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Tesis sobre el tema "Flexible supercapacitors"

Autor: Grafiati

Publicado: 19 de octubre de 2024

Última modificación: 31 de julio de 2025

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1

YANG, YONGRUI. "Flexible Supercapacitors with Novel Gel Electrolytes." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1590682495188219.

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Zhang, Ruirong. "A study of flexible supercapacitors : design, manufacture and testing." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/13426.

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Supercapacitors have attracted great attention because of their high power density, long life cycle and high efficiency. They can be generally classified into two types: electrical double-layer capacitors (EDLCs) and pseudocapacitors. Compared with pseudocapacitors, EDLCs have a very fast charge/discharge rate, higher power density, higher coulombic efficiency and longer cycle life. Recently, in order to meet the requirements of portable and wearable electronics, supercapacitor development is moving towards flexible and stretchable solutions. This thesis presents the design, fabrication, perfo

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3

Lorenzo, Fernandez Marta. "Flexible supercapacitors utilising the multifunctional rôle of ionic liquids." Thesis, Queen's University Belfast, 2018. https://pure.qub.ac.uk/portal/en/theses/flexible-supercapacitors-utilising-the-multifunctional-role-of-ionic-liquids(8645dbf6-5a8e-4f19-ba27-bbb6adb7c7e3).html.

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The study on flexible, ultrathin and safe energy storage devices such as supercapacitors or batteries is an emerging area to “power-up” the next-generation of portable and flexible electronics such as mobile phones, computers, displays, wearable and implantable biomedical devices. In general, a supercapacitor is composed of two electrodes, electrolyte, separator and current collectors and it can store and deliver charge at relatively high rates. The challenge to design such supercapacitors to be flexible lies in the development of flexible electrodes and leak-proof electrolytes, as well as, th

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4

ZACCAGNINI, PIETRO. "Graphene-based supercapacitors for flexible and harsh environments application." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2875757.

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5

Areir, Milad. "Development of 3D printed flexible supercapacitors : design, manufacturing, and testing." Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/16659.

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The development of energy storage devices has represented a significant technological challenge for the past few years. Electrochemical double-layer capacitors (EDLCs), also named as supercapacitors, are a likely competitor for alternative energy storage because of their low-cost, high power density, and high fast charge/discharge rate. The recent development of EDLCs requires them to be lightweight and flexible. There are many fabrication techniques used to manufacture flexible EDLCs, and these methods can include pre-treatment to ensure more efficient penetration of activated carbon (AC) pat

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6

Si, Wenping. "Designing Electrochemical Energy Storage Microdevices: Li-Ion Batteries and Flexible Supercapacitors." Doctoral thesis, Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-160049.

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Die Menschheit steht vor der großen Herausforderung der Energieversorgung des 21. Jahrhundert. Nirgendwo ist diese noch dringlicher geworden als im Bereich der Energiespeicherung und Umwandlung. Konventionelle Energie kommt hauptsächlich aus fossilen Brennstoffen, die auf der Erde nur begrenzt vorhanden sind, und hat zu einer starken Belastung der Umwelt geführt. Zusätzlich nimmt der Energieverbrauch weiter zu, insbesondere durch die rasante Verbreitung von Fahrzeugen und verschiedener Kundenelektronik wie PCs und Mobiltelefone. Alternative Energiequellen sollten vor einer Energiekrise entwick

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7

Zhang, Panpan, Faxing Wang, Sheng Yang, Gang Wang, Minghao Yu, and Xinliang Feng. "Flexible in-plane micro-supercapacitors: Progresses and challenges in fabrication and applications." Elsevier, 2020. https://tud.qucosa.de/id/qucosa%3A74431.

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The great popularity of portable, wearable, and implantable smart electronics has intensively boosted the development of flexible miniaturized power supplies. Owing to the fast charge/discharge capability, high power delivery, long cycling lifetime, easy fabrication and integration, flexible in-plane micro-supercapacitors (FPMSCs) are of significance as the micropower sources for the next-generation flexible on-chip electronics. In this review, we provide a comprehensive overview about FPMSCs and discuss the recent advances in their fabrication and applications. Particular emphasis is put on t

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8

Wu, Zhenkun. "Metal-reduced graphene oxide for supercapacitors and alternating current line-filters." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53941.

