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Hua Y, Vikrant K, Kim KH, Heynderickx PM, Boukhvalov DW. The catalytic efficacy of modified manganese-cobalt oxides for room-temperature oxidation of formaldehyde in air. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:135016. [PMID: 38986407 DOI: 10.1016/j.jhazmat.2024.135016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 06/12/2024] [Accepted: 06/22/2024] [Indexed: 07/12/2024]
Abstract
Formaldehyde (FA) is a hazardous indoor air pollutant with carcinogenic propensity. Oxidation of FA in the dark at low temperature (DLT) is a promising strategy for its elimination from indoor air. In this light, binary manganese-cobalt oxide (0.1 to 5 mol L-1-MnCo2O4) is synthesized and modified in an alkaline medium (0.1-5 mol L-1 potassium hydroxide) for FA oxidation under room temperature (RT) conditions. Accordingly, 1-MnCo2O4 achieves 100 % FA conversion at RT (50 ppm and 7022 h-1 gas hourly space velocity (GHSV)). The catalytic activity of 1-MnCo2O4 is assessed further as a function of diverse variables (e.g., catalyst mass, relative humidity, FA concentration, molecular oxygen (O2) content, flow rate, and time on-stream). In situ diffuse reflectance infrared Fourier-transform spectroscopy confirms that FA molecules are adsorbed onto the active surface sites of 1-MnCo2O4 and oxidized into water (H2O) and carbon dioxide (CO2) through dioxymethylene (DOM) and formate (HCOO-) as the reaction intermediates. According to the density functional theory simulations, the higher catalytic activity of 1-MnCo2O4 can be attributed to the combined effects of its meritful surface properties (e.g., the firmer attachment of FA molecules, lower energy cost of FA adsorption, and lower desorption energy for CO2 and H2O). This work is the first report on the synthesis of alkali (KOH)-modified MnCo2O4 and its application toward the FA oxidative removal at RT in the dark. The results of this study are expected to provide valuable insights into the development of efficient and cost-effective non-noble metal catalysts against indoor FA at DLT.
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Affiliation(s)
- Yongbiao Hua
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Kumar Vikrant
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, Republic of Korea.
| | - Philippe M Heynderickx
- Center for Environmental and Energy Research, Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Danil W Boukhvalov
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, China; Institute of Physics and Technology, Ural Federal University, Mira Street 19, 620002 Yekaterinburg, Russia
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2
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Chen Y, Li C, Yang X. Simultaneous measurement of trace dimethyl methyl phosphate and temperature using all fiber Michaelson interferometer cascaded FBG. OPTICS EXPRESS 2023; 31:6203-6216. [PMID: 36823882 DOI: 10.1364/oe.482382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/14/2023] [Indexed: 06/18/2023]
Abstract
All fiber Michaelson interferometer cascaded fiber Bragg grating (FBG) sensor for simultaneous measurement of trace dimethyl methyl phosphate and temperature is proposed. One end of the four-core fiber (FCF) is spliced with a multimode fiber (MMF), the other end is flattened and evaporated with silver film to enhance reflection, and the Michelson interference structure is formed. The grating is engraved in the single-mode fiber (SMF) core and spliced with MMF, then the Michelson interference cascaded FBG, FBG-MMF-FCF sensor is obtained. The sensing film, MnCo2O4 is coated on the surface of FCF, and the structure, elemental composition and morphology of MnCo2O4 were analyzed by X-ray diffraction, X-ray photoelectron spectroscopy and scanning electron microscopy. The sensitivity and the detection limit of DMMP are 86.44 dB/ppm and 0.1767 ppb, respectively. The response/recovery time is about 14/10 s. the temperature sensitivity can be compensated and calculated as 0.069 nm/°C. The sensor has good selectivity and stability, and has a good application prospect in high sensitivity detection of trace DMMP vapor.
