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Asghar A, Khan K, Hakami O, Alamier WM, Ali SK, Zelai T, Rashid MS, Tareen AK, Al-Harthi EA. Recent progress in metal oxide-based electrode materials for safe and sustainable variants of supercapacitors. Front Chem 2024; 12:1402563. [PMID: 38831913 PMCID: PMC11144895 DOI: 10.3389/fchem.2024.1402563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 04/23/2024] [Indexed: 06/05/2024] Open
Abstract
A significant amount of energy can be produced using renewable energy sources; however, storing massive amounts of energy poses a substantial obstacle to energy production. Economic crisis has led to rapid developments in electrochemical (EC) energy storage devices (EESDs), especially rechargeable batteries, fuel cells, and supercapacitors (SCs), which are effective for energy storage systems. Researchers have lately suggested that among the various EESDs, the SC is an effective alternate for energy storage due to the presence of the following characteristics: SCs offer high-power density (PD), improvable energy density (ED), fast charging/discharging, and good cyclic stability. This review highlighted and analyzed the concepts of supercapacitors and types of supercapacitors on the basis of electrode materials, highlighted the several feasible synthesis processes for preparation of metal oxide (MO) nanoparticles, and discussed the morphological effects of MOs on the electrochemical performance of the devices. In this review, we primarily focus on pseudo-capacitors for SCs, which mainly contain MOs and their composite materials, and also highlight their future possibilities as a useful application of MO-based materials in supercapacitors. The novelty of MO's electrode materials is primarily due to the presence of synergistic effects in the hybrid materials, rich redox activity, excellent conductivity, and chemical stability, making them excellent for SC applications.
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Affiliation(s)
- Ali Asghar
- Additive Manufacturing Institute, Shenzhen University, Shenzhen, China
| | - Karim Khan
- Additive Manufacturing Institute, Shenzhen University, Shenzhen, China
| | - Othman Hakami
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, Jazan, Saudi Arabia
| | - Waleed M. Alamier
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, Jazan, Saudi Arabia
| | - Syed Kashif Ali
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, Jazan, Saudi Arabia
| | - Taharh Zelai
- Department of Physical Sciences, Physics Division, College of Science, Jazan University, Jazan, Saudi Arabia
| | - Muhammad Shahid Rashid
- Department of Physical Sciences, Physics Division, College of Science, Jazan University, Jazan, Saudi Arabia
| | - Ayesha Khan Tareen
- School of Mechanical Engineering, Dongguan University of Technology, Dongguan, China
| | - Enaam A. Al-Harthi
- College of Science, Department of Chemistry, University of Jeddah, Jeddah, Saudi Arabia
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2
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Liu Y, Li G, Huan L, Cao S. Advancements in silicon carbide-based supercapacitors: materials, performance, and emerging applications. NANOSCALE 2024; 16:504-526. [PMID: 38108473 DOI: 10.1039/d3nr05050e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Silicon carbide (SiC) nanomaterials have emerged as promising candidates for supercapacitor electrodes due to their unique properties, which encompass a broad electrochemical stability range, exceptional mechanical strength, and resistance to extreme conditions. This review offers a comprehensive overview of the latest advancements in SiC nanomaterials for supercapacitors. It encompasses diverse synthesis methods for SiC nanomaterials, including solid-state, gas-phase, and liquid-phase synthesis techniques, while also discussing the advantages and challenges associated with each method. Furthermore, this review places a particular emphasis on the electrochemical performance of SiC-based supercapacitors, highlighting the pivotal role of SiC nanostructures and porous architectures in enhancing specific capacitance and cycling stability. A deep dive into SiC-based composite materials, such as SiC/carbon composites and SiC/metal oxide hybrids, is also included, showcasing their potential to elevate energy density and cycling stability. Finally, the paper outlines prospective research directions aimed at surmounting existing challenges and fully harnessing SiC's potential in the development of next-generation supercapacitors.
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Affiliation(s)
- Yangwen Liu
- School of Materials Sciences and Technology, Guangdong University of Petrochemical Technology, Maoming, 525000, China
| | - Guanghuan Li
- School of Materials Sciences and Technology, Guangdong University of Petrochemical Technology, Maoming, 525000, China
| | - Li Huan
- Department of Library, Guangdong University of Petrochemical Technology, Maoming, 525000, China.
| | - Sheng Cao
- School of Physical Science and Technology, State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China.
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3
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Nashim A, Pany S, Parida K. Effect of synthesis methods on the activity of NiO/Co 3O 4 as an electrode material for supercapacitor: in the light of X-ray diffraction study. RSC Adv 2024; 14:233-244. [PMID: 38173613 PMCID: PMC10759196 DOI: 10.1039/d3ra05200a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 12/04/2023] [Indexed: 01/05/2024] Open
Abstract
The formation of heterostructures by combining individual components (NiO and Co3O4) is a preferred approach to enhance electrochemical performance as it leads to improved charge transfer and surface reaction kinetics. In the present work, a NiO/Co3O4 composite was prepared by two methods. First, neat NiO and Co3O4 were prepared by adopting the hydrothermal method followed by the formation of the composite (i) by a hydrothermal route (NC-Hydro) and (ii) by a calcination route (NC-Cal). NC-Hydro composite shows a specific capacity of 176 C g-1 at 1 A g-1 of current density in the three-electrode system in a 2 M KOH solution as an electrolyte with 90% cyclic retention after 5000 cycles at 4 A g-1. NC-Cal shows a specific capacity of 111 C g-1 at 1 A g-1 with 75% cyclic retention. The coulombic efficiency of NC-Hydro was 86.3% while for NC-Cal it was 42.3%. The reason behind the superior electrochemical performance of NC-Hydro in comparison to NC-Cal may be the large interlayer spacing and lattice parameters of the former, which provide large space for redox reactions. The unit cell volume of the composites was more than that of the constituents. This study reveals that the composites prepared by the hydrothermal method have superior electrochemical properties in comparison to composites prepared by the calcination method.
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Affiliation(s)
- Amtul Nashim
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan (Deemed to be University) Bhubaneswar 751019 India
| | - Soumyashree Pany
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan (Deemed to be University) Bhubaneswar 751019 India
| | - Kulamani Parida
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan (Deemed to be University) Bhubaneswar 751019 India
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4
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Yan J, Sheng Y, Zhang D, Tang Z. Research Progress in Fluid Energy Collection Based on Friction Nanogenerators. MICROMACHINES 2023; 15:40. [PMID: 38258159 PMCID: PMC10821466 DOI: 10.3390/mi15010040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024]
Abstract
In recent decades, the development of electronic technology has provided opportunities for the Internet of Things, biomedicine, and energy harvesting. One of the challenges of the Internet of Things in the electrification era is energy supply. Centralized energy supply has been tested over hundreds of years of history, and its advantages such as ideal output power and stable performance are obvious, but it cannot meet the specific needs of the Internet of Things, and distributed energy supply also has a large demand. Since the invention of nanogenerators, another promising solution for fluid energy harvesting has been opened up. The triboelectric nanogenerator is an emerging platform technology for electromechanical energy conversion, which can realize the collection of fluid energy such as wind energy and wave energy. In this paper, we first introduce the fundamentals of triboelectric nanogenerators and their applications in wind and wave energy harvesting devices. We then discuss the methods of device optimization in the next development of TENG and conclude by considering the future prospects and challenges for triboelectric nanogenerator harvesting devices.
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Affiliation(s)
- Jin Yan
- Naval Architecture and Shipping College, Guangdong Ocean University, Zhanjiang 524088, China
- Guangdong Provincial Key Laboratory of Intelligent Equipment for South China Sea Marine Ranching, Guangdong Ocean University, Zhanjiang 524088, China
- Shenzhen Research Institute, Guangdong Ocean University, Shenzhen 518120, China
| | - Yuxuan Sheng
- Naval Architecture and Shipping College, Guangdong Ocean University, Zhanjiang 524088, China
- Guangdong Provincial Key Laboratory of Intelligent Equipment for South China Sea Marine Ranching, Guangdong Ocean University, Zhanjiang 524088, China
- Shenzhen Research Institute, Guangdong Ocean University, Shenzhen 518120, China
| | - Dapeng Zhang
- Naval Architecture and Shipping College, Guangdong Ocean University, Zhanjiang 524088, China
- Guangdong Provincial Key Laboratory of Intelligent Equipment for South China Sea Marine Ranching, Guangdong Ocean University, Zhanjiang 524088, China
- Shenzhen Research Institute, Guangdong Ocean University, Shenzhen 518120, China
| | - Zhi Tang
- Naval Architecture and Shipping College, Guangdong Ocean University, Zhanjiang 524088, China
- Guangdong Provincial Key Laboratory of Intelligent Equipment for South China Sea Marine Ranching, Guangdong Ocean University, Zhanjiang 524088, China
- Shenzhen Research Institute, Guangdong Ocean University, Shenzhen 518120, China
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Li X, Liu L, Tu C, Zhang Q, Yang X, Kolokolov DI, Maltanava H, Belko N, Poznyak S, Samtsov M, Guo H, Wu S, Zhu M. Zn-BTC MOF as Self-Template to Hierarchical ZnS/NiS 2 Heterostructure with Improved Electrochemical Performance for Hybrid Supercapacitor. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 14:22. [PMID: 38202477 PMCID: PMC10780987 DOI: 10.3390/nano14010022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024]
Abstract
Zn-BTC (H3BTC refers to 1, 3, 5-benzoic acid) MOF was used as a self-template and a zinc source to prepare ZnS/NiS2 with a layered heterogeneous structure as a promising electrode material using cation exchange and solid-phase vulcanization processes. The synergistic effect of the two metal sulfides enhances the application of ZnS/NiS2. And the high specific surface area and abundant active sites further promote the mass/charge transfer and redox reaction kinetics. In the three-electrode system, the specific capacitance was as high as 1547 F/g at a current density of 1 A/g, along with satisfactory rate capability (1214 F/g at 6 A/g) and cycling performance. Coupled with activated carbon (AC), the prepared hybrid device (ZnS/NiS2 as the positive electrode and AC as the negative electrode) (ZnS/NiS2/AC) can be operated under a potential window of 1.6 V and provides a high energy density of 26.3 Wh/kg at a power density of 794 W/kg. Notably, the assembled ZnS/NiS2//AC showed little capacity degradation after 5000 charge/discharge cycles.