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We design a facile approach to investigate the role benzene derivatives play in the capacitance enhancement of graphene-based supercapacitors. The main reason is attributed to the pseudocapacitance of the aromatic molecules rather than the former one. Meanwhile, we find that the para and ortho substituted benzene derivatives contribute much more than the meta substituted ones. In addition, we fabricate an all-solid-state flexible MSC based on metal-reduced GO. The as-fabricated MSC shows high areal capacitance and excellent reliability, which makes it a promising energy storage candidate for

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9

Zhang, Panpan, Feng Zhu, Faxing Wang, et al. "Stimulus-Responsive Micro-Supercapacitors with Ultrahigh Energy Density and Reversible Electrochromic Window." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-235489.

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10

Li, Hongyan, Yang Hou, Faxing Wang, et al. "Flexible All-Solid-State Supercapacitors with High Volumetric Capacitances Boosted by Solution Processable MXene and Electrochemically Exfoliated Graphene." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-235446.

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11

Yang, Muxuan. "Molecular Engineering of Polyaniline with Polydopamine and Graphene for All-Solid-State Flexible Micro-Supercapacitors." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1626872581300145.

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12

De, Silva Gardiyawasam L. Thushani Thilanjani. "ALL SOLID-STATE FLEXIBLE SUPERCAPACITORS WITH VERTICALLY ALIGNED MULTIWALLED CARBON NANOTUBES (MWCNT) SYNTHESIZED DIRECTLY ON METAL FOIL." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/theses/2588.

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This work is mainly focused on the investigation on all solid-sate flexible supercapacitors using MWCNT directly grown on Inconel foil. Detail physical characterization of the as grown MWCNTs were performed using Scanning Electron Microscopy (SEM), Raman and Specific surface area measurement (SSA). SSA evaluated using volumetric adsorption isotherm measurements show that such MWCNTs have effective surface area of ~ 30m2/g. These as grown MWCNT on metals foils were used to fabricate the Electrochemical Double Layer Capacitors (EDLC) or Supercapacitors. A poly(vinyl alcohol)/phosphoric acid (PVA

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13

Yang, Xiangwen, Zhixing Lin, Jingxu Zheng, et al. "Facile template-free synthesis of vertically aligned polypyrrole nanosheets on nickel foams for flexible all-solid-state asymmetric supercapacitors." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-224947.

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This paper reports a novel and remarkably facile approach towards vertically aligned nanosheets on three-dimensional (3D) Ni foams. Conducting polypyrrole (PPy) sheets were grown on Ni foam through the volatilization of the environmentally friendly solvent from an ethanol–water solution of pyrrole (Py), followed by the polymerization of the coated Py in ammonium persulfate (APS) solution. The PPy-decorated Ni foams and commercial activated carbon (AC) modified Ni foams were employed as the two electrodes for the assembly of flexible all-solid-state asymmetric supercapacitors. The sheet-like st

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14

Yang, Xiangwen, Zhixing Lin, Jingxu Zheng, et al. "Facile template-free synthesis of vertically aligned polypyrrole nanosheets on nickel foams for flexible all-solid-state asymmetric supercapacitors." Royal Society of Chemistry, 2016. https://tud.qucosa.de/id/qucosa%3A30332.

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This paper reports a novel and remarkably facile approach towards vertically aligned nanosheets on three-dimensional (3D) Ni foams. Conducting polypyrrole (PPy) sheets were grown on Ni foam through the volatilization of the environmentally friendly solvent from an ethanol–water solution of pyrrole (Py), followed by the polymerization of the coated Py in ammonium persulfate (APS) solution. The PPy-decorated Ni foams and commercial activated carbon (AC) modified Ni foams were employed as the two electrodes for the assembly of flexible all-solid-state asymmetric supercapacitors. The sheet-like st

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15

Si, Wenping [Verfasser], Oliver G. [Akademischer Betreuer] Schmidt, Oliver G. [Gutachter] Schmidt, and Yongfeng [Gutachter] Mei. "Designing Electrochemical Energy Storage Microdevices: Li-Ion Batteries and Flexible Supercapacitors / Wenping Si ; Gutachter: Oliver G. Schmidt, Yongfeng Mei ; Betreuer: Oliver G. Schmidt." Chemnitz : Universitätsbibliothek Chemnitz, 2015. http://d-nb.info/1214303390/34.

