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Guo M, Du J, Liu X, Liu W, Zhao M, Wang J, Li X. Rational Fabrication of Nickel Vanadium Sulfide Encapsulated on Graphene as an Advanced Electrode for High-Performance Supercapacitors. Molecules 2024; 29:3642. [PMID: 39125046 PMCID: PMC11313959 DOI: 10.3390/molecules29153642] [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: 07/12/2024] [Revised: 07/28/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024] Open
Abstract
Supercapacitors (SCs) are widely recognized as competitive power sources for energy storage. The hierarchical structure of nickel vanadium sulfide nanoparticles encapsulated on graphene nanosheets (NVS/G) was fabricated using a cost-effective and scalable solvothermal process. The reaction contents of the composites were explored and optimized. TEM images displayed the nickel vanadium sulfide nanoparticles (NVS NPs) with 20-30 nm average size anchored to graphene nanosheets. The interconnection of graphene nanosheets encapsulating NVS nanoparticles effectively reduces the ion diffusion path between the electrode and electrolyte, thereby enhancing electrochemical performance. The NVS/G composite demonstrated improved electrochemical performance, achieving a maximum of 1437 F g-1 specific capacitance at 1 A g-1, remarkable rate capability retaining of 1050 F g-1 at 20 A g-1, and exceptional cycle stability with 91.2% capacitance retention following 10,000 cycles. The NVS/G composite was employed as a cathode, and reduced graphene oxide (rGO) was used as an anode material to assemble a device. Importantly, asymmetric SCs using NVS/G//rGO achieved 74.7 W h kg-1 energy density at 0.8 kW kg-1 power density, along with outstanding stability with 88.2% capacitance retention following 10,000 cycles. These superior properties of the NVS/G electrode highlight its significant potential in energy storage applications.
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Affiliation(s)
- Meng Guo
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang 473000, China
| | - Jia Du
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang 473000, China
| | - Xueguo Liu
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang 473000, China
| | - Wentao Liu
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang 473000, China
| | - Mingjian Zhao
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang 473000, China
| | - Jianqi Wang
- School of Biological and Chemical Engineering, Nanyang Institute of Technology, Nanyang 473000, China
| | - Xuyang Li
- School of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
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Jing S, Tian J, Hu R, Huang Z. Sodium lignosulfonate/graphene composites for efficient desalination by incorporating CoS to control pore size. Int J Biol Macromol 2024; 268:131639. [PMID: 38641278 DOI: 10.1016/j.ijbiomac.2024.131639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 03/15/2024] [Accepted: 04/14/2024] [Indexed: 04/21/2024]
Abstract
The phenomenon of overlapping double layers due to micropores inhibits capacitive deionization performance, which is improved by increasing the pore size. In this study, a novel ternary composite electrode (sodium lignosulfonate/reduced graphene oxide/cobalt sulfide, LGC) was designed using a two-step hydrothermal method. CoS with high pseudocapacitance modifies sodium lignosulfonate and graphene connected by hydrogen bonding, benefiting from the constitutive steric structure. The electrochemical performance was significantly enhanced, and the desalination capacity substantially improved. The LGC electrode specific capacitance was as high as 354.47 F g-1 at a 1 A g-1 current density. The desalination capacity of the capacitive deionization device comprising LGC and activated carbon in 1 M NaCl electrolyte reached 28.04 mg g-1 at an operating condition of 1.2 V, 7 mL min-1. Additionally, the LGC electrodes degraded naturally post the experiment by simply removing the CoS, suggesting that the LGC composites are promising material for capacitive deionization electrodes.