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Affiliation(s)
- Xuan Li
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China; (X.L.); (L.L.); (C.T.); (S.W.)
| | - Lingran Liu
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China; (X.L.); (L.L.); (C.T.); (S.W.)
| | - Chengyu Tu
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China; (X.L.); (L.L.); (C.T.); (S.W.)
| | - Quan Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
- Clean Energy Joint International Laboratory, Low-Dimensional Energy Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
| | - Xinchun Yang
- Clean Energy Joint International Laboratory, Low-Dimensional Energy Materials Research Center, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
| | - Daniil I. Kolokolov
- Boreskov Institute of Catalysis, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russia;
| | - Hanna Maltanava
- Research Institute for Physical Chemical Problems, Belarusian State University, Leningradskaya Str. 14, 220006 Minsk, Belarus; (H.M.); (N.B.); (S.P.); (M.S.)
| | - Nikita Belko
- Research Institute for Physical Chemical Problems, Belarusian State University, Leningradskaya Str. 14, 220006 Minsk, Belarus; (H.M.); (N.B.); (S.P.); (M.S.)
| | - Sergey Poznyak
- Research Institute for Physical Chemical Problems, Belarusian State University, Leningradskaya Str. 14, 220006 Minsk, Belarus; (H.M.); (N.B.); (S.P.); (M.S.)
| | - Michael Samtsov
- Research Institute for Physical Chemical Problems, Belarusian State University, Leningradskaya Str. 14, 220006 Minsk, Belarus; (H.M.); (N.B.); (S.P.); (M.S.)
| | - Haixin Guo
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, No. 31 Fukang Road, Nankai District, Tianjin 300191, China;
| | - Shuping Wu
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China; (X.L.); (L.L.); (C.T.); (S.W.)
| | - Maiyong Zhu
- Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China; (X.L.); (L.L.); (C.T.); (S.W.)
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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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Pugalenthiyar T, Raj CJ, Manikandan R, Antonysamy DS, Puigdollers J, Kaya C, Kim BC. Two-Dimensional Synergistic Interfacial Orientation on Tin Oxide-Reinforced Cobalt Carbonate Hydroxide Heterostructures for High-Performance Energy Storage. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37930263 DOI: 10.1021/acsami.3c10336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
A hierarchical cobalt carbonate hydroxide (CCH) nanostructure with outstanding electrochemical kinetics and structural stability for energy storage is largely unknown. Herein, we report tin oxide-functionalized CCH surface-enabled unique two-dimensional (2D) interlayered heterostructures that promote high conductivity with more electroactive sites to maximize redox reactions. A simple electrodeposition technique was utilized to construct the hierarchical 2D CCH electrode, while a surface-reinforced method was employed to fabricate the 2D interlayered SnO on CCH. The fabricated SnO@CCH-8 electrode showed a maximum areal capacity of 720 mC cm-2 (specific capacitance of 515 F g-1) at a current density of 1 mA cm-2 in 3 M KOH electrolyte. The obtained results indicate that the synergetic effect of SnO in the CCH network delivers an efficient charge transfer pathway to achieve high-performance energy storage. Moreover, SnO@CCH-8//AC was devised as a hybrid supercapacitor (HSC), ensuring a maximum specific capacitance of 129 F g-1 and maximum specific energy and power of 40.25 W h kg-1 and 9000 W kg-1, respectively, with better capacitance retention (94%) even beyond 10,000 cycles. To highlight the excellent performance in real-time studies, the HSC was constructed using a coin cell and displayed to power 21 light-emitting diodes (LEDs).
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Affiliation(s)
- Thondaiman Pugalenthiyar
- Department of Advanced Components and Materials Engineering, Sunchon National University, 255, Jungang-ro, Suncheon-si, Jellanam-do 57922, Republic of Korea
| | - Chellan Justin Raj
- Physics Division, School of Advanced Sciences, Vellore Institute of Technology (VIT), Chennai Campus, Chennai 600127, Tamil Nadu, India
| | - Ramu Manikandan
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul 04620, Republic of Korea
| | - Dennyson Savariraj Antonysamy
- Advanced Functional Nanohybrid Material Laboratory, Department of Chemistry, Dongguk University Seoul-Campus, Jung-gu, Seoul 04620, Republic of Korea
| | - Joaquim Puigdollers
- Departament d'Enginyeria Electrònica, Universitat Politècnica de Catalunya, Jordi Girona 1-3, Barcelona 08034, Spain
| | - Cengiz Kaya
- Faculty of Chemistry and Metallurgy, Department of Metallurgical and Materials Engineering, Yıldız Technical University, Istanbul 34349, Turkey
| | - Byung Chul Kim
- Department of Advanced Components and Materials Engineering, Sunchon National University, 255, Jungang-ro, Suncheon-si, Jellanam-do 57922, Republic of Korea
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8
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Chen X, Zhang K, Chuai M, Zhang M. Modulation of p- and n-Type Transitions in Co 3- x Ni x O 4 Nanoparticles for Enhanced Supercapacitor Electrochemical Performance. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302342. [PMID: 37259277 DOI: 10.1002/smll.202302342] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/28/2023] [Indexed: 06/02/2023]
Abstract
The efficient storage of electrons and the type of conduction in semiconductor materials are important factors in determining their electrochemical performance. However, the interaction between these two factors is often overlooked by researchers. In this study, the effects of Ni doping at Co3- x Nix O4 nanoparticles on the electronic storage form of the material and resulting changes in the conduction p/n-type are reported. Theoretical calculations demonstrate that n-type conduction with high effective mass of electrons contributes significantly to the redox reaction of electrode materials and is beneficial for improving electrochemical performance. The specific capacitance of Co3- x Nix O4 (x = 0.67) electrode material is 10 times larger than that of Co3 O4 due to enhanced orbital hybridization caused by Ni atom doping. The findings provide new directions for exploring the mechanism of conductive type conversion of materials and offer insights beyond the traditional approach of considering doping content alone.
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Affiliation(s)
- Xi Chen
- State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, P. R. China
| | - Kewei Zhang
- State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, P. R. China
| | - Mingyan Chuai
- State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, P. R. China
| | - Mingzhe Zhang
- State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, P. R. China
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Zhu N, Zhou J, Zhang L, Yao N, Dastan D, Zhang J, Chen Y, Zhang X. Design and characterization of molecular, crystal and interfacial structures of PVDF-based dielectric nanocomposites for electric energy storage. SOFT MATTER 2023. [PMID: 37309746 DOI: 10.1039/d3sm00291h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
PVDF-based polymers with polar covalent bonds are next-generation dielectric materials for electric energy storage applications. Several types of PVDF-based polymers, such as homopolymers, copolymers, terpolymers and tetrapolymers, were synthesized by radical addition reactions, controlled radical polymerizations, chemical modifications or reduction with the monomers of vinylidene fluoride (VDF), tetrafluoroethylene (TFE), trifluoroethylene (TrFE), hexafluoropropylene (HFP) and chlorotrifluoroethylene (CTFE). Owing to rich molecular structures and complicated crystal structures, PVDF-based dielectric polymers can show versatile dielectric polarization properties, including normal ferroelectrics, relaxor ferroelectrics, anti-ferroelectrics and linear dielectrics, which are beneficial for designing polymer films with high capacity and high charge-discharge efficiency for capacitor applications. Furthermore, to satisfy the requirements of practical high-capacity capacitors, the polymer nanocomposite method is another promising strategy to achieve high-capacitance dielectric materials by the addition of high-dielectric ceramic nanoparticles, moderate-dielectric nanoparticles (MgO, and Al2O3), high-insulation nanosheets (BN), etc. It is concluded with the current problems and future perspectives of interfacial engineering, such as core-shell strategies and hierarchical interfaces in polymer-based composite dielectrics for high-energy-density capacitor applications. In addition, an in-depth understanding of the roles of interfaces on the dielectric properties of nanocomposites can be achieved by indirect analysis techniques (theoretical simulation) and direct analysis techniques (scanning probe microscopy). Our systematic discussions on molecular, crystal and interfacial structures provide guidance for designing fluoropolymer-based nanocomposites for high-performance capacitor applications.
