1
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Wei T, Zhang N, Ji Y, Zhang J, Zhu Y, Yi T. Nanosized zinc oxides-based materials for electrochemical energy storage and conversion: Batteries and supercapacitors. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.06.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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2
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Kongsawatvoragul K, Chomkhuntod P, Sawangphruk M. Solar-driven energy storage enhancement of nickel hydroxide nanomaterials. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138654] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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3
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One-step electrodeposition synthesis of high performance carbon nanotubes/graphene-doped Ni(OH)2 thin film electrode for high-performance supercapacitor. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134747] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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4
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Zhu Y, An S, Cui J, Qiu H, Sun X, Zhang Y, He W. Improving the specific capacity of nickel hydroxide nanocrystalsviayttrium doping for application in hybrid supercapacitors. CrystEngComm 2019. [DOI: 10.1039/c9ce00625g] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Herein, Y-doped Ni(OH)2composites were successfully fabricatedviaa simple hydrothermal process.
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Affiliation(s)
- Yuanyi Zhu
- School of Chemistry and Chemical Engineering
- Inner Mongolia University of Science & Technology
- Baotou 014010
- P. R. China
| | - Shengli An
- School of Materials and Metallurgy
- Inner Mongolia University of Science & Technology
- Baotou 014010
- P. R. China
| | - Jinlong Cui
- School of Chemistry and Chemical Engineering
- Inner Mongolia University of Science & Technology
- Baotou 014010
- P. R. China
| | - Hengrui Qiu
- School of Chemistry and Chemical Engineering
- Inner Mongolia University of Science & Technology
- Baotou 014010
- P. R. China
| | - Xuejiao Sun
- School of Chemistry and Chemical Engineering
- Inner Mongolia University of Science & Technology
- Baotou 014010
- P. R. China
| | - Yongqiang Zhang
- School of Chemistry and Chemical Engineering
- Inner Mongolia University of Science & Technology
- Baotou 014010
- P. R. China
| | - Wenxiu He
- School of Chemistry and Chemical Engineering
- Inner Mongolia University of Science & Technology
- Baotou 014010
- P. R. China
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5
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Chen C, Zhou JJ, Li YL, Li Q, Chen HM, Tao K, Han L. NiCo2S4@Ni3S2 hybrid nanoarray on Ni foam for high-performance supercapacitors. NEW J CHEM 2019. [DOI: 10.1039/c9nj01384a] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Integrated hybrid nanoarrays with hierarchical porous structures have attracted much attention as energy materials for their excellent synergistic effects.
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Affiliation(s)
- Chen Chen
- School of Materials Science & Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Jiao-Jiao Zhou
- School of Materials Science & Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Yan-Li Li
- School of Materials Science & Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Qin Li
- School of Materials Science & Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Hong-Mei Chen
- School of Materials Science & Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Kai Tao
- School of Materials Science & Chemical Engineering
- Ningbo University
- Ningbo
- China
| | - Lei Han
- School of Materials Science & Chemical Engineering
- Ningbo University
- Ningbo
- China
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province
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6
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ZnO/carbon hybrids derived from polymer nanocomposite precursor materials for pseudocapacitor electrodes with high cycling stability. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.01.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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7
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Ouyang Y, Xia X, Ye H, Wang L, Jiao X, Lei W, Hao Q. Three-Dimensional Hierarchical Structure ZnO@C@NiO on Carbon Cloth for Asymmetric Supercapacitor with Enhanced Cycle Stability. ACS APPLIED MATERIALS & INTERFACES 2018; 10:3549-3561. [PMID: 29297668 DOI: 10.1021/acsami.7b16021] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
In this work, we synthesized the hierarchical ZnO@C@NiO core-shell nanorods arrays (CSNAs) grown on a carbon cloth (CC) conductive substrate by a three-step method involving hydrothermal and chemical bath methods. The morphology and chemical structure of the hybrid nanoarrays were characterized in detail. The combination and formation mechanism was proposed. The conducting carbon layer between ZnO and NiO layers can efficiently enhance the electric conductivity of the integrated electrodes, and also protect the corrosion of ZnO in an alkaline solution. Compared with ZnO@NiO nanorods arrays (NAs), the NiO in CC/ZnO@C@NiO electrodes, which possess a unique multilevel core-shell nanostructure exhibits a higher specific capacity (677 C/g at 1.43 A/g) and an enhanced cycling stability (capacity remain 71% after 5000 cycles), on account of the protection of carbon layer derived from glucose. Additionally, a flexible all-solid-state supercapacitor is readily constructed by coating the PVA/KOH gel electrolyte between the ZnO@C@NiO CSNAs and commercial graphene. The energy density of this all-solid-state device decreases from 35.7 to 16.0 Wh/kg as the power density increases from 380.9 to 2704.2 W/kg with an excellent cycling stability (87.5% of the initial capacitance after 10000 cycles). Thereby, the CC/ ZnO@C@NiO CSNAs of three-dimensional hierarchical structure is promising electrode materials for flexible all-solid-state supercapacitors.
