Relevant bibliographies by topics / Polymer Electrolytes - Ion Dynamics / Dissertations / Theses
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Dissertations / Theses on the topic 'Polymer Electrolytes - Ion Dynamics'

Author: Grafiati
Published: 7 September 2023
Last updated: 31 July 2025

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1

Shen, Kuan-Hsuan. "Modeling ion conduction through salt-doped polymers: Morphology, ion solvation, and ion correlations." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1595422569403378.

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2

Kidd, Bryce Edwin. "Multiscale Transport and Dynamics in Ion-Dense Organic Electrolytes and Copolymer Micelles." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/82525.

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Understanding molecular and ion dynamics in soft materials used for fuel cell, battery, and drug delivery vehicle applications on multiple time and length scales provides critical information for the development of next generation materials. In this dissertation, new insights into transport and kinetic processes such as diffusion coefficients, translational activation energies (Ea), and rate constants for molecular exchange, as well as how these processes depend on material chemistry and morphology are shown. This dissertation also aims to serve as a guide for material scientists wanting to ex
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3

Karo, Jaanus. "The Rôle of Side-Chains in Polymer Electrolytes for Batteries and Fuel Cells." Doctoral thesis, Uppsala universitet, Strukturkemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-100738.

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The subject of this thesis relates to the design of new polymer electrolytes for battery and fuel cell applications. Classical Molecular Dynamics (MD) modelling studies are reported of the nano-structure and the local structure and dynamics for two types of polymer electrolyte host: poly(ethylene oxide) (PEO) for lithium batteries and perfluorosulfonic acid (PFSA) for polymer-based fuel cells. Both polymers have been modified by side-chain substitution, and the effect of this on charge-carrier transport has been investigated. The PEO system contains a 89-343 EO-unit backbone with 3-15 EO-unit
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4

Shi, Jie. "Ion transport in polymer electrolytes." Thesis, University of St Andrews, 1993. http://hdl.handle.net/10023/15522.

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The ion-polymer and ion-ion interactions in polymer electrolytes based on high molecular weight, amorphous methoxy-linked PEO (PMEO) and lithium salts have been investigated by conductivity measurement, magic-angle spinning NMR (mas NMR) and pulsed field gradient NMR (pfgNMR) techniques. In the very dilute salt concentration region, ion pairing effects are dominant in these polymer electrolytes. Ion association is found to increase with temperature and salt concentration. Ion transport for these electrolytes is controlled both by segmental motion of the polymer and activation process, in which
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5

Sorrie, Graham A. "Liquid polymer electrolytes." Thesis, University of Aberdeen, 1987. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU499826.

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This thesis is concerned with ion-ion and ion-polymer interactions over a wide concentration range in polymer electrolytes with a view to shedding new light on the mechanism of ion migration. Additionally, the electrochemical stability window of these electrolytes on platinum and vitreous carbon electrodes has been thoroughly investigated. The final part of this thesis is concerned with determining the feasibility of polymer electrolytes as electrolytes in a new type of energy storage device, a double layer capacitor which incorporates activated carbon cloth electrodes. Conductivities and visc
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6

McHattie, Gillian S. "Ion transport in liquid crystalline polymer electrolytes." Thesis, University of Aberdeen, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324432.

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A systematic study of structure-property relations has been carried out on a range of polymers, both with and without mesogenic moieties. These materials have been characterised using various thermal techniques, including DSC and DMTA. These polymers have been complexed with LiClO<sub>4</sub> and the effects of the salt on thermal characteristics have been investigated. In addition, AC impedance spectroscopy has been employed to determine the temperature dependence of the conductivity of these complexes. Results suggest that polymers with mesogenic side groups have the potential to exhibit a c
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7

Lacey, Matthew James. "Electrodeposited polymer electrolytes for 3D Li-ion microbatteries." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/348605/.