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Affiliation(s)
- Ning Zhu
- Institute of Advanced Magnetic Materials and International Research Center for EM Metamaterials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
| | - Jingtao Zhou
- Institute of Advanced Magnetic Materials and International Research Center for EM Metamaterials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
| | - Lei Zhang
- State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University Xi'an, 710049, China
| | - Ni Yao
- Research Center for Intelligent Sensing, Zhejiang Lab, Hangzhou, 311121, China
| | - Davoud Dastan
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, 15850, USA
| | - Jian Zhang
- Institute of Advanced Magnetic Materials and International Research Center for EM Metamaterials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
| | - Yingxin Chen
- Institute of Advanced Magnetic Materials and International Research Center for EM Metamaterials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
| | - Xuefeng Zhang
- Institute of Advanced Magnetic Materials and International Research Center for EM Metamaterials, College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
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10
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Kim D, Gao Y, Rigby K, Meese AF, Lim HJ, Wang H, Kim JH, Kim JH. Pulsed Electrolysis of Boron-Doped Carbon Dramatically Improves Impurity Tolerance and Longevity of H 2O 2 Production. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:7309-7320. [PMID: 37094280 PMCID: PMC10174061 DOI: 10.1021/acs.est.3c00305] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/18/2023] [Accepted: 04/13/2023] [Indexed: 05/03/2023]
Abstract
Electrocatalytic water treatment has emerged in the limelight of scientific interest, yet its long-term viability remains largely in the dark. Herein, we present for the first time a comprehensive framework on how to optimize pulsed electrolysis to bolster catalyst impurity tolerance and overall longevity. By examining real wastewater constituents and assessing different catalyst designs, we deconvolute the complexities associated with key pulsing parameters to formulate optimal sequences that maximize operational lifetime. We showcase our approach for cathodic H2O2 electrosynthesis, selected for its widespread importance to wastewater treatment. Our results unveil superior performance for a boron-doped carbon catalyst over state-of-the-art oxidized carbon, with high selectivity (>75%) and near complete recoveries in overpotentials even in the presence of highly detrimental Ni2+ and Zn2+ impurities. We then adapt these fine-tuned settings, obtained under a three-electrode arrangement, for practical two-electrode operation using a novel strategy that conserves the desired electrochemical potentials at the catalytic interface. Even under various impurity concentrations, our pulses substantially improve long-term H2O2 production to 287 h and 35 times that attainable via conventional electrolysis. Our findings underscore the versatility of pulsed electrolysis necessary for developing more practical water treatment technologies.
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Affiliation(s)
- David
J. Kim
- Department
of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, United States
| | - Yuanzuo Gao
- Department
of Chemistry, Yale University, New Haven, Connecticut 06520, United States
- Energy
Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Kali Rigby
- Department
of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, United States
| | - Aidan F. Meese
- Department
of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, United States
| | - Hyun Jeong Lim
- Department
of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, United States
| | - Hailiang Wang
- Department
of Chemistry, Yale University, New Haven, Connecticut 06520, United States
- Energy
Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Jin Hyun Kim
- Institute
of Chemical Sciences and Engineering, École Polytechnique Fédérale
de Lausanne, Lausanne 1015, Switzerland
| | - Jae-Hong Kim
- Department
of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, United States
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11
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Mulik S, Dhas SD, Moholkar AV, Parale VG, Park HH, Koyale PA, Ghodake VS, Panda DK, Delekar SD. Square-Facet Nanobar MOF-Derived Co 3O 4@Co/N-doped CNT Core-Shell-based Nanocomposites as Cathode Materials for High-Performance Supercapacitor Studies. ACS OMEGA 2023; 8:2183-2196. [PMID: 36687033 PMCID: PMC9850747 DOI: 10.1021/acsomega.2c06369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
The binary as well as ternary nanocomposites of the square-facet nanobar Co-MOF-derived Co3O4@Co/N-CNTs (N-CNTs: nitrogen-doped carbon nanotubes) with Ag NPs and rGO have been synthesized via an easy wet chemical route, and their supercapacitor behavior was then studied. At a controlled pH of the precursor solution, square-facet nanobars of Co-MOF were first synthesized by the solvothermal method and then pyrolyzed under a controlled nitrogen atmosphere to get a core-shell system of Co3O4@Co/N-CNTs. In the second step, different compositions of Co3O4@Co/N-CNT core-shell structures were formed by an ex-situ method with Ag NPs and rGO moieties. Among several bare, binary, and ternary compositions tested in 6 M aqueous KOH electrolyte, a ternary nanocomposite having a 7.0:1.5:1.5 stoichiometric ratio of Co3O4@Co/N-CNT, Ag NPs, and rGO, respectively, reported the highest specific capacitance (3393.8 F g-1 at 5 mV s-1). The optimized nanocomposite showed the energy density, power density, and Coulombic efficiency of 74.1 W h.kg-1, 443.7 W.kg-1, and 101.3%, respectively, with excellent electrochemical stability. After testing an asymmetrical supercapacitor with a Co3O4@Co/N-CNT/Ag NPs/rGO/nickel foam cathode and an activated carbon/nickel foam anode, it showed 4.9 W h.kg-1 of energy density and 5000.0 W.kg-1 of power density.
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Affiliation(s)
- Swapnajit
V. Mulik
- Department
of Chemistry, Shivaji University, Kolhapur416 004, Maharashtra, India
| | - Suprimkumar D. Dhas
- Thin
Film Nanomaterial, Department of Physics, Shivaji University, Kolhapur416 004, Maharashtra, India
| | - Annasaheb V. Moholkar
- Thin
Film Nanomaterial, Department of Physics, Shivaji University, Kolhapur416 004, Maharashtra, India
| | - Vinayak G. Parale
- Department
of Materials Science and Engineering, Yonsei
University, 50 Yonsei-ro,
Seodaemun-gu, Seoul03722, South Korea
| | - Hyung-Ho Park
- Department
of Materials Science and Engineering, Yonsei
University, 50 Yonsei-ro,
Seodaemun-gu, Seoul03722, South Korea
| | - Pramod A. Koyale
- Department
of Chemistry, Shivaji University, Kolhapur416 004, Maharashtra, India
| | - Vijay S. Ghodake
- Department
of Chemistry, Shivaji University, Kolhapur416 004, Maharashtra, India
| | - Dillip K. Panda
- Department
of Materials Science and Engineering, Clemson
University, Clemson, South Carolina29631, United States
| | - Sagar D. Delekar
- Department
of Chemistry, Shivaji University, Kolhapur416 004, Maharashtra, India
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12
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Surya Kiran A, Ramulu B, Junied Arbaz S, Girija Shankar E, Nagaraju M, Yu JS. Rational construction of porous marigold flower-like nickel molybdenum phosphates via ion exchange for high-performance long-lasting hybrid supercapacitors. Inorg Chem Front 2023. [DOI: 10.1039/d2qi02697j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
The assembled hybrid supercapacitor device using the urea-based nickel molybdenum phosphate nanopetals embedded microspheres electrode exhibits outstanding long-term cycling stability, demonstrating its practical applications.
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Affiliation(s)
- Ampasala Surya Kiran
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-aero, Gihung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Bhimanaboina Ramulu
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-aero, Gihung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Shaik Junied Arbaz
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-aero, Gihung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Edugulla Girija Shankar
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-aero, Gihung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Manchi Nagaraju
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-aero, Gihung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Jae Su Yu
- Department of Electronics and Information Convergence Engineering, Kyung Hee University, 1732 Deogyeong-aero, Gihung-gu, Yongin-si, Gyeonggi-do 17104, Republic of Korea
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13
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Ma Q, Cui F, Zhang J, Cui T. Built-in electric field boosted ionic transport kinetics in the heterostructured ZnCo2O4/ZnO nanobelts for high-performance supercapacitor. J Colloid Interface Sci 2023; 629:649-659. [DOI: 10.1016/j.jcis.2022.09.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/25/2022] [Accepted: 09/02/2022] [Indexed: 10/14/2022]
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14
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Hu J, Peng Y, Albero J, García H. Role of Defects on the Particle Size-Capacitance Relationship of Zn-Co Mixed Metal Oxide Supported on Heteroatom-Doped Graphenes as Supercapacitors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204316. [PMID: 36257897 PMCID: PMC9731690 DOI: 10.1002/advs.202204316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/02/2022] [Indexed: 06/16/2023]
Abstract
Supercapacitors are considered among the most promising electrical energy storage devices, there being a need to achieve the highest possible energy storage density. Herein small mixed Zn-Co metal oxide nanoparticles are grown on doped graphene (O-, N- and, B-doped graphenes). The electrochemical properties of the resulting mixed Zn-Co metal oxide nanoparticles (4 nm) grown on B-doped graphene exhibit an outstanding specific capacitance of 2568 F g-1 at 2 A g-1 , ranking this B-doped graphene composite among the best performing electrodes. The energy storage capacity is also remarkable even at large current densities (i.e., 640 F g-1 at 40 A g-1 ). In contrast, larger nanoparticles are obtained using N- and O-doped graphenes as support, the resulting materials exhibiting lower performance. Besides energy storage, the Zn-Co oxide on B-doped graphene shows notable electrochemical performance and stability obtaining a maximum energy density of 77.6 W h Kg-1 at 850 W Kg-1 , a power density of 8500 W Kg-1 at 28.3 W h Kg-1 , and a capacitance retention higher than 85% after 5000 cycles. The smaller nanoparticle size and improved electrochemical performance on B-doped graphene-based devices are attributed to the higher defect density and nature of the dopant element on graphene.