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16

Guemiza, Hazar. "Electrodes à base d'oxyde de graphène réduit - Polymères (liquides ioniques) pour des supercondensateurs performants." Electronic Thesis or Diss., CY Cergy Paris Université, 2024. http://www.theses.fr/2024CYUN1293.

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Ces travaux de thèse visent à développer des supercondensateurs flexibles tout solide pour les utiliser dans le cadre de l'énergie comme matériaux d’électrode de supercondensateurs. Pour ce faire, l’oxyde de graphène réduit a été choisi comme matériaux d’électrode et associer à différents poly(liquide ioniques) (PIL) dans des composites rGO-PIL. La première partie de cette étude se concentre sur l'élaboration d'électrodes rGO-PIL à l'aide d'électrolytes conventionnels (EMImTFSI). Les mesures électrochimiques montrent que la présence de 10 wt% de PIL augmente la capacité à 80 F.g-1. La deuxième

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17

RAFIQUE, AMJID. "Flexible Fiber-Shaped Supercapacitor for Wearable Electronics." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2729354.

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18

Chivers, Benjamin William. "Development of Novel PEDOT:PSS Fabrication Techniques for High Performance, Flexible RFID Antennas and Energy Storage Devices." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/20155.

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Poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) has been widely studied as either nanometre-scale, transparent films or a conductive, capacitive composite material in electronic devices. While significant effort has been directed towards increasing PEDOT:PSS conductivity in transparent films, very little nanoscale, morphological consideration has been applied to micron-scale PEDOT:PSS materials. As a result, PEDOT:PSS conductivity often decreases in micron-scale materials, and the polymer has been largely overlooked as a high performance material in practical applications. I

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19

Cakici, Murat. "Highly flexible carbon fibre fabric based nanostructured hybrids for high performance energy storage systems." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/18123.

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Electrochemical supercapacitors (ES), or ultracapacitors, store energy using either reversible adsorption of electrolyte ions (electrochemical double layer capacitors) or fast surface redox reactions on its electrodes (pseuodocapacitors). Currently, they are used together with batteries or fuel cells when high-power delivery or uptake is required. They have exceptional features such as high power density, high cycle efficiency, fast charging-discharging rate, long lifecycle, and safe operation. Therefore, they have attracted tremendous interest as next generation energy conversion and storage

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20

Coustan, Laura. "Matériaux pseudo-capacitifs pour supercondensateurs flexibles." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS169/document.

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Les supercondensateurs sont des dispositifs de stockage de l'énergie électrique particulièrement intéressants pour les applications de puissance. Les rendre flexibles permet de considérer de nouvelles possibilités d'intégration. Néanmoins, l'optimisation de la densité d'énergie, point faible de ces dispositifs, passe par la recherche et l'étude de nouveaux matériaux d'électrode et d'électrolytes. Dans ce but, ce travail de thèse s'est orienté vers des matériaux pseudo-capacitifs, avec l'utilisation d'électrodes à base de MnO2, et d'électrolytes à base de liquide ionique fonctionnalisé de type

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21

Pal, Ramendra K. "Fabrication of flexible, biofunctional architectures from silk proteins." VCU Scholars Compass, 2017. http://scholarscompass.vcu.edu/etd/4995.

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Advances in the biomedical field require functional materials and processes that can lead to devices that are biocompatible, and biodegradable while maintaining high performance and mechanical conformability. In this context, a current shift in focus is towards natural polymers as not only the structural but also functional components of such devices. This poses material-specific functionalization and fabrication related questions in the design and fabrication of such systems. Silk protein biopolymers from the silkworm show tremendous promise in this regard due to intrinsic properties: mechani

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22

MIGLIORINI, LORENZO. "DEVELOPMENT OF FUNCTIONAL NANOCOMPOSITE MATERIALS TOWARDS BIODEGRADABLE SOFT ROBOTICS AND FLEXIBLE ELECTRONICS." Doctoral thesis, Università degli Studi di Milano, 2020. http://hdl.handle.net/2434/704286.