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Affiliation(s)
- Songjie Jing
- Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education, Harbin 150040, China; Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Jiangyang Tian
- Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education, Harbin 150040, China; Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Runze Hu
- Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education, Harbin 150040, China; Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Zhanhua Huang
- Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education, Harbin 150040, China; Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
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Gautam S, Rialach S, Paul S, Goyal N. MOF/graphene oxide based composites in smart supercapacitors: a comprehensive review on the electrochemical evaluation and material development for advanced energy storage devices. RSC Adv 2024; 14:14311-14339. [PMID: 38690108 PMCID: PMC11060142 DOI: 10.1039/d4ra01027b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 04/18/2024] [Indexed: 05/02/2024] Open
Abstract
The surge in interest surrounding energy storage solutions, driven by the demand for electric vehicles and the global energy crisis, has spotlighted the effectiveness of carbon-based supercapacitors in meeting high-power requirements. Concurrently, metal-organic frameworks (MOFs) have gained attention as a template for their integration with graphene oxide (GO) in composite materials which have emerged as a promising avenue for developing high-power supercapacitors, elevating smart supercapacitor efficiency, cyclic stability, and durability, providing crucial insights for overcoming contemporary energy storage obstacles. The identified combination leverages the strengths of both materials, showcasing significant potential for advancing energy storage technologies in a sustainable and efficient manner. In this research, an in-depth review has been presented, in which properties, rationale and integration of MOF/GO composites have been critically examined. Various fabrication techniques have been thoroughly analyzed, emphasizing the specific attributes of MOFs, such as high surface area and modifiable porosity, in tandem with the conductive and stabilizing features of graphene oxide. Electrochemical characterizations and physicochemical mechanisms underlying MOF/GO composites have been examined, emphasizing their synergistic interaction, leading to superior electrical conductivity, mechanical robustness, and energy storage capacity. The article concludes by identifying future research directions, emphasizing sustainable production, material optimization, and integration strategies to address the persistent challenges in the field of energy storage. In essence, this research article aims to offer a concise and insightful resource for researchers engaged in overcoming the pressing energy storage issues of our time through the exploration of MOF/GO composites in smart supercapacitors.
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Affiliation(s)
- Sanjeev Gautam
- Advanced Functional Materials Lab, Dr S.S. Bhatnagar University Institute of Chemical Engineering & Technology, Panjab University Chandigarh-160014 India +91 97797 13212
| | - Shruti Rialach
- Department of Physics and Astronomical Science, Central University of Himachal Pradesh Dharamshala 176215 India
- Energy Research Centre, Panjab University Chandigarh-160014 India
| | - Surinder Paul
- Department of Physics and Astronomical Science, Central University of Himachal Pradesh Dharamshala 176215 India
| | - Navdeep Goyal
- Department of Physics, Panjab University Chandigarh-160014 India
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Song B, Li Y, Sun Y, Peng L, Xie LH. 17O solid-state NMR study on exposed facets of ZnO nanorods with different aspect ratios. Phys Chem Chem Phys 2024; 26:7890-7895. [PMID: 38376475 DOI: 10.1039/d4cp00035h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
The physical and chemical properties of metal oxide nanocrystals are closely related to their exposed facets, so the study on facet structures is helpful to develop facet/morphology-property relationships and rationally design nanostructures with desired properties. In this study, wurtzite ZnO nanorods with different aspect ratios were prepared by controlling the Zn2+/OH- ratio, temperature and time in hydrothermal processes. An 17O solid-state NMR study was performed on these nanorods, after surface 17O labeling, to explore the relationship of the 17O NMR signals with the local surface structure of different exposed facets, i.e., nonpolar (101̄0) and polar (0002) facets. It is observed that, one of the signals, the sharp component of a peak at -18.8 ppm, comprises the contribution from the oxygen ions on the polar (0002) facets, in addition to that from nonpolar (101̄0) facets, which is confirmed by 17O NMR spectra of ZnO nanorods with controlled aspect ratios and different thermal treatment conditions. This is important for accurately interpreting the 17O NMR signal of ZnO-containing materials, especially when studying the facet-related mechanisms. The method applied here can also be extended to study the facet-dependent properties of other faceted oxide nanocrystals.
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Affiliation(s)
- Benteng Song
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yuhong Li
- Suzhou Key Laboratory of Functional Ceramic Materials, School of Materials Engineering, Changshu Institute of Technology, Changshu 215500, Jiangsu Province, China
| | - Yunhua Sun
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Luming Peng
- Key Laboratory of Mesoscopic Chemistry of Ministry of Education and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Ling-Hai Xie
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
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Azis T, Muzakkar MZ, Nurwahida AT, Dali N, Kadir LOA, Lestari DA, Salim LOA. ZnO-Enhanced Reduced Graphene Oxide Electrodes from Cocoa Shell: Nanoarchitectonics Platform for Photoelectrocatalytic Detection of Methylene Blue. J Oleo Sci 2023; 72:1133-1140. [PMID: 37766576 DOI: 10.5650/jos.ess23152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023] Open
Abstract
In this study, we report the successful preparation of reduced graphene oxide modified zinc oxide (rGO-ZnO) composites from cocoa shells. Synthesis of rGO-ZnO was carried out using the Hummer method and thermal reduction. The electrode material was comprehensively characterized using fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy & Energy Dispersive X-ray (SEM-EDX). The photoelectrocatalytic performance of the prepared composite electrodes was evaluated using various electrochemical techniques, including Linear Sweep Voltammetry (LSV), Cyclic Voltammetry (CV), and Multi Pulse Amperometry (MPA). The FTIR analysis of rGO-ZnO exhibited distinct bands corresponding to C-O at 1022 cm-1, C=C at 1600 cm-1, and Zn-O at 455 cm-1. The XRD analysis revealed characteristic peaks at 26.6º, 29.2º, 36.2º, 44.04º, 47.58º, and 64.4º, confirming the presence of key crystalline phases. SEM-EDX analysis of rGO-ZnO revealed a rough surface morphology with bright white and black regions, signifying the coexistence of ZnO and rGO with carbon, oxygen, and zinc contents of 78.98%, 17.46%, and 3.56%, respectively. The investigations involved the photoelectrochemical profiles of methylene blue organic dyes at different concentrations, ranging from 0.5 ppm to 3.0 ppm. The acquired findings offer valuable understanding into the photoelectrocatalytic effectiveness of the composite electrodes containing rGO-ZnO, suggesting their potential use in potential scenarios involving the revitalization of the environment in industrial water systems.