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Affiliation(s)
- Yu Ouyang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology , 210094 Nanjing, China
| | - Xifeng Xia
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology , 210094 Nanjing, China
| | - Haitao Ye
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology , 210094 Nanjing, China
| | - Liang Wang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology , 210094 Nanjing, China
| | - Xinyan Jiao
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology , 210094 Nanjing, China
| | - Wu Lei
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology , 210094 Nanjing, China
| | - Qingli Hao
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology , 210094 Nanjing, China
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8
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Hao J, Wang X, Liu F, Han S, Lian J, Jiang Q. Facile Synthesis ZnS/ZnO/Ni(OH) 2 Composites Grown on Ni Foam: A Bifunctional Materials for Photocatalysts and Supercapacitors. Sci Rep 2017; 7:3021. [PMID: 28596559 PMCID: PMC5465224 DOI: 10.1038/s41598-017-03200-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 04/26/2017] [Indexed: 11/12/2022] Open
Abstract
A facile one-step hydrothermal reaction was employed to synthesis an integrated bifunctional composite composed by a network structure of ZnS/ZnO/Ni(OH)2 nanosheets with ZnS/ZnO nanospheres in situ growing on Ni foam. The synergistic effect of these three substances make the composite having both improved electrochemical performances and photocatalytic activity. The ZnS/ZnO/Ni(OH)2-4mmol shows a high specific capacitance of 1173.8 F g−1 at 1 A g−1, as well as good rate capability and relatively stable cyclability. Using as photocatalyst, the methyl orange dye in solution can be completely decomposed under ultraviolet-visible radiation in about 80 min. And the composite is easy to be repeatedly used because bulk Ni foam was used as a carrier. Such a bifunctional composite material provides a new insight for energy storage and utilization as well as the water pollution treatment.
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Affiliation(s)
- Jin Hao
- Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, Changchun, 130022, P.R. China
| | - Xiaobing Wang
- Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, Changchun, 130022, P.R. China
| | - Fanggang Liu
- Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, Changchun, 130022, P.R. China
| | - Shuang Han
- Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, Changchun, 130022, P.R. China.
| | - Jianshe Lian
- Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, Changchun, 130022, P.R. China.
| | - Qing Jiang
- Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, Changchun, 130022, P.R. China
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9
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Ke Q, Guan C, Zhang X, Zheng M, Zhang YW, Cai Y, Zhang H, Wang J. Surface-Charge-Mediated Formation of H-TiO 2 @Ni(OH) 2 Heterostructures for High-Performance Supercapacitors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1604164. [PMID: 27885732 DOI: 10.1002/adma.201604164] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 09/19/2016] [Indexed: 05/24/2023]
Abstract
An electrochemically favorable Ni(OH)2 with porously hierarchical structure and ultrathin nanosheets in a core-shell structure H-TiO2 @Ni(OH)2 is achieved through modulating the surface chemical activity of TiO2 by hydrogenation, which creates a defect-rich surface of TiO2 , thereby facilitating the subsequent nucleation and growth of Ni(OH)2 . These configuration-tailored H-TiO2 @Ni(OH)2 core-shell nanowires exhibit a superior electrochemical performance and good flexibility.