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World population is continuously growing, as well as the influence we have on the ecosystem’s natural equilibrium. Moreover, such growth is not homogeneous and it results in an overall increase of older people. Humanity’s activity, growth and aging leads to many challenging issues to address: among them, there are the spread of suddenly and/or chronic diseases, malnutrition, resource pressure and environmental pollution. Research in the novel field of biodegradable soft robotics and electronics can help dealing with these issues. In fact, to face the aging of the population, it is necessary an

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23

Brousse, Kevin. "Intégration de micro-supercondensateurs à hautes performances sur puce de silicium et substrats flexibles." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30090/document.

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Le développement de l'internet des objets au service des " Smart Cities " requière des sources d'énergie miniaturisées. Ces travaux concernent la préparation de micro- supercondensateurs à hautes performances par voies sèches. Des films minces de carbure de titane ont été déposés sur wafer de silicium par pulvérisation, puis convertis par chloration partielle en films de carbone dérivé de carbure microporeux adhérents. 205 mF.cm-2 / 410 F.cm-3 ont été délivrés en milieu 1M H2SO4, et 170 F.cm-3 dans un mélange de liquide ionique et d'acétonitrile en contrôlant la taille des micropores. Les micr

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24

HUANG, ZIH-TING, and 黃子庭. "Enhancive Performance of Flexible Composite Supercapacitors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/n9r3re.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>106<br>Composite materials were synthesized by polyaniline, polypyrrole and carbon dots on cellulose-based substrates, independently. The materials at different weights were prepared by the in-situ polymerization method. 　　In the case of Polyaniline-series electrodes, the specific capacitance was maximum (174 F/g at a scan rate of 5mV/s) in 120μl of aniline monomer. Meanwhile, in the Polypyrrole-series film electrodes, the specific capacitance significantly decreased from 571 F/g at 5 mV/s of 240μl (pyrrole amounts) with decreasing content of pyrrole amounts. Althoug

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25

Cheng, Tzu Yu, and 鄭茲瑀. "Preparation and Characterization of Graphene-based Electrodes for Flexible Supercapacitors." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/72618438426636264441.

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碩士<br>國立清華大學<br>化學工程學系<br>104<br>With the growing demand of the portable and wearable energy storage systems, the ﬂexible supercapacitors have been received great attention. This study demonstrates that the flexible graphene nanosheets/carbon nanotube hybrid film (GS-SWCNT, GS-MWCNT) as electrode for supercapacitors and discusses the substrates (e.g. cellulose fibers and PTFE membrane) and preparation method (e.g. vacuum filtration and dip-drying) of hybrid film. The nanoarchitecture of carbon as active materials is important for energy storage. 8GS-2SWCNT exhibits much higher porosity and

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26

Si, Wenping. "Designing Electrochemical Energy Storage Microdevices: Li-Ion Batteries and Flexible Supercapacitors." Doctoral thesis, 2014. https://monarch.qucosa.de/id/qucosa%3A20191.

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Die Menschheit steht vor der großen Herausforderung der Energieversorgung des 21. Jahrhundert. Nirgendwo ist diese noch dringlicher geworden als im Bereich der Energiespeicherung und Umwandlung. Konventionelle Energie kommt hauptsächlich aus fossilen Brennstoffen, die auf der Erde nur begrenzt vorhanden sind, und hat zu einer starken Belastung der Umwelt geführt. Zusätzlich nimmt der Energieverbrauch weiter zu, insbesondere durch die rasante Verbreitung von Fahrzeugen und verschiedener Kundenelektronik wie PCs und Mobiltelefone. Alternative Energiequellen sollten vor einer Energiekrise entwick

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27

WEN, HE-CHUN, and 温賀淳. "Preparation and Characterization of Hydrous Ruthenium Oxide Solid State Flexible Supercapacitors." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/bqdt55.