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Affiliation(s)
- Thamrin Azis
- Department Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo
| | | | | | - Nasriadi Dali
- Department Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo
| | - La Ode Abdul Kadir
- Department Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo
| | - Dian Ayu Lestari
- Department Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo
| | - La Ode Agus Salim
- Department of Chemistry, Faculty of Science Technology and Health, Institut Sains Teknologi dan Kesehatan (ISTEK) 'Aisyiyah Kendari
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6
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Ahmad R, Sohail A, Yousuf M, Majeed A, Mir A, Aalim M, Shah MA. P-N heterojunction NiO/ZnO nanowire based electrode for asymmetric supercapacitor applications. NANOTECHNOLOGY 2023; 35:065401. [PMID: 37879320 DOI: 10.1088/1361-6528/ad06d3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 10/25/2023] [Indexed: 10/27/2023]
Abstract
Nickel-based oxides are selected for their inexpensive cost, well-defined redox activity, and flexibility in adjusting nanostructures via optimization of the synthesis process. This communique explores the field of energy storage for hydrothermally synthesized NiO/ZnO nanowires by analysing their capacitive behaviour. The p-type NiO was successfully built onto the well-ordered mesoporous n-type ZnO matrix, resulting in the formation of p-n heterojunction artefacts with porous nanowire architectures. NiO/ZnO nanowire-based electrodes exhibited much higher electrochemical characteristics than bare NiO nanowires. The heterojunction at the interface between the NiO and ZnO nanoparticles, their specific surface area, as well as their combined synergetic influence, are accountable for the high specific capacitance (Cs) of 1135 Fg-1at a scan rate of 5 mV s-1. NiO/ZnO nanowires show an 18% dip in initial capacitance even after 6000 cycles, indicating excellent capacitance retention and low resistance validated by electrochemical impedance spectroscopy. In addition, the specific capacitance, energy and power density of the solid state asymmetric capacitor that was manufactured by employing NiO/ZnO as the positive electrode and activated carbon as the negative electrode were found to be 87 Fg-1, 23 Whkg-1and 614 Wkg-1, respectively. The novel electrode based on NiO/ZnO demonstrates excellent electrochemical characteristics all of which point to its promising application in supercapacitor devices.
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Affiliation(s)
- Reyaz Ahmad
- Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, (J&K), India
| | - Aamir Sohail
- Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, (J&K), India
| | - Mahvesh Yousuf
- Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, (J&K), India
| | - Asif Majeed
- Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, (J&K), India
| | - Arshid Mir
- Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, (J&K), India
| | - Malik Aalim
- Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, (J&K), India
| | - M A Shah
- Department of Physics, National Institute of Technology Srinagar, Hazratbal, Srinagar 190006, (J&K), India
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7
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Latif S, Akram B, Saraj CS, Khan BA, Ali M, Akhtar J. A single step wet chemical approach to bifunctional ultrathin (ZnO) 62(Fe 2O 3) 38 dendritic nanosheets. RSC Adv 2023; 13:23038-23042. [PMID: 37529361 PMCID: PMC10388154 DOI: 10.1039/d3ra04795d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 07/25/2023] [Indexed: 08/03/2023] Open
Abstract
At the ultrathin scale, nanomaterials exhibit interesting chemical and physical properties, like flexibility, and polymer-like rheology. However, to limit the dimensions of composite nanomaterials at the ultrathin level is still a challenging task. Herein, by adopting a new low temperature single step and single pot wet chemical approach, we have successfully fabricated two dimensional (2D) mixed oxide ZnO-Fe2O3 dendritic nanosheets (FZDNSs). Various control experimental outcomes demonstrate that precursor salts of both the metals are crucial for the formation of stable 2D FZDNSs. The obtained FZDNSs not only exhibit the best photoreduction performance but also much enhanced electrocatalytic performance. This work will provide a promising avenue for the synthesis of cost effective transition metal mixed oxide based 2D nanosheets having wide ranging applications.