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The electropolymerisation of vinyl monomers has been investigated as a route to the conformal deposition of thin polymer electrolyte films on porous electrode surfaces, for application in 3D Li-ion microbatteries. The deposition of poly(acrylonitrile) and poly(poly(ethylene glycol) diacrylate) has been monitored using cyclic voltammetry and an electrochemical quartz crystal microbalance (EQCM). It was determined that the polymerisation reaction may be initiated either by direct reduction of the monomer or via a separate reactive intermediate such as the superoxide anion. Furthermore, it was es
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8

Chen, Songela Wenqian. "Modeling ion mobility in solid-state polymer electrolytes." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122534.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Chemistry, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 31-32).<br>We introduce a course-grained model of ion diffusion in a solid-state polymer electrolyte. Among many tunable parameters, we investigate the effect of ion concentration, ion-polymer attraction, and polymer disorder on cation diffusion. For the conditions tested, we find that ion concentration has little effect on diffusion. Polymer disorder creates local variation in behavior, which we call "trapping" (low diffusion
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9

Maranski, Krzysztof Jerzy. "Polymer electrolytes : synthesis and characterisation." Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/3411.

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Crystalline polymer/salt complexes can conduct, in contrast to the view held for 30 years. The alpha-phase of the crystalline poly(ethylene oxide)₆:LiPF₆ is composed of tunnels formed from pairs of (CH₂-CH₂-O)ₓ chains, within which the Li⁺ ions reside and along which the latter migrate.¹ When a polydispersed polymer is used, the tunnels are composed of 2 strands, each built from a string of PEO chains of varying length. It has been suggested that the number and the arrangement of the chain ends within the tunnels affects the ionic conductivity.² Using polymers with uniform chain length is impo
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10

Hekselman, Aleksandra K. "Crystalline polymer and 3D ceramic-polymer electrolytes for Li-ion batteries." Thesis, University of St Andrews, 2014. http://hdl.handle.net/10023/11950.

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The research work presented in this thesis comprises a detailed investigation of conductivity mechanism in crystalline polymer electrolytes and development of a new class of ceramic-polymer composite electrolytes for Li-ion batteries. Firstly, a robust methodology for the synthesis of monodispersed poly(ethylene oxides) has been established and a series of dimethyl-protected homologues with 13, 15, 17, 28, 29, 30 ethylene oxide repeat units was prepared. The approach is based on reiterative cycles of chain extension and deprotection, followed by end-capping of the oligomeric chain ends with me
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11

Willgert, Markus. "Solid Polymer Lithium-Ion Conducting Electrolytes for Structural Batteries." Doctoral thesis, KTH, Ytbehandlingsteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144169.

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This work comprises the manufacture and characterization of solid polymer lithium ion conducting electrolytes for structural batteries. In the study, polymer films are produced in situ via a rapid versatile UV irradiation polymerization route, in which ethylene oxide methacrylates are polymerized into thermoset networks. In the first part of the study, the simplicity and efficiency of this manufacturing route is emphasized. Polymer electrolytes are pro-duced with an ionic conductivity ranging from 5.8×10-10 S cm-1 up to 1.5×10-6 S cm-1, and a storage modulus of up to 2 GPa at 20°C. In the sec-
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12

Willgert, Markus. "Solid Polymer Lithium-ion Conducting Electrolytes for Structural Batteries." Licentiate thesis, KTH, Ytbehandlingsteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-107182.

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13

Ainsworth, David A. "Crystalline polymer and small molecule electrolytes." Thesis, University of St Andrews, 2010. http://hdl.handle.net/10023/2156.

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The research presented in this thesis includes a detailed investigation into factors influencing ionic conductivity in the crystalline polymer electrolyte PEO₆:LiPF₆. It has previously been shown that preparing PEO₆:LiPF₆ with PEO modified with larger –OC₂H₅ end groups increases ionic conductivity by one order of magnitude [¹],primarily due to disruption of the crystal structure caused by the inclusion of the larger end groups. In this study it is shown that by reducing PEO molecular weight in crystalline PEO₆:LiPF₆ ionic conductivity is also increased. This was attributed to an increasing con
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14

Bayrak, Pehlivan İlknur. "Functionalization of polymer electrolytes for electrochromic windows." Doctoral thesis, Uppsala universitet, Fasta tillståndets fysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-204437.

