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Journal articles on the topic 'Flexible supercapacitors'

Author: Grafiati

Published: 19 October 2024

Last updated: 31 July 2025

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1

Ren, Zhi Meng, Jian Yu Di, Zhen Kun Lei, and Rui Mao. "Fabrication and Performance Test of Flexible Supercapacitors Based on Three-Dimensional Graphene Hydrogel." Materials Science Forum 1058 (April 5, 2022): 45–50. http://dx.doi.org/10.4028/p-3juu45.

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Flexible supercapacitors have attracted more and more attention and research because they can be used as energy storage devices for future flexible electronic devices. In the existing research, graphene has been used to make supercapacitor electrodes, but usually these electrodes have very low specific capacitance or flexibility. Here, a three-dimensional graphene hydrogel for the fabrication of flexible supercapacitors was presented, and the preparation of flexible supercapacitors based on three-dimensional graphene hydrogels was given. Through the research, we find that the prepared flexible

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2

Li, Jing, Tongtong Xiao, Xiaoxi Yu, and Mingyuan Wang. "Graphene-based composites for supercapacitors." Journal of Physics: Conference Series 2393, no. 1 (2022): 012005. http://dx.doi.org/10.1088/1742-6596/2393/1/012005.

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Abstract Smart devices that are portable and wearable have advanced significantly over the years. Further research on compatible storage devices with tiny, light and flexible properties is required to make wearable electronic devices more versatile, lightweight, smart, and commercially viable. Because of their advantages of having a high-power density, long cycle longevity, superior mechanical strength, good safety, and ease of assembly, supercapacitors have sparked a great deal of interest. Nevertheless, if the conventional supercapacitor is distorted by an external force, the power storage q

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3

Wu, Pengwen. "A Flexible Supercapacitor Made of Ni-doped ZnMn2O4 with a High Specific Surface Area." Applied and Computational Engineering 140, no. 1 (2025): 156–63. https://doi.org/10.54254/2755-2721/2025.21786.

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Flexible supercapacitors with excellent electrochemical performance and flexible portability have a wide range of application scenarios and development potential. The electrochemical performance of asymmetric supercapacitors is more excellent and stable than that of conventional supercapacitors. A quasi-solid Zn-MnO2 flexible supercapacitor is reported in this paper. High surface area spinel ZnMn2O4 (ZMO) was prepared by rapid reaction of ternary deep eutectic solvent and potassium permanganate, and then ZMO with different Ni doping ratio was prepared by hydrothermal reaction. ZMO/CC is prepar

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4

Lee, Jung Bae, Jina Jang, Haoyu Zhou, Yoonjae Lee, and Jung Bin In. "Densified Laser-Induced Graphene for Flexible Microsupercapacitors." Energies 13, no. 24 (2020): 6567. http://dx.doi.org/10.3390/en13246567.

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Microsupercapacitors have attracted significant attention due to several of their advantageous characteristics such as lightweight, small volume, and planar structure that is favorable for high mechanical flexibility. Among the various micro supercapacitor forms, those with laser-induced graphene (LIG) electrodes are promising as flexible energy storage devices. While LIG microelectrodes can be fabricated simply by direct laser writing, the capacitance and energy density of these devices are limited because of the relatively low density of LIG, which leads to low surface areas. These limitatio

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Qin, Leiqiang, Jianxia Jiang, Quanzheng Tao, et al. "A flexible semitransparent photovoltaic supercapacitor based on water-processed MXene electrodes." Journal of Materials Chemistry A 8, no. 11 (2020): 5467–75. http://dx.doi.org/10.1039/d0ta00687d.

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MXene based all-solution processed semitransparent flexible photovoltaic supercapacitor was fabricated by integrating the flexible organic photovoltaic with MXene as the electrode and transparent MXene supercapacitors in the vertical direction.

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6

Tadesse, Melkie Getnet, and Jörn Felix Lübben. "Review on Hydrogel-Based Flexible Supercapacitors for Wearable Applications." Gels 9, no. 2 (2023): 106. http://dx.doi.org/10.3390/gels9020106.

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Smart hydrogels with high electrical conductivity, which can be a real source of power while also collecting and storing the diverse sources of energy with ultrahigh stretchability, strong self-healability, low-temperature tolerance, and excellent mechanical properties, are great value for tailored wearable cloths. Considerable effort has been dedicated in both scientific and technological developments of electroconductive hydrogels for supercapacitor applications in the past few decades. The key to realize those functionalities depends on the processing of hydrogels with desirable electrochem

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7

Pour, Ghobad Behzadi, Hassan Ashourifar, Leila Fekri Aval, and Shahram Solaymani. "CNTs-Supercapacitors: A Review of Electrode Nanocomposites Based on CNTs, Graphene, Metals, and Polymers." Symmetry 15, no. 6 (2023): 1179. http://dx.doi.org/10.3390/sym15061179.