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碩士<br>國立高雄科技大學<br>化學工程與材料工程系<br>107<br>In this study, ruthenium oxide (RuO2)-polyethylene terephthalate deposited with indium tin oxide (PET/ITO)|polyvinyl alcohol (PVA)/clay|RuO2 -(PET/ITO) flexible symmetry electrochemical supercapacitors were fabricated by using sandwich assembling technique, where RuO2-PET/ITO, cross-linked PVA/clay, and sodium sulphate acted as the electrode, the electrolyte composite membrane, and the electrolyte, respectively. RuO2-PET/ITO electrode was prepared by three-pole constant potential electrochemical deposition method, in which PET/ITO and antimony trichlorid

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28

涂育誠. "The study of Bending Fatigue of the flexible Metal Additions/Graphene Supercapacitors." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/58494375244238777853.

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碩士<br>國立彰化師範大學<br>機電工程學系所<br>104<br>In this paper, several flexible metals/graphene Super-capacitors were fabricated using sol-gel methodology and their electric performance were characterized by the cyclic voltammetry measurement and the bending test. In our research, we used silver nitrate (AgNO3), nickel nitrate Ni (NO3)2, manganese nitrate and Mn (NO3)2‧6H2O as the additions. Each of them dissolved in deionized water (DI Water), and we also added some carbon blacks to enhance their conductivity. The silver additions presents the better performance than other two metals ones. We also experi

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29

Tsai, Kun-Ju, and 蔡昆儒. "SWCNT/Ni-Co-Mn hydroxide nanohybrid materials as electrodes for flexible supercapacitors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/8z5daq.

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Tsai, Sung-Ying, and 蔡松穎. "Preparation of the Porous Array Electrodes and Their Applications on Flexible Supercapacitors." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/r8tx53.

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碩士<br>國立虎尾科技大學<br>光電工程系光電與材料科技碩士班<br>104<br>The soft electronic era did come. Many lightweight flexible electronic devices such as the flexible panel display, flexible solar cell and the wearable electronics have been extensively studied. Thus, a highly efficient energy storage device was required for all of soft electronic devices. Supercapacitors are also known as electrical double-layer capacitors or ultracapacitors. The function of the supercapacitors is between the traditional capacitors and electrochemical cell, which also can be regarded as an ideal energy storage element. The advantag

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31

Chen, You-Feng, and 陳有豐. "Flexible solid-state oxide supercapacitors and their capacitive performances: fabrication of manganese oxides with porous framework on flexible textiles." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/87171432857161768606.

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碩士<br>國立中興大學<br>化學系所<br>103<br>In this study, three dimensional (3D) porous MnO2 networks assembled from interconnected MnO2 nanosheets onto carbon nanotube flexible textile substrates have been prepared by a simple and fast electrodeposition method. With such unique 3D networks, enhance electrolyte-accessible surface areas and facilitate easy access of electrolyte ions into the interior of the electrodes can be achieved, which can result in good electrochemical capacitive properties. We use the 3D porous MnO2 networks materials as the electrode and the poly(vinyl alcohol) as the electrolyt

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32

Chiu, Hsin-Ya, and 邱欣雅. "Application of Mixed-Phase MnO2/N-Containing Graphene Composites to Flexible Asymmetric Solid-State Supercapacitors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7vz3t7.

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碩士<br>國立暨南國際大學<br>應用材料及光電工程學系<br>107<br>In this study, the electrode active materials of supercapacitors were prepared by a low-cost facile hydrothermal approach. The N-containing graphene/MnO2 composites (x-NGM) were obtained by growing α- and γ-phase MnO2 nanostructures on the surface of N-containing graphene. A PVA/LiCl electrolyte gel membrane was employed as the separator between two electrodes for supercapacitors. By changing the content of Mn and adjusting the mass loading of active materials, the capacitance characteristics of various electrodes and devices were investigated. Excessive

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33

Wang, Jeng-An, and 王政安. "Preparation and Characterization of Novel Bifunctional Waterborne Polyurethane-Potassium Poly(acrylate) Polymer for Flexible Supercapacitors." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/5nqd84.

