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Ding P, Li M, Chen W, Kimura H, Xie X, Hou C, Sun X, Yang X, Jiang H, Du W, Zhang Y. Plasma-assisted synthesis of ultra-fine NiCo 2O 4/NiCo-layered double hydroxides nanoparticles-decorated electrospun carbon nanofibers with enhanced electrochemical performance. J Colloid Interface Sci 2024; 676:826-836. [PMID: 39067218 DOI: 10.1016/j.jcis.2024.07.174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/09/2024] [Accepted: 07/20/2024] [Indexed: 07/30/2024]
Abstract
Nickel cobaltate/NiCo-layered double hydroxides (NiCo2O4/NiCo-LDH) as energy storage materials offer considerable potential for various applications. However, many of current methods for synthesizing NiCo2O4/NiCo-LDH suffer from long synthesis times, complex preparation process, and high temperatures and high pressures. In this study, we present a green, simple, and efficient approach known as assisted liquid-phase plasma electrolysis, which realizes the rapid fabrication of ultra-fine NiCo2O4/NiCo-LDH nanoparticle-decorated electrospun carbon nanofibers (NiCo2O4/NiCo-LDH/CNFs) composites. Ultra-fine NiCo2O4/NiCo-LDH nanoparticles (<70 nm) are uniformly deposited on the CNF surface. The CNFs are intertwined to form a highly conductive three-dimensional mesh structure, which synergizes the NiCo2O4/NiCo-LDH nanoparticles with a high specific capacitance in favor of ion/electron transport efficiency. In addition, the cooperative effect between the two phases of NiCo2O4 and NiCo-LDH further improves the electrochemical properties. The NiCo2O4/NiCo-LDH/CNFs composites exhibit a high specific capacitance of 1534.7 F/g at 1 A/g and a capacitance retention of 93.9 % after 5000 cycles. An assembled asymmetric supercapacitor using activated carbon and NiCo2O4/NiCo-LDH/CNFs composites achieves an energy density of 33.8 Wh/kg at a power density of 400 W/kg and a capacitance retention of 93.0 % after 5000 cycles. Notably, two series-connected NiCo2O4/NiCo-LDH/CNFs ASC supercapacitors can light up an LED bulb, which maintains a certain brightness even after 50 min. Hence, this work provides a new and efficient route for synthesizing carbon-based NiCo2O4/NiCo-LDH composites for use as advanced energy storage materials.
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Affiliation(s)
- Peng Ding
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China
| | - Maoyuan Li
- Beijing System Design Institute of Electro-Mechanic Engineering, Beijing 100854, China
| | - Weiwei Chen
- Department of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Hideo Kimura
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China
| | - Xiubo Xie
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China
| | - Chuanxin Hou
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China
| | - Xueqin Sun
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China
| | - XiaoYang Yang
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China
| | - Huiyu Jiang
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China
| | - Wei Du
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China; Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta, Shandong University of Aeronautics, Binzhou 256603, Shandong, China.
| | - Yuping Zhang
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, Shandong, China.
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Tong H, Li L, Wu C, Tao Z, Fang J, Guan C, Zhang X. Sea Urchin-Like NiCo-LDH Hollow Spheres Anchored on 3D Graphene Aerogel for High-Performance Supercapacitors. CHEMSUSCHEM 2024:e202400142. [PMID: 38888714 DOI: 10.1002/cssc.202400142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/30/2024] [Indexed: 06/20/2024]
Abstract
To enhance the inherent poor conductivity and low cycling stability of dimetallic layered double hydroxides (LDHs) materials, designing a synergistic effect between EDLC capacitors and pseudocapacitors is an efficient strategy. In this paper, we utilized a solvothermal technique employing Co-glycerate as a precursor to prepare sea urchin-like NiCo-LDH hollow spheres anchored on a 3D graphene aerogel. The unique morphology of these hollow microspheres significantly expand the specific surface area and exposes more active sites, while reducing the volume changes of materials during long-term charging and discharging processes. The 3D graphene aerogel serves as a conductive skeleton, improving the material's electrical conductivity and buffering high current. The sea urchin-like NiCo-LDH hollow spheres anchored on 3D graphene aerogel (H-NiCo-LDH@GA) has a specific surface area of 51 m2 g-1 and the ID/IG value is 1.02. The H-NiCo-LDH@GA demonstrate a significant specific capacitance of 236.8 mAh g-1 at 1 A g-1, with a remarkable capacity retention rate of 63.1 % even at 20 A g-1. Even after 8000 cycles at 10 A g-1, the capacity retention still remains at 96.3 %, presenting excellent cycling stability.
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Affiliation(s)
- Hao Tong
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Lei Li
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Cunqi Wu
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Zheng Tao
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Jiahao Fang
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Chunyan Guan
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Xiaogang Zhang
- Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
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3
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Wang X, Song X, Gao J, Zhang Y, Pan K, Wang H, Guo L, Li P, Huang C, Yang S. Effect of synthesis temperature on the structural morphology of a metal-organic framework and the capacitor performance of derived cobalt-nickel layered double hydroxides. J Colloid Interface Sci 2024; 664:946-959. [PMID: 38508030 DOI: 10.1016/j.jcis.2024.03.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/22/2024]
Abstract
Three-dimensional interconnected nickel-cobalt layered double hydroxides (NiCo-LDHs) were prepared on nickel foam by ion exchange using a cobalt-based metal-organic framework (Co-MOF) as a template at different temperatures. The effects of the Co-MOF preparation temperature on the growth, mass, morphology, and electrochemical properties of the Co-MOF and derived NiCo-LDH samples were studied. The synthesis temperature from 30 to 50 °C gradually increased the mass of the active material and the thickness of the Co-MOF sheets grown on the nickel foam. The higher the temperature is, the larger the proportion of Co3+. β-Cobalt hydroxide (β-Co(OH)2) sheets were generated above 60 °C. The morphology and mass loading pattern of the derived flocculent layer clusters of NiCo-LDH were inherited from metal-organic frameworks (MOFs). The areal capacitance of NiCo-LDH shows an inverted U-shaped curve trend with increasing temperature. The electrode material synthesized at 50 °C had a tremendous specific capacitance of 7631 mF·cm-2 at a current density of 2 mA·cm-2. The asymmetric supercapacitor assembled with the sample and active carbon (AC) achieved an energy density of 55.0 Wh·kg-1 at a power density of 800.0 W·kg-1, demonstrating the great potential of the NiCo-LDH material for energy storage. This work presents a new strategy for designing and fabricating advanced green supercapacitor materials with large power and energy densities.