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Carbon nanotubes (CNTs), due to mechanical, electrical, and surface area properties and their ability to adapt to different nanocomposite structures, are very substantial in supercapacitor electrodes. In this review, we have summarized high-performance, flexible, and symmetry CNT supercapacitors based on the CNTs/graphene, CNTs/metal, and CNTs/polymer electrodes. To present recent developments in CNT supercapacitors, we discuss the performance of supercapacitors based on electrical properties such as specific capacitance (SC), power and energy densities, and capacitance retention (CR). The com

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8

Tadesse, Melkie Getnet, Esubalew Kasaw, Biruk Fentahun, Emil Loghin, and Jörn Felix Lübben. "Banana Peel and Conductive Polymers-Based Flexible Supercapacitors for Energy Harvesting and Storage." Energies 15, no. 7 (2022): 2471. http://dx.doi.org/10.3390/en15072471.

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Flexible supercapacitors are highly demanding due to their wearability, washability, lightweight property and rollability. In this paper, a comprehensive review on flexible supercapacitors based on conductive polymers such as polypyrrole (PPy), polyaniline (PANI) and poly(3,4-ethylenedioxtthiophne)-polystyrene sulfonate (PEDOT:PSS). Methods of enhancing the conductivity of PEDOT:PSS polymer using various composites and chemical solutions have been reviewed in detail. Furthermore, supercapacitors based on carbonized banana peels and methods of activation have been discussed in point. This revie

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9

Sembiring, Albert Willy Jonathan, and Afriyanti Sumboja. "Composite of graphene and in-situ polymerized polyaniline on carbon cloth substrate for flexible supercapacitor." Journal of Physics: Conference Series 2243, no. 1 (2022): 012105. http://dx.doi.org/10.1088/1742-6596/2243/1/012105.

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Abstract Flexible and lightweight energy storage is required for powering wearable electronic devices. Among the developed energy storage devices, supercapacitors have gained much interest as energy storage for wearable applications through their long cycle life and high power density. This work presents a flexible supercapacitor based on carbon cloth coated with graphene/polyaniline nanocomposite. Graphene/polyaniline nanocomposite is adopted as active material due to its high stability and the synergistic feature of pseudocapacitive and electrical double layer capacitance. The nanocomposite

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10

Lu, Yang, Weixiao Wang, Yange Wang, et al. "Ultralight supercapacitors utilizing waste cotton pads for wearable energy storage." Dalton Transactions 47, no. 46 (2018): 16684–95. http://dx.doi.org/10.1039/c8dt03997f.

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Ultralight, flexible and renewable supercapacitors based on MnO<sub>2</sub> nanosheets strongly coupled with a PPy layer coated on discarded cotton pads as electrodes have been developed. The flexible supercapacitor is ready for a potential application in wearable energy storage systems.

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11

Shi, Shan, Chengjun Xu, Cheng Yang, et al. "Flexible supercapacitors." Particuology 11, no. 4 (2013): 371–77. http://dx.doi.org/10.1016/j.partic.2012.12.004.

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12

Du, Yongquan, Peng Xiao, Jian Yuan, and Jianwen Chen. "Research Progress of Graphene-Based Materials on Flexible Supercapacitors." Coatings 10, no. 9 (2020): 892. http://dx.doi.org/10.3390/coatings10090892.

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With the development of wearable and flexible electronic devices, there is an increasing demand for new types of flexible energy storage power supplies. The flexible supercapacitor has the advantages of fast charging and discharging, high power density, long cycle life, good flexibility, and bendability. Therefore, it exhibits great potential for use in flexible electronics. In flexible supercapacitors, graphene materials are often used as electrode materials due to the advantages of their high specific surface area, high conductivity, good mechanical properties, etc. In this review, the class

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13

Kurra, Narendra, S. Kiruthika, and Giridhar U. Kulkarni. "Solution processed sun baked electrode material for flexible supercapacitors." RSC Adv. 4, no. 39 (2014): 20281–89. http://dx.doi.org/10.1039/c4ra02934h.

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Pd hexadecylthiolate decomposes under sunlight leading to a conducting nanocrystalline Pd–carbon composite. Thus formed films serve as supercapacitor electrodes. The organic precursor enables the fabrication of micro-supercapacitors using e-beam lithography.