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Saving energy in buildings is of great importance because about 30 to 40 % of the energy in the world is used in buildings. An electrochromic window (ECW), which makes it possible to regulate the inflow of visible light and solar energy into buildings, is a promising technology providing a reduction in energy consumption in buildings along with indoor comfort. A polymer electrolyte is positioned at the center of multi-layer structure of an ECW and plays a significant role in the working of the ECW. In this study, polyethyleneimine: lithium (bis(trifluoromethane)sulfonimide (PEI:LiTFSI)-based p
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15

Spence, Graham Harvey. "New polymer and gel electrolytes for potential application in smart windows." Thesis, Heriot-Watt University, 1998. http://hdl.handle.net/10399/614.

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16

Chintapalli, Mahati. "Ion Transport and Structure in Polymer Electrolytes with Applications in Lithium Batteries." Thesis, University of California, Berkeley, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10250632.

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<p> When mixed with lithium salts, polymers that contain more than one chemical group, such as block copolymers and endgroup-functionalized polymers, are promising electrolyte materials for next-generation lithium batteries. One chemical group can provide good ion solvation and transport properties, while the other chemical group can provide secondary properties that improve the performance characteristics of the battery. Secondary properties of interest include non-flammability for safer lithium ion batteries and high mechanical modulus for dendrite resistance in high energy density lithium m
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17

Yu, Zhou. "Molecular Structure and Dynamics of Novel Polymer Electrolytes Featuring Coulombic Liquids." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/87049.

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Polymer electrolytes are indispensable in numerous electrochemical systems. Existing polymer electrolytes rarely meet all technical demands by their applications (e.g., high ionic conductivity and good mechanical strength), and new types of polymer electrolytes continue to be developed. In this dissertation, the molecular structure and dynamics of three emerging types of polymer electrolytes featuring Coulombic liquids, i.e., polymerized ionic liquids (polyILs), nanoscale ionic materials (NIMs), and polymeric ion gels, were investigated using molecular dynamics (MD) simulations to help guide t
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18

Brandell, Daniel. "Understanding Ionic Conductivity in Crystalline Polymer Electrolytes." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5734.

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19

Liivat, Anti. "Ordering in Crystalline Short-Chain Polymer Electrolytes." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7853.

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20

Törmä, Erik. "Synthesis and characterisation of solid low-Tg polymer electrolytes for lithium-ion batteries." Thesis, Uppsala universitet, Institutionen för kemi - Ångström, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-226754.

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Electrolytes of poly(trimethylene carbonate-co-ε-caprolactone), poly(TMC-co-CL), and LiTFSI have been prepared and characterised. The copolymers were analysed with GPC and NMR, which showed that random high molecular weight copolymers of desired compositions had been obtained. The electrolytes with varied salt concentration were examined with TGA, DSC, FTIR and impedance spectroscopy. The highest ionic conductivities were measured for the copolymer of 60:40 ratio of TMC:CL and for the homopolymer poly(ε-caprolactone), PCL, both electrolytes with 28 wt% LiTFSI. The ionic conductivity was measur
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21

Guo, Jiao. "Development of Ion Conductive Polymer Gel Electrolytes and Their Electrochemical and Electromechanical Behavior Studies." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1279140041.

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22

Otaduy, Maria Concepcion Garcia. "A nuclear magnetic resonance study of ionic dynamics in solid polymer electrolytes." Thesis, University of Kent, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263697.

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23

LINGUA, GABRIELE. "Newly designed single-ion conducting polymer electrolytes enabling advanced Li-metal solid-state batteries." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2969103.

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24

Plylahan, Nareerat. "Electrodeposition of Polymer Electrolytes into Titania Nanotubes as Negative Electrode for 3D Li-ion Microbatteries." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4049.

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Des nanotubes de dioxyde de titane (TiO2nts) sont étudiés comme électrodes négatives potentielles pour des microbatteries Li-ion 3D. Ces TiO2nts lisses et hautement auto-organisés sont élaborés par anodisation du Ti dans des électrolytes organiques à base de glycérol ou d'éthylène glycol contenant des ions fluor et de l'eau en faible quantité. Les structures présentant un diamètre de 100 nm et une longueur variant de 1,5 à 14 µm sont particulièrement appropriés pour l'application visée. Les TiO2nts ont été tapissés de manière conforme par un électrolyte polymère (PMA-PEG) comportant un sel de
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25

Fujimura, Koji. "Theoretical Studies of Lithium-Ion Diffusion in LISICON-Type Solid Electrolytes." Master's thesis, 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/180501.

