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Yao J, Kim C, Nian Q, Kang W. Copper-Graphene Composite (CGC) Conductors: Synthesis, Microstructure, and Electrical Performance. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403241. [PMID: 38984726 DOI: 10.1002/smll.202403241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/06/2024] [Indexed: 07/11/2024]
Abstract
Improving the electrical performance of copper, the most widely used electrical conductor in the world is of vital importance to the progress of key technologies, including electric vehicles, portable devices, renewable energy, and power grids. Copper-graphene composite (CGC) stands out as the most promising candidate for high-performance electrical conductor applications. This can be attributed to the superior properties of graphene fillers embedded in CGC, including excellent electrical and thermal conductivity, corrosion resistance, and high mechanical strength. This review highlights the recent progress of CGC conductors, including their fabrication processes, electrical performances, mechanisms of copper-graphene interplay, and potential applications.
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Affiliation(s)
- Jiali Yao
- School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ, 85287, USA
| | - Chunghwan Kim
- School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ, 85287, USA
| | - Qiong Nian
- School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ, 85287, USA
| | - Wonmo Kang
- School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ, 85287, USA
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Sun Y, Li X, Ren Z. Tailoring the ion storage of MXene by aramid nanofibers towards self-standing electrodes for flexible solid-state supercapacitors. NANOTECHNOLOGY 2024; 35:365403. [PMID: 38865983 DOI: 10.1088/1361-6528/ad5728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 06/12/2024] [Indexed: 06/14/2024]
Abstract
Two-dimensional (2D) transition metal carbides and nitrides (MXenes) are a class of 2D nanomaterials that can offer excellent properties for high-performance supercapacitors. Nevertheless, irreversible restacking of MXene sheets decreases the interlayer spacing, which inhibits the ion intercalation between the MXene nanosheets and finally deteriorates the electrochemical performance of supercapacitors. Herein, aramid nanofibers (ANFs) are mixed with Ti3C2TxMXene to prepare MXene/ANFs composite films. The restacking of MXene sheets is inhibited by the electrostatic repulsion between ANFs and MXene. The ANFs act as intercalation agents to increase the interlayer spacing of the composite films, which can improve the ion storage ability of supercapacitors. Furthermore, the ANFs enhance the mechanical strength of the composite films due to the strong hydrogen bonding interaction and nanomechanical interlocking between ANFs and MXene, endowing the composite films with self-standing property. The resultant composite films are used as electrodes for flexible solid-state supercapacitors to achieve high specific capacitance (996.5 mF cm-2at 5 mV s-1) and outstanding cycling stability. Thus, this work provides a potential strategy to regulate the properties of 2D nanomaterials, which may expand the application of them in energy storage, ionic separation, osmotic energy conversion and beyond.
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Affiliation(s)
- Yue Sun
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic of China
| | - Xingxing Li
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic of China
| | - Zihan Ren
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, People's Republic of China
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Yuan Y, Huang J, Li X, Jiang L, Li T, Sun P, Yin Y, Wang S, Cheng Q, Xu W, Qu L, Wang S. Laser-Induced Electron Synchronization Excitation for Photochemical Synthesis and Patterning Graphene-Based Electrode. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308368. [PMID: 37907333 DOI: 10.1002/adma.202308368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/20/2023] [Indexed: 11/02/2023]
Abstract
Micro-supercapacitors (MSCs) represent a pressing requirement for powering the forthcoming generation of micro-electronic devices. The simultaneous realization of high-efficiency synthesis of electrode materials and precision patterning for MSCs in a single step presents an ardent need, yet it poses a formidable challenge. Herein, a unique shaped laser-induced patterned electron synchronization excitation strategy has been put forward to photochemical synthesis RuO2 /reduced graphene oxide (rGO) electrode and simultaneously manufacture the micron-scale high-performance MSCs with ultra-high resolution. Significantly, the technique represents a noteworthy advancement over traditional laser direct writing (LDW) patterning and photoinduced synthetic electrode methods. It not only improves the processing efficiency for MSCs and the controllability of laser-induced electrode material but also enhances electric fields and potentials at the interface for better electrochemical performance. The resultant MSCs exhibit excellent area and volumetric capacitance (516 mF cm-2 and 1720 F cm-3 ), and ultrahigh energy density (0.41 Wh cm-3 ) and well-cycle stability (retaining 95% capacitance after 12000 cycles). This investigation establishes a novel avenue for electrode design and underscores substantial potential in the fabrication of diverse microelectronic devices.