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Affiliation(s)
- Xiaoliang Wang
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China.
| | - Xiaoqi Song
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China
| | - Jingsong Gao
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China
| | - Yibo Zhang
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China
| | - Kui Pan
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China
| | - Hongwei Wang
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China
| | - Lige Guo
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China
| | - Panpan Li
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China
| | - Chuanhui Huang
- School of Mechanical and Electrical Engineering, Xuzhou University of Technology, Xuzhou 221111, China
| | - Shaobin Yang
- School of Materials Science and Engineering, Geology and Mineral Engineering Special Materials Professional Technology Innovation Center of Liaoning, Key Laboratory of Mineral High Value Conversion and Energy Storage Materials of Liaoning Province, Liaoning Technical University, Fuxin 123000, China.
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4
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Jing C, Huang L, Tao S, Chen Y, Zhang S, Dong W, Ling F, Tang X, Li Y, Feng L, Zhang Y. Construction of MoB@LDH heterojunction and its derivates through phase and interface engineering for advanced supercapacitor applications. J Colloid Interface Sci 2024; 660:10-20. [PMID: 38241858 DOI: 10.1016/j.jcis.2023.12.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/24/2023] [Accepted: 12/30/2023] [Indexed: 01/21/2024]
Abstract
Layered double hydroxide (LDH) has been attracted widespread attention in supercapacitor due to their unique layered structure and associated advantages. However, the inherent limitations of low electrical conductivity and reaction kinetics rate of LDH restrict its widespread application. Various modification techniques, such as heterojunction formation, phosphorization and introduction of phosphorus vacancies, are employed to modify LDH with the goal of improving the electrochemical performance. Preparation of composite materials using MoB MBene as conductive template and phosphorization are the effective ways for enhancing the electrical conductivity of electrode materials. MoB MBene is prepared using a modified method that combines NaOH etching and a high-temperature hydrothermal process. The presence of phosphorus vacancy is beneficial for enhancing the kinetics rate during electrode reactions. Through the synergistic effect of various modification methods, MP2 demonstrates an optimal electrochemical performance with a superior specific capacitance of 1731.19F/g (238.28 mAh g-1) at 1 A/g. It also demonstrates an impressive rate capacity of 81.28 % at 10 A/g and maintains a satisfactory capacitance retention of 88.14 % after 5000 cycles. In addition, a fabricated MP2//AC ASC device achieves an impressive energy density of 39.91 Wh kg-1 at the power density of 948.25 W kg-1 and demonstrates satisfactory cycling stability of 78.76 % after 5000 cycles. This work presents a comprehensive framework for analyzing the impact of material structure, components, and crystal phases on energy storage performance. It also examines the regulatory impact of different modification methods on energy storage mechanisms.
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Affiliation(s)
- Chuan Jing
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China; Water Environment Engineering Technology Innovation Center, Chongqing Academy of Eco-Environmental Sciences, Chongqing 401120, PR China.
| | - Leyi Huang
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China
| | - Shengrong Tao
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China
| | - Yancheng Chen
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China
| | - Shuijie Zhang
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China
| | - Wei Dong
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China
| | - Faling Ling
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China.
| | - Xiao Tang
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China
| | - Yanhong Li
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China
| | - Li Feng
- Water Environment Engineering Technology Innovation Center, Chongqing Academy of Eco-Environmental Sciences, Chongqing 401120, PR China.
| | - Yuxin Zhang
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China
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5
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Guan X, Fan X, Zhu E, Zhang J, Yang L, Yin P, Guan X, Wang G. Controlled establishment of advanced local high-entropy NiCoMnFe-based layered double hydroxide for zinc batteries and low-temperature supercapacitors. J Colloid Interface Sci 2024; 658:952-965. [PMID: 38157619 DOI: 10.1016/j.jcis.2023.12.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 12/14/2023] [Accepted: 12/17/2023] [Indexed: 01/03/2024]
Abstract
The development of high-performance electrodes is essential for improving the charge storage performance of rechargeable devices. In this study, local high-entropy C, N co-doped NiCoMnFe-based layered double hydroxide (C/N-NiCoMnFe-LDH, C/N-NCMF) were designed using a novel method. Multi-component synergistic effects can dramatically modulate the surface electron density, crystalline structure, and band-gap of the electrode. Thus, the electrical conductivity, electron transfer, and affinity for the electrolyte can be optimized. Additionally, the C/N-NCMF yielded a high specific capacitance (1454F·g-1) at 1 A·g-1. The electrode also exhibited excellent cycling stability, with 62 % capacitance retention after 5000 cycles. Moreover, the assembled Zn||C/N-NCMF battery and the C/N-NCMF//AC hybrid supercapacitor yielded excellent energy densities of 63.1 and 35.4 Wh·kg-1 at power densities of 1000 and 825 W·kg-1, and superior cycling performance with 69 % and 88.7 % capacitance retention after 1000 and 30,000 cycles, respectively. Furthermore, the electrode maintained high electrochemical activity and stability and ensured high energy density, power density, and cycling stability of the rechargeable devices even at a low temperature (-20 °C). This study paves a new pathway for regulating the electrochemical performance of LDH-based electrodes.
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Affiliation(s)
- Xiaohui Guan
- School of Chemical Engineering, Northeast Electric Power University, Jilin 132012, PR China
| | - Xinyu Fan
- School of Chemical Engineering, Northeast Electric Power University, Jilin 132012, PR China
| | - Enze Zhu
- School of Chemical Engineering, Northeast Electric Power University, Jilin 132012, PR China
| | - Jiqing Zhang
- School of Chemical Engineering, Northeast Electric Power University, Jilin 132012, PR China
| | - Liu Yang
- School of Chemical Engineering, Northeast Electric Power University, Jilin 132012, PR China.
| | - Penggang Yin
- School of Chemistry, Beihang University, Beijing 100191, PR China
| | - Xin Guan
- Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, the Netherlands.
| | - Guangsheng Wang
- School of Chemistry, Beihang University, Beijing 100191, PR China.
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6
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Wang S, Chen Y, Long M, Li W, Huang Y, Lai S, Yang G, Song Y, Chen J, Yu G. Fabrication of well-aligned Co-MOF arrays through a controlled and moderate process for the development of a flexible tetrabromobisphenol A sensor. Analyst 2024; 149:1807-1816. [PMID: 38334483 DOI: 10.1039/d3an01950k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Tetrabromobisphenol A (TBBPA) has attracted a great deal of attention due to its side effects and potential bioaccumulation properties. It is of great importance to construct and develop novel electrochemical sensors for the sensitive and selective detection of TBBPA. In the present study, cobalt (Co) based metal-organic frameworks (MOFs) were synthesized on carbon cloth (CC) by using cobalt nitrate hexahydrate and 2-methylimidazole. The morphological characterization was carried out by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR). The results showed that Co-MOFs/CC have a leaf-like structure and abundant surface functional groups. The electrochemical properties of the sensor were investigated by differential pulse voltammetry (DPV). The effects of different ratios of metal ions to organic ligands, reaction temperature, time, concentration, pH value of the electrolyte, and incubation time on the oxidation peak current of TBBPA were studied. Under the optimal conditions, the linear range of the designed sensor was 0.1 μM-100 μM, and the limit of detection was 40 nM. The proposed sensor is simple, of low cost and efficient, which can greatly facilitate the detection tasks of environmental monitoring workers.