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26

Agapov, Alexander. "Decoupling Phenomena in Dynamics of Soft Matter." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1321922264.

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27

Andersson, Jonas. "Synthesis of polycarbonate polymer electrolytes for lithium ion batteries and study of additives to raise the ionic conductivity." Thesis, Uppsala universitet, Strukturkemi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-259513.

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Polymer electrolyte films based on poly(trimethylene carbonate) (PTMC) mixed with LiTFSI salt in different compositions were synthesized and investigated as electrolytes for lithium ion batteries, where the ionic conductivity is the most interesting material property. Electrochemical impedance spectroscopy (EIS) and DSC were used to measure the ionic conductivity and thermal properties, respectively. Additionally, FTIR and Raman spectroscopy were used to examine ion coordination in the material. Additives of nanosized TiO2 and powders of superionically conducting Li1.3Al0.3Ti1.7(PO4)3 were inv
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28

Guha, Thakurta Soma. "Anhydrous State Proton and Lithium Ion Conducting Solid Polymer Electrolytes Based on Sulfonated Bisphenol-A-Poly(Arylene Ethers)." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1239911460.

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29

Vijayakumar, V. "Preparation, characterization and application of proton, lithium and zinc-ion conducting polymer electrolytes for supercapacitors, lithium- and zinc-metal batteries." Thesis(Ph.D.), CSIR-National Chemical Laboratory, 2021. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/5972.

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The use of liquid electrolytes in energy storage devices are associated with several constraints pertaining to safety. Polymer electrolytes are suitable candidates to overcome several problems associated with free-flowing liquid electrolytes. The current thesis deals with the development of proton, lithium, and zinc conducting gel polymer electrolytes for electrochemical energy storage devices such as supercapacitors, lithium-metal batteries, and zinc-metal batteries. Special emphasis is given to the improvement of electrode|electrolyte interface in polymer electrolyte-based energy storage dev
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30

Kyeremateng, Nana Amponsah. "Advanced materials based on titania nanotubes for the fabrication of high performance 3D li-ion microbatteries." Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM4772/document.

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Le développement des dispositifs microélectroniques a dopé la recherche dans le domaine des microbatteries tout solide rechargeables. Mais actuellement, les performances de ces microbatteries élaborées par des technologies couche mince (2D) sont limitées et le passage à une géométrie 3D adoptant le concept “Li-ion” ou“rocking chair” est incontournable. Cette dernière condition implique de combiner des matériaux de cathode comme LiCoO2, LiMn2O4 or LiFePO4 avec des anodes pouvant réagir de manière réversible avec les ions lithium. Parmi tous les matériaux pouvant servir potentiellement d'anode,
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31

Wang, Ying. "Development and Characterization of Advanced Polymer Electrolyte for Energy Storage and Conversion Devices." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/83859.

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Among the myraid energy storage technologies, polymer electrolytes have been widely employed in diverse applications such as fuel cell membranes, battery separators, mechanical actuators, reverse-osmosis membranes and solar cells. The polymer electrolytes used for these applications usually require a combination of properties, including anisotropic orientation, tunable modulus, high ionic conductivity, light weight, high thermal stability and low cost. These critical properties have motivated researchers to find next-generation polymer electrolytes, for example ion gels. This dissertation ai
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32

Álvarez, Daniel Jardón. "Study of advanced ion conducting polymers by relaxation, diffusion and spectroscopy NMR methods." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18158/tde-19102016-114611/.

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Advances on secondary lithium ion batteries imply the use of solid polymer electrolytes, which represent a promising solution to improve safety issues in high energy density batteries. Through dissolution of lithium salts into a polymeric host, such as poly(ethylene oxide) (PEO), ion conducting polymers are obtained. The Li+ ions will be localized in the proximity of the oxygen atoms in the PEO chains and thus, their motion strongly correlated with the segmental reorientation of the polymer. Nuclear magnetic resonance (NMR) spectroscopy, translational diffusion coefficients and transverse rela
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33

Park, Chanbum. "Structure, dynamics and phase behavior of concentrated electrolytes for applications in energy storage devices." Doctoral thesis, Humboldt-Universität zu Berlin, 2021. http://dx.doi.org/10.18452/22389.