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Affiliation(s)
- Yongjiu Yuan
- Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 10081, China
- Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
- Beijing Institute of Technology Chongqing Innovation Center, Chongqing, 401120, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Junhao Huang
- Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 10081, China
- Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
- Beijing Institute of Technology Chongqing Innovation Center, Chongqing, 401120, China
| | - Xin Li
- Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 10081, China
- Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
- Beijing Institute of Technology Chongqing Innovation Center, Chongqing, 401120, China
| | - Lan Jiang
- Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 10081, China
- Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
- Beijing Institute of Technology Chongqing Innovation Center, Chongqing, 401120, China
| | - Tong Li
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Pengcheng Sun
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Yingying Yin
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Sumei Wang
- Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 10081, China
- Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
- Beijing Institute of Technology Chongqing Innovation Center, Chongqing, 401120, China
| | - Qian Cheng
- Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 10081, China
- Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
- Beijing Institute of Technology Chongqing Innovation Center, Chongqing, 401120, China
| | - Wanghuai Xu
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Liangti Qu
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Steven Wang
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
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Lu YM, Hong SH. Preparation of Electrodes with β-Nickel Hydroxide/CVD-Graphene/3D-Nickel Foam Composite Structures to Enhance the Capacitance Characteristics of Supercapacitors. MATERIALS (BASEL, SWITZERLAND) 2023; 17:23. [PMID: 38203877 PMCID: PMC10779767 DOI: 10.3390/ma17010023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/01/2023] [Accepted: 12/11/2023] [Indexed: 01/12/2024]
Abstract
Supercapacitors have the characteristics of high power density, long cycle life, and fast charge and discharge rates, making them promising alternatives to traditional capacitors and batteries. The use of transition-metal compounds as electrode materials for supercapacitors has been a compelling research topic in recent years because their use can effectively enhance the electrical performance of supercapacitors. The current research on capacitor electrode materials can mainly be divided into the following three categories: carbon-based materials, metal oxides, and conductive polymers. Nickel hydroxide (Ni(OH)2) is a potential electrode material for use in supercapacitors. Depending on the preparation conditions, two crystal phases of nickel hydroxide, α and β, can be produced. When compared to α-NiOH, the structure of β-Ni(OH)2 does not experience ion intercalation. As a result, the carrier transmission rate of α-Ni(OH)2 is slower, and its specific capacitance value is smaller. Its carrier transport rate can be improved by adding conductive materials, such as graphene. β-Ni(OH)2 was chosen as an electrode material for a supercapacitor in this study. Homemade low-pressure chemical vapor deposition graphene (LPCVD-Graphene) conductive material was introduced to modify β-Ni(OH)2 in order to increase its carrier transport rate. The LPCVD method was used to grow high-quality graphene films on three-dimensional (3D) nickel foam substrates. Then, a hydrothermal synthesis method was used to grow β-Ni(OH)2 nanostructures on the 3D graphene/nickel foam substrate. In order to improve the electrical properties of the composite structure, a high-quality graphene layer was incorporated between the nickel hydroxide and the 3D nickel foam substrate. The effect of the conductive graphene layer on the growth of β-Ni(OH)2, as well as its electrical properties and electrochemical performance, was studied. When this β-Ni(OH)2/CVD-Graphene/3D-NF (nickel foam) material was used as the working electrodes of the supercapacitor under a current density of 1 A/g and 3 A/g, they exhibited a specific capacitance of 2015 F/g and 1218.9 F/g, respectively. This capacitance value is 2.62 times higher than that of the structure without modification with a graphene layer. The capacitance value remains at 99.2% even after 1000 consecutive charge and discharge cycles at a current density of 20 A/g. This value also improved compared to the structure without graphene layer modification (94.7%).