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博士<br>國立清華大學<br>化學工程學系<br>107<br>This study focuses on the preparation and the performance of the supercapacitor for energy storage devices. The research topics of this dissertation are related to the preparation and properties of novel absorbent polymer, polyurethane - potassium poly(acrylate) (WPU-PAAK), which not only forms the gel polymer electrolyte but also substitutes the commercial binder between electrode materials. There are three parts in this study: (1) Synthesis and characterization of the novel polymer for the electrolyte and adhesive in flexible all-solid-state electrical do

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34

Lee, Ka Yeung Terence. "Study of Flexible Multi-wall Carbon Nano-tubes / Conductivepolymer Composites for Supercapacitor Applications." Thesis, 2014. http://hdl.handle.net/1807/65575.

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Conductive polymers are promising pseudo capacitive materials as they feature both good conductivity and high capacitance. Formation of composite between conductive polymers and carbon nanotubes is a proven technique in enhancing the material electroactivity. In-situ polymerization of conductive polymers includes polyaniline, polypyrrole and PEDOT: PSS and composite with MWCNT has been successfully achieved. Composites fabricated by using different dopants and their performance were studied. Excellent achieved capacitive performance is due to the combination of pseudo capacitance and double l

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35

To-WenTsao and 曹多雯. "Fabrication of CsxWO3/reduced graphene oxide/PEDOT:PSS nano-hybrids for flexible all-solid-state transparent supercapacitors." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/97djq2.

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Qui, Le Van, and 黎文規. "van der Waals Heteroepitaxial AZO/NiO on Muscovite for Transparent Flexible Electronic Devices as Memristors and Supercapacitors." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/8x5vks.

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博士<br>國立交通大學<br>材料科學與工程學系所<br>107<br>Multifunctional electronics featuring optical transparency, portability, mechanical flexibility, light-weight and environment-friendly are of great demands for next-generation smart electronics. Memristor and supercapacitor represents the important chains in next-generation devices as the information and/or energy storage components, respectively. In this thesis, nickel oxide (NiO) and aluminum doped zinc oxide (AZO) are fabricated on muscovite via pulsed laser deposition and sputtering method. By changing the morphology of heterostructure are suitable to d

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37

Jun-YiWu and 吳俊逸. "Fabrication of nano-carbon/PEDOT:PSS hybrid thin films for flexible transparent conductive electrodes and all-solid-state supercapacitors." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/36eb6g.

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碩士<br>國立成功大學<br>化學工程學系<br>104<br>This thesis concerns the developments of flexible transparent conductive electrodes and supercapacitors using carbon nanotube (CNT), reduced graphene oxide, and their hybrids with conducting polymer poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS). At first, the CNT and rGO-based thin films were fabricated as flexible transparent conductive electrodes by the blade-coating of CNT or graphene oxide (GO) dispersion on polyethylene terephthalate (PET) and the followed GO reduction with hydroiodic acid for the case of GO. The decreases of transmitt

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Liao, Chen-Yu, and 廖振宇. "Flexible polyaniline/graphene nanocomposite supercapacitor." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/6zfjdz.

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碩士<br>國立臺灣大學<br>應用力學研究所<br>105<br>We investigate polyaniline (PANI)/reduced graphene oxide (rGO) composite supercapacitor post-annealed at various temperatures. Pastes containing PANI and rGO are first screen-printed onto carbon cloth. Following which the sample was annealed at 100, 200, and 300 °C for 10 min. Thermogravimetric analysis indicates the decomposition of PANI as the annealing temperature increased to 200 and 300 °C, the pseudocapacitance contributed by PANI decreases, and the capacitance values therefore decreased. 100 °C×10 min annealing can increase the areal capacitance from 88

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Chen, Zhi-Hong, and 陳志宏. "Nickel-based thin film supercapacitior electrodes on flexible substrates." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/8e9g7h.