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Affiliation(s)
- Shiyuan Wang
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Yao Chen
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Mei Long
- Department of Cardiology, ZiBo Central Hospital, Zibo, China
| | - Wanyu Li
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Yiran Huang
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Shiyi Lai
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Guiping Yang
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Yang Song
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Jinfa Chen
- The Center of Laboratory, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
| | - Guangxia Yu
- Key Lab of Environment and Health, Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou 350122, China.
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7
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Chen Q, Pan H, Chen Z, Jiang X, Li Y, Tian W, Liu H, Zhu S. Cobalt coordinated carbon quantum dots boosting the performance of NiCo-LDH for energy storage. J Colloid Interface Sci 2024; 655:110-119. [PMID: 37925967 DOI: 10.1016/j.jcis.2023.10.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/14/2023] [Accepted: 10/22/2023] [Indexed: 11/07/2023]
Abstract
Transition metal layered double hydroxides have extremely high specific capacitances but suffer from poor rate performance and cycling stability due to their low conductivity and structural stability. In this study, cobalt-coordinated carbon quantum dots (CoCQDs) were designed and synthesized to enhance the energy storage performance of nickel-cobalt layered double hydroxides (NiCo-LDH). Nickel and cobalt ions were co-electrodeposited with the CoCQDs to form a NiCo-LDH based composite electrode (denoted as CoC@LDH). Since the CoCQDs participated in the formation of the NiCo-LDH, the carbon quantum dots could be strongly bonded to the NiCo-LDH nanosheets through coordination interactions. Thus, the conductivity as well as the structure stability of the NiCo-LDH was effectively improved, which greatly boosted the cycle stability and rate performance of the NiCo-LDH. Several CoCQDs with different Co contents (nCoCQDs, n = 0.5, 1.0, 2.0) were fabricated and their effects on the performance of the resultant electrodes nCoC@LDH were investigated. The 1.0CoC@LDH electrode exhibited an impressive specific capacitance of 1867 F g-1 at 1 A-g-1, along with a significantly enhanced capacitance retention of 84.6 % after 6000 cycles at 5 A g-1 (benchmark 49.5 %). This ingenious design provides a new avenue for fabricating pseudo-capacitive materials with unprecedented high performance.
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Affiliation(s)
- Qi Chen
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hui Pan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan Institute of Technology, Wuhan 430205, China.
| | - Zhixin Chen
- School of Mechanical, Materials & Mechatronics Engineering, University of Wollongong, NSW 2522, Australia
| | - Xueliang Jiang
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan Institute of Technology, Wuhan 430205, China
| | - Yao Li
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wensheng Tian
- State Key Laboratory of Space Power-Sources, Shanghai Institute of Space Power-Sources, Shanghai 200245, China
| | - Hao Liu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shenmin Zhu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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Shi J, Tai H, Xu D, Kang X, Liu Z. Efficient improvement in the electrochemical performance of petal-like lamellar NiMn-LDHs with affluent oxygen vacancies derived from Mn MOF-74. Dalton Trans 2024. [PMID: 38247321 DOI: 10.1039/d3dt03807f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Supercapacitors (SCs) as a kind of novel energy storage devices have emerged to meet the urgent requirement of environmentally friendly clean energy storage equipment. However, unsatisfactory energy density and low operating voltage tremendously restrict their practical application. Herein, petal-like lamellar NiMn-layered double hydroxide (NiMn-LDH) was successfully fabricated through a simple Ni(NO3)2 etching method with Mn MOF-74 as a sacrificial template. This NiMn-LDH 3/NF electrode exhibited an improved specific capacitance of 1410.2 F g-1 at a current density of 1 A g-1 (Mn MOF-74/NF: 172.2) owing to its high redox activity, compositional flexibility and intercalating capability. Importantly, NiMn-LDH was further optimized via a facile hydroperoxide treatment to harvest NiMn-LDH (O-LDH) with abundant oxygen vacancies, exhibiting remarkable improvement in specific capacitance (990%) compared to original MOF-74 before modification. The preparation of O-LDH enriches the electrode material engineering strategy and achieves improved electrochemical performance for application in new-generation SCs.
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Affiliation(s)
- Jing Shi
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China.
| | - Hongbo Tai
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China.
| | - Dongwei Xu
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China.
| | - Xiaomin Kang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China.
| | - Zhiliang Liu
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China.
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9
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Wang X, Hang X, Zhang G, An Y, Liu B, Pang H. Metal Ion-controlled Growth of Different Metal-Organic Framework Micro/nanostructures for Enhanced Supercapacitor Performance. Chem Asian J 2023; 18:e202300859. [PMID: 37843823 DOI: 10.1002/asia.202300859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/17/2023]
Abstract
We report a metal ion-modulated effective strategy to achieve different metal-organic framework (MOF) micro/nanostructures using different metal precursors like CoCl2 ⋅ 6H2 O, CoCl2 ⋅ 6H2 O and NiCl2 ⋅ 6H2 O, and NiCl2 ⋅ 6H2 O with pyridine-3,5-dicarboxylate (3,5-pdc). The structural characterizations confirm that different morphological structures, hollow microsphere, hierarchical nanoflower, and solid nanosphere are for Co-(3,5-pdc), Co0.19 Ni0.81 -(3,5-pdc), and Ni-(3,5-pdc), respectively. These different MOF micro/nanostructures correlate with the coordination ability of Co and Ni with 3,5-pdc. Benefitting from the synergistic effect of the alloying metal nodes of Co and Ni producing rapid and rich redox reactions and the hierarchical nanoflower with higher surface area enabling excellent ion kinetics, the Co0.19 Ni0.81 -(3,5-pdc) exhibits higher specific capacitance of 515 F g-1 /273 C g-1 at 0.5 A g-1 than that of Ni-(3,5-pdc) (290 F g-1 /153.7 C g-1 ) and Co-(3,5-pdc) (132 F g-1 /67 C g-1 ), good rate capability and cycling stability. Moreover, the asymmetric supercapacitor device (Co0.19 Ni0.81 -(3,5-pdc)//AC) assembled from Co0.19 Ni0.81 -(3,5-pdc) and activated carbon (AC) achieves a maximum energy density of 42.6 Wh kg-1 at a power density of 277.3 W kg-1 .