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14

Seo, Wonbin, Dongwoo Kim, Shihyeong Kim, and Habeom Lee. "Electrodeposition of the MnO2 on the Ag/Au Core–Shell Nanowire and Its Application to the Flexible Supercapacitor." Materials 14, no. 14 (2021): 3934. http://dx.doi.org/10.3390/ma14143934.

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Supercapacitors have received considerable attention as energy storage devices owing to their high power density, fast charge/discharge rate, and long cyclic life. Especially with an increasing demand for flexible and wearable devices, research on flexible supercapacitors has surged in recent years. The silver nanowire (Ag NW) network has been used as a flexible electrode owing to its excellent mechanical and electrical properties; however, its use as an electrode for flexible supercapacitors has been limited due to insufficient electrochemical stability. In this study, we proposed a method to

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15

Vashishth, Ekta. "Biomass Derived Flexible Free-Standing Electrodes for a High Performance Supercapacitor." ECS Meeting Abstracts MA2023-02, no. 1 (2023): 21. http://dx.doi.org/10.1149/ma2023-02121mtgabs.

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Global energy demand, the depletion of fossil fuels, and environmental deterioration have spurred a search for significant improvements in energy conversion and storage. The need for efficient methods of electrical energy storage for on-demand use is critical. Batteries and supercapacitors (SCs) are two of the main energy-storing technologies. SCs and batteries are frequently used in everyday items like smartphones, wearable electronics, electric cars, and portable electronic devices. Supercapacitors (SCs) continue to generate a lot of attention due to their higher energy storage capacity than

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16

Li, Li, Chen Chen, Jing Xie, Zehuai Shao, and Fuxin Yang. "The Preparation of Carbon Nanotube/MnO2Composite Fiber and Its Application to Flexible Micro-Supercapacitor." Journal of Nanomaterials 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/821071.

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In recent years, flexible electronic devices pursued for potential applications. The design and the fabrication of a novel flexible nanoarchitecture by coating electrical conductive MWCNT fiber with ultrathin films of MnO2to achieve high specific capacitance, for micro-supercapacitors electrode applications, are demonstrated here. The MWCNT/MnO2composite fiber electrode was prepared by the electrochemical deposition which was carried out through using two different methods: cyclic voltammetry and potentiostatic methods. The cyclic voltammetry method can get “crumpled paper ball” morphology MnO

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17

Wang, Xiaonan, Peiquan Xu, Pengyu Zhang, and Shuyue Ma. "Preparation of Electrode Materials Based on Carbon Cloth via Hydrothermal Method and Their Application in Supercapacitors." Materials 14, no. 23 (2021): 7148. http://dx.doi.org/10.3390/ma14237148.

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Supercapacitors have the unique advantages of high power density, fast charge and discharge rates, long cycle life, high safety, and reliability, and are increasingly being used for applications including automobiles, rail transit, communication equipment, digital electronics, and aerospace equipment. The supercapacitor industry is currently in a stage of rapid development; great breakthroughs have also been made in improving the performance of supercapacitors and the expansion of their application. Electrode technology is the core of supercapacitors. Transition-metal compounds have a relative

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18

Qiu, Fulian, and David Harrison. "Multilayer supercapacitor threads for woven flexible circuits." Circuit World 41, no. 4 (2015): 154–60. http://dx.doi.org/10.1108/cw-04-2015-0018.

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Purpose – Wearable electronic devices have emerged which require compact, flexible power storage devices such as batteries and supercapacitors. Recently, energy storage devices have been developed based on supercapacitor threads. However, current supercapacitor energy storage threads which use electrolytes based on aqueous gels have a 1 V potential window. This is much lower than the voltage required by most electronic devices. This current contribution presents an approach for fabricating a multilayer supercapacitor working as a circuit unit, in which series combinations of the multiple layer

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19

Yong, Sheng, Nicholas Hiller, Kai Yang, and Stephen Beeby. "Integrated Flexible Textile Supercapacitor Fabricated in a Polyester-Cotton Fabric." Proceedings 32, no. 1 (2019): 15. http://dx.doi.org/10.3390/proceedings2019032015.

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This paper reports the design fabrication and characterization of a flexible supercapacitor fabricated in a single layer of polyester-cotton fabric. The fabric and flexible supercapacitors were implemented with spray coated inexpensive carbon electrodes and low hazardous ionic liquid electrolyte. The encapsulated devices demonstrated an area capacitance of 20.6 mF·cm−2.