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Affiliation(s)
- Saba Latif
- Department of Chemistry, University of Azad Jammu & Kashmir Muzaffarabad AJ&K Pakistan
| | - Bilal Akram
- Department of Chemistry, Women University of Azad Jammu & Kashmir Bagh AJ&K Pakistan
| | - Chaudry Sajed Saraj
- GPL, State Key Lab. of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Changchun 130033 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Bilal Ahmad Khan
- Department of Chemistry, University of Azad Jammu & Kashmir Muzaffarabad AJ&K Pakistan
| | - Mudussar Ali
- Department of Chemistry, Tsinghua University Beijing China
| | - Javeed Akhtar
- Materials Lab, Department of Chemistry, Mirpur University of Science and Technology Mirpur AJ&K Pakistan
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8
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Bandas C, Nicolaescu M, Popescu MI, Orha C, Căprărescu S, Lazau C. One-Step Microwave-Assisted Hydrothermal Preparation of Zn-ZnO(Nw)-rGO Electrodes for Supercapacitor Applications. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4536. [PMID: 37444850 DOI: 10.3390/ma16134536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/14/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023]
Abstract
Zn-ZnO(Nw)-rGO hybrid electrodes for supercapacitor applications were successfully prepared in situ by a one-step microwave-assisted hydrothermal method by deposition of reduced graphene oxide (rGO) on the structure of ZnO nanowires grown on the Zn foil. During the hydrothermal treatment, two processes occur the reduction of graphene oxide (GO) and the deposition of rGO on the Zn-ZnO(Nw) support. The growth of ZnO nanowires was achieved by thermal oxidation below the melting point of the Zn foil in a controlled atmosphere. The as-obtained electrodes were assessed for structural, optical, and morphological properties by X-ray diffraction, Raman spectroscopy, ultraviolet-visible spectroscopy, SEM microscopy, and EDX analysis. The supercapacitor properties of the Zn-ZnO(Nw)-rGO hybrid electrodes were investigated by cyclic voltammetry, electrochemical impedance spectroscopy, and galvanostatic charge-discharge analysis. The CV curve reveals that the Zn-ZnO(Nw)-rGO hybrid structures work as negative electrodes and exhibit a non-ideal rectangle-like shape, suggesting that the as-synthesized structure behaves as a pseudo-capacitor. A maximum capacitance was determined to be 395.79 mF cm-2 at a scan rate of 5 mV s-1. Based on GCD analysis, the maximum specific capacitance of 145.59 mF cm-2 was achieved at a low power density of 2 mA cm-2. The cycle life assessment of the Zn-ZnO(Nw)-rGO hybrid electrode over a 250-cycle number was performed by CV and GCD analysis. The maximum retention rate of 120.86% was achieved from GCD analysis over 250 cycles for the Zn-ZnO(Nw)-rGO hybrid electrode.