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Affiliation(s)
- Jiajun Hu
- Instituto Universitario de Tecnología Química CSIC‐UPVUniversitat Politècnica de València‐Consejo Superior de Investigaciones CientíficasUniversitat Politècnica de ValènciaAvda. De los Narajos s/nValencia46022Spain
| | - Yong Peng
- Instituto Universitario de Tecnología Química CSIC‐UPVUniversitat Politècnica de València‐Consejo Superior de Investigaciones CientíficasUniversitat Politècnica de ValènciaAvda. De los Narajos s/nValencia46022Spain
| | - Josep Albero
- Instituto Universitario de Tecnología Química CSIC‐UPVUniversitat Politècnica de València‐Consejo Superior de Investigaciones CientíficasUniversitat Politècnica de ValènciaAvda. De los Narajos s/nValencia46022Spain
| | - Hermenegildo García
- Instituto Universitario de Tecnología Química CSIC‐UPVUniversitat Politècnica de València‐Consejo Superior de Investigaciones CientíficasUniversitat Politècnica de ValènciaAvda. De los Narajos s/nValencia46022Spain
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15
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Wu W, Zhao C, Liu H, Liu T, Wang L, Zhu J. Hierarchical architecture of two-dimensional Ti3C2 nanosheets@Metal-Organic framework derivatives as anode for hybrid li-ion capacitors. J Colloid Interface Sci 2022; 623:216-225. [DOI: 10.1016/j.jcis.2022.05.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/29/2022] [Accepted: 05/06/2022] [Indexed: 11/25/2022]
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16
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Shunmughananthan B, Dheivasigamani T, Sthevan Kovil Pitchai J, Periyasamy S. Performance comparison of distinct bismuth molybdate single phases for asymmetric supercapacitor applications. Dalton Trans 2022; 51:15579-15592. [PMID: 36169008 DOI: 10.1039/d2dt02092k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The enticing features of metal molybdates make them an attractive candidate for energy storage systems. This report describes the synthesis of three distinct single-phase bismuth molybdates (Bi2MoxOy; α-Bi2Mo3O12, β-Bi2Mo2O9, and γ-Bi2MoO6) using the gel matrix particle growth method and their application in high-performance asymmetric supercapacitors. The single phase and purity of the synthesized Bi2MoxOy particles were confirmed by X-ray diffraction (XRD) and further verified by Raman analysis. The UV-visible spectra show the electronic and optical behaviours of the as-synthesized α, β, and γ Bi2MoxOy. The morphologies of the as-synthesized three different Bi2MoxOy phases were analysed using scanning electron microscopy (SEM). The particle formation was further investigated by transmission electron microscopy (TEM), and the interplanar spacings of the Bi2MoxOy phases were in accordance with the planes. The surface area and pore volume of the prepared samples were analysed using Brunauer-Emmett-Teller (BET) analysis. The electrochemical properties of the products were confirmed by various tests, including cyclic voltammetry (CV), galvanostatic charge discharge (GCD), and electrochemical impedance spectroscopy (EIS) in 3 M KOH. Among the three phases, α-Bi2Mo3O12 exhibits a huge specific capacitance (Cs) of 714 F g-1 at a current density of 1 A g-1. Furthermore, it displays an admirable cycling stability of 86.55% after 5000 cycles. The chosen α-Bi2Mo3O12 electrode possesses an increased energy density of 47.5 W h kg-1 at 1 A g-1 with a capacitive retention rate of 71.90% at 5 A g-1 after 10 000 cycles. A remarkable electrochemical performance of Bi2Mo3O12 with an exceptional power density of 750 W kg-1 was observed for the prepared asymmetric device. Bismuth molybdate's notable performance indicates that it can be an active material for energy storage applications.
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Affiliation(s)
- Bagavathy Shunmughananthan
- Nano-crystal Design and Application Lab (n-DAL), Department of Physics, PSG Institute of Technology and Applied Research, Coimbatore-641062, Tamil Nadu, India.
| | - Thangaraju Dheivasigamani
- Nano-crystal Design and Application Lab (n-DAL), Department of Physics, PSG Institute of Technology and Applied Research, Coimbatore-641062, Tamil Nadu, India.
| | - Jesman Sthevan Kovil Pitchai
- Solid State Ionics Lab, PG & Research Department of Physics, Thanthai Periyar Government Arts and Science College (Autonomous), (Affiliated to Bharathidasan University), Tiruchirappalli-620023, Tamil Nadu, India
| | - Sivakumar Periyasamy
- Solid State Ionics Lab, PG & Research Department of Physics, Thanthai Periyar Government Arts and Science College (Autonomous), (Affiliated to Bharathidasan University), Tiruchirappalli-620023, Tamil Nadu, India
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17
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Wu ZX, Fan LQ, Chen JJ, Deng XG, Tang T, Huang YF, Wu JH. Two-step hydrothermal synthesis of a fireworks-like amorphous Co3S4 for asymmetric supercapacitors with superior cycling stability. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140777] [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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Wang Q, Zhong T, Wang Z. Plasma-Engineered N-CoO x Nanowire Array as a Bifunctional Electrode for Supercapacitor and Electrocatalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12172984. [PMID: 36080021 PMCID: PMC9457654 DOI: 10.3390/nano12172984] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 06/02/2023]
Abstract
Surface engineering has achieved great success in enhancing the electrochemical activity of Co3O4. However, the previously reported methods always involve high-temperature calcination processes which are prone to induce agglomeration of the nanostructure, leading to the attenuation of performance. In this work, Co3O4 nanowires were successfully modified by a low-temperature NH3/Ar plasma treatment, which simultaneously generated a porous structure and efficient nitrogen doping with no agglomeration. The modified N-CoOx electrode exhibited remarkable performance due to the synergistic effect of the porous structure and nitrogen doping, which provided additional active sites for faradic transitions and improved charge transfer characteristics. The electrode achieved excellent supercapacitive performance with a maximum specific capacitance of 2862 mF/cm2 and superior cycling retention. Furthermore, the assembled asymmetric supercapacitor (N-CoOx//AC) device exhibited an extended potential window of 1.5 V, a maximum specific energy of 80.5 Wh/kg, and a maximum specific power of 25.4 kW/kg with 91% capacity retention after 5000 charge-discharge cycles. Moreover, boosted hydrogen evolution reaction performance was also confirmed by the low overpotential (126 mV) and long-term stability. This work enlightens prospective research on the plasma-enhanced surface engineering strategies.
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19
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Ding J, Zhao D, Xia T, Xia Q, Li G, Qu Y. Hierarchical Co 3O 4@Ni 3S 2 electrode materials for energy storage and conversion. Dalton Trans 2022; 51:4704-4711. [PMID: 35224600 DOI: 10.1039/d1dt04083a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Transition metal oxides are considered to be one of the most potential electrode materials. However, poor conductivity and insufficient active sites limit their actual applications. Rationally designed electrode materials with unique structural features can be ascribed to the efficient route for enhancing electrochemical performance. Here, we report hybrid Co3O4@Ni3S2 nanostructures obtained via a hydrothermal strategy and subsequent electrodeposition process. The obtained products can be used as electrodes for a hybrid supercapacitor with a specific capacity of 1071 C g-1 at 1 A g-1 and excellent rate capability. The as-assembled device delivers an energy density of 77.92 W h kg-1 at 2880 W kg-1. As an electrocatalyst, the above electrode possesses an overpotential of 237.6 mV at 50 mA cm-2 for oxygen evolution reaction.
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Affiliation(s)
- Jiefei Ding
- School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, P. R. China.
| | - Depeng Zhao
- School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, P. R. China.
| | - Tong Xia
- School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, P. R. China.
| | - Qing Xia
- School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, P. R. China.
| | - Guanglong Li
- School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, P. R. China. .,Key Laboratory of Light Metal Materials and Engineering at Universities of Liaoning Province, Shenyang University of Technology, 110870, Shenyang, China
| | - Yingdong Qu
- School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, P. R. China. .,Key Laboratory of Light Metal Materials and Engineering at Universities of Liaoning Province, Shenyang University of Technology, 110870, Shenyang, China
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20
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Dhilip Kumar R, Nagarani S, Sethuraman V, Andra S, Dhinakaran V. Investigations of conducting polymers, carbon materials, oxide and sulfide materials for supercapacitor applications: a review. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02124-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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21
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Liu Y, Wang Y, Meng Y, Plamthottam R, Tjiu WW, Zhang C, Liu T. Ultrathin Polypyrrole Layers Boosting MoO 3 as Both Cathode and Anode Materials for a 2.0 V High-Voltage Aqueous Supercapacitor. ACS APPLIED MATERIALS & INTERFACES 2022; 14:4490-4499. [PMID: 35015957 DOI: 10.1021/acsami.1c20922] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
An aqueous supercapacitor is an emerging energy storage unit on account of its low cost, fast energy delivery rate, and long service life. The energy density of an aqueous supercapacitor can be enlarged via extending the voltage window of electrode materials, while the aqueous electrolyte remains thermodynamically constant at 1.23 V. Herein, an aqueous supercapacitor with a 2.0 V high-voltage window is realized by core-shell MoO3-x/polypyrrole (MP) nanocomposites as both cathode and anode materials. The ultrathin PPy layer on the MoO3 core not only improves the conductivity and cycle stability of the nanocomposites but also acts as a reductant, leading to the formation of oxygen vacancies in the MoO3 core. When used as a cathode material, the potential range of the as-obtained MP nanocomposite is up to 1.0 V. As an anode material, the stable potential range could reach -1.0 V. Due to the large potential range of the cathode and anode, the as-obtained 2.0 V aqueous supercapacitor shows a remarkably high delivery energy of 58.5 Wh kg-1. The synthesis of MP nanocomposites is simple and the electrode performance is significantly enhanced; thus, it is a suitable candidate for high-energy-density aqueous supercapacitors.