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Affiliation(s)
- Qingqing Ke
- Institute of Materials Research and Engineering, A*STAR, 138634, Singapore
- Department of Materials Science and Engineering, National University of Singapore, 117574, Singapore
| | - Cao Guan
- Department of Materials Science and Engineering, National University of Singapore, 117574, Singapore
| | - Xiao Zhang
- Center for Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Minrui Zheng
- Department of Electrical and Computer Engineering, National University of Singapore, 2 Engineering Drive 3, 117581, Singapore
| | - Yong-Wei Zhang
- Institute of High Performance Computing, A*STAR, 138732, Singapore
| | - Yongqing Cai
- Institute of High Performance Computing, A*STAR, 138732, Singapore
| | - Hua Zhang
- Center for Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - John Wang
- Department of Materials Science and Engineering, National University of Singapore, 117574, Singapore
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10
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High carrier concentration ZnO nanowire arrays for binder-free conductive support of supercapacitors electrodes by Al doping. J Colloid Interface Sci 2016; 484:155-161. [DOI: 10.1016/j.jcis.2016.08.070] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 08/19/2016] [Accepted: 08/27/2016] [Indexed: 11/24/2022]
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11
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Outstanding supercapacitive properties of Mn-doped TiO2 micro/nanostructure porous film prepared by anodization method. Sci Rep 2016; 6:22634. [PMID: 26940546 PMCID: PMC4778052 DOI: 10.1038/srep22634] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 02/18/2016] [Indexed: 11/24/2022] Open
Abstract
Mn-doped TiO2 micro/nanostructure porous film was prepared by anodizing a Ti-Mn alloy. The film annealed at 300 °C yields the highest areal capacitance of 1451.3 mF/cm2 at a current density of 3 mA/cm2 when used as a high-performance supercapacitor electrode. Areal capacitance retention is 63.7% when the current density increases from 3 to 20 mA/cm2, and the capacitance retention is 88.1% after 5,000 cycles. The superior areal capacitance of the porous film is derived from the brush-like metal substrate, which could greatly increase the contact area, improve the charge transport ability at the oxide layer/metal substrate interface, and thereby significantly enhance the electrochemical activities toward high performance energy storage. Additionally, the effects of manganese content and specific surface area of the porous film on the supercapacitive performance were also investigated in this work.
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12
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Cao Y, An L, Liao L, Liu X, Ji T, Zou R, Yang J, Qin Z, Hu J. Hierarchical core/shell structures of ZnO nanorod@CoMoO4 nanoplates used as a high-performance electrode for supercapacitors. RSC Adv 2016. [DOI: 10.1039/c5ra21953a] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
ZnO@CoMoO4 core/shell structures as an electrode for supercapacitors exhibited a high specific capacitance of 1.52 F cm−2 (1169 F g−1) at 2 mA cm−2 and a good cycling stability of 109% of the initial specific capacitance after 5000 cycles.
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Affiliation(s)
- Yunjiu Cao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Lei An
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Lijun Liao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Xijian Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Tao Ji
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Rujia Zou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Jianmao Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Zongyi Qin
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Junqing Hu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
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13
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Gopi CVM, Venkata-Haritha M, Kim SK, Prabakar K, Kim HJ. Flower-like ZnO@MnCo2O4 nanosheet structures on nickel foam as novel electrode material for high-performance supercapacitors. RSC Adv 2016. [DOI: 10.1039/c6ra22196c] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The flower-like ZnO@MnCo2O4 nanosheet electrode exhibited high specific capacitance than dandelion-like MnCo2O4.