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Affiliation(s)
- Xiaoju Wang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Xinxin Hang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Guangxun Zhang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Yang An
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Bei Liu
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
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10
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Prussian blue and its analogues: Reborn as emerging catalysts for a Fenton-like process in water purification. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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11
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Dennyson Savariraj A, Justin Raj C, Kale AM, Kim BC. Road Map for In Situ Grown Binder-Free MOFs and Their Derivatives as Freestanding Electrodes for Supercapacitors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207713. [PMID: 36799137 DOI: 10.1002/smll.202207713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/30/2023] [Indexed: 05/18/2023]
Abstract
Among several electrocatalysts for energy storage purposes including supercapacitors, metal-organic frameworks (MOFs), and their derivatives have spurred wide spread interest owing to their structural merits, multifariousness with tailor-made functionalities and tunable pore sizes. The electrochemical performance of supercapacitors can be further enhanced using in situ grown MOFs and their derivatives, eliminating the role of insulating binders whose "dead mass" contribution hampers the device capability otherwise. The expulsion of binders not only ensures better adhesion of catalyst material with the current collector but also facilitates the transport of electron and electrolyte ions and remedy cycle performance deterioration with better chemical stability. This review systematically summarizes different kinds of metal-ligand combinations for in situ grown MOFs and derivatives, preparation techniques, modification strategies, properties, and charge transport mechanisms as freestanding electrode materials in determining the performance of supercapacitors. In the end, the review also highlights potential promises, challenges, and state-of-the-art advancement in the rational design of electrodes to overcome the bottlenecks and to improve the capability of MOFs in energy storage applications.
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Affiliation(s)
- Antonysamy Dennyson Savariraj
- Department of Advanced Components and Materials Engineering, Sunchon National University, 255, Jungang-ro, Suncheon-si, Jeollanamdo, 57922, Republic of Korea
| | - Chellan Justin Raj
- Physics Division, School of Advanced Sciences, Vellore Institute of Technology (VIT), Chennai Campus, Chennai, Tamil Nadu, 600 127, India
| | - Amol Marotrao Kale
- Department of Advanced Components and Materials Engineering, Sunchon National University, 255, Jungang-ro, Suncheon-si, Jeollanamdo, 57922, Republic of Korea
| | - Byung Chul Kim
- Department of Advanced Components and Materials Engineering, Sunchon National University, 255, Jungang-ro, Suncheon-si, Jeollanamdo, 57922, Republic of Korea
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12
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Wang BQ, Gong SH, Wang XC, Wu JF, Liu F, Cheng JP. Controllable reduction of NiCoO 2@NiCo core-shell nanospheres on CNTs for high-performance electrochemical energy storage. J Colloid Interface Sci 2023; 645:154-164. [PMID: 37148681 DOI: 10.1016/j.jcis.2023.04.134] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 04/13/2023] [Accepted: 04/24/2023] [Indexed: 05/08/2023]
Abstract
The performances of energy storage devices are strongly dependent on the electrode materials. Owing to the high theoretical capacity, NiCoO2 is a promising transition metal oxide for supercapacitors. Despite many efforts have been devoted, it still lacks of effective methods to overcome its shortcomings such as low conductivity and poor stability, in order to achieve its theoretical capacity. Herein, utilizing the thermal reducibility of trisodium citrate and its hydrolyzate, a series of NiCoO2@NiCo/CNT ternary composites in which NiCoO2@NiCo core-shell nanospheres deposited on CNT surface with adjustable metal contents are synthesized. Benefiting from the enhanced synergistic effect of both metallic core and CNTs, the optimized composite exhibits an extremely high specific capacitance (2660 F g-1 at 1 A g-1, the effective specific capacitance of the loaded metal oxide is 4199 F g-1, close to the theoretical value), an excellent rate performance and stability, when the metal content is about 37%. After depolarized calculation, the energy storage mechanism of the composite is reasonably analyzed. By controlling the contents of hexamethylenetetramine, trisodium citrate and CNTs in the reactant, the roles of them are distinguished. This study reveals an efficient novel strategy for transition metal oxides to maximize the electrochemical performances.
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Affiliation(s)
- B Q Wang
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Zhejiang University, Hangzhou 310027, China
| | - S H Gong
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Zhejiang University, Hangzhou 310027, China
| | - X C Wang
- School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - J F Wu
- College of Information Science & Technology, Zhejiang Shuren University, Hangzhou 310015, China.
| | - F Liu
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Zhejiang University, Hangzhou 310027, China
| | - J P Cheng
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Zhejiang University, Hangzhou 310027, China.
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13
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Mohamed AM, Sayed DM, Allam NK. Optimized Fabrication of Bimetallic ZnCo Metal-Organic Framework at NiCo-Layered Double Hydroxides for Multiple Storage and Capability Synergy All-Solid-State Supercapacitors. ACS APPLIED MATERIALS & INTERFACES 2023; 15:16755-16767. [PMID: 36947435 DOI: 10.1021/acsami.3c00087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Rational design and structural regulation of hybrid nanomaterials with superior electrochemical performance are crucial for developing sustainable energy storage platforms. Among these materials, NiCo-layered double hydroxides (NiCo-LDHs) demonstrate an exceptional charge storage capabilities owing to their tunable 2D lamellar structure, large interlayer spacing, and rich redox electrochemically active sites. However, NiCo-LDHs still suffer from sever agglomeration of their particles with limited charge transfer rates, resulting in an inadequate rate capability. In this study, bimetallic ZnCo-metal organic framework (MOF) tripods were grown on the surface of NiCo-LDH nanowires, which significantly reduced the self-agglomeration and stacking of the NiCo-LDH nanowire arrays, offering more accessible active sites for charge transfer and shortening the path for ion diffusion. The fabricated hybrid ZnCo-MOF@NiCo-LDH and its individual counterparts were tested as supercapacitor electrodes. The ZnCo-MOF@NiCo-LDH electrode demonstrated a remarkable specific capacitance of 1611 F g-1 at 2 A g-1 with an enhanced rate capability of 66% from 2 to 20 A g-1. Moreover, an asymmetric all solid-state supercapacitor device was constructed using ZnCo-MOF@NiCo-LDH and palm tree-derived activated carbon (P-AC) as positive and negative poles, respectively. The constructed device can store a high specific energy of 44.5 Wh Kg-1 and deliver a specific power of 876.7 W Kg-1 with outstanding Columbic efficiency over 10,000 charging/discharging cycles at 15 A g-1.