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碩士<br>義守大學<br>材料科學與工程學系<br>103<br>In this study, electroless Nickel and Nickel – Cobalt coatings were deposited on three kinds of flexible substrates (graphite paper, titanium foil, carbon fiber paper), and these coatings further etched in a 5M HNO3 solution to improve the electrochemical characteristics. Using a three-pole electrode system, cyclic voltammetry and charge-discharge curve were measured to calculate the specific capacitance, and electrochemical impedance spectroscopy (EIS) was used to analyze the electrochemical reaction mechanisms. In addition, the effects of Ni/Co ratios of Ni-

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Chang, Cheng-Ming, and 張正明. "Biotemplate Hierarchical Polyaniline Composite Films for High Performance Flexible Supercapacitor Devices." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/13773405163797263332.

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博士<br>中原大學<br>化學研究所<br>104<br>Highly flexible and foldable supercapacitor devices assembled using biotemplated polyaniline composite electrodes are described for the first time in this paper. This electrode architecture provides a facile fabrication route for creating abundant multiscale structures by using a plant species design based on nature resources and facilitates designing a hierarchical ordering morphology that improves the redox exchange and ionic diffusion resistance between the electrodes and electrolyte. The polyaniline composite was prepared using a replica technique and syntheti

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Kang, Yu-Yao, and 康宇堯. "Fabrication of integrated device with flexible dye-sensitized solar cell and graphene supercapacitor." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/kk9776.

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碩士<br>國立虎尾科技大學<br>電子工程系碩士班<br>107<br>Currently, flexible surfaces are becoming more common in electronic devices. Electronic devices fabricated on flexible substrates are considered to have potential. Flexible supercapacitors with long cycle life, high power density, stability and flexibility.In this study, a flexible supercapacitor was prepared activated carbon-doped graphene, and integrated a flexible dye-sensitized solar cell, completed energy conversion/storage components.Baking method for making activated carbon doped graphene carbon powder, carbon-doped graphene paste is used supercapaci

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Chen, Yu-Liang, and 陳昱良. "Au Nanostructures on Flexible Substrate: Fabrication and Applications in Biosensor and Supercapacito." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/99674687789499474579.

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博士<br>國立交通大學<br>應用化學系碩博士班<br>102<br>In this thesis, we studied fabrication of Au nanostructures on flexible substrate and its applications in biosensor and supercapacitor. A facile fabrication of high density Au nanostructures including nanothorns (NTs), nanocorals (NCs), nanoslices (NSs), and nanowires (NWs) which were electrochemically grown on flexible plastic substrates of polyethylene terephthalate (PET). By adjusting the electroplating conditions, we proposed a growth mechanism of Au nanostructures. Among them, the specific real surface area (RSA) of the Au NWs is the highest one (26100

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Sari, Nurlia Pramita, and 薩敏娜. "Three-Dimensional Electrode Self-Assembly of Electrochemical Exfoliated Graphene for High-Performance Flexible Supercapacitor." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/99119505804009136969.

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碩士<br>國立中央大學<br>機械工程學系<br>104<br>In this study, we report a flexible supercapacitor including a unique macroporosity self-assembly of graphene as electrode. The graphene supercapacitor made by three-dimensional graphene electrodes were prepared by electrochemical exfoliated graphene (EC-graphene) follow by freeze-dried and annealed process. Here we study the effects of macroporous structured electrodes on capacitor performance by altering the graphene concentration. Moreover, flexible supercapacitor devices made by such unique electrodes were demonstrated by using gel electrolyte (1M H2SO4 /PV

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Lien, Chieh, and 連婕. "The Study and Application of Nickel-based GNS/Plant Fiber in Flexible Asymmetric Supercapacitor." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/34454105435082920334.

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碩士<br>國立中興大學<br>化學工程學系所<br>102<br>As the supercapacitors can provide a higher power density than conventional batteries, it has become a potential application in the energy storage device. Asymmetric supercapacitor is assembled by two slightly different electrode''s materials, and the operating voltage can be enhanced and the capacities and energy densities also be dramatically improved. In this study, we have combined the excellent electric properties of graphene with the flexibility of the plant fibers into a flexible composite electrode, and finally assembled into symmetric and asymmetric s

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Cheong, Sh-Shen, and 鍾思森. "Fabrication and application of metal oxide/carbon-based material/polyaniline nanocomposites for high-performance flexible supercapacitor." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/j274n4.