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20

Aadil, Muhammad, Anmar Ghanim Taki, Sonia Zulfiqar, et al. "Gadolinium doped zinc ferrite nanoarchitecture reinforced with a carbonaceous matrix: a novel hybrid material for next-generation flexible capacitors." RSC Advances 13, no. 40 (2023): 28063–75. http://dx.doi.org/10.1039/d3ra05290g.

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Gd-doped and CNT-reinforced electroactive material was supported on Al-foil to form flexible electrodes for supercapacitors. The hybrid material showed excellent electrochemical activities beneficial for next-generation supercapacitor applications.

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21

Yong, Sheng, Stephen Beeby, and Kai Yang. "Flexible Supercapacitor Fabricated on a Polyester-Cotton Textile." Proceedings 68, no. 1 (2021): 7. http://dx.doi.org/10.3390/proceedings2021068007.

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This paper reports the design, fabrication and characterization of a flexible supercapacitor on top of a polyester-cotton textile. The textile-based, flexible supercapacitors were implemented with inexpensive screen-printed carbon black electrodes, an integrated polymer separator and a nonhazardous organic electrolyte. The encapsulated devices demonstrated area capacitance of 0.54 mF·cm−2.

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22

Yong, Sheng, Stephen Beeby, and Kai Yang. "Flexible Supercapacitor Fabricated on a Polyester-Cotton Textile." Proceedings 68, no. 1 (2021): 7. http://dx.doi.org/10.3390/proceedings2021068007.

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This paper reports the design, fabrication and characterization of a flexible supercapacitor on top of a polyester-cotton textile. The textile-based, flexible supercapacitors were implemented with inexpensive screen-printed carbon black electrodes, an integrated polymer separator and a nonhazardous organic electrolyte. The encapsulated devices demonstrated area capacitance of 0.54 mF·cm−2.

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23

Hui, Chi-yuen, Chi-wai Kan, Chee-leung Mak, and Kam-hong Chau. "Flexible Energy Storage System—An Introductory Review of Textile-Based Flexible Supercapacitors." Processes 7, no. 12 (2019): 922. http://dx.doi.org/10.3390/pr7120922.

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Recently, researchers have become interested in exploring applications of rechargeable battery storage technology in different disciplines, which can help our daily life, such as textile-based supercapacitors. This paper briefly describes this development and classification of supercapacitors. Besides, various types of materials which are commonly used to prepare supercapacitors, such as carbons, metal oxides, alkaline earth metal salts and polymers, are introduced. Moreover, applications and methodology to prepare textile materials with supercapacitors are described. Finally, the commonly use

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24

Chen, Qiao, Xinming Li, Xiaobei Zang, et al. "Effect of different gel electrolytes on graphene-based solid-state supercapacitors." RSC Adv. 4, no. 68 (2014): 36253–56. http://dx.doi.org/10.1039/c4ra05553e.

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Flexible all-solid-state supercapacitors based on graphene films with different gel electrolytes are demonstrated. During the bending and cycling of graphene-based solid-state supercapacitor, the stability was maintained without sacrificing the electrochemical performance.

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25

Liu, Ruixue, Wenkang Liu, Jichao Chen, et al. "Acrylate Copolymer-Reinforced Hydrogel Electrolyte for Strain Sensors and Flexible Supercapacitors." Batteries 9, no. 6 (2023): 304. http://dx.doi.org/10.3390/batteries9060304.

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Ionic conductive hydrogels with good conductivity and biocompatibility have become one of the research highlights in the field of wearable flexible sensors and supercapacitors. In this work, poly(methacrylic acid–methyl methacrylate)-reinforced poly(sodium acrylate–vinyl phosphonic acid) composite hydrogels (P(AAS-VPA)/PMMS) were designed and tested for strain sensor or supercapacitor applications. The results showed recoverability for 20 cycles of tension and compression experiments, an excellent breaking strain of 2079%, and ionic conductivity of 0.045 S·cm−1, demonstrating strong support fo

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26

Wu, Zhangfeng, Qili Sun, Xusong Huang, Mengxiang Zeng, Yicheng Wu, and Haiyan Fu. "Cross channel between ordinary supercapacitors and flexible supercapacitors - A flexible supercapacitor based on carbon fiber felt framework." Journal of Energy Storage 103 (December 2024): 114190. http://dx.doi.org/10.1016/j.est.2024.114190.

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27

Sung, Joo-Hwan, Se-Joon Kim, Soo-Hwan Jeong, Eun-Ha Kim, and Kun-Hong Lee. "Flexible micro-supercapacitors." Journal of Power Sources 162, no. 2 (2006): 1467–70. http://dx.doi.org/10.1016/j.jpowsour.2006.07.073.