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Chen H, Bao E, Du X, Ren X, Liu X, Li Y, Xu C. Advanced hybrid supercapacitors assembled with high-performance porous MnCo2O4.5 nanosheets as battery-type cathode materials. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130663] [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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4
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Aman S, Ansari MZ, Abdullah M, Abid AG, Bashir I, Un Nisa M, Manzoor S, Shawky AM, Znaidia S, Tahir Farid HM. Facile synthesis of CoCo2O4/rGO spinel nanoarray as a robust electrode for energy storage devices. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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5
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Kour S, Tanwar S, Kour P, Sharma A. Hierarchical Template-free Chestnut-like Manganese Cobaltite for High-Performance Symmetric and Asymmetric Supercapacitor. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130674] [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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6
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Li S, Fan J, Liao H, Xiao G, Gao S, Cui K, Niu C, Jin HG, Luo W, Chao Z. MnCoP/(Co,Mn)(Co,Mn)2O4 nanocomposites for all-solid-state supercapacitors with excellent electrochemical energy storage. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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7
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High-performanced flexible solid supercapacitor based on the hierarchical MnCo2O4 micro-flower. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141037] [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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8
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Mesoporous hexagonal nanorods of NiCo2O4 nanoparticles via hydrothermal route for supercapacitor application. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139654] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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9
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Rendale SS, Bhat T, Patil P. MnCo2O4 Nanomaterials Based Electrodes for Supercapacitors. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109945] [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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10
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Dhandapani P, Maurya DK, Angaiah S. Progress in Spinel‐Structured Cobaltite‐Based Positive Electrode Materials for Supercapacitors. ChemistrySelect 2022. [DOI: 10.1002/slct.202201008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Preethi Dhandapani
- Electro-Materials Research Laboratory Centre for Nanoscience and Technology Pondicherry University Puducherry 605014 India
| | - Dheeraj Kumar Maurya
- Electro-Materials Research Laboratory Centre for Nanoscience and Technology Pondicherry University Puducherry 605014 India
| | - Subramania Angaiah
- Electro-Materials Research Laboratory Centre for Nanoscience and Technology Pondicherry University Puducherry 605014 India
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11
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Lu Q, Wei Z, Liang J, Li C, Li L, Ma J. High‐Performance Supercapacitor Electrode Materials of Mo
1‐x
Co
x
S
2
Nanoparticles Prepared by Hydrothermal Method. ChemistrySelect 2022. [DOI: 10.1002/slct.202102794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qiang Lu
- School of Science Lanzhou University of Technology Lanzhou 730050 China
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China
| | - Zhiqiang Wei
- School of Science Lanzhou University of Technology Lanzhou 730050 China
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China
| | - Jiahao Liang
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Chao Li
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Ling Li
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Jinhuan Ma
- School of Science Lanzhou University of Technology Lanzhou 730050 China
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12
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Fang Q, Sun M, Ren X, Sun Y, Yan Y, Gan Z, Huang J, Cao B, Shen W, Li Z, Fu Y. MnCo 2O 4/Ni 3S 4 nanocomposite for hybrid supercapacitor with superior energy density and long-term cycling stability. J Colloid Interface Sci 2021; 611:503-512. [PMID: 34971961 DOI: 10.1016/j.jcis.2021.12.122] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/19/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022]
Abstract
MnCo2O4 is regarded as a good electrode material for supercapacitor due to its high specific capacity and good structural stability. However, its poor electrical conductivity limits its wide-range applications. To solve this issue, we integrated the MnCo2O4 with Ni3S4, which has a good electrical conductivity, and synthesized a MnCo2O4/Ni3S4 nanocomposite using a two-step hydrothermal process. Comparing with individual MnCo2O4 and Ni3S4, the MnCo2O4/Ni3S4 nanocomposite showed a higher specific capacity and a better cycling stability as the electrode for the supercapacitor. The specific capacity value of the MnCo2O4/Ni3S4 electrode was 904.7 C g-1 at 1 A g-1 with a potential window of 0-0.55 V. A hybrid supercapacitor (HSC), assembled using MnCo2O4/Ni3S4 and active carbon as the cathode and anode, respectively, showed a capacitance of 116.4 F g-1 at 1 A g-1, and a high energy density of 50.7 Wh kg-1 at 405.8 W kg-1. Long-term electrochemical stability tests showed an obvious increase of the HSC's capacitance after 5500 charge/discharge cycles, reached a maximum value of ∼162.7% of its initial value after 25,000 cycles, and then remained a stable value up to 64,000 cycles. Simultaneously, its energy density was increased to 54.2 Wh kg-1 at 380.3 W kg-1 after 64,000 cycles.
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Affiliation(s)
- Qisheng Fang
- School of Physics, University of Electronic Science and Technology of China, Chengdu 6111731, PR China
| | - Mengxuan Sun
- School of Physics, University of Electronic Science and Technology of China, Chengdu 6111731, PR China
| | - Xiaohe Ren
- School of Physics, University of Electronic Science and Technology of China, Chengdu 6111731, PR China
| | - Yongxiu Sun
- School of Physics, University of Electronic Science and Technology of China, Chengdu 6111731, PR China
| | - Yijun Yan
- School of Physics, University of Electronic Science and Technology of China, Chengdu 6111731, PR China
| | - Ziwei Gan
- School of Physics, University of Electronic Science and Technology of China, Chengdu 6111731, PR China
| | - Jianan Huang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, PR China
| | - Baobao Cao
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, PR China
| | - Wenzhong Shen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Science, Taiyuan 030001, PR China
| | - Zhijie Li
- School of Physics, University of Electronic Science and Technology of China, Chengdu 6111731, PR China.
| | - YongQing Fu
- Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK.
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13
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Sun M, Fang Q, Li Z, Cai C, Li H, Cao B, Shen W, Liu TX, Fu Y. Co-precipitation synthesis of CuCo2O4 nanoparticles for supercapacitor electrodes with large specific capacity and high rate capability. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.139306] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Lian Y, Wang Y, Zhang D, Xu L. Peroxidase-like and oxidase-like nanozyme activities of reusable Mn–Co–S–Se/Ni foam for antibacterial application. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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15
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Wang H, Li X, Peng J, Cai Y, Jiang J, Li Q. Control of the interface graphitized/amorphous carbon of biomass-derived carbon microspheres for symmetric supercapacitors. NANOSCALE ADVANCES 2021; 3:4858-4865. [PMID: 36134322 PMCID: PMC9418735 DOI: 10.1039/d1na00262g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/29/2021] [Indexed: 06/02/2023]
Abstract
Rational interface control of porous carbon electrode materials is of significance for achieving efficient supercapacitors. Herein, biomass-derived carbon microspheres with a highly graphitized porous surface and amorphous subsurface were well constructed via a flexible coupled catalysis-activation process. The unique structure not only endows the carbon microspheres with rapid electron transfer but also an ultra-high specific surface area. Owing to the optimized graphitized/amorphous structure, the obtained graphitized and activated starch-derived carbon microspheres display obviously impressive energy storage capability among the reported starch-derived carbon materials, even though they were evaluated in a narrow voltage window. The assembled symmetrical supercapacitor based on the optimized carbon microspheres exhibits a high capacitance of 198 F g-1 at 1 A g-1, a high energy density of 14.67 W h kg-1 at a power density of 4142.80 W kg-1, robust cycle performance, and good rate performance in alkaline aqueous electrolyte. This work provides a strategy for flexible construction of biomass-derived carbon electrode materials, with an optimized graphitized/amorphous and porous structure, for boosted energy storage in supercapacitor applications.
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Affiliation(s)
- Hongqiang Wang
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University Guilin 541004 China jtjiang@.gxnu.edu.cn
| | - Xin Li
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University Guilin 541004 China jtjiang@.gxnu.edu.cn
| | - Jiming Peng
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University Guilin 541004 China jtjiang@.gxnu.edu.cn
| | - Yezheng Cai
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University Guilin 541004 China jtjiang@.gxnu.edu.cn
| | - Juantao Jiang
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University Guilin 541004 China jtjiang@.gxnu.edu.cn
| | - Qingyu Li
- Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University Guilin 541004 China jtjiang@.gxnu.edu.cn
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16
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Ni-Co sulfide hollow nanoboxes with enhanced lattice interfaces for high performance hybrid supercapacitors. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138445] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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17
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Du X, Sun J, Wu R, Bao E, Xu C, Chen H. Uniform MnCo 2O 4.5 porous nanowires and quasi-cubes for hybrid supercapacitors with excellent electrochemical performances. NANOSCALE ADVANCES 2021; 3:4447-4458. [PMID: 36133467 PMCID: PMC9417046 DOI: 10.1039/d1na00271f] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 06/02/2021] [Indexed: 06/01/2023]
Abstract
In this work, uniform MnCo2O4.5 nanowires (NWs) on stainless steel foil (SSF) were prepared through a facile, cost-efficient, and eco-friendly hydrothermal method at 120 °C with a post-calcination process in air. The microstructure of MnCo2O4.5 samples could be tuned at different hydrothermal temperatures and quasi-cubes (QCs) were obtained in high yield at 150 °C. The MnCo2O4.5 NW powder peeled off from the SSF delivered an outstanding capacity of 248.62 C g-1 at 1 A g-1 with a capacity preservation of 179.43 C g-1 at 8 A g-1, while the QCs exhibited 177.19 and 111.73 C g-1, respectively. To assess the possibility of its actual applications, a hybrid supercapacitor (HSC) device has been assembled by utilizing these MnCo2O4.5 NWs (QCs) and activated carbon (AC) as the cathode and anode, respectively. The MnCo2O4.5 NWs//AC HSC delivered a maximum capacity up to 116.95 C g-1 and extraordinary cycling durability with only 3.56% capacity loss over 5000 cycles. Besides, the MnCo2O4.5 NWs//AC HSC achieved a maximum energy density of 25.41 W h kg-1 at a power density of 782.08 W kg-1, and for the QC-based HSC, it showed a lower energy density of 20.54 W h kg-1 at 843.34 W kg-1. These remarkable electrochemical properties demonstrate that the porous MnCo2O4.5 NWs and QCs may serve as promising cathodes for advanced hybrid supercapacitors with superior performance, and the present synthetic methodology may be applied to the preparation of other cobalt-based binary metal oxides with excellent electrochemical properties.
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Affiliation(s)
- Xuming Du
- School of Materials Science and Engineering, North University of China Taiyuan 030051 China
| | - Jiale Sun
- School of Materials Science and Engineering, North University of China Taiyuan 030051 China
| | - Runze Wu
- School of Materials Science and Engineering, North University of China Taiyuan 030051 China
| | - Enhui Bao
- School of Materials Science and Engineering, North University of China Taiyuan 030051 China
| | - Chunju Xu
- School of Materials Science and Engineering, North University of China Taiyuan 030051 China
| | - Huiyu Chen
- School of Materials Science and Engineering, North University of China Taiyuan 030051 China
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Koventhan C, Kumar NKR, Chen SM, Pandi K, Sangili A. Polyol mediated synthesis of hexagonal manganese cobaltate nanoparticles for voltammetric determination of thioridazine. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126625] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Transition Metal Oxide Electrode Materials for Supercapacitors: A Review of Recent Developments. NANOMATERIALS 2021; 11:nano11051248. [PMID: 34068548 PMCID: PMC8151924 DOI: 10.3390/nano11051248] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 04/29/2021] [Accepted: 05/04/2021] [Indexed: 01/21/2023]
Abstract
In the past decades, the energy consumption of nonrenewable fossil fuels has been increasing, which severely threatens human life. Thus, it is very urgent to develop renewable and reliable energy storage devices with features of environmental harmlessness and low cost. High power density, excellent cycle stability, and a fast charge/discharge process make supercapacitors a promising energy device. However, the energy density of supercapacitors is still less than that of ordinary batteries. As is known to all, the electrochemical performance of supercapacitors is largely dependent on electrode materials. In this review, we firstly introduced six typical transition metal oxides (TMOs) for supercapacitor electrodes, including RuO2, Co3O4, MnO2, ZnO, XCo2O4 (X = Mn, Cu, Ni), and AMoO4 (A = Co, Mn, Ni, Zn). Secondly, the problems of these TMOs in practical application are presented and the corresponding feasible solutions are clarified. Then, we summarize the latest developments of the six TMOs for supercapacitor electrodes. Finally, we discuss the developing trend of supercapacitors and give some recommendations for the future of supercapacitors.
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Zhu Z, Gao F, Zhang Z, Zhuang Q, Liu Q, Yu H, Fu M. In-situ growth of MnCo2O4 hollow spheres on nickel foam as pseudocapacitive electrodes for supercapacitors. J Colloid Interface Sci 2021; 587:56-63. [DOI: 10.1016/j.jcis.2020.12.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 10/22/2022]
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Han C, Xu X, Mu H, Tian Q, Li Q, Liu Y, Zhang X, Zhao Z, Su X. Construction of hierarchical sea urchin-like manganese substituted nickel cobaltite@tricobalt tetraoxide core-shell microspheres on nickel foam as binder-free electrodes for high performance supercapacitors. J Colloid Interface Sci 2021; 596:89-99. [PMID: 33838328 DOI: 10.1016/j.jcis.2021.03.131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/11/2021] [Accepted: 03/23/2021] [Indexed: 10/21/2022]
Abstract
Construction of binder-free electrodes with hierarchical core-shell nanostructures is considered to be an effective route to promote the electrochemical performance of supercapacitors. In this work, the porous Ni0.5Mn0.5Co2O4 nanoflowers anchored on nickel foam are utilized as framework for further growing Co3O4 nanowires, resulting in the hierarchical sea urchin-like Ni0.5Mn0.5Co2O4@Co3O4 core-shell microspheres on nickel foam. Owing to the advantages brought by unique porous architecture and synergistic effect of the multi-component composites, the as-prepared electrode exhibits a high specific capacitance (931 F/g at 1 A/g), excellent rate performance (77% capacitance retention at 20 A/g) and outstanding cycle stability (92% retention over 5000 cycles at 5 A/g). Additionally, the assembled Ni0.5Mn0.5Co2O4@Co3O4//AC (activated carbon) asymmetric supercapacitor achieves a high energy density (50 Wh/kg at 750 W/kg) and long durability (88% retention after 5000 cycles).
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Affiliation(s)
- Chenxi Han
- School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
| | - Xiqing Xu
- School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
| | - Hao Mu
- School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
| | - Qiang Tian
- State Key Laboratory of Environment-Friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, China
| | - Qiang Li
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
| | - Yitong Liu
- School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
| | - Xuan Zhang
- School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
| | - Zhenhuan Zhao
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
| | - Xinghua Su
- School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China; State Key Laboratory of Environment-Friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, China.
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22
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Modulating vacancies in nonstoichiometric oxides by annealing polarized nanoporous NiCoMn as thick pseudocapacitive electrode. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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Teng XL, Sun XT, Guan L, Hu H, Wu MB. Self-supported transition metal oxide electrodes for electrochemical energy storage. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/s42864-020-00068-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Zn-Co phosphide porous nanosheets derived from metal-organic-frameworks as battery-type positive electrodes for high-performance alkaline supercapacitors. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.137063] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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25
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Self-assembled synthesis of waxberry-like open hollow NiCo2S4 with enhanced capacitance for high-performance hybrid asymmetric supercapacitors. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136314] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Liang H, Lin T, Wang S, Jia H, Li C, Cao J, Feng J, Fei W, Qi J. A free-standing manganese cobalt sulfide@cobalt nickel layered double hydroxide core-shell heterostructure for an asymmetric supercapacitor. Dalton Trans 2019; 49:196-202. [PMID: 31807736 DOI: 10.1039/c9dt03974k] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rational design of self-supported electrode materials is important to develop high-performance supercapacitors. Herein, a free-standing MnCo2S4@CoNi LDH (MCS@CN LDH) core-shell heterostructure is successfully prepared on Ni foam using the hydrothermal reaction and electrodeposition. In this architecture, the inner MnCo2S4 nanotube provides an ultra-high electrical conductivity and the CoNi LDH nanosheets can offer more electrochemical active sites for better faradaic reactions. Moreover, the core-shell heterostructure can also maintain the structural integrity during the processes of continuous charge/discharge. The MCS@CN LDH electrode displays a satisfactory specific capacitance of 1206 C g-1 and excellent cycling performance with ∼92% retention after 10 000 cycles. In addition, an asymmetric supercapacitor (ASC), in which MCS@CN LDH and N-doped rGO are used as the positive electrode and the negative electrode, was assembled which exhibits an energy density of 48.8 W h kg-1 with superior cycling stability, indicating the potential of this electrode in practical energy storage.