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Affiliation(s)
| | | | | | - Kandasamy Prabakar
- School of Electrical Engineering
- Pusan National University
- Busan
- South Korea
| | - Hee-Je Kim
- School of Electrical Engineering
- Pusan National University
- Busan
- South Korea
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14
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Tang C, Pu Z, Liu Q, Asiri AM, Sun X, Luo Y, He Y. In Situ Growth of NiSe Nanowire Film on Nickel Foam as an Electrode for High-Performance Supercapacitors. ChemElectroChem 2015. [DOI: 10.1002/celc.201500285] [Citation(s) in RCA: 137] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chun Tang
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province; College of Chemistry and Chemical Engineering; China West Normal University; Nanchong 637002 Sichuan China
| | - Zonghua Pu
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province; College of Chemistry and Chemical Engineering; China West Normal University; Nanchong 637002 Sichuan China
| | - Qian Liu
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province; College of Chemistry and Chemical Engineering; China West Normal University; Nanchong 637002 Sichuan China
| | - Abdullah M. Asiri
- Chemistry Department & Center of Excellence for Advanced Materials Research; King Abdulaziz University; Jeddah 21589 Saudi Arabia
| | - Xuping Sun
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province; College of Chemistry and Chemical Engineering; China West Normal University; Nanchong 637002 Sichuan China
| | - Yonglan Luo
- Chemical Synthesis and Pollution Control, Key Laboratory of Sichuan Province; College of Chemistry and Chemical Engineering; China West Normal University; Nanchong 637002 Sichuan China
| | - Yuquan He
- Department of Cardiology; China-Japan Union Hospital of Jilin University; Changchun 130033 China
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15
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Surface design and engineering of hierarchical hybrid nanostructures for asymmetric supercapacitors with improved electrochemical performance. J Colloid Interface Sci 2015; 447:282-301. [DOI: 10.1016/j.jcis.2014.12.080] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2014] [Accepted: 12/23/2014] [Indexed: 11/18/2022]
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16
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Zheng X, Yan X, Sun Y, Bai Z, Zhang G, Shen Y, Liang Q, Zhang Y. Au-embedded ZnO/NiO hybrid with excellent electrochemical performance as advanced electrode materials for supercapacitor. ACS APPLIED MATERIALS & INTERFACES 2015; 7:2480-2485. [PMID: 25584699 DOI: 10.1021/am5073468] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Here we design a nanostructure by embedding Au nanoparticles into ZnO/NiO core-shell composites as supercapacitors electrodes materials. This optimized hybrid electrodes exhibited an excellent electrochemical performance including a long-term cycling stability and a maximum specific areal capacitance of 4.1 F/cm(2) at a current density of 5 mA/cm(2), which is much higher than that of ZnO/NiO hierarchical materials (0.5 F/cm(2)). Such an enhanced property is attributed to the increased electro-electrolyte interfaces, short electron diffusion pathways and good electrical conductivity. Apart from this, electrons can be temporarily trapped and accumulated at the Fermi level (EF') because of the localized schottky barrier at Au/NiO interface in charge process until fill the gap between ZnO and NiO, so that additional electrons can be released during discharge. These results demonstrate that suitable interface engineering may open up new opportunities in the development of high-performance supercapacitors.
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Affiliation(s)
- Xin Zheng
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing , Beijing 100083, People's Republic of China
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17
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18
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Cheng H, Duong HM. Three dimensional carbon nanotube/nickel hydroxide gels for advanced supercapacitors. RSC Adv 2015. [DOI: 10.1039/c5ra01847a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
CNT gel composite presenting different structures have been developed with excellent electrochemical performance for supercapacitor applications.
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Affiliation(s)
- Hanlin Cheng
- Department of Mechanical Engineering
- National University of Singapore
- 117575 Singapore
| | - Hai M. Duong
- Department of Mechanical Engineering
- National University of Singapore
- 117575 Singapore
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19
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Jiang G, Zhang M, Li X, Gao H. NiMoO4@Ni(OH)2 core/shell nanorods supported on Ni foam for high-performance supercapacitors. RSC Adv 2015. [DOI: 10.1039/c5ra11960j] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The NiMoO4 nanorods were used as the backbone to support and provide reliable electrical connection to the Ni(OH)2 nanosheets for supercapacitor applications.