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28

Tang, Can, Yang Tang, Junjie Yang, Wenjie Li, Songxiang Liu, and Jinping Yan. "Research on the Application of a MnO2-Based Flexible Supercapacitor in AC Filtering." Journal of Electronic Research and Application 9, no. 2 (2025): 294–301. https://doi.org/10.26689/jera.v9i2.10095.

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Aluminum electrolyte capacitors (AEC) are widely used in AC filtering as traditional filter capacitors. However, their strong rigidity, high hardness, and high-risk factor have hindered the flexible development of filter capacitors. Flexible supercapacitors, due to their high energy density and outstanding cycle stability, are becoming one of the main directions for the development of filter capacitors in the future. This paper self-assembles a MnO2-based flexible supercapacitor with high area capacitance and fast frequency response, and preliminarily verifies the feasibility of using the capa

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Javaid, A., KKC Ho, A. Bismarck, JHG Steinke, MSP Shaffer, and ES Greenhalgh. "Improving the multifunctional behaviour of structural supercapacitors by incorporating chemically activated carbon fibres and mesoporous silica particles as reinforcement." Journal of Composite Materials 52, no. 22 (2018): 3085–97. http://dx.doi.org/10.1177/0021998318761216.

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Novel structural supercapacitors have been fabricated which can simultaneously carry mechanical loads as well as store electrochemical energy. Structural supercapacitors are fabricated by impregnating activated carbon fibre mat electrodes and glass fibre mat separator with crosslinked polymer electrolytes using the resin infusion under flexible tooling method. Mesoporous silica particles are also used as reinforcements to further improve the electrochemical and mechanical performance of structural supercapacitors. The fabricated structural supercapacitors have been characterised through chrono

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Kumar, Prajwal, Eduardo Di Mauro, Shiming Zhang, et al. "Melanin-based flexible supercapacitors." Journal of Materials Chemistry C 4, no. 40 (2016): 9516–25. http://dx.doi.org/10.1039/c6tc03739a.

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Biocompatible and biodegradable materials that store electrochemical energy are attractive candidates for applications in bioelectronics and electronics for everywhere. We report on the discovery of the energy storage properties of the pigment melanin in supercapacitors and flexible micro-supercapacitors.

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Zhang, Jianfeng, Mujun Chen, Yunwang Ge, and Qi Liu. "Manganese Oxide on Carbon Fabric for Flexible Supercapacitors." Journal of Nanomaterials 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/2870761.

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We report the fabrication of uniform large-area manganese oxide (MnO2) nanosheets on carbon fabric which oxidized using O2plasma treatment (MnO2/O2-carbon fabric) via electrodeposition process and their implementation as supercapacitor electrodes. Electrochemical measurements demonstrated that MnO2/O2-carbon fabric exhibited capacitance as high as 275 F/g at a scan rate of 5 mV/s; in addition, it showed an excellent cycling performance (less than 20% capacitance loss after 10,000 cycles). All the results suggest that MnO2/O2-carbon fabric is a promising electrode material which has great poten

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Hao, Yu-Chuan, Nurzal Nurzal, Hung-Hua Chien, et al. "Application of Atmospheric-Pressure-Plasma-Jet Modified Flexible Graphite Sheets in Reduced-Graphene-Oxide/Polyaniline Supercapacitors." Polymers 12, no. 6 (2020): 1228. http://dx.doi.org/10.3390/polym12061228.

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In this study, flexible and low-cost graphite sheets modified by atmospheric pressure plasma jet are applied to reduced-graphene-oxide/polyaniline supercapacitors. Surface treatment by atmospheric pressure plasma jet can make the hydrophobic surface of graphite into a hydrophilic surface and improve the adhesion of the screen-printed reduced-graphene-oxide/polyaniline on the graphite sheets. After the fabrication of reduced-graphene-oxide/polyaniline supercapacitors with polyvinyl alcohol/H2SO4 gel electrolyte, pseudo-capacitance and electrical double capacitance can be clearly identified by t

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Deepak, Nav, Arun Kumar, Shobha Shukla, and Sumit Saxena. "Multi-Parameter Optimization of Siloxene-PANI Composites for High-Performance and Flexible Energy Storage Application." ECS Meeting Abstracts MA2023-02, no. 1 (2023): 9. http://dx.doi.org/10.1149/ma2023-0219mtgabs.