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Affiliation(s)
- Cornelia Bandas
- Condensed Matter Department, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 1 Plautius Andronescu Street, 300254 Timisoara, Romania
| | - Mircea Nicolaescu
- Condensed Matter Department, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 1 Plautius Andronescu Street, 300254 Timisoara, Romania
- Department of Materials and Manufacturing Engineering, Faculty of Mechanical Engineering, Politehnica University of Timisoara Mihai Viteazu 1, 300222 Timisoara, Romania
| | - Mina Ionela Popescu
- Condensed Matter Department, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 1 Plautius Andronescu Street, 300254 Timisoara, Romania
- Department of Applied Chemistry and Engineering of Inorganic Compounds and Environment, Politehnica University of Timisoara, Blv. Vasile Parvan 6, 300223 Timisoara, Romania
| | - Corina Orha
- Condensed Matter Department, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 1 Plautius Andronescu Street, 300254 Timisoara, Romania
| | - Simona Căprărescu
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, University "Politehnica" of Bucharest, Polizu Street No. 1-7, 011061 Bucharest, Romania
| | - Carmen Lazau
- Condensed Matter Department, National Institute for Research and Development in Electrochemistry and Condensed Matter, Timisoara, 1 Plautius Andronescu Street, 300254 Timisoara, Romania
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Mombeshora ET, Muchuweni E. Dynamics of reduced graphene oxide: synthesis and structural models. RSC Adv 2023; 13:17633-17655. [PMID: 37312999 PMCID: PMC10258683 DOI: 10.1039/d3ra02098c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/06/2023] [Indexed: 06/15/2023] Open
Abstract
Technological advancements are leading to an upsurge in demand for functional materials that satisfy several of humankind's needs. In addition to this, the current global drive is to develop materials with high efficacy in intended applications whilst practising green chemistry principles to ensure sustainability. Carbon-based materials, such as reduced graphene oxide (RGO), in particular, can possibly meet this criterion because they can be derived from waste biomass (a renewable material), possibly synthesised at low temperatures without the use of hazardous chemicals, and are biodegradable (owing to their organic nature), among other characteristics. Additionally, RGO as a carbon-based material is gaining momentum in several applications due to its lightweight, nontoxicity, excellent flexibility, tuneable band gap (from reduction), higher electrical conductivity (relative to graphene oxide, GO), low cost (owing to the natural abundance of carbon), and potentially facile and scalable synthesis protocols. Despite these attributes, the possible structures of RGO are still numerous with notable critical variations and the synthesis procedures have been dynamic. Herein, we summarize the highlights from the historical breakthroughs in understanding the structure of RGO (from the perspective of GO) and the recent state-of-the-art synthesis protocols, covering the period from 2020 to 2023. These are key aspects in the realisation of the full potential of RGO materials through the tailoring of physicochemical properties and reproducibility. The reviewed work highlights the merits and prospects of the physicochemical properties of RGO toward achieving sustainable, environmentally friendly, low-cost, and high-performing materials at a large scale for use in functional devices/processes to pave the way for commercialisation. This can drive the sustainability and commercial viability aspects of RGO as a material.
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Affiliation(s)
- Edwin T Mombeshora
- Department of Chemistry and Earth Sciences, University of Zimbabwe Mount Pleasant Harare MP167 Zimbabwe
| | - Edigar Muchuweni
- Department of Engineering and Physics, Bindura University of Science Education Bindura Zimbabwe
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Thongam DD, Chaturvedi H. Heterostructure charge transfer dynamics on self-assembled ZnO on electronically different single-walled carbon nanotubes. CHEMOSPHERE 2023; 323:138239. [PMID: 36841447 DOI: 10.1016/j.chemosphere.2023.138239] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/23/2023] [Accepted: 02/22/2023] [Indexed: 06/18/2023]
Abstract
The charge transfer kinetics of the catalyst particles play a key role in advanced oxidation processes (AOP) for the complete destruction of recalcitrant and persistent contaminants in water. Here, a significant improvement in the photocatalytic performance is observed in the Single-Walled Carbon Nanotube (SWCNT)-ZnO heterostructure photocatalyst. The charge transfer dynamics and factors affecting AOP are studied using ZnO nanoparticles self-assembled onto three electronically different SWCNTs (metallic, semiconducting, and pristine) via the precipitation method, introducing a heterojunction interface. The creation of the SWCNT/ZnO heterostructure interface improves charge transfer and separation, resulting in a charge carrier lifetime of 7.37 ns. Also, surface area, pore size, and pore volumes are increased by 4.2 times compared to those of ZnO. The nanoparticles-coated face-mask fabric used as the floating photocatalyst exhibited high stability and recyclability with 99% RhB degradation efficiency under natural sunlight and 94% under UV light after the 5th cycle. The surface and crystal defects-oxygen or zinc defects/interstitials open new reaction active sites that assist in charge carrier transfer and act as pollutant absorption and interaction sites for enhanced performance. The ideal band edge positions of the valence band and conduction band favor the generation of H2O/OH•, OH·/OH, and O2/HO2• reactive oxygen species. OH• radicals are found to play a vital role in this AOP by using ethanol as an OH• scavenger.
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Affiliation(s)
- Debika Devi Thongam
- School of Energy Science and Engineering, Indian Institute of Technology Guwahati, Assam, 781039, India.
| | - Harsh Chaturvedi
- School of Energy Science and Engineering, Indian Institute of Technology Guwahati, Assam, 781039, India.