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Diese Arbeit widmet sich der Untersuchung der dynamischen und strukturellen Eigenschaften sowie des Phasenverhaltens konzentrierter flüssiger Elektrolyte und ihrer Anwendung in Energiespeichern mittels Methoden der statistischen Mechanik und mithilfe atomistischer Molekulardynamik (MD) Simulationen. Zuerst untersuchen wir die Struktur-Eigenschafts-Beziehungen in konzentrierten Elektrolytlösungen wie sie in Lithium-Schwefel (Li/S), durch wir ein MD Simulationsmodell repräsentativer state-of-the-art Elektrolyt-Systeme für Li/S-Batterien bestehend aus Polysulfiden, lithium bis(trifluoromethanes
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34

Crisanti, Samuel Nathan Crisanti. "Effect of Alumina and LAGP Fillers on the Ionic Conductivity of Printed Composite Poly(Ethylene Oxide) Electrolytes for Lithium-Ion Batteries." Case Western Reserve University School of Graduate Studies / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=case1522756200308156.

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35

Chen, Chao-Hsu. "Atomistic Computer Simulations of Diffusion Mechanisms in Lithium Lanthanum Titanate Solid State Electrolytes for Lithium Ion Batteries." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc700110/.

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Solid state lithium ion electrolytes are important to the development of next generation safer and high power density lithium ion batteries. Perovskite-structured LLT is a promising solid electrolyte with high lithium ion conductivity. LLT also serves as a good model system to understand lithium ion diffusion behaviors in solids. In this thesis, molecular dynamics and related atomistic computer simulations were used to study the diffusion behavior and diffusion mechanism in bulk crystal and grain boundary in lithium lanthanum titanate (LLT) solid state electrolytes. The effects of defect conce
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36

Martín, Dalmas Joël. "Modélisation multi-échelle du transport du lithium dans des électrolytes Li-ion solides et hybrides et leurs interfaces." Electronic Thesis or Diss., Université Grenoble Alpes, 2023. http://www.theses.fr/2023GRALY098.

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Les électrolytes solides hybrides (HSE) offrent une alternative prometteuse aux électrolytes liquides classiques dans les batteries Li-ion. Ils intègrent des charges céramiques, souvent sous forme de nanoparticules, dans les électrolytes polymères pour résoudre le principal défi des électrolytes polymères solides (SPE) : leur conductivité réduite par rapport aux alternatives telles que les électrolytes liquides ou céramiques. Cependant, l'impact de l'ajout de charges céramiques aux SPE purs reste incertain. La littérature présente deux ensembles de résultats distincts. Le premier, provenant pr
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37

Attia, Mahmoud. "Multiscale atomistic and quantum chemical simulations of dynamics and NMR properties in high-ionic conductivity solid-state Lithium-ion electrolytes for all-solid-state batteries." Electronic Thesis or Diss., université Paris-Saclay, 2025. http://www.theses.fr/2025UPASP012.

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La France, ainsi que l'Europe dans son ensemble, s'engage activement dans le développement des batteries tout-solide (all solid-state batteries, SSBs), une technologie clé pour assurer la transition écologique et l'adoption massive des véhicules électriques (electric vehicles, EVs). Une avancée majeure dans ce domaine repose sur la conception et l'optimisation d'électrolytes solides (solid-state electrolytes, SSEs). Parmi les matériaux candidats, le grenat de type Lithium Lanthanum Zirconate (LLZO, Li₇La₃Zr₂O₁₂) se distingue comme un électrolyte solide prometteur pour les batteries au lithium
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38

Costa, Luciano Tavares da. "Simulação computacional de eletrólitos poliméricos baseados em poli (oxietileno) e líquidos iônicos." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/46/46132/tde-19102007-074147/.

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Simulações por Dinâmica Molecular (MