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Arora G, Sabran NS, Ng CY, Low FW, Jun H. Applications of carbon quantum dots in electrochemical energy storage devices. Heliyon 2024; 10:e35543. [PMID: 39166025 PMCID: PMC11334856 DOI: 10.1016/j.heliyon.2024.e35543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/30/2024] [Accepted: 07/31/2024] [Indexed: 08/22/2024] Open
Abstract
Supercapacitors (SCs), including electric double-layer capacitors (EDLCs), pseudocapacitors, and hybrid capacitors, are esteemed for their high power density and attractive features such as robust safety, fast charging, low maintenance, and prolonged cycling lifespan, sparking significant interest. Carbon quantum dots (CQDs) are fluorescent nanomaterials with small size, broad excitation spectrum, stable fluorescence, and adjustable emission wavelengths. They are widely used in optoelectronics, medical diagnostics, and energy storage due to their biocompatibility, low toxicity, rich surface functional groups, abundant electron-hole pairs, large specific surface area, and tunable heteroatom doping. In this short review, we briefly discussed the advantages and disadvantages of bottom-up and top-down of CQD synthesis methods. The arc-discharge technique, laser ablation technique, plasma treatment, ultrasound synthesis technique, electrochemical technique, chemical exfoliation, and combustion are among the initial top-down approaches. The subsequent section delineates waste-derived and bottom-up methods, encompassing microwave synthesis, hydrothermal synthesis, thermal pyrolysis, and the metal-organic framework template-assisted technique. In addition, this short review focuses on the operational mechanism of supercapacitors, their properties, and the utilization of CQDs in supercapacitors.
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Affiliation(s)
- Grishika Arora
- Department of Mechanical and Materials Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
| | - Nuur Syahidah Sabran
- Centre for Advanced and Sustainable Materials Research, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
- Centre for Sustainable Mobility Technologies, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
| | - Chai Yan Ng
- Department of Mechanical and Materials Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
- Centre for Advanced and Sustainable Materials Research, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
| | - Foo Wah Low
- Centre for Advanced and Sustainable Materials Research, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
- Department of Electrical and Electronic Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Sungai Long Campus, Jalan Sungai Long, Bandar Sungai Long, 43000, Kajang, Malaysia
| | - H.K. Jun
- Department of Mechanical and Materials Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
- Centre for Advanced and Sustainable Materials Research, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
- Centre for Sustainable Mobility Technologies, Universiti Tunku Abdul Rahman, Sungai Long Campus, Bandar Sungai Long, 43000, Kajang, Malaysia
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Kour S, Kour P, Sharma AL. Polypyrrole and activated carbon enriched MnCo 2O 4 ternary composite as efficient electrode material for hybrid supercapacitors. NANOSCALE 2024; 16:13627-13641. [PMID: 38961760 DOI: 10.1039/d4nr00828f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
The development of proficient electrode materials is one of the major tasks faced by modern techniques for energy storage. Integrating different materials with synergistic effects can be a valuable strategy for designing storage devices with high capacity and energy density. The spinel manganese cobaltite (MnCo2O4) is an outstanding candidate for supercapacitors owing to its remarkable pseudocapacitive behavior. However, it suffers from low electric conductivity and limited cyclic stability. To overcome its limitations, activated carbon with superior cyclic stability and polypyrrole with high electric conductivity can be incorporated in MnCo2O4. The synergistic effect of these components offers high capacitance, better conductivity, and superior cyclic performance to the ternary composite. Herein, the MnCo2O4/AC/PPY ternary composite has been synthesized by a facile approach. The optimized ternary composite (MAP-20) exhibited a wonderful capacitance of 945.77 F g-1 at five mV s-1 compared to pristine MnCo2O4 (254.98 F g-1). The real-time applicability of the optimized composite was tested with asymmetric device configuration. The asymmetric device with MAP-20 and MnO2/AC electrodes exhibited a wonderful Ed of 88.12 W h kg-1 (Pd ∼ 1.6 kW kg-1). The asymmetric device also exhibited excellent cyclic performance of 89.68% for 10 000 cycles. Further, the real-time applicability of the device was tested by illuminating a 39 red LED panel. Three asymmetric cells connected in series illuminated the panel for about 45 minutes. All these results suggest that the synergistic integration of various efficient electrode materials leads to enhanced electrochemical performance of supercapacitors.
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Affiliation(s)
- Simran Kour
- Department of Physics, Central University of Punjab, Bathinda, 151401, Punjab, India.
| | - Pawanpreet Kour
- Department of Physics, Central University of Punjab, Bathinda, 151401, Punjab, India.
| | - A L Sharma
- Department of Physics, Central University of Punjab, Bathinda, 151401, Punjab, India.
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Kumar RS, Mannu P, Prabhakaran S, Nga TTT, Kim Y, Kim DH, Chen J, Dong C, Yoo DJ. Trimetallic Oxide Electrocatalyst for Enhanced Redox Activity in Zinc-Air Batteries Evaluated by In Situ Analysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303525. [PMID: 37786295 PMCID: PMC10646265 DOI: 10.1002/advs.202303525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/22/2023] [Indexed: 10/04/2023]
Abstract
Researchers are investigating innovative composite materials for renewable energy and energy storage systems. The major goals of this studies are i) to develop a low-cost and stable trimetallic oxide catalyst and ii) to change the electrical environment of the active sites through site-selective Mo substitution. The effect of Mo on NiCoMoO4 is elucidated using both in situ X-ray absorption spectroscopy and X-ray diffraction analysis. Also, density functional theory strategies show that NiCoMoO4 has extraordinary catalytic redox activity because of the high adsorption energy of the Mo atom on the active crystal plane. Further, it is demonstrated that hierarchical nanoflower structures of NiCoMoO4 on reduced graphene oxide can be employed as a powerful bifunctional electrocatalyst for oxygen reduction/evolution reactions in alkaline solutions, providing a small overpotential difference of 0.75 V. Also, Zn-air batteries based on the developed bifunctional electrocatalyst exhibit outstanding cycling stability and a high-power density of 125.1 mW cm-2 . This work encourages the use of Zn-air batteries in practical applications and provides an interesting concept for designing a bifunctional electrocatalyst.
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Affiliation(s)
- Ramasamy Santhosh Kumar
- Department of Energy Storage/Conversion Engineering of Graduate School (BK21 FOUR)Hydrogen and Fuel Cell Research CenterJeonbuk National UniversityJeonjuJeollabuk‐do54896Republic of Korea
| | - Pandian Mannu
- Research Center for X‐ray ScienceDepartment of PhysicsTamkang UniversityTamsui25137Taiwan
| | - Sampath Prabhakaran
- Department of Nano Convergence EngineeringJeonbuk National UniversityJeonjuJeonbuk54896Republic of Korea
| | - Ta Thi Thuy Nga
- Research Center for X‐ray ScienceDepartment of PhysicsTamkang UniversityTamsui25137Taiwan
| | - Yangsoo Kim
- Korea Basic Science InstituteJeonju CenterJeonju‐siJeollabuk‐do54896Republic of Korea
| | - Do Hwan Kim
- Department of Energy Storage/Conversion Engineering of Graduate School (BK21 FOUR)Hydrogen and Fuel Cell Research CenterJeonbuk National UniversityJeonjuJeollabuk‐do54896Republic of Korea
- Division of Science Education and Institute of Fusion ScienceJeonbuk National UniversityJeonjuJeollabuk‐do54896Republic of Korea
| | - Jeng‐Lung Chen
- National Synchrotron Radiation Research CenterHsinchu30076Taiwan
| | - Chung‐Li Dong
- Research Center for X‐ray ScienceDepartment of PhysicsTamkang UniversityTamsui25137Taiwan
| | - Dong Jin Yoo
- Department of Energy Storage/Conversion Engineering of Graduate School (BK21 FOUR)Hydrogen and Fuel Cell Research CenterJeonbuk National UniversityJeonjuJeollabuk‐do54896Republic of Korea
- Department of Life ScienceJeonbuk National UniversityJeonju‐siJeollabuk‐do54896Republic of Korea
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Xiao J, Yu P, Zhao K, Gao H. Two-dimensional transition metal carbide (Ti 0.5V 0.5) 3C 2T x MXene as high performance electrode for flexible supercapacitor. J Colloid Interface Sci 2023; 639:233-240. [PMID: 36805748 DOI: 10.1016/j.jcis.2023.02.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 02/09/2023] [Accepted: 02/12/2023] [Indexed: 02/16/2023]
Abstract
MXenes have gained widespread interest in flexible supercapacitor due to their rich electrochemical activity and free-standing electrode structure. However, it has been a challenge to obtain an electrode with high (mass and volumetric) specific capacitance, high rate and long cycle life simultaneously. Herein, we have prepared a novel few-layer double transition metal carbide (Ti0.5V0.5)3C2Tx MXene. Multivalent V atoms with high electrochemical activity were constructed in stable M3C2-type MXene to obtain the (Ti0.5V0.5)3C2Tx electrode with excellent performance in flexible supercapacitors. The (Ti0.5V0.5)3C2Tx film has an excellent specific capacitance of 387F g-1 (1625 mF cm-3) at 1.0 A g-1, and 267 F g-1 (1121 mF cm-3) even at a high current density of 20.0 A g-1, demonstrating superior rate performance (69%). Moreover, the capacitance of the (Ti0.5V0.5)3C2Tx film remains stable during 100,000 cycles. The symmetric supercapacitor assembled using (Ti0.5V0.5)3C2Tx film has high energy and power densities, up to 5.6 Wh kg-1 and 5210.3 W kg-1. And the all-solid-state (Ti0.5V0.5)3C2Tx flexible SC maintains stable electrochemical performance after 200 bending cycles. This work shows the huge potential of (Ti0.5V0.5)3C2Tx in flexible supercapacitor, and provides a new idea for the design of high performance flexible electrodes.
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Affiliation(s)
- Junpeng Xiao
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, People's Republic of China
| | - Peng Yu
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, People's Republic of China
| | - Kaixin Zhao
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, People's Republic of China
| | - Hong Gao
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, People's Republic of China.
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Zhao Y, Zeng Y, Tang W, Jiang C, Hu H, Wu X, Fu J, Yan Z, Yan M, Wang Y, Qiao L. Phosphate ions functionalized spinel iron cobaltite derived from metal organic framework gel for high-performance asymmetric supercapacitors. J Colloid Interface Sci 2023; 630:751-761. [DOI: 10.1016/j.jcis.2022.10.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 10/25/2022] [Accepted: 10/30/2022] [Indexed: 11/08/2022]
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Kamble GP, Rasal AS, Chang JY, Kolekar SS, Tayade SN, Ghule AV. Structure-engineering of core-shell ZnCo 2O 4@NiO composites for high-performance asymmetric supercapacitors. NANOSCALE ADVANCES 2022; 4:814-823. [PMID: 36131824 PMCID: PMC9417139 DOI: 10.1039/d1na00851j] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 12/18/2021] [Indexed: 05/27/2023]
Abstract
The implementation of a structure-designed strategy to construct hierarchical architectures of multicomponent metal oxide-based electrode materials for energy storage devices is in the limelight. Herein, we report NiO nanoflakes impregnated on ZnCo2O4 nanorod arrays as ZnCo2O4@NiO core-shell structures on a flexible stainless-steel mesh substrate, fabricated by a simple, cost-effective and environmentally friendly reflux condensation method. The core-shell structure of ZnCo2O4@NiO is used as an electrode material in a supercapacitor as it provides a high specific surface area (134.79 m2 g-1) offering high electroactive sites for a redox reaction, reduces the electron and ion diffusion path, and promotes an efficient contact between the electroactive material and electrolyte. The binder-free ZnCo2O4@NiO electrode delivers a high specific capacitance of 882 F g-1 at 4 mA cm-2 current density and exhibits remarkable cycling stability (∼85% initial capacitance retention after 5000 charge-discharge cycles at 10 mA cm-2). The asymmetric supercapacitor device ZnCo2O4@NiO//rGO delivered a maximum energy density of 46.66 W h kg-1 at a power density of 800 W kg-1. The device exhibited 90.20% capacitance retention after 4000 cycles. These results indicate that the ZnCo2O4@NiO architecture electrode is a promising functional material for energy storage devices.
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Affiliation(s)
- Gokul P Kamble
- Green Nanotechnology Laboratory, Department of Chemistry, Shivaji University Kolhapur 416004 Maharashtra India
| | - Akash S Rasal
- Green Nanotechnology Laboratory, Department of Chemistry, Shivaji University Kolhapur 416004 Maharashtra India
- Department of Chemical Engineering, National Taiwan University of Science and Technology Taipei Taiwan
| | - Jia-Yaw Chang
- Department of Chemical Engineering, National Taiwan University of Science and Technology Taipei Taiwan
| | - Sanjay S Kolekar
- Analytical Chemistry and Material Science Research Laboratory, Department of Chemistry, Shivaji University Kolhapur 416004 Maharashtra India
| | - Shivaji N Tayade
- Department of Chemistry, Shivaji University Kolhapur 416004 Maharashtra India
| | - Anil V Ghule
- Green Nanotechnology Laboratory, Department of Chemistry, Shivaji University Kolhapur 416004 Maharashtra India
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