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Affiliation(s)
- Haoyan Liang
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China.
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Mohd Abdah MAA, Azman NHN, Kulandaivalu S, Sulaiman Y. Asymmetric supercapacitor of functionalised electrospun carbon fibers/poly(3,4-ethylenedioxythiophene)/manganese oxide//activated carbon with superior electrochemical performance. Sci Rep 2019; 9:16782. [PMID: 31728061 PMCID: PMC6856085 DOI: 10.1038/s41598-019-53421-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 10/30/2019] [Indexed: 11/09/2022] Open
Abstract
Asymmetric supercapacitors (ASC) have shown a great potential candidate for high-performance supercapacitor due to their wide operating potential which can remarkably enhance the capacitive behaviour. In present work, a novel positive electrode derived from functionalised carbon nanofibers/poly(3,4-ethylenedioxythiophene)/manganese oxide (f-CNFs/PEDOT/MnO2) was prepared using a multi-step route and activated carbon (AC) was fabricated as a negative electrode for ASC. A uniform distribution of PEDOT and MnO2 on f-CNFs as well as porous granular of AC are well-observed in FESEM. The assembled f-CNFs/PEDOT/MnO2//AC with an operating potential of 1.6 V can achieve a maximum specific capacitance of 537 F/g at a scan rate of 5 mV/s and good cycling stability (81.06% after cycling 8000 times). Furthermore, the as-prepared ASC exhibited reasonably high specific energy of 49.4 Wh/kg and low charge transfer resistance (Rct) of 2.27 Ω, thus, confirming f-CNFs/PEDOT/MnO2//AC as a promising electrode material for the future energy storage system.
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Affiliation(s)
| | - Nur Hawa Nabilah Azman
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Shalini Kulandaivalu
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Yusran Sulaiman
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia. .,Functional Devices Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
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Xiang G, Yin J, Qu G, Sun P, Hou P, Huang J, Xu X. Construction of ZnCo2S4@Ni(OH)2 core–shell nanostructures for asymmetric supercapacitors with high energy densities. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00653b] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ZnCo2S4 nanoneedle clusters are uniformly grown as a core on foamed nickel and then are coated with Ni(OH)2 nanosheets as shell layers.
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Affiliation(s)
- Guotao Xiang
- School of Physics and Technology
- University of Jinan
- Shandong 250022
- PR China
| | - Jiangmei Yin
- School of Physics and Technology
- University of Jinan
- Shandong 250022
- PR China
| | - Guangmeng Qu
- School of Physics and Technology
- University of Jinan
- Shandong 250022
- PR China
| | - Pengxiao Sun
- School of Physics and Technology
- University of Jinan
- Shandong 250022
- PR China
| | - Peiyu Hou
- School of Physics and Technology
- University of Jinan
- Shandong 250022
- PR China
| | - Jinzhao Huang
- School of Physics and Technology
- University of Jinan
- Shandong 250022
- PR China
| | - Xijin Xu
- School of Physics and Technology
- University of Jinan
- Shandong 250022
- PR China
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