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The development of high-performance energy storage devices is crucial for various applications, such as electric vehicles, portable electronics, and renewable energy systems. Supercapacitors have emerged as a promising technology due to their high power density and long cycle life. However, their low energy density has limited their widespread application. To address this limitation, researchers have been exploring various strategies, including the use of new electrode materials and optimized electrode design. In this study, a high-energy-density energy storage device was developed using a com

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Zheng, Bingna, Tieqi Huang, Liang Kou, Xiaoli Zhao, Karthikeyan Gopalsamy, and Chao Gao. "Graphene fiber-based asymmetric micro-supercapacitors." J. Mater. Chem. A 2, no. 25 (2014): 9736–43. http://dx.doi.org/10.1039/c4ta01868k.

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Fiber-based asymmetric micro-supercapacitor (F-asym-mSC) is assembled by core–sheath graphene fiber decorated by MnO<sub>2</sub>as the positive electrode and graphene-carbon nanotubes hybrid fiber as the negative electrode. The F-asym-mSC shows the highest energy density (11.9 μWh cm<sup>−2</sup>) for fiber-based supercapacitors and paves the way to high energy density, wearable, and flexible electronic devices.

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Han, Yurim, Heebo Ha, Chunghyeon Choi, et al. "Review of Flexible Supercapacitors Using Carbon Nanotube-Based Electrodes." Applied Sciences 13, no. 5 (2023): 3290. http://dx.doi.org/10.3390/app13053290.

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Carbon nanotube (CNT)-based electrodes in flexible supercapacitors have received significant attention in recent years. Carbon nanotube fiber fabrics (CNT-FF) have emerged as promising materials due to their high surface area, excellent conductivity, and mechanical strength. Researchers have attempted to improve the energy density and rate performance of CNT-FF supercapacitor electrodes through various strategies, such as functionalization with conductive materials like MnO2 nanoparticles and/or incorporation of graphene into them. In addition, the utilization of CNTs in combination with thin

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36

Jin, Guimei, Zhiyuan Duan, Zhiwei Dong, and Qihang Zhou. "Solid-state supercapacitors based on different electrolytes: structural characteristics and comparative performance." Journal of Physics: Conference Series 2855, no. 1 (2024): 012009. http://dx.doi.org/10.1088/1742-6596/2855/1/012009.

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Abstract Solid-state supercapacitors bring huge potential for the next generation of energy storage systems and are especially significant for portable and wearable electronic devices, medical equipment, and smart textiles. This paper provides a concise overview of the device mechanism while discussing the developing status of solid-state supercapacitor electrolytes. The performance evaluation of solid-state supercapacitors is reviewed and compared based on their energy storage characteristics and electrode types (e.g., freestanding, fibre-based, and flexible), followed by an exploration of fu

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37

Sagu, Jagdeep S., Nicola York, Darren Southee, and K. G. U. Wijayantha. "Printed electrodes for flexible, light-weight solid-state supercapacitors – a feasibility study." Circuit World 41, no. 2 (2015): 80–86. http://dx.doi.org/10.1108/cw-01-2015-0004.

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Purpose – The purpose of this paper is to report on the feasibility of the manufacture of printed rechargeable power sources incorporating, in the first instance, electrode structures from the previous study, and moving on to improved electrode structures fabricated, via flexographic printing, using commercially available inks. It has been shown previously that offset lithography, a common printing technique, can be used to make electrodes for energy storage devices such as primary cells. Design/methodology/approach – A pair of the original Ag/C electrodes, printed via offset lithography, were

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Shao, Yuanlong, Jianmin Li, Yaogang Li, Hongzhi Wang, Qinghong Zhang, and Richard B. Kaner. "Flexible quasi-solid-state planar micro-supercapacitor based on cellular graphene films." Mater. Horiz. 4, no. 6 (2017): 1145–50. http://dx.doi.org/10.1039/c7mh00441a.

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Quasi-solid-state micro-supercapacitors with cellular graphene film as the active material and polyvinyl alcohol/H<sub>3</sub>PO<sub>4</sub>as the gel electrolyte have been fabricated. The 3D porous graphene films not only serve as high performance supercapacitor electrodes, but also provide an abundant ion reservoir for the gel electrolyte.

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Dai, Shuge, Hengyu Guo, Mingjun Wang, et al. "A Flexible micro-supercapacitor based on a pen ink-carbon fiber thread." J. Mater. Chem. A 2, no. 46 (2014): 19665–69. http://dx.doi.org/10.1039/c4ta03442b.

