
| | - Huijun Ren
- School of Arts and Sciences of Shaanxi University of Science & Technology
- Xi'an 710021
- China
| | - Piaolin Peng
- College of Bioresources Chemical and Materials Engineering
- Shaanxi University of Science & Technology
- Xi'an 710021
- China
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37
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Sattayarut V, Wanchaem T, Ukkakimapan P, Yordsri V, Dulyaseree P, Phonyiem M, Obata M, Fujishige M, Takeuchi K, Wongwiriyapan W, Endo M. Nitrogen self-doped activated carbonsviathe direct activation ofSamanea samanleaves for high energy density supercapacitors. RSC Adv 2019; 9:21724-21732. [PMID: 35518880 PMCID: PMC9066434 DOI: 10.1039/c9ra03437d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 06/20/2019] [Indexed: 11/21/2022] Open
Abstract
Nitrogen self-doped activated carbons with high surface area obtainedviathe direct activation ofSamanea samanleaves for high energy density supercapacitors.
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Affiliation(s)
- Vichuda Sattayarut
- College of Nanotechnology
- King Mongkut's Institute of Technology Ladkrabang
- Bangkok 10520
- Thailand
| | - Thanthamrong Wanchaem
- College of Nanotechnology
- King Mongkut's Institute of Technology Ladkrabang
- Bangkok 10520
- Thailand
| | - Pundita Ukkakimapan
- College of Nanotechnology
- King Mongkut's Institute of Technology Ladkrabang
- Bangkok 10520
- Thailand
| | | | - Paweena Dulyaseree
- Department of Physics
- Faculty of Science Technology and Agriculture
- Yala Rajabhat University
- Yala
- Thailand
| | - Mayuree Phonyiem
- College of Nanotechnology
- King Mongkut's Institute of Technology Ladkrabang
- Bangkok 10520
- Thailand
| | - Michiko Obata
- Institute of Carbon Science and Technology
- Shinshu University
- Nagano
- Japan
| | | | - Kenji Takeuchi
- Institute of Carbon Science and Technology
- Shinshu University
- Nagano
- Japan
| | - Winadda Wongwiriyapan
- College of Nanotechnology
- King Mongkut's Institute of Technology Ladkrabang
- Bangkok 10520
- Thailand
| | - Morinobu Endo
- Institute of Carbon Science and Technology
- Shinshu University
- Nagano
- Japan
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38
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Li H, Sui Z. An in situ coupling strategy for the preparation of heterometal-doped carbon frameworks as efficient bifunctional ORR/OER electrocatalysts. NEW J CHEM 2019. [DOI: 10.1039/c9nj04422a] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterometal-doped carbon frameworks derived from metallophthalocyanine based conjugated microporous polymers display excellent ORR/OER bifunctional activity and long-time durability.
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Affiliation(s)
- Hui Li
- Department of Chemistry
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology
- Tsinghua University
- Beijing 100084
- China
| | - Zhuyin Sui
- College of Chemistry & Chemical Engineering
- Yantai University
- Yantai 264005
- China
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39
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Zhao Q, Zhang Q, Fu M, Liu Y, Sun Y, Lu H, Fan X, Zhang Y, Wang H. Highly dispersed cobalt decorated uniform nitrogen doped graphene derived from polydopamine positioning metal-organic frameworks for highly efficient electrochemical water oxidation. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.09.041] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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40
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Lin G, Ma R, Zhou Y, Hu C, Yang M, Liu Q, Kaskel S, Wang J. Three-dimensional interconnected nitrogen-doped mesoporous carbons as active electrode materials for application in electrocatalytic oxygen reduction and supercapacitors. J Colloid Interface Sci 2018; 527:230-240. [DOI: 10.1016/j.jcis.2018.05.020] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 05/09/2018] [Accepted: 05/09/2018] [Indexed: 12/29/2022]
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