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Sinha R, Roy N, Mandal TK. N-Doped Carbon Dots and ZnO Conglomerated Electrodes for Optically Responsive Supercapacitor Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:4518-4529. [PMID: 36917688 DOI: 10.1021/acs.langmuir.3c00300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The over-dependence of human society on fossil fuels for energy is exhausting the level of such non-renewable energy sources. Alternative energy storage systems have gained more popularity recently to counter this issue. In this context, we report the fabrication of N-doped carbon dot (N-CD)-decorated ZnO-based electrodes for supercapacitor applications. Due to the light-responsive nature of the N-CDs and ZnO, the electrode was also responsive under the influence of UV light. After the experimental tests, it was found that the areal capacitance value of the supercapacitor increased upto ∼58.9% when illuminated compared to that under the dark conditions. Moreover, the device showed a maximum areal capacitance of 2.6 mF/cm2 after photocharging and galvanostatically discharging at a current density value of 1.6 μA/cm2, which is quite comparable with the previously reported data. The doping of N-CDs with ZnO showed a significant improvement in the areal capacitance value under both illuminated (∼58.64%) and dark conditions (∼22.08%) compared to the case of pristine ZnO, which justifies the purpose of attaching N-CDs with ZnO. Therefore, in brief, we have fabricated a photoresponsive electrode material for supercapacitor application by combining N-CDs and ZnO. An explicit electrochemical characterization of the electrode was also done to identify the contribution from diffusion-controlled capacitance and double layer capacitance, and it was observed that the diffusion-controlled capacitance gets reduced from 59.1 to 33.6% when the scan rate is increased from 2 to 75 mV/s. Moreover, a detailed study has also been done to understand the reaction mechanism. It was confirmed that the defects in the electrode material played a vital role in the intercalation of K+ ions.
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Affiliation(s)
- Rupam Sinha
- Department of Chemical Engineering, Chaitanya Bharathi Institute of Technology, Gandipet 500075, Telangana, India
| | - Nirmal Roy
- School of Electronics Engineering, VIT-AP University, Amaravati 522237, Andhra Pradesh, India
| | - Tapas K Mandal
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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12
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Ding C, Li S, Zeng X, Wang W, Wang M, Liu T, Liang C. Precise Construction of Sn/C Composite Membrane with Graphene-Like Sn-in-Carbon Structural Units toward Hyperstable Anode for Lithium Storage. ACS APPLIED MATERIALS & INTERFACES 2023; 15:12189-12201. [PMID: 36812463 DOI: 10.1021/acsami.2c22220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A new-type binder-free Sn/C composite membrane with densely stacked Sn-in-carbon nanosheets was prepared by vacuum-induced self-assembly of graphene-like Sn alkoxide and following in situ thermal conversion. The successful implementation of this rational strategy is based on the controllable synthesis of graphene-like Sn alkoxide by using Na-citrate with the critical inhibitory effect on polycondensation of Sn alkoxide along the a and b directions. Density functional theory calculations reveal that graphene-like Sn alkoxide can be formed under the joint action of oriented densification along the c axis and continuous growth along the a and b directions. The Sn/C composite membrane constructed by graphene-like Sn-in-carbon nanosheets can effectively buffer volume fluctuation of inlaid Sn during cycling and much enhance the kinetics of Li+ diffusion and charge transfer with the developed ion/electron transmission paths. After temperature-controlled structure optimization, Sn/C composite membrane displays extraordinary Li storage behaviors, including reversible half-cell capacities up to 972.5 mAh g-1 at a density of 1 A g-1 for 200 cycles, 885.5/729.3 mAh g-1 over 1000 cycles at large current densities of 2/4 A g-1, and terrific practicability with reliable full-cell capacities of 789.9/582.9 mAh g-1 up to 200 cycles under 1/4 A g-1. It is worthy of noting that this strategy may open up new opportunities to fabricate advanced membrane materials and construct hyperstable self-supporting anodes in lithium ion batteries.