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Affiliation(s)
- Aya M Mohamed
- Energy Materials Laboratory (EML), School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
- Department of Chemistry, Faculty of Science, Cairo University, Cairo 12613, Egypt
| | - Doha M Sayed
- Energy Materials Laboratory (EML), School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
- Department of Chemistry, Faculty of Science, Cairo University, Cairo 12613, Egypt
| | - Nageh K Allam
- Energy Materials Laboratory (EML), School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
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14
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Kumar J, Neiber RR, Abbas Z, Soomro RA, BaQais A, Amin MA, El-Bahy ZM. Hierarchical NiMn-LDH Hollow Spheres as a Promising Pseudocapacitive Electrode for Supercapacitor Application. MICROMACHINES 2023; 14:487. [PMID: 36838187 PMCID: PMC9964479 DOI: 10.3390/mi14020487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/05/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Layered double hydroxides (LDH) are regarded as attractive pseudocapacitive materials due to their impressive capacitive qualities that may be adjustable to their morphological features. However, the layered structure of LDH renders them susceptible to structural aggregation, which inhibits effective electrolyte transport and limits their practical applicability after limited exposure to active areas. Herein, we propose a simple template-free strategy to synthesize hierarchical hollow sphere NiMn-LDH material with high surface area and exposed active as anode material for supercapacitor application. The template-free approach enables the natural nucleation of Ni-Mn ions resulting in thin sheets that self-assemble into a hollow sphere, offering expended interlayer spaces and abundant redox-active active sites. The optimal NiMn-LDH-12 achieved a specific capacitance of 1010.4 F g-1 at a current density of 0.2 A g-1 with capacitance retention of 70% at 5 A g-1 after 5000 cycles with lower charge transfer impedance. When configured into an asymmetric supercapacitors (ASC) device as NiMn-LDH//AC, the material realized a specific capacitance of 192.4 F g-1 at a current density of 0.2 A g-1 with a good energy density of 47.9 Wh kg-1 and a power density of 196.8 W kg-1. The proposed morphological-tuning route is promising for designing template-free NiMn-LDHs spheres with practical pseudocapacitive characteristics.
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Affiliation(s)
- Jai Kumar
- College of Chemical Engineering, University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Rana R. Neiber
- College of Chemical Engineering, University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green, Process, and Engi-neering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Zaheer Abbas
- Metallurgy and Materials Engineering Department, University of Engineering and Technology, Taxila 47050, Pakistan
| | - Razium Ali Soomro
- State Key Laboratory of Organic-Inorganic Composites, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Amal BaQais
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Mohammed A. Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Zeinhom M. El-Bahy
- Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City 11884, Cairo, Egypt
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15
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Reconstruction of Co/Ni metal-organic-framework based electrode materials with excellent conductivity and integral stability via extended hydrothermal treatment toward improved performance of supercapacitors. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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16
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Yue X, Dong Y, Cao H, Wei X, Zheng Q, Sun W, Lin D. Effect of electronic structure modulation and layer spacing change of NiAl layered double hydroxide nanoflowers caused by cobalt doping on supercapacitor performance. J Colloid Interface Sci 2023; 630:973-983. [DOI: 10.1016/j.jcis.2022.10.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/08/2022] [Accepted: 10/11/2022] [Indexed: 11/11/2022]
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17
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Cheng W, Huang W, Zhang A, Du Y, Cui L, Tian P, Liu J. Hierarchical MoO
3
‐MnNi LDH@Cu(OH)
2
Core‐Shell Nanorod Arrays Constructed through In‐Situ Oxidation Combined with a Hydrothermal Strategy for High‐Performance Energy Storage. ChemElectroChem 2022. [DOI: 10.1002/celc.202201051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Wenting Cheng
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao University Qingdao 266071 China
| | - Wenjun Huang
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao University Qingdao 266071 China
| | - Aitang Zhang
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao University Qingdao 266071 China
| | - Yiqi Du
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao University Qingdao 266071 China
| | - Liang Cui
- College of Materials Science and Engineering Linyi University Linyi 276000 Shandong China
| | - Pengfei Tian
- College of Materials Science and Engineering Linyi University Linyi 276000 Shandong China
| | - Jingquan Liu
- College of Materials Science and Engineering Institute for Graphene Applied Technology Innovation State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao University Qingdao 266071 China
- College of Materials Science and Engineering Linyi University Linyi 276000 Shandong China
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18
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Zhao K, Sun X, Fu H, Guo H, Wang L, Li D, Liu J. In situ construction of metal-organic frameworks on chitosan-derived nitrogen self-doped porous carbon for high-performance supercapacitors. J Colloid Interface Sci 2022; 632:249-259. [DOI: 10.1016/j.jcis.2022.11.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/05/2022] [Accepted: 11/08/2022] [Indexed: 11/15/2022]
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19
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Thirugnanasambandam E, Shanmugam G, Shahul Hameed AM. Energy Enhancement of a Nickel–Cobalt-Mixed Metallic Metal–Organic Framework Electrode and a Potassium Iodide Redox Mediator Bound with an Aqueous Electrolyte for High-Performance Redox-Aided Asymmetric Supercapacitors. Inorg Chem 2022; 61:17873-17882. [DOI: 10.1021/acs.inorgchem.2c03228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Eswaramoorthi Thirugnanasambandam
- Energy Conversation and Energy Storage Laboratory, Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu District, Kattankulathur603 203, Tamil Nadu, India
| | - Ganesan Shanmugam
- Energy Conversation and Energy Storage Laboratory, Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu District, Kattankulathur603 203, Tamil Nadu, India
| | - Arif Mohamed Shahul Hameed
- Energy Conversation and Energy Storage Laboratory, Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu District, Kattankulathur603 203, Tamil Nadu, India
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20
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Cao W, Chen N, Zhao W, Xia Q, Du G, Xiong C, Li W, Tang L. Amorphous P-NiCoS@C nanoparticles derived from P-doped NiCo-MOF as electrode materials for high-performance hybrid supercapacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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21
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Tao J, Tan R, Xu L, Zhou J, Yao Z, Lei Y, Chen P, Li Z, Ou JZ. Ion-Exchange Strategy for Metal-Organic Frameworks-Derived Composites with Tunable Hollow Porous and Microwave Absorption. SMALL METHODS 2022; 6:e2200429. [PMID: 35676230 DOI: 10.1002/smtd.202200429] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/14/2022] [Indexed: 06/15/2023]
Abstract
Hollow metal-organic frameworks (MOFs) with careful phase engineering have been considered to be suitable candidates for high-performance microwave absorbents. However, there has been a lack of direct methods tailored to MOFs in this area. Here, a facile and safe Ni2+ -exchange strategy is proposed to synthesize graphite/CoNi alloy hollow porous composites from Ni2+ concentration-dependent etching of Zeolite imidazole frame-67 (ZIF-67) MOF and subsequent thermal field regulation. Such a special combination of hollow structure and carefully selected hybrid phase are with optimized impedance matching and electromagnetic attenuation. Especially, the suitable carrier transport model and the rich polarization site enhance the dielectric loss, while more significant hysteresis loss and more natural resonance increase the magnetic loss. As a result, excellent microwave absorbing (MA) performances of both broadband absorption (7.63 GHz) and high-efficiency loss (-63.79 dB) are obtained. Moreover, the applicability and practicability of the strategy are demonstrated. This work illustrates the unique advantages of ion-exchange strategy in structure design, component optimization, and electromagnetic regulation, providing a new reference for the 5G cause and MA field.