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Affiliation(s)
- Ying Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P. R. China
| | - Yufeng Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P. R. China
| | - Yuan Meng
- Department of Materials Science and Engineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, California 90095, United States
| | - Roshan Plamthottam
- Department of Materials Science and Engineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, California 90095, United States
| | - Weng Weei Tjiu
- Agency for Science, Technology and Research (A*STAR), Institute of Materials Research and Engineering, 2 Fusionopolis Way, 138634, Singapore
| | - Chao Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P. R. China
| | - Tianxi Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P. R. China
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
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22
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Li K, Zheng K, Zhang Z, Li K, Bian Z, Xiao Q, Zhao K, Li H, Cao H, Fang Z, Zhu Y. Three-dimensional graphene encapsulated hollow CoSe 2-SnSe 2nanoboxes for high performance asymmetric supercapacitors. NANOTECHNOLOGY 2022; 33:165602. [PMID: 34986468 DOI: 10.1088/1361-6528/ac487a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Construction of metal selenides with a large specific surface area and a hollow structure is one of the effective methods to improve the electrochemical performance of supercapacitors. However, the nano-material easily agglomerates due to the lack of support, resulting in the loss of electrochemical performance. Herein, we successfully design a three-dimensional graphene (3DG) encapsulation-protected hollow nanoboxes (CoSe2-SnSe2) composite aerogel (3DG/CoSe2-SnSe2) via a co-precipitation method coupled with self-assembly route, followed by a high temperature selenidation strategy. The obtained aerogel possesses porous 3DG conductive network, large specific surface area and plenty of reactive active sites. It could be used as a flexible and binder-free electrode after a facile mechanical compression process, which provided a high specific capacitance of 460 F g-1at 0.5 A g-1, good rate capability of 212.7 F g-1at 10 A g-1The capacitance retention rate is 80% at 2 A g-1after 5000 cycles due to the fast electron/ion transfer and electrolyte diffusion. With the as-prepared 3DG/CoSe2-SnSe2as positive electrodes and the AC (activated carbon) as negative electrodes, an asymmetric supercapacitor (3DG/CoSe2-SnSe2//AC) was fabricated, which delivered a high specific capacity of 38 F g-1at 1 A g-1and an energy density of 11.89 Wh kg-1at 749.9 W kg-1, as well as excellent cycle stability. This work provides a new method for preparing electrode material.
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Affiliation(s)
- Kainan Li
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
| | - Ke Zheng
- School of Materials Science and Engineering, Dongguan University of Technology, Dongguan 523808, People's Republic of China
| | - Zhifang Zhang
- Department of Physics, Fudan University, Shanghai 200433, People's Republic of China
| | - Kuan Li
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
| | - Ziyao Bian
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
| | - Qian Xiao
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
| | - Kuangjian Zhao
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
| | - Huiyu Li
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
| | - Haijing Cao
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
| | - Zebo Fang
- Department of Physics, Shaoxing University, Shaoxing 312000, People's Republic of China
| | - Yanyan Zhu
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 200090, People's Republic of China
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23
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Wang C, Du L, Xing X, Feng D, Tian Y, Li Z, Zhao X, Yang D. Radial ZnO nanorods decorating Co 3O 4 nanoparticles for highly selective and sensitive detection of the 3-hydroxy-2-butanone biomarker. NANOSCALE 2022; 14:482-491. [PMID: 34908094 DOI: 10.1039/d1nr06729j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Indirect monitoring of Listeria monocytogenes (LM) via a gas sensor that can detect the bacterial metabolite 3-hydroxy-2-butanone (3H-2B) is a newly emerged strategy. However, such sensors are required simultaneously endow with outstanding selectivity, high sensitivity, and ppb-level detection limit, which remains technologically challenging. Herein, we have developed highly selective and sensitive 3H-2B sensors that consist of zinc oxide nanorods decorated with cobaltosic oxide nanoparticles (ZnO NRs/Co3O4 NPs), which have been synthesized by combined optimized hydrothermal and annealing process. Specifically, the ZnO NRs/Co3O4 NPs exhibit ultrahigh sensitivity to 5 ppm 3H-2B (Ra/Rg = 550 at 260 °C). The sensor prototypes enable detection as low as 10 ppb 3H-2B, show excellent long-term stability, and present remarkable selectivity through interfering selectivity survey and principal component analysis (PCA). Such outstanding sensing performance is attributed to the modulated electron depletion layer by n-p heterojunctions and abundant gas diffusion pathways via the radial architecture, which was verified via electrochemical impedance spectroscopy test, Mott-Schottky measurement, and ultraviolet-visible absorption analysis. Our highly selective and sensitive ZnO NRs/Co3O4 NPs have the potential in the real-time detection of 3H-2B biomarker.
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Affiliation(s)
- Chen Wang
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Lingling Du
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Xiaxia Xing
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Dongliang Feng
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Yingying Tian
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Zhenxu Li
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Xinhua Zhao
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
| | - Dachi Yang
- Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Department of Electronics, College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300350, China.
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24
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Wang Z, Lu S, Xu W, Wang Z, Zuo H. Fabrication of an ultra-stable composite electrode material of La 2O 3/Co 3O 4/graphene on nickel foam for high-performance supercapacitors. NEW J CHEM 2022. [DOI: 10.1039/d2nj00089j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A three-dimensional lily-like structure was constructed by the novel combination of La2O3, Co3O4, and graphene on nickel foam (LCGN) through hydrothermal synthesis and thermal annealing.
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Affiliation(s)
- Zijing Wang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Shixiang Lu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Wenguo Xu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Ziwen Wang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Hao Zuo
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
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Liu S, Zhao Z, Jin L, Sun J, Jiao C, Wang Q. Nitrogen-Doped Carbon Networks with Consecutive Conductive Pathways from a Facile Competitive Carbonization-Etching Strategy for High-Performance Energy Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104375. [PMID: 34677902 DOI: 10.1002/smll.202104375] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 09/05/2021] [Indexed: 06/13/2023]
Abstract
Recently, new carbonization strategies for synthesizing structure-controlled and high-performance carbon electrode materials have attracted great attentions in the field of energy storage and conversion. Here a competitive carbonization-etching strategy to prepare nitrogen-doped carbon polyhedron@carbon nanosheet (NCP@CNS) hybrids derived from zeolitic imidazolate framework-8 is presented. Consecutive conductive networks are constructed in the NCP@CNS hybrids during a unique carbonization-etching pyrolysis, where a competition between the formation of NCPs and CNSs exists. When the NCP@CNS hybrids are employed as supercapacitor electrodes, their hierarchically porous NCPs serve as ion-buffering reservoirs for offering fast ion transport channels, and the CNSs within hybrids not only link the NCPs together to build electron transfer pathways but also restrict the volume fluctuation of electrodes during charging and discharging process. As a result, the as-fabricated NCP@CNS electrode displays excellent electrochemical performances including a superior specific capacitance of 320 F g-1 , a high energy density of 22.2 W h kg-1 (5.6 W h kg-1 for symmetric device), and a long cycle life with capacitance retention of ≈101.8% after 5000 cycles. This study opens an encouraging avenue toward the tailored synthesis of metal-organic frameworks (MOFs)-derived carbon electrodes for renewable energy storage applications and devices.
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Affiliation(s)
- Siliang Liu
- College of Light-Textile Engineering and Art, Anhui Agricultural University, Hefei, Anhui, 230036, China
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 201620, P. R. China
| | - Zhe Zhao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 201620, P. R. China
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Li Jin
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai, 201620, P. R. China
| | - Jing Sun
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, P. R. China
| | - Chenlu Jiao
- College of Light-Textile Engineering and Art, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Qin Wang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, P. R. China
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26
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Zhao SR, Yuan XY, Chen YX, Lu Y, Zhang M, Liu JK. Enhancing Corrosion Inhibition Performance of ZnO Solid Solution by Doping Variable-Valence Rare-Earth Element Cerium. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c04162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Si-Rui Zhao
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Xiao-Yu Yuan
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yi-Xiang Chen
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yi Lu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science and Engineering, Zigong, Sichuan 643000, P. R. China
| | - Min Zhang
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Jin-Ku Liu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science and Engineering, Zigong, Sichuan 643000, P. R. China
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27
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Chen H, Xiao S, Li YZ, Ma X, Huang Y, Wang Y, Chen JS, Feng ZS. ZnO/CoS heterostructured nanoflake arrays vertically grown on Ni foam for high-rate supercapacitors. Chem Commun (Camb) 2021; 57:10520-10523. [PMID: 34550119 DOI: 10.1039/d1cc02296b] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Self-supported materials have been widely used in high-power energy storage devices due to the unique construction offering fast charge transfer from the active material to the conducting substrate. However, the electron conduction in the active material presents limitations on the overall performance of the electrode. In this work, we have fabricated hierarchical ZnO nanoflake arrays vertically grown on a nickel foam substrate and wrapped tightly by wrinkled porous CoS nanofilms (ZnO NFAs/CoS NFs) via a hydrothermal process and subsequent electrodeposition. Such an optimized ZnO NFAs/CoS NFs electrode exhibits an excellent specific capacitance of 1416 F g-1 at a current density of 1 A g-1, and remarkable cycling stability with 85.3% retention of the initial capacitance at 10 A g-1 after 5000 cycles. Additionally, density functional theory (DFT) calculations have been performed to further investigate the mechanism, proving the facilitated electron transfer from CoS to ZnO, giving rise to the superior electrochemical performance.