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Affiliation(s)
- Ge Jiang
- Key Laboratory for Photonic and Electronic Bandgap Materials
- Ministry of Education
- School of Physics and Electronic Engineering
- Harbin Normal University
- Harbin 150025
| | - Mingyi Zhang
- Key Laboratory for Photonic and Electronic Bandgap Materials
- Ministry of Education
- School of Physics and Electronic Engineering
- Harbin Normal University
- Harbin 150025
| | - Xueqing Li
- Key Laboratory for Photonic and Electronic Bandgap Materials
- Ministry of Education
- School of Physics and Electronic Engineering
- Harbin Normal University
- Harbin 150025
| | - Hong Gao
- Key Laboratory for Photonic and Electronic Bandgap Materials
- Ministry of Education
- School of Physics and Electronic Engineering
- Harbin Normal University
- Harbin 150025
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20
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Fang L, Zhang B, Li W, Zhang J, Huang K, Zhang Q. Fabrication of highly dispersed ZnO nanoparticles embedded in graphene nanosheets for high performance supercapacitors. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.10.065] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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21
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Cai D, Huang H, Wang D, Liu B, Wang L, Liu Y, Li Q, Wang T. High-performance supercapacitor electrode based on the unique ZnO@Co₃O4₄ core/shell heterostructures on nickel foam. ACS APPLIED MATERIALS & INTERFACES 2014; 6:15905-15912. [PMID: 25153820 DOI: 10.1021/am5035494] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Currently, tremendous attention has been paid to the rational design and synthesis of unique core/shell heterostructures for high-performance supercapacitors. In this work, the unique ZnO@Co3O4 core/shell heterostructures on nickel foam are successfully synthesized through a facile and cost-effective hydrothermal method combined with a short post annealing treatment. Mesoporous Co3O4 nanowires are multidirectional growing on the rhombus-like ZnO nanorods. In addition, the growth mechanism for such unique core/shell heterostructures is also proposed. Supercapacitor electrodes based on the ZnO@Co3O4 and Co3O4 heterostructures on nickel foam are thoroughly characterized. The ZnO@Co3O4 electrode exhibits high capacitance of 1.72 F cm(-2) (857.7 F g(-1)) at a current density of 1 A g(-1), which is higher than that of the Co3O4 electrode. Impressively, the capacitance of the ZnO@Co3O4 electrode increases gradually from 1.29 to 1.66 F cm(-2) (830.8 F g(-1)) after 6000 cycles at a high current density of 6 A g(-1), indicating good long-term cycling stability. These results indicate the unique ZnO@Co3O4 electrode would be a promising electrode for high-performance supercapacitor applications.
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Affiliation(s)
- Daoping Cai
- Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University , Xiamen 361000, People's Republic of China
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22
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SainanYang, Cheng K, Huang J, Ye K, Xu Y, Cao D, Wang XZG. High-capacitance MnO2 nanoflakes on preformed C/TiO2 shell/core nanowire arrays for electrochemical energy storage. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.12.088] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Cheng JP, Zhang J, Liu F. Recent development of metal hydroxides as electrode material of electrochemical capacitors. RSC Adv 2014. [DOI: 10.1039/c4ra06738j] [Citation(s) in RCA: 130] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Recent research on electrochemical capacitors using transition metal hydroxides as electrode materials is reviewed.
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Affiliation(s)
- J. P. Cheng
- Department of Materials Science and Engineering
- State Key Laboratory of Silicon Materials
- Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province
- Zhejiang University
- Hangzhou 310027, P.R. China
| | - J. Zhang
- Department of Materials Science and Engineering
- State Key Laboratory of Silicon Materials
- Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province
- Zhejiang University
- Hangzhou 310027, P.R. China
| | - F. Liu
- Department of Materials Science and Engineering
- State Key Laboratory of Silicon Materials
- Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province
- Zhejiang University
- Hangzhou 310027, P.R. China
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