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Affiliation(s)
- Jiaqi Tao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Ruiyang Tan
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Linling Xu
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Jintang Zhou
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Zhengjun Yao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Yiming Lei
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
- Key Laboratory of Material Preparation and Protection for Harsh Environment, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210000, China
| | - Ping Chen
- School of Electronic Science and Engineering, Nanjing University, Nanjing, 210000, China
| | - Zhong Li
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
| | - Jian Zhen Ou
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China
- School of Engineering, RMIT University, Melbourne, 3000, Australia
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22
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Self-templated pseudomorphic transformation of ZIF into layered double hydroxides for improved supercapacitive performance. J Colloid Interface Sci 2022; 622:309-318. [DOI: 10.1016/j.jcis.2022.04.088] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/31/2022] [Accepted: 04/15/2022] [Indexed: 01/16/2023]
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23
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Zhao X, Li H, Zhang M, Pan W, Luo Z, Sun X. Hierarchical Nanocages Assembled by NiCo-Layered Double Hydroxide Nanosheets for a High-Performance Hybrid Supercapacitor. ACS APPLIED MATERIALS & INTERFACES 2022; 14:34781-34792. [PMID: 35867900 DOI: 10.1021/acsami.2c08903] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Layered double hydroxides (LDHs) have attracted broad attention as cathode materials for hybrid supercapacitors (HSCs) because of their ultrahigh theoretical specific capacitance, high compositional flexibility, and adjustable interlayer spacing. However, as reported, specific capacitance of LDHs is still far below the theoretical value, inspiring countless efforts to these ongoing challenges. Herein, a hierarchical nanocage structure assembled by NiCo-LDH nanosheet arrays was rationally designed and fabricated via a facile solvothermal method assisted by the ZIF-67 template. The transformation from the ZIF-67 template to this hollow structure is achieved by a synergistic effect involving the Kirkendall effect and the Ostwald ripening process. The enlarged specific surface area co-occurred with broadened interlayer spacing of LDH nanosheets by finely increasing the Ni concentration, leading to synchronous improvement of electron/ion transfer kinetics. The optimized NiCo-LDH-210 electrode displays a maximum specific capacitance of 2203.6 F g-1 at 2 A g-1, excellent rate capability, and satisfactory cycling stability because of the highly exposed active sites and shortened ion transport paths provided by vertically aligned LDH nanosheets together with the cavity. Furthermore, the assembled HSC device achieves a superior energy density of 57.3 Wh kg-1 with prominent cycling stability. Impressively, the design concept of complex construction derived from metal-organic frameworks (MOF) derivatives shows tremendous potential for use in energy storage systems.
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Affiliation(s)
- Xiang Zhao
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
| | - Hui Li
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
| | - Mu Zhang
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
- Foshan Graduate School of Northeastern University, Foshan 528311, PR China
| | - Wei Pan
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
| | - Zhengtang Luo
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, P.R. China
| | - Xudong Sun
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China
- Foshan Graduate School of Northeastern University, Foshan 528311, PR China
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24
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AhadiParsa M, Dehghani A, Ramezanzadeh M, Ramezanzadeh B. Rising of MXenes: Novel 2D-functionalized nanomaterials as a new milestone in corrosion science - a critical review. Adv Colloid Interface Sci 2022; 307:102730. [PMID: 35868175 DOI: 10.1016/j.cis.2022.102730] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/29/2022] [Accepted: 07/03/2022] [Indexed: 11/01/2022]
Abstract
Corrosion is a natural process between a metal and its environment that can gradually cause catastrophic damage to the metal equipment, which would have economic implications. Consequently, several protective methods have been utilized to prevent metals from severe degradation. Organic polymeric coatings have been widely used as the most convenient and cost-effective method to boost metals' anti-corrosion properties. Nonetheless, these coatings have a significant amount of solvent, resulting in shrinkage and micro defects in the films during the curing process. Many studies have verified that transition metal carbides/nitrides (MXenes) can form a "labyrinth effect" in the polymeric coatings due to their "nano-barrier effect". Furthermore, based on their sheet-like structures, they can considerably cover the surface defects of the polymeric films. Therefore, the penetration of corrosive elements can be substantially curbed. It is the first review that specifically focused on the new family of 2D nanomaterials, i.e., MXenes, and discussed their applications in corrosion protection systems. The MXenes' pros and cons in the polymeric matrixes as nanofillers will be clarified. Moreover, the synthesis and functionalization methods of the MXenes, their applications, and corrosion protection mechanism will be explored. Subsequently, the MXenes' superiority over other 2D nanomaterials will be highlighted while their future perspectives and industrial applications will be predicted.
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Affiliation(s)
- Mobina AhadiParsa
- Department of Surface Coatings and Corrosion, Institute for Color Science and Technology, P.O. Box 16765-654, Tehran, Iran
| | - Ali Dehghani
- Department of Surface Coatings and Corrosion, Institute for Color Science and Technology, P.O. Box 16765-654, Tehran, Iran; Department of Chemical Engineering, Faculty of Engineering, Golestan University, Aliabad Katoul, Iran
| | - Mohammad Ramezanzadeh
- Department of Surface Coatings and Corrosion, Institute for Color Science and Technology, P.O. Box 16765-654, Tehran, Iran
| | - Bahram Ramezanzadeh
- Department of Surface Coatings and Corrosion, Institute for Color Science and Technology, P.O. Box 16765-654, Tehran, Iran.