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Affiliation(s)
- Haijun Chen
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Shuhao Xiao
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Yun-Ze Li
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Xudong Ma
- School of Materials Science and Engineering, State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou 510275, China
| | - Yan Huang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Yan Wang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Jun Song Chen
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Zhe-Sheng Feng
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China. .,Yangtze Delta Region Institute (HuZhou), University of Electronic Science and Technology of China, Huzhou 313001, China
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28
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P- N heterojunction NiO/ZnO electrode with high electrochemical performance for supercapacitor applications. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138976] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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29
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Abebe E, Ujihara M. Influence of Temperature on ZnO/Co 3O 4 Nanocomposites for High Energy Storage Supercapacitors. ACS OMEGA 2021; 6:23750-23763. [PMID: 34568655 PMCID: PMC8459362 DOI: 10.1021/acsomega.1c02059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
We developed a two-step chemical bath deposition method followed by calcination for the production of ZnO/Co3O4 nanocomposites. In aqueous reactions, ZnO nanotubes were first densely grown on Ni foam, and then flat nanosheets of Co3O4 developed and formed a porous film. The aspect ratio and conductivity of the Co3O4 nanosheets were improved by the existence of the ZnO nanotubes, while the bath deposition from a mixture of Zn/Co precursors (one-step method) resulted in a wrinkled plate of Zn/Co oxides. As a supercapacitor electrode, the ZnO/Co3O4 nanosheets formed by the two-step method exhibited a high capacitance, and after being calcined at 450 °C, these nanosheets attained the highest specific capacitance (940 F g-1) at a scan rate of 5 mV s-1 in the cyclic voltammetry analysis. This value was significantly higher than those of single-component electrodes, Co3O4 (785 F g-1) and ZnO (200 F g-1); therefore, the presence of a synergistic effect was suggested. From the charge/discharge curves, the specific capacitance of ZnO/Co3O4 calcined at 450 °C was calculated to be 740 F g-1 at a current density of 0.75 A g-1, and 85.7% of the initial capacitance was retained after 1000 cycles. A symmetrical configuration exhibited a good cycling stability (Coulombic efficiency of 99.6% over 1000 cycles) and satisfied both the energy density (36.6 Wh kg-1) and the power density (356 W kg-1). Thus, the ZnO/Co3O4 nanocomposite prepared by this simple two-step chemical bath deposition and subsequent calcination at 450 °C is a promising material for pseudocapacitors. Furthermore, this approach can be applied to other metal oxide nanocomposites with intricate structures to extend the design possibility of active materials for electrochemical devices.
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Chen C, Deng H, Wang C, Luo W, Huang D, Jin T. Petal-like CoMoO 4 Clusters Grown on Carbon Cloth as a Binder-Free Electrode for Supercapacitor Application. ACS OMEGA 2021; 6:19616-19622. [PMID: 34368548 PMCID: PMC8340424 DOI: 10.1021/acsomega.1c02166] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/13/2021] [Indexed: 06/13/2023]
Abstract
The development of supercapacitors with a high energy density and power density is of great importance for the promotion of energy storage technology. In this study, we designed and prepared petal-like CoMoO4 clusters combined with carbon cloth as an excellent self-standing and binder-free electrode for asymmetric supercapacitors. Due to the abundant electrochemical active sites, the promising electron conduction, and ion diffusion rate, the CoMoO4@carbon cloth (CoMoO4@CC) electrode exhibits an excellent electrochemical performance. The results show that the CoMoO4@CC material exhibits a high specific capacitance (664 F/g at a current density of 1 A/g) and an excellent cycle stability (capacitance remains at 84.0% after 1000 cycles). The assembled symmetrical supercapacitor has an energy density of 27 Wh/kg when the power density is 600 W/kg. Even at a higher power density (6022 W/kg), it still maintains a good energy density (18.4 Wh/kg).
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Affiliation(s)
- Chuanhong Chen
- School
of Chemistry, Biology, and Materials Science, East China University of Technology, Nanchang 330013, Jiangxi, China
| | - Hangchun Deng
- School
of Chemistry, Biology, and Materials Science, East China University of Technology, Nanchang 330013, Jiangxi, China
| | - Chongshi Wang
- College
of Engineering, Department of Civil, Architectural & Environmental
Engineering, Drexel University, 3141 Chestnut St., Philadelphia, Pennsylvania 19104, United States
| | - Wenqing Luo
- School
of Chemistry, Biology, and Materials Science, East China University of Technology, Nanchang 330013, Jiangxi, China
| | - Dejuan Huang
- School
of Chemistry, Biology, and Materials Science, East China University of Technology, Nanchang 330013, Jiangxi, China
| | - Tianxiang Jin
- School
of Chemistry, Biology, and Materials Science, East China University of Technology, Nanchang 330013, Jiangxi, China
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31
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Li Y, Zhang J, Chen Q, Xia X, Chen M. Emerging of Heterostructure Materials in Energy Storage: A Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100855. [PMID: 34033149 DOI: 10.1002/adma.202100855] [Citation(s) in RCA: 126] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/28/2021] [Indexed: 06/12/2023]
Abstract
With the ever-increasing adaption of large-scale energy storage systems and electric devices, the energy storage capability of batteries and supercapacitors has faced increased demand and challenges. The electrodes of these devices have experienced radical change with the introduction of nano-scale materials. As new generation materials, heterostructure materials have attracted increasing attention due to their unique interfaces, robust architectures, and synergistic effects, and thus, the ability to enhance the energy/power outputs as well as the lifespan of batteries. In this review, the recent progress in heterostructure from energy storage fields is summarized. Specifically, the fundamental natures of heterostructures, including charge redistribution, built-in electric field, and associated energy storage mechanisms, are summarized and discussed in detail. Furthermore, various synthesis routes for heterostructures in energy storage fields are roundly reviewed, and their advantages and drawbacks are analyzed. The superiorities and current achievements of heterostructure materials in lithium-ion batteries (LIBs), sodium-ion batteries (SIBs), lithium-sulfur batteries (Li-S batteries), supercapacitors, and other energy storage devices are discussed. Finally, the authors conclude with the current challenges and perspectives of the heterostructure materials for the fields of energy storage.
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Affiliation(s)
- Yu Li
- Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, 150080, P. R. China
| | - Jiawei Zhang
- Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, 150080, P. R. China
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Qingguo Chen
- Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, 150080, P. R. China
| | - Xinhui Xia
- Department of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Minghua Chen
- Key Laboratory of Engineering Dielectric and Applications (Ministry of Education), School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, 150080, P. R. China
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32
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Wang W, Li X, Zhang P, Wang B, Gong S, Wang X, Liu F, Cheng J. Preparation of NiCo2O4@CoS heterojunction composite as electrodes for high-performance supercapacitors. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115257] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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33
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Xu M, Sun M, Rehman SU, Ge K, Hu X, Ding H, Liu J, Bi H. One-pot synthesis of CoO–ZnO/rGO supported on Ni foam for high-performance hybrid supercapacitor with greatly enhanced cycling stability. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.12.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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34
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Zhang Y, Wang Y, Zhu J, Zhang X, Cai W. Regulating the core/shell electric structure of Co 3O 4@Ni-Co layered double hydroxide on Ni foam through electrodeposition for a quasi-solid-state supercapacitor. NANOTECHNOLOGY 2021; 32:345702. [PMID: 33503607 DOI: 10.1088/1361-6528/abe074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/27/2021] [Indexed: 06/12/2023]
Abstract
A flower-like structured electrode material of Co3O4@Ni-Co layered double hydroxide (LDH) grown on Ni foam (Co3O4@Ni-Co LDH/NF) was prepared via anin situgrowth, annealing and electrodeposition process. The Co3O4@Ni-Co LDH/NF electrode was prepared with the optimized conditions of annealing temperature 300 °C, deposition time 20 min and Ni/Co ratio 1:1. The results showed that the as-prepared electrode material exhibited an excellent specific capacitance and great cycling stability. Furthermore, an quasi-solid-state supercapacitor was assembled using the prepared Co3O4@Ni-Co LDH/NF as the positive electrode and activated carbon on Ni foam (AC/NF) as the negative electrode. The as-assembled device presented a high energy density and power density.