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Affiliation(s)
- Chuan Ding
- Changzhou Key Lab of Construction Engineering Structure and Material Properties, School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou, Jiangsu 213032, P R China
| | - Shujin Li
- Changzhou Key Lab of Construction Engineering Structure and Material Properties, School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou, Jiangsu 213032, P R China
| | - Xueqin Zeng
- Changzhou Key Lab of Construction Engineering Structure and Material Properties, School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou, Jiangsu 213032, P R China
| | - Wei Wang
- Changzhou Key Lab of Construction Engineering Structure and Material Properties, School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou, Jiangsu 213032, P R China
| | - Min Wang
- Changzhou Key Lab of Construction Engineering Structure and Material Properties, School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou, Jiangsu 213032, P R China
| | - Tianyu Liu
- Changzhou Key Lab of Construction Engineering Structure and Material Properties, School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou, Jiangsu 213032, P R China
| | - Can Liang
- Changzhou Key Lab of Construction Engineering Structure and Material Properties, School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou, Jiangsu 213032, P R China
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Tan H, Dong X, Ma Y, Dai W, Hu P, Xu M, Shang C. Growing hierarchical CoNi-based phosphates sandwiched Ni metal on carbon cloth for advanced supercapacitors. RESULTS IN SURFACES AND INTERFACES 2023. [DOI: 10.1016/j.rsurfi.2023.100107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
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14
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Performance enhancement of α-MnO2 through tunnel-size and morphology adjustment as pseudocapacitive electrode. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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15
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Fawad Khan M, Ali Marwat M, Abdullah, Shaheen Shah S, Abdul Karim R, Abdul Aziz M, Ud Din Z, Saad, Muhammad Adam K. Novel MoS2-Sputtered NiCoMg MOFs for High-Performance Hybrid Supercapacitor Applications. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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16
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Rashidi M, Ghasemi F. Thermally oxidized MoS2-based hybrids as superior electrodes for supercapacitor and photoelectrochemical applications. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Liu H, Chen W, Peng H, Huang X, Li S, Jiang L, Zheng M, Xu M, Zhu J. Bioinspired design of graphene-based N/O self-doped nanoporous carbon from carp scales for advanced Zn-ion hybrid supercapacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Preparation of GO-based Cr-Zn bimetallic layered porous sulfide by ZIF template method for high performance supercapacitors. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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19
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Cheng Y, Wang X, Zhang D, Qiao X, Zhao H, Chang L, Yu Z, Xia Y, Fan J, Huang C, Yang S. High-capacity binderless supercapacitor electrode obtained from sulfidation large interlayer spacing of NiMn-LDH. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Yu J, Wang B, Lu Q, Xiao L, Ma X, Feng Y, Qian Y. Fabrication of Fe3O4 nanoparticles by using cathode glow discharge electrolysis plasma and its electrochemical properties. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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21
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Wang CT, Chen WS, Fan KH, Chiang CY, Wu CW. Bismuth and nitrogen co-doped graphene oxide for efficient electrochemical sensing of Pb(II) by synergistic dual-site interaction. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05277-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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22
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Ega SP, Karri SN, Srinivasan P. Polyanilines from spent battery powder and activated carbon: Electrodes for asymmetric supercapacitor cell. J Appl Polym Sci 2022. [DOI: 10.1002/app.52864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sai Prasad Ega
- Polymers & Functional Materials Department CSIR – Indian Institute of Chemical Technology Hyderabad India
- Academy of Scientific and Innovative Research (AcSIR), CSIR‐HRDG Campus Ghaziabad India
| | - Sangam Naidu Karri
- Department of Energy & Environmental Engineering CSIR – Indian Institute of Chemical Technology Hyderabad India
| | - Palaniappan Srinivasan
- Polymers & Functional Materials Department CSIR – Indian Institute of Chemical Technology Hyderabad India
- Academy of Scientific and Innovative Research (AcSIR), CSIR‐HRDG Campus Ghaziabad India
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Critical Aspects of Various Techniques for Synthesizing Metal Oxides and Fabricating Their Composite-Based Supercapacitor Electrodes: A Review. NANOMATERIALS 2022; 12:nano12111873. [PMID: 35683729 PMCID: PMC9181971 DOI: 10.3390/nano12111873] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/19/2022] [Accepted: 05/28/2022] [Indexed: 12/19/2022]
Abstract
Supercapacitors (SCs) have attracted attention as an important energy source for various applications owing to their high power outputs and outstanding energy densities. The electrochemical performance of an SC device is predominantly determined by electrode materials, and thus, the selection and synthesis of the materials are crucial. Metal oxides (MOs) and their composites are the most widely used pseudocapacitive SC electrode materials. The basic requirements for fabricating high-performance SC electrodes include synthesizing and/or chemically modifying unique conducting nanostructures, optimizing a heterostructure morphology, and generating large-surface-area electroactive sites, all of which predominantly rely on various techniques used for synthesizing MO materials and fabricating MO- and MO-composite-based SC electrodes. Therefore, an SC’s background and critical aspects, the challenges associated with the predominant synthesis techniques (including hydrothermal and microwave-assisted syntheses and chemical-bath and atomic-layer depositions), and resulting electrode electrochemical performances should be summarized in a convenient, accessible report to accelerate the development of materials for industrial SC applications. Therefore, we reviewed the most pertinent studies on these synthesis techniques to provide insight into the most recent advances in synthesizing MOs and fabricating their composite-based SC electrodes as well as to propose research directions for developing MO-based electrodes for applications to next-generation SCs.