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25
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Gong S, Wang B, Xue Y, Sun Q, Wang J, Kuai J, Liu F, Cheng J. NiCoO2 and polypyrrole decorated three-dimensional carbon nanofiber network with coaxial cable-like structure for high-performance supercapacitors. J Colloid Interface Sci 2022; 628:343-355. [DOI: 10.1016/j.jcis.2022.07.134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 01/17/2023]
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26
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Ning F, Gao X, Yao F, Zhang H, Yu Y, Xie Y, Yue H. A novel NiCo2S4 nanocone arrays/P‐doped hollow carbon nanosphere for high electrochemical performance supercapacitors. ChemElectroChem 2022. [DOI: 10.1002/celc.202200135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Feng Ning
- Harbin University of Science and Technology School of Materials Science and Engineering CHINA
| | - Xin Gao
- Harbin University of Science and Technology School of Materials Science and Engineering CHINA
| | - Fei Yao
- University at Buffalo Department of Materials Design and Innovation UNITED STATES
| | - Hengwei Zhang
- Harbin University of Science and Technology Department of Materials Design and Innovation CHINA
| | - Yanfei Yu
- Harbin University of Science and Technology Department of Materials Design and Innovation CHINA
| | - Yanqiu Xie
- Harbin University of Science and Technology School of Materials Science and Engineering CHINA
| | - Hongyan Yue
- Harbin University of Science and Technology School of Materials Science and Engineering harbin 150040 harbin CHINA
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Pu J, Gong W, Shen Z, Wang L, Yao Y, Hong G. CoNiO 2 /Co 4 N Heterostructure Nanowires Assisted Polysulfide Reaction Kinetics for Improved Lithium-Sulfur Batteries. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104375. [PMID: 34894097 PMCID: PMC8811817 DOI: 10.1002/advs.202104375] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 11/12/2021] [Indexed: 06/01/2023]
Abstract
The "shuttle effect" of soluble polysulfides and slow reaction kinetics hinder the practical application of Li-S batteries. Transition metal oxides are promising mediators to alleviate these problems, but the poor electrical conductivity limits their further development. Herein, the homogeneous CoNiO2 /Co4 N nanowires have been fabricated and employed as additive of graphene based sulfur cathode. Through optimizing the nitriding degree, the continuous heterostructure interface can be obtained, accompanied by effective adjustment of energy band structure. By combining the strong adsorptive and catalytic properties of CoNiO2 and electrical conductivity of Co4 N, the in situ formed CoNiO2 /Co4 N heterostructure reveals a synergistic enhancement effect. Theoretical calculation and experimental design show that it can not only significantly inhibit "shuttle effect" through chemisorption and catalytic conversion of polysulfides, but also improve the transport rate of ions and electrons. Thus, the graphene composite sulfur cathode supported by these CoNiO2 /Co4 N nanowires exhibits improved sulfur species reaction kinetics. The corresponding cell provides a high rate capacity of 688 mAh g-1 at 4 C with an ultralow decaying rate of ≈0.07% per cycle over 600 cycles. The design of heterostructure nanowires and graphene composite structure provides an advanced strategy for the rapid capture-diffusion-conversion process of polysulfides.
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Affiliation(s)
- Jun Pu
- Institute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da Universidade TaipaMacau SAR999078China
| | - Wenbin Gong
- School of Physics and EnergyXuzhou University of TechnologyXuzhou221018China
| | - Zhaoxi Shen
- Institute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da Universidade TaipaMacau SAR999078China
| | - Litong Wang
- Institute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da Universidade TaipaMacau SAR999078China
| | - Yagang Yao
- National Laboratory of Solid State MicrostructuresCollege of Engineering and Applied SciencesJiangsu Key Laboratory of Artificial Functional MaterialsCollaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing210093China
- Division of Nanomaterials and Jiangxi Key Lab of Carbonene MaterialsSuzhou Institute of Nano‐Tech and Nano‐BionicsNanchangChinese Academy of SciencesNanchang330200China
| | - Guo Hong
- Institute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da Universidade TaipaMacau SAR999078China
- Department of Physics and ChemistryFaculty of Science and TechnologyUniversity of Macau, Avenida da UniversidadeTaipaMacau SAR999078China
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Zhang X, Lu W, Tian Y, Yang S, Zhang Q, Lei D, Zhao Y. Nanosheet-assembled NiCo-LDH hollow spheres as high-performance electrodes for supercapacitors. J Colloid Interface Sci 2022; 606:1120-1127. [PMID: 34487932 DOI: 10.1016/j.jcis.2021.08.094] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/09/2021] [Accepted: 08/15/2021] [Indexed: 10/20/2022]
Abstract
Layered double hydroxides (LDHs) have been considered as favorable pseudocapacitive electrode materials for supercapacitors due to their tunable layered structure/compositions and low cost. Here, we report the NiCo-LDH hollow spheres prepared with Co-glycerate as the sacrificial template and cobalt source. The hollow spheres are assembled with frizzy NiCo-LDH nanosheets, where the hollow structure can inhibit agglomeration of the LDH nanosheets to expose more active sites and shorten the diffusion path of electrolyte ions. The prepared NiCo-LDH hollow spheres show a high specific capacitance of 1962 F g-1 at 1 A g-1 and good capacitance retention rate of 66.4 % at 30 A g-1. The asymmetric supercapacitors fabricated using NiCo-LDH hollow spheres as positive electrode yields a large energy density 62.9 Wh kg-1 at the power density of 0.8 kW kg-1. This research may develop a facile synthesis way to prepare LDH hollow spheres for supercapacitors.
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Affiliation(s)
- Xu Zhang
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China..
| | - Wang Lu
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Yuhan Tian
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Shixuan Yang
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Qiang Zhang
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Da Lei
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Yingyuan Zhao
- College of Chemical Engineering and Safety, Binzhou University, Binzhou, Shandong 256603, China.
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Huang X, Sun R, Li Y, Jiang J, Li M, Xu W, Wang Y, Cong H, Tang J, Han S. Two-step electrodeposition synthesis of heterogeneous NiCo-layered double hydroxides@MoO3 nanocomposites on nickel foam with high performance for hybrid supercapacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139680] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Wang B, Gong S, Sun Q, Liu F, Wang X, Cheng J. Carbon nanotubes refined mesoporous NiCoO2 nanoparticles for high−performance supercapacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139575] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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31
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Li Z, Jiao Q, He SA, He G, Cen Z, Yang F, Zou R, Xu K. Engineering oxygen vacancies and surface chemical reconstruction of MOF-derived hierarchical CoO/Ni 2P-Co 2P nanosheet arrays for advanced aqueous zinc-ion batteries. Dalton Trans 2021; 50:17538-17548. [PMID: 34812456 DOI: 10.1039/d1dt03193g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Aqueous zinc-ion batteries (ZIBs) are emerging as promising alternatives among various energy storage devices. However, the lack of research on cathode materials with both high capacity and electrochemical stability restricts widespread applications of ZIBs. Herein, surface chemical reconstruction and partial phosphorization strategies are employed to synthesize MOF-derived hierarchical CoO/Ni2P-Co2P nanosheet arrays on Ni foam substrates as cathodes for ZIBs. The unique hierarchical nanostructure and multiple components with exposed surfaces and rich oxygen vacancies accelerate charge transfer and ion diffusion, expose more active sites, and promote the accessibility between the active materials and electrolyte. The oxide/phosphide composites obtained by novel partial phosphorization achieve a common improvement of performance and stability. As expected, the CoO/Ni2P-Co2P electrode delivers a high specific capacity (370.4 mA h g-1 at 3 A g-1) and excellent rate performance (63.3% retention after a six-fold increase in the current density). Moreover, when employed as the cathode of the CoO/Ni2P-Co2P-30//Zn battery, the assembled battery exhibits a superior specific capacity (322.8 mA h g-1 at 2 A g-1), a long cycle life (104.9% retention after 6000 cycles), a favorable energy density (547.5 W h kg-1) and power density (9.7 kW kg-1). Therefore, this study provides a suitable candidate which meets the requirements of high-performance cathode materials for ZIBs.