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Affiliation(s)
- Yuqiang Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, People's Republic of China
| | - Yan Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, People's Republic of China
| | - Jiahui Zhu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, People's Republic of China
| | - Xubin Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, People's Republic of China
| | - Wangfeng Cai
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, People's Republic of China
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35
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Tian H, Zhu K, Li W, Wang L, Yu Z, Lai Y, He Y. Facile synthesis of Ni-Co layered double hydroxide with nitrates as interlayer anions via an oxidation-induced anion intercalation process for hybrid supercapacitors. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138087] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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36
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Liu W, Zhang Z, Zhang Y, Zheng Y, Liu N, Su J, Gao Y. Interior and Exterior Decoration of Transition Metal Oxide Through Cu 0/Cu + Co-Doping Strategy for High-Performance Supercapacitor. NANO-MICRO LETTERS 2021; 13:61. [PMID: 34138273 PMCID: PMC8187495 DOI: 10.1007/s40820-021-00590-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/20/2020] [Indexed: 05/26/2023]
Abstract
Although CoO is a promising electrode material for supercapacitors due to its high theoretical capacitance, the practical applications still suffering from inferior electrochemical activity owing to its low electrical conductivity, poor structural stability and inefficient nanostructure. Herein, we report a novel Cu0/Cu+ co-doped CoO composite with adjustable metallic Cu0 and ion Cu+ via a facile strategy. Through interior (Cu+) and exterior (Cu0) decoration of CoO, the electrochemical performance of CoO electrode has been significantly improved due to both the beneficial flower-like nanostructure and the synergetic effect of Cu0/Cu+ co-doping, which results in a significantly enhanced specific capacitance (695 F g-1 at 1 A g-1) and high cyclic stability (93.4% retention over 10,000 cycles) than pristine CoO. Furthermore, this co-doping strategy is also applicable to other transition metal oxide (NiO) with enhanced electrochemical performance. In addition, an asymmetric hybrid supercapacitor was assembled using the Cu0/Cu+ co-doped CoO electrode and active carbon, which delivers a remarkable maximal energy density (35 Wh kg-1), exceptional power density (16 kW kg-1) and ultralong cycle life (91.5% retention over 10,000 cycles). Theoretical calculations further verify that the co-doping of Cu0/Cu+ can tune the electronic structure of CoO and improve the conductivity and electron transport. This study demonstrates a facile and favorable strategy to enhance the electrochemical performance of transition metal oxide electrode materials.
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Affiliation(s)
- Weifeng Liu
- Center for Nanoscale Characterization and Devices (CNCD), School of Physics and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, People's Republic of China
| | - Zhi Zhang
- Center for Nanoscale Characterization and Devices (CNCD), School of Physics and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, People's Republic of China.
| | - Yanan Zhang
- Center for Nanoscale Characterization and Devices (CNCD), School of Physics and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, People's Republic of China
| | - Yifan Zheng
- Center for Nanoscale Characterization and Devices (CNCD), School of Physics and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, People's Republic of China
| | - Nishuang Liu
- Center for Nanoscale Characterization and Devices (CNCD), School of Physics and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, People's Republic of China
| | - Jun Su
- Center for Nanoscale Characterization and Devices (CNCD), School of Physics and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, People's Republic of China
| | - Yihua Gao
- Center for Nanoscale Characterization and Devices (CNCD), School of Physics and Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan, 430074, People's Republic of China.
- College of Materials Science and Engineering, Guangxi Key Laboratory of Optical and Electronic Materials and Devices, Guilin University of Technology, Guilin, 541004, People's Republic of China.
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37
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Rabani I, Yoo J, Kim HS, Lam DV, Hussain S, Karuppasamy K, Seo YS. Highly dispersive Co 3O 4 nanoparticles incorporated into a cellulose nanofiber for a high-performance flexible supercapacitor. NANOSCALE 2021; 13:355-370. [PMID: 33346306 DOI: 10.1039/d0nr06982e] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Transition metal oxides used as electrode materials for flexible supercapacitors have attracted huge attention due to their high specific capacitance and surface-to-volume ratio, specifically for cobalt oxide (Co3O4) nanoparticles. However, the low intrinsic electronic conductivity and aggregation of Co3O4 nanoparticles restrict their electrochemical performance and prevent these electrode materials from being commercialized. Herein, a facile, advantageous, and cost effective sol-gel synthetic route for growing Co3O4 nanoparticles uniformly over a low cost and eco-friendly one-dimensional (1D) hydrophilic cellulose nanofiber (CNF) surface has been reported. This exhibits high conductivity, which enables the symmetric electrode to deliver a high specific capacitance of ∼214 F g-1 at 1 A g-1 with remarkable cycling behavior (∼94% even after 5000 cycles) compared to that of pristine CNF and Co3O4 electrodes in an aqueous electrolyte. Furthermore, the binder-free nature of 1D Co3O4@CNF (which was carbonized at 200 °C for about 20 min under a H2/Ar atmosphere) shows great potential as a hybrid flexible paper-like electrode and provides a high specific capacitance of 80 F g-1 at 1 A g-1 with a superior energy density of 10 W h kg-1 in the gel electrolyte. This study provides a novel pathway, using a hydrophilic 1D CNF, for realizing the full potential of Co3O4 nanoparticles as advanced electrode materials for next generation flexible electronic devices.
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Affiliation(s)
- Iqra Rabani
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05006, Republic of Korea.
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38
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Li P, Wang J, Li L, Song S, Yuan X, Jiao W, Hao Z, Li X. Design of a ZnMoO 4 porous nanosheet with oxygen vacancies as a better performance electrode material for supercapacitors. NEW J CHEM 2021. [DOI: 10.1039/d1nj01219c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A ZnMoO4 porous nanosheet with oxygen vacancies (ZnMoO4-OV) was synthesized which delivers a preferable energy storage performance.
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Affiliation(s)
- Pengxi Li
- Purification Equipment Research Institute of CSSC
- Handan
- China
- School of Chemistry and Chemical Engineering
- Southeast University
| | - Jiepeng Wang
- Purification Equipment Research Institute of CSSC
- Handan
- China
- School of Materials Science and Engineering
- Shanghai University
| | - Liming Li
- Purification Equipment Research Institute of CSSC
- Handan
- China
| | - Shili Song
- Purification Equipment Research Institute of CSSC
- Handan
- China
| | - Xianming Yuan
- Purification Equipment Research Institute of CSSC
- Handan
- China
| | - Wenqiang Jiao
- Purification Equipment Research Institute of CSSC
- Handan
- China
| | - Zhen Hao
- Purification Equipment Research Institute of CSSC
- Handan
- China
| | - Xiaoli Li
- School of Materials Science and Engineering
- Hebei University of Engineering
- Handan
- China
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39
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Malefane ME. Co 3O 4/Bi 4O 5I 2/Bi 5O 7I C-Scheme Heterojunction for Degradation of Organic Pollutants by Light-Emitting Diode Irradiation. ACS OMEGA 2020; 5:26829-26844. [PMID: 33111009 PMCID: PMC7581276 DOI: 10.1021/acsomega.0c03881] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 10/02/2020] [Indexed: 05/29/2023]
Abstract
Remediation of organic pollutant matrixes from wastewater by photodegradation using different heterojunctions is extensively studied to improve performance for potential application. Brilliant black (BB) and p-nitrophenol (PNP) have been detected in the environment and implicated as directly or indirectly carcinogenic to human health. This work analyzes their elimination from aqueous solutions under visible-light irradiation with composites of cobalt(II, III) oxide and bismuth oxyiodides (Co3O4/Bi4O5I2/Bi5O7I). The synthesized nanomaterial properties were investigated using various techniques such as BET, SEM/EDS, TEM, XRD, FTIR, PL, and UV-vis. All the nanocomposites absorbed in the visible range of the solar spectrum with band gaps between 1.68 and 2.79 eV, and the specific surface area of the CB2 composite increased by 35.8% from that of Bi4O5I2/Bi5O7I. There was an observed massive reduction in the rate of electron and hole recombination, and the band gaps of the composites decreased. The mineralization of PNP and BB was followed by determination of the total organic carbon with reductions of 93.6 and 83.7%, respectively. The main active species were the hydroxyl radicals, while the superoxide anion radical and generated holes were minor as confirmed by radical trapping experiments. The optimum pHs for degradation of PNP and BB were 9.6 and 5.3, respectively. The enhanced performance of the catalyst was due to C-scheme heterojunction formation that reduced the electron and hole recombination rate and was attributed to strong adsorption of the pollutants on the photocatalyst active surface. The nanocomposite is apposite for solar energy-driven remediation of organic pollutants from environmental aqueous samples.
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40
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Chang J, Zang S, Wang Y, Chen C, Wu D, Xu F, Jiang K, Bai Z, Gao Z. Co3O4@Ni3S4 heterostructure composite constructed by low dimensional components as efficient battery electrode for hybrid supercapacitor. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136501] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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41
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Le VQ, Le PA, Wu SC, Lai YH, Lin YG, Wei KH, Chu YH, Chueh YL. Transparent Flexible Heteroepitaxy of NiO Coated AZO Nanorods Arrays on Muscovites for Enhanced Energy Storage Application. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2000020. [PMID: 32419389 DOI: 10.1002/smll.202000020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 03/19/2020] [Accepted: 03/26/2020] [Indexed: 06/11/2023]
Abstract
Transparent flexible energy storage devices are considered as important chains in the next-generation, which are able to store and supply energy for electronic devices. Here, aluminum-doped zinc oxide (AZO) nanorods (NRs) and nickel oxide (NiO)-coated AZO NRs on muscovites are fabricated by a radio frequency (RF) magnetron sputtering deposition method. Interestingly, AZO NRs and AZO/NiO NRs are excellent electrodes for energy storage application with high optical transparency, high conductivity, large surface area, stability under compressive and tensile strain down to a bending radius of 5 mm with 1000 bending cycles. The obtained symmetric solid-state supercapacitors based on these electrodes exhibit good performance with a large areal specific capacitance of 3.4 mF cm-2 , long cycle life 1000 times, robust mechanical properties, and high chemical stability. Furthermore, an AZO/NiO//Zn battery based on these electrodes is demonstrated, yielding a discharge capacity of 195 mAh g-1 at a current rate of 8 A g-1 and a discharge capacity of over 1000 cycles with coulombic efficiency to 92%. These results deliver a concept of opening a new opportunity for future applications in transparent flexible energy storage.