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碩士<br>國立臺灣大學<br>材料科學與工程學研究所<br>106<br>Flexible electronic devices have great potential as a new generation, light weight, flexible wearable applications for healthcare, communication and sportswear. The flexible supercapacitors are one of the most promising candidates due to their long cycle stability, high power density and safety. In this thesis a binary composites of oxidized carbon nanotube or graphene/PANI, ternary composites of oxidized carbon nanotube/graphene/PANI and quaternary composites of metal oxides/oxidized carbon nanotube/graphene/PANI were prepared by electro-polymerization de

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Huang, Tse-Yu, and 黃則毓. "Fabrication and applications of metal oxide/nano-carbon material/polypyrrole nanocomposite electrodes for high-performance flexible supercapacitor." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/y22j56.

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碩士<br>國立臺灣大學<br>材料科學與工程學研究所<br>106<br>Supercapacitors can be applied to communication and healthcare industries due to their high power density, long cycle life and friendly to environment. Because flexible supercapacitors have convenience to personal life, they have great potential to develop as a next-generation and wearable electronic gadget. Our purpose of research is to fabricate a supercapacitor device with high specific capacitance, high energy density, high power density and long cycle life. In our research, electrode of polypyrrole(PPy), binary system electrode of graphene/PPy and

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Su, Dung-Yue, and 蘇東裕. "Silver nanowires and graphene sheets apply on applications of flexible electrode, supercapacitor and stretchable gas-permeation barrier." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/64n2p7.

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博士<br>國立臺灣大學<br>材料科學與工程學研究所<br>107<br>The dissertation focus on development of flexible electrode and stretchable gas barrier. For the field of flexible electrodes, synthesis of silver nanowires (AgNWs) and integration of AgNWs with atomic layer deposition (ALD) in flexible electrodes and supercapacitors were studied to address the key issues of flexible electronics: (i) nature brittle and insufficient performance of indium tin oxide (ITO), which is current dominant material of transparent conductive electrode, and (ii) major goal of energy storage: high capacitance and cost-effective fabricat

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Chen, Po-Hsiang, and 陳柏翔. "The Fabrication of Modified Graphene sheet and Electrospun Polyamide 6,6 Fiber Nanocomposite and its Application in Flexible Electrode for Supercapacitor." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/07184258444513484567.

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TAI, WEI-CHING, and 戴瑋慶. "Electrochemical deposition and characterization of MnO2/rGO on porous nickel of inverse opal structures on a flexible substrate for supercapacitor applications." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/fm22kz.

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碩士<br>逢甲大學<br>材料科學與工程學系<br>107<br>This work is consisted of five experimental procedures including (i) formation of graphene oxide (GO) via Hummers' method, (ii) production of photonic crystals (PhCs) of PS microspheres on the ITO glass substrates via electrophoretic self-assembly (EPSA) route, (iii) development of template-mediated technique to create a nickel inverse opal structure (IOS) via electrochemical deposition (ECD), (iv) MnO2/Ni foam, MnO2/rGO/Ni foam and MnO2/rGO/Ni-IOS samples were prepared by ECD, and (v) sample property analysis of their microstructure structures and electrochem

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Bandari, Vineeth. "Towards Smart Motile Autonomous Robotic Tubular Systems (S.M.A.R.T.S)." 2021. https://monarch.qucosa.de/id/qucosa%3A75964.

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The development of synthetic life once envisioned by Feynman and Flynn many decades ago has stimulated significant research in materials science, biology, neuroscience, robotics, and computer science. The cross-disciplinary effort and advanced technologies in soft miniature robotics have addressed some of the significant challenges of actuation, sensing, and subsystem integration. An ideal Soft motile miniaturised robot (SMMRs) has innovative applications on a small scale, for instance, drug delivery to environmental remediation. Such a system demands smart integration of micro/nano components

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