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Affiliation(s)
- Zhihao Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China.
| | - Qiang Jiao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China.
| | - Shu-Ang He
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China.
| | - Guanjie He
- School of Chemistry, University of Lincoln, Brayford Pool, Lincoln LN6 7TS, UK
| | - Ze Cen
- College of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Fang Yang
- College of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, 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.
| | - Kaibing Xu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China. .,Research Center for Analysis and Measurement, Donghua University, Shanghai, 201620, China
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MXenes induced formation of Ni-MOF microbelts for high-performance supercapacitors. J Colloid Interface Sci 2021; 592:95-102. [PMID: 33647566 DOI: 10.1016/j.jcis.2021.02.042] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 11/23/2022]
Abstract
For the sake of developing new energy storage devices for satisfying the energy needs of the modern society, we herein report an innovative MXene-induced strategy to synthesize Ti3C2Tx MXenes/Ni based metal-organic framework composites (Ti3C2Tx/Ni-MOFs) for high-performance supercapacitors. The two-dimensional (2D) MXenes with oxygen-containing groups on the surface can be used as structure-directing agents to tune the Ni-MOFs into 2D microbelts. The presence of MXenes cannot only improve conductivity of the composite but also provide additional electric double layer capacitance and faradaic pseudocapacitance. The 2D Ni-MOF microbelts can offer rich activity sites for the faradaic redox reactions and shorten the ion transport path. Taking advantages of synergistic effects of Ni-MOF microbelts and Ti3C2Tx MXenes, the prepared Ti3C2Tx/Ni-MOFs electrode shows a good electrochemical performance with 1124 F g-1 at the current density of 1 A g -1 and 62% rate capability at 20 A g -1. This work can offer a new insight to design 2D MOF belts as high-performance electrode materials for supercapacitors.
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Li Z, Mi H, Ji C, Guo F, Qiu P, Ma K, He S, Wu D, Cui H, Yang N. Phosphate-modified Co-Ni phosphide heterostructure formed by interfacial and electronic tuning for boosted faradaic properties. Dalton Trans 2021; 50:5036-5043. [PMID: 33877201 DOI: 10.1039/d1dt00817j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Rational structural and compositional modulation endows electrode materials with unique physicochemical characteristics due to their adjustable electronic properties. Herein, a phosphate-modified hierarchical nanoarray consisting of a heterojunction with a well-aligned cobalt phosphide nanowire core and nickel phosphide nanosheet shell on flexible carbon cloth (denoted as CoP@Ni2P-CC) is engineered. The phosphate-modulated heterogeneous phosphide with a tuned electronic structure, additional heterojunction interfaces, and high degree of covalency in the chemical bonds accelerates the reaction kinetics and enhances the energy storage performance. Due to these reasons, the as-obtained phosphide-based heterostructured CoP@Ni2P-CC electrode delivers a capacity of 475.9 C g-1 at 0.5 A g-1 with a satisfying rate capability, which is greatly superior to that of its transition metal counterparts (sulfide, selenide, and oxide). After being assembled into a flexible hybrid supercapacitor (FHSC), a wide operating voltage (1.8 V), high energy/power densities (49.8 W h kg-1/8.6 kW kg-1), and long-term stability (85.1% capacity retention after 10 000 cycles) were achieved. This work may provide a general method from multiple strategies for designing reliable pseudocapacitive materials for flexible electronics.
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Affiliation(s)
- Zhan Li
- School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, P. R. China.
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Fu J, Lai H, Zhang Z, Li G. UiO-66 metal-organic frameworks/gold nanoparticles based substrates for SERS analysis of food samples. Anal Chim Acta 2021; 1161:338464. [PMID: 33896560 DOI: 10.1016/j.aca.2021.338464] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 01/12/2023]
Abstract
Recently, metal-organic frameworks (MOFs) based substrates have shown great potential for the quantitative analysis of food samples by surface-enhanced Raman scattering (SERS) due to their unique properties. Herein, we developed two UiO-66 MOFs/gold nanoparticles (AuNPs) based substrates by self-assembly, including UiO-66/AuNPs suspension substrate and UiO-66(NH2)/AuNPs/Nylon-66 flexible membrane substrate, for quantitative analysis of complex food samples by SERS. UiO-66/AuNPs suspension substrate was prepared for SERS-based determination of a carcinogenic heterocyclic amine in barbecue meat. UiO-66(NH2)/AuNPs/Nylon-66 membrane substrate was fabricated for the simultaneous separation, enrichment, and in situ analysis of Sudan Red 7B in chilli products. The heterocyclic amine and Sudan dye in real samples could be detected and quantified with the recoveries of 82.3-110% and 84.5-114% and relative standard deviations (RSDs) of 3.1-11.0% and 1.9-5.6% (n = 3) by use of these two substrates, respectively. These two UiO-66/AuNPs based substrates combined molecular enrichment and SERS activity, achieving excellent analytical accuracy and widening SERS application in practical food safety analysis.
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Affiliation(s)
- Jingtai Fu
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
| | - Huasheng Lai
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
| | - Zhuomin Zhang
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China.
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36
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Jing Q, Li W, Wang J, Chen X, Pang H. Calcination activation of three-dimensional cobalt organic phosphate nanoflake assemblies for supercapacitors. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00797a] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Three-dimensional organic phosphate nanoflake assemblies were obtained by calcination activation. In the two-electrode system, 3D COP assemblies showed excellent cycle stability, and the capacity retention was 99.61% after 3000 long cycles.
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Affiliation(s)
- Qingling Jing
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Wenting Li
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Jiajing Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Xudong Chen
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
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