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Affiliation(s)
- Van-Qui Le
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Phuoc-Anh Le
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Shu-Chi Wu
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
- Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Yu-Hong Lai
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Yan-Gu Lin
- National Synchrotron Radiation Research Center, Hsinchu, 30076, Taiwan
| | - Kung-Hwa Wei
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Ying-Hao Chu
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan
- Institute of Physics, Academia Sinica, Taipei, 105, Taiwan
- Center for Emergent Functional Matter Science, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Yu-Lun Chueh
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
- Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan
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42
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Hu X, Wei L, Chen R, Wu Q, Li J. Reviews and Prospectives of Co
3
O
4
‐Based Nanomaterials for Supercapacitor Application. ChemistrySelect 2020. [DOI: 10.1002/slct.201904485] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xinran Hu
- Department of ChemistryLishui University Lishui 323000 P R China
| | - Lishuang Wei
- Department of ChemistryLishui University Lishui 323000 P R China
| | - Rui Chen
- Department of ChemistryLishui University Lishui 323000 P R China
| | - Qingsheng Wu
- School of Chemical Science and EngineeringTongji University Shanghai 200092 P R China
| | - Jiangfeng Li
- Department of ChemistryLishui University Lishui 323000 P R China
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43
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Chen L, Ou D, Zhang G, Yan J, Liu J, Wang Z, Wang Y, Cui J, Zhang Q, Zhang Y, Hu X, Wu Y. Ni–Co coordination hollow spheres for high performance flexible all-solid-state supercapacitor. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.135828] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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44
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Yang X, Cai C, Zou Y, Xiang C, Chu H, Yan E, Qiu S, Sun L, Xu F, Hu X. Co3O4-doped two-dimensional carbon nanosheet as an electrode material for high-performance asymmetric supercapacitors. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.135611] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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45
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He L, Gong L, Gao M, Yang CW, Sheng GP. In situ formation of NiCoP@phosphate nanocages as an efficient bifunctional electrocatalyst for overall water splitting. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.135799] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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46
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Enhancing cycling stability of transition metal-based layered double hydroxides through a self-sacrificial strategy for hybrid supercapacitors. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135586] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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47
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Gao M, He L, Guo ZY, Yuan YR, Li WW. Sulfate-Functionalized Nickel Hydroxide Nanobelts for Sustained Oxygen Evolution. ACS APPLIED MATERIALS & INTERFACES 2020; 12:443-450. [PMID: 31814385 DOI: 10.1021/acsami.9b14216] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Nickel hydroxide (Ni(OH)2)-based electrocatalysts are promising for the oxygen evolution reaction (OER) due to their low cost, but their activity and durability still need substantial improvement to meet practical application. Here, we report a sulfate-functionalized Ni(OH)2 nanobelt (S-Ni(OH)2) electrocatalyst, which exhibited self-enhanced OER activity due to its self-renewed surface during anodic oxidation. The S-Ni(OH)2 was in situ grown on the nickel foam (NF) surface in potassium peroxydisulfate solution through one-step hydrothermal treatment. This material outperformed all the existing electrocatalysts in the intensity and duration of the OER activity enhancement. An overpotential drop of 70 mV is shown by the S-Ni(OH)2/NF electrode during 110 h reaction at a current density of 100 mA cm-2, and the overpotential remains as low as 358 mV at a current density of 200 mA cm-2. Such activity enhancement during OER is mainly ascribed to the formation of a highly active NiOOH/Ni(SO4)0.3(OH)1.4 composite on the S-Ni(OH)2 surface as a result of gradual sulfate release. Given the facile and environmentally benign fabrication process (without external addition of a Ni source and surfactant) and good electrochemical properties (high activity and long lifetime), the S-Ni(OH)2 holds great potential for practical OER application. The surface self-renewal strategy developed here might also be expanded to other electrocatalysts and electrochemical processes.
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Affiliation(s)
- Miao Gao
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry , University of Science & Technology of China , Hefei 230026 , China
| | - Lei He
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry , University of Science & Technology of China , Hefei 230026 , China
| | - Zhi-Yan Guo
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry , University of Science & Technology of China , Hefei 230026 , China
| | - Yan-Ru Yuan
- USTC-City U joint Advanced Research Center , Suzhou 215123 , China
- Nano Science & Technology Institute , University of Science & Technology of China , Suzhou 215123 , China
| | - Wen-Wei Li
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry , University of Science & Technology of China , Hefei 230026 , China
- USTC-City U joint Advanced Research Center , Suzhou 215123 , China
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48
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Zhai S, Jin K, Zhou M, Fan Z, Zhao H, Li X, Zhao Y, Ge F, Cai Z. A novel high performance flexible supercapacitor based on porous carbonized cotton/ZnO nanoparticle/CuS micro-sphere. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124025] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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49
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Sun L, Zhang Y, Si H, Shi Y, Sun C, Zhang Y. Porous Mo-C coverage on ZnO rods for enhanced supercapacitive performance. Dalton Trans 2020; 49:5134-5142. [PMID: 32227010 DOI: 10.1039/d0dt00704h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
ZnO is a promising electrode material with advantages such as high environmental benignity, low cost and easy synthesis. Like other non-carbon electrode materials, ZnO has low resistivity and is therefore often combined with carbon materials to obtain favorable electronic conductivity. Herein, ZnO rods were prepared and coated with a carbon layer (Mo-C) as a supercapacitive electrode material for supercapacitors. Particularly, the porosity of the carbon layer is increased by modification with MoO42- which serves as chelating agent during the carbonation of dopamine hydrochloride. Compared to dense carbon coating layers, the porous carbon coverage is more favorable for electrolyte accessibility, thereby simultaneously promoting electronic and ionic transmission to ZnO. With these favorable features, the resultant ZnO@Mo-C composite displayed outstanding capacitances (900 F g-1 at 1 A g-1) and high rate capability (650 F g-1 at 10 A g-1). In addition, an asymmetric supercapacitor device was constructed using ZnO@Mo-C and activated carbon as the positive and negative electrodes, respectively, which realized an enlarged voltage profile of 0-1.5 V, stable cyclability with a capacitance retention of 97% and acceptable power/energy densities. Moreover, the method to produce the ZnO@Mo-C rods is facile and environmentally friendly and can be readily extended to other carbon coated materials.
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Affiliation(s)
- Li Sun
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, PR China.
| | - Yuanxing Zhang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, PR China.
| | - Haochen Si
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, PR China.
| | - Yan Shi
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, PR China.
| | - Chao Sun
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, PR China.
| | - Yihe Zhang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, PR China.
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50
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Chebrolu VT, Balakrishnan B, Cho I, Bak JS, Kim HJ. A unique core-shell structured ZnO/NiO heterojunction to improve the performance of supercapacitors produced using a chemical bath deposition approach. Dalton Trans 2020; 49:14432-14444. [PMID: 33044469 DOI: 10.1039/d0dt00263a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The integration of metal oxide composite nanostructures has attracted great attention in supercapacitor (SC) applications. Herein, we fabricated a series of metal oxide composite nanostructures, including ZnO nanowires, NiO nanosheets, ZnO/CuO nanowire arrays, ZnO/FeO nanocrystals, ZnO/NiO nanosheets and ZnO/PbO nanotubes, via a simple and cost-effective chemical bath deposition (CBD) method. The electrochemical properties of the produced SCs were examined by performing cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) analysis, and electrochemical impedance spectroscopy (EIS). Of the different metal oxides and metal oxide composites tested, the unique surface morphology of the ZnO/NiO nanosheets most effectively increased the electron transfer rate and electrical conductivity, which resulted in improved energy storage properties. The binder-free ZnO/NiO electrode delivered a high specific capacitance/capacity of 1248 F g-1 (599 mA h g-1) at 8 mA cm-2 and long-term cycling stability over the course of 3000 cycles with a capacity retention of 79%. These results suggested a superiority in performance of the ZnO/NiO nanosheets relative to the nanowires, nanowire arrays, nanocrystals, and nanotubes. Thus, the present work has provided an opportunity to fabricate new metal oxide composite nanostructures with high-performance energy storage devices.
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Affiliation(s)
- Venkata Thulasivarma Chebrolu
- Department of Electrical Engineering, Pusan National University, Gumjeong-Ku, Jangjeong-Dong, Busan 46241, Republic of Korea.
| | - Balamuralitharan Balakrishnan
- Department of Electronics and Communication Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai - 600062, Tamil Nadu, India
| | - Inho Cho
- Department of Electrical Engineering, Pusan National University, Gumjeong-Ku, Jangjeong-Dong, Busan 46241, Republic of Korea.
| | - Jin-Soo Bak
- Department of Electrical Engineering, Pusan National University, Gumjeong-Ku, Jangjeong-Dong, Busan 46241, Republic of Korea.
| | - Hee-Je Kim
- Department of Electrical Engineering, Pusan National University, Gumjeong-Ku, Jangjeong-Dong, Busan 46241, Republic of Korea.
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