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Sadek R, Sharawi MS, Dubois C, Tantawy H, Chaouki J. Superior quality chemically reduced graphene oxide for high performance EMI shielding materials. RSC Adv 2022; 12:22608-22622. [PMID: 36105968 PMCID: PMC9372871 DOI: 10.1039/d2ra02678c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/02/2022] [Indexed: 01/22/2023] Open
Abstract
The chemical reduction process of graphene oxide combined with a mild and controllable thermal treatment under vacuum at 200 °C for 4 hours provided a cost-effective, scalable, and high-yield route for Reduced Graphene Oxide (RGO) industrial production and became a potential candidate for producing electromagnetic interference (EMI) shielding. We investigated graphite, and RGO using l-ascorbic acid and Sodium borohydride before and after thermal treatment by carefully evaluating the chemical and morphological structures. The thermally treated l-ascorbic Acid reduction route (TCRGOL) conductivity was 2.14 × 103 S m−1 and total shielding efficiency (SET) based on mass loadings per area of shielding was 94 dB with about one-tenth less graphite weight and surpassing other graphene reduction mechanisms in the frequency range of 8.2–12.4 GHz, i.e., X-band, at room temperature while being tested using the waveguide line technique. The developed treatment represents valuable progress in the path to chemical reduction using a safe reducing agent and offering superior quality RGO rarely achieved with the top-down technique, providing a high EMI shielding performance. The developed two-step protocol offers a superior reduced graphene oxide TCRGOL quality (7 layers), and its SET was 94 dB over the X-band.![]()
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Affiliation(s)
- Ramy Sadek
- Chemical Engineering Department, Polytechnique Montréal, Montréal, H3C 3A7, Canada
| | - Mohammad S. Sharawi
- Poly-Grames Research Center, Electrical Engineering Department, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada
| | - Charles Dubois
- Chemical Engineering Department, Polytechnique Montréal, Montréal, H3C 3A7, Canada
| | - Hesham Tantawy
- Chemical Engineering Department, Military Technical College, Cairo, Egypt
| | - Jamal Chaouki
- Chemical Engineering Department, Polytechnique Montréal, Montréal, H3C 3A7, Canada
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25
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Jun SY, Park S, Baek NW, Lee TY, Yoo S, Jung D, Kim JY. Enhancement of dielectric performance of encapsulation in barium titanate oxide using size-controlled reduced graphene oxide. RSC Adv 2022; 12:16412-16418. [PMID: 35747533 PMCID: PMC9157740 DOI: 10.1039/d2ra01266a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/23/2022] [Indexed: 11/21/2022] Open
Abstract
Ferroelectric barium titanate (BTO) powder particles were encapsulated by three different sizes of reduced graphene oxide (rGO) platelets. The size of the graphene oxide (GO) platelets is controlled by varying the horn type ultrasonic times, i.e. 0, 30, and 60 min, respectively, and they are reduced with hydrazine to obtain rGO-encapsulated BTO (rGO@BTO) film. The rGO@BTO film exhibits an increase in the dielectric characteristics due to the interfacial polarization. These improved characteristics include a dielectric constant of 194 (a large increment of 111%), along with the dielectric loss of 0.053 (a slight increment of 13%) at 1 kHz, compared to the pure BTO dielectric film. The improvement in the dielectric constant of the rGO@BTO is attributed to the encapsulation degree between the rGO platelets and BTO powder particles, which results in the interfacial polarization and micro-capacitor effect in a dielectric film, and also contributes to a low dielectric loss. Therefore, a suitable size of rGO platelets for encapsulation is essential for high-dielectric performance. The controlled graphene size affected the dielectric performance of graphene encapsulated BaTiO3 (rGO@BTO) particles. The dielectric performance increased by 33% higher than the dielectric constant after 1 h, while maintaining the low dielectric loss.![]()
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Affiliation(s)
- So-Yeon Jun
- Advanced Joining & Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - SeungHun Park
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Nam Wuk Baek
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Tae-Young Lee
- Advanced Joining & Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
| | - Sehoon Yoo
- Advanced Joining & Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, Incheon 21999, Republic of Korea
| | - Donggeun Jung
- Department of Physics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jin-Young Kim
- Memory Division, Samsung Electronics, Hwaseong 18448, Republic of Korea
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