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A highly flexible micro-supercapacitor based on a pen ink-carbon-fiber thread structure is fabricated with excellent characteristics of lightweight, small volume, flexibility and portability. By integrating with a triboelectric nanogenarator, the micro-supercapacitors are charged and used to power LEDs, demonstrating its feasibility as an efficient storage component for self-powered micro/nanosystems.

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Kim, Inkyum, Su Thiri San, Avinash C. Mendhe, Suprimkumar D. Dhas, Seung-Bae Jeon, and Daewon Kim. "Rheological and Electrochemical Properties of Biodegradable Chia Mucilage Gel Electrolyte Applied to Supercapacitor." Batteries 9, no. 10 (2023): 512. http://dx.doi.org/10.3390/batteries9100512.

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The flexible energy storage device of high demand in wearable and portable electronics. Flexible supercapacitors have benefits over flexible batteries, and their development relies on the use of flexible components. Gel polymer electrolytes have the merits of liquid and solid electrolytes and are used in flexible devices. In this study, a gel derived from chia seed was used as a flexible electrolyte material, and its rheological, thermal, and electrochemical properties were investigated. High thermal stability and shear thinning behavior were observed via the electrolyte state of the chia muci

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Mokrani, Zahra, Adel Oubelaid, Djamila Rekioua, Toufik Rekioua, Shwetank Avikal, and Mohit Bajaj. "Enhanced Energy Management Strategy for Standalone Systems Integrating Fuel Cells, Batteries, and Supercapacitors." E3S Web of Conferences 564 (2024): 08001. http://dx.doi.org/10.1051/e3sconf/202456408001.

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Hybrid systems combining fuel cells with battery and supercapacitor storage offer a promising solution for efficient and flexible energy management. Fuel cells, which convert chemical energy into electrical energy, provide a clean and sustainable power source but face challenges like slow response times and limited power density. Integrating batteries and supercapacitors addresses these issues: batteries offer high energy density and stable power supply over longer durations, while supercapacitors deliver rapid bursts of energy and quick charge-discharge cycles. Effective power management in h

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Jang, Seohyeon, Jihyeon Kang, Soyul Kwak, Myeong-Lok Seol, M. Meyyappan, and Inho Nam. "Methodologies for Fabricating Flexible Supercapacitors." Micromachines 12, no. 2 (2021): 163. http://dx.doi.org/10.3390/mi12020163.

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The spread of wearable and flexible electronics devices has been accelerating in recent years for a wide range of applications. Development of an appropriate flexible power source to operate these flexible devices is a key challenge. Supercapacitors are attractive for powering portable lightweight consumer devices due to their long cycle stability, fast charge-discharge cycle, outstanding power density, wide operating temperatures and safety. Much effort has been devoted to ensure high mechanical and electrochemical stability upon bending, folding or stretching and to develop flexible electrod

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Forouzandeh, Parnia, Vignesh Kumaravel, and Suresh C. Pillai. "Electrode Materials for Supercapacitors: A Review of Recent Advances." Catalysts 10, no. 9 (2020): 969. http://dx.doi.org/10.3390/catal10090969.

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The advanced electrochemical properties, such as high energy density, fast charge–discharge rates, excellent cyclic stability, and specific capacitance, make supercapacitor a fascinating electronic device. During recent decades, a significant amount of research has been dedicated to enhancing the electrochemical performance of the supercapacitors through the development of novel electrode materials. In addition to highlighting the charge storage mechanism of the three main categories of supercapacitors, including the electric double-layer capacitors (EDLCs), pseudocapacitors, and the hybrid su

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Li, Qi, Michael Horn, Yinong Wang, Jennifer MacLeod, Nunzio Motta, and Jinzhang Liu. "A Review of Supercapacitors Based on Graphene and Redox-Active Organic Materials." Materials 12, no. 5 (2019): 703. http://dx.doi.org/10.3390/ma12050703.

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Supercapacitors are a highly promising class of energy storage devices due to their high power density and long life cycle. Conducting polymers (CPs) and organic molecules are potential candidates for improving supercapacitor electrodes due to their low cost, large specific pseudocapacitance and facile synthesis methods. Graphene, with its unique two-dimensional structure, shows high electrical conductivity, large specific surface area and outstanding mechanical properties, which makes it an excellent material for lithium ion batteries, fuel cells and supercapacitors. The combination of CPs an

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He, Qi, and Xiang Wu. "Ni3S2@NiMo-LDH Composite for Flexible Hybrid Capacitors." Batteries 10, no. 7 (2024): 230. http://dx.doi.org/10.3390/batteries10070230.