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Affiliation(s)
- Yang-Ming Lu
- Department of Electrical Engineering, National University of Tainan, Tainan 7005, Taiwan
| | - Sheng-Huai Hong
- Department of Electrical Engineering, National University of Tainan, Tainan 7005, Taiwan
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Chang SH, Meng X, Liu J, Tsai DS, Wang X, Chuang C, Chen CY, Li A. Editorial for focus on manipulations of atomic and molecular layers and its applications in energy, environment sciences and optoelectronic devices. NANOTECHNOLOGY 2023; 34:500201. [PMID: 37732948 DOI: 10.1088/1361-6528/acfbe6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 09/20/2023] [Indexed: 09/22/2023]
Abstract
This Focus aims at showcasing the significance of manipulating atomic and molecular layers for various applications. To this end, this Focus collects 15 original research papers featuring the applications of atomic layer deposition, chemical vapor deposition, wet chemistry, and some other methods for manipulations of atomic and molecular layers in lithium-ion batteries, supercapacitors, catalysis, field-effect transistors, optoelectronics, and others.
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Affiliation(s)
- Sheng Hsiung Chang
- Department of Physics, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| | - Xiangbo Meng
- Department of Mechanical Engineering, University of Arkansas, AR 72701, United States of America
| | - Jian Liu
- School of Engineering, Faculty of Applied Science, University of British Columbia, Kelowna, V1V1 1V7, Canada
| | - Dung-Sheng Tsai
- Department of Electronic Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| | - Xinwei Wang
- School of Advanced Materials, Shenzhen Graduate School, Peking University, Shenzhen 518055, People's Republic of China
| | - Chiashain Chuang
- Department of Electronic Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| | - Cheng-Ying Chen
- Department of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Aidong Li
- Materials Science and Engineering Department, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, People's Republic of China
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Chu HI, Ho HY, Huang YJ, Tsai DS, Lee CP. Synthesis of non-planar graphene-wrapped copper nanoparticles with iron(III) oxide decoration for high performance supercapacitors. NANOTECHNOLOGY 2023; 34:285401. [PMID: 37019102 DOI: 10.1088/1361-6528/acca8a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 04/05/2023] [Indexed: 06/19/2023]
Abstract
The performance of supercapacitors strongly depends on the electrochemical characterizations of electrode materials. Herein, a composite material consisted of iron(III) oxide (Fe2O3) and multilayer graphene-wrapped copper nanoparticles (Fe2O3/MLG-Cu NPs) is fabricated on a flexible carbon cloth (CC) substrate via two-step synthesis process for supercapacitor application. Where, MLG-Cu NPs are prepared on CC by one-step chemical vapor deposition synthesis approach; thereafter, the Fe2O3is further deposited on the MLG-Cu NPs/CC via successive ionic layer adsorption and reaction method. The related material characterizations of Fe2O3/MLG-Cu NPs are well investigated by scanning electron microscopic, high resolution transmission electron microscopy), Raman spectrometer and X-ray photoelectron spectroscopy; the electrochemical behaviors of the pertinent electrodes are studied by cyclic voltammogram, galvanostatic charge/discharge (GCD) and electrochemical impedance spectroscopy measurements. The flexible electrode with Fe2O3/MLG-Cu NPs composites exhibits the best specific capacitance of 1092.6 mF cm-2at 1 A g-1, which is much higher than those of electrodes with Fe2O3(863.7 mF cm-2), MLG-Cu NPs (257.4 mF cm-2), multilayer graphene hollow balls (MLGHBs, 14.4 mF cm-2) and Fe2O3/MLGHBs (287.2 mF cm-2). Fe2O3/MLG-Cu NPs electrode also exhibits an excellent GCD durability, and its capacitance remains 88% of its original value after 5000 cycles of the GCD process. Finally, a supercapacitor system consisted of four Fe2O3/MLG-Cu NPs/CC electrodes can efficiently power various light-emitting diodes (i.e. red, yellow, green, and blue lights), demonstrating the practical application of Fe2O3/MLG-Cu NPs/CC electrode.
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Affiliation(s)
- Hsuan-I Chu
- Department of Applied Physics and Chemistry, University of Taipei, Taipei 10048, Taiwan
| | - Hsiao-Yun Ho
- Department of Applied Physics and Chemistry, University of Taipei, Taipei 10048, Taiwan
| | - Yi-June Huang
- Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, United States of America
| | - Dung-Sheng Tsai
- Department of Electronic Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| | - Chuan-Pei Lee
- Department of Applied Physics and Chemistry, University of Taipei, Taipei 10048, Taiwan
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He T, He S, Muslim A. The capacitance characteristics of polybenzidine-based donor-acceptor conductive conjugated polymer electrodes enhanced by structural modification and carbon cloth loading. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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