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Ni3S2 is a kind of transition metal sulfide (TMD) with excellent electrical conductivity and electrochemical activity. To further enhance the specific capacity of Ni3S2-based supercapacitors, we synthesize several nanosheet-decorated Ni3S2@NiMo-LDH nanostructures by a combination of hydrothermal and electrodeposition processes. The mesoporous structure provides a large number of electroactive sites, which shortens the charge transfer distance and increases the specific surface area of electrode materials. The assembled asymmetric supercapacitor shows an energy density of 62.8 W h kg−1 at 2701.

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Jellett, Cameron, Kalyan Ghosh, Michelle P. Browne, Veronika Urbanová, and Martin Pumera. "Flexible Graphite−Poly(Lactic Acid) Composite Films as Large-Area Conductive Electrodes for Energy Applications." ACS Applied Energy Materials 4, no. 7 (2021): 6975–81. https://doi.org/10.1021/acsaem.1c01047.

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For industrial-scale electrochemical applications of renewable energy routes such as electrochemical water splitting or supercapacitors, there is a huge need for flexible, durable, and large-area electrodes. In this study, flexible and conductive poly(lactic acid)/ graphite composite films, with a high mass percentage (&sim;64%) of conductive graphitic material, are prepared without specialized equipment and can be used as stable electrodes in aqueous solutions. These films can be used as a substrate for the hydrogen evolution reaction, which is demonstrated in this study by spray coating with

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Hu, Wenxin, Ruifang Xiang, Jiaxian Lin, Yu Cheng, and Chunhong Lu. "Lignocellulosic Biomass-Derived Carbon Electrodes for Flexible Supercapacitors: An Overview." Materials 14, no. 16 (2021): 4571. http://dx.doi.org/10.3390/ma14164571.

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With the increasing demand for high-performance electronic devices in smart textiles, various types of flexible/wearable electronic device (i.e., supercapacitors, batteries, fuel cells, etc.) have emerged regularly. As one of the most promising wearable devices, flexible supercapacitors from a variety of electrode materials have been developed. In particular, carbon materials from lignocellulosic biomass precursor have the characteristics of low cost, natural abundance, high specific surface area, excellent electrochemical stability, etc. Moreover, their chemical structures usually contain a l

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Zhang, Ye, and Rajesh Rajamani. "High-voltage thin-film supercapacitor with nano-structured electrodes and novel architecture." TECHNOLOGY 04, no. 01 (2016): 55–59. http://dx.doi.org/10.1142/s2339547816200016.

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With increasing interest in wearable sensors and electronics, there is an increasing need for thin-film electrical energy storage devices such as flexible solid state supercapacitors. A thin solid state multi-cell supercapacitor of high operating voltage and high areal energy density that utilizes a graphene and carbon nanotube (CNT) composite for electrodes is presented. The supercapacitor can be fabricated with just wet coating and laser reduction processes which can be easily scaled to make larger devices.

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Ray, Apurba, Delale Korkut, and Bilge Saruhan. "Efficient Flexible All-Solid Supercapacitors with Direct Sputter-Grown Needle-Like Mn/MnOx@Graphite-Foil Electrodes and PPC-Embedded Ionic Electrolytes." Nanomaterials 10, no. 9 (2020): 1768. http://dx.doi.org/10.3390/nano10091768.

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Recent critical issues regarding next-generation energy storage systems concern the cost-effective production of lightweight, safe and flexible supercapacitors yielding high performances, such as high energy and power densities as well as a long cycle life. Thus, current research efforts are concentrated on the development of high-performance advance electrode materials with high capacitance and excellent stability and solid electrolytes that confer flexibility and safety features. In this work, emphasis is placed on the binder-free, needle-like nanostructured Mn/MnOx layers grown onto graphit

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Mladenova, Borislava, Mariela Dimitrova, and Antonia Stoyanova. "MnO2/AgNPs Composite as Flexible Electrode Material for Solid-State Hybrid Supercapacitor." Batteries 10, no. 4 (2024): 122. http://dx.doi.org/10.3390/batteries10040122.

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A MnO2/AgNP nanocomposite was synthesized using a sonochemical method and investigated as an electrode material in a solid-state hybrid supercapacitor. Aquivion’s sodium and lithium electrolyte membrane serves as an electrolyte and separator. For comparison, MnO2 was used as the active material. The developed supercapacitor containing a carbon xerogel as a negative electrode, the MnO2/AgNP composite as a positive electrode and a Na+-exchange membrane demonstrated the highest performance characteristics. These results indicate that the incorporation of silver nanoparticles into the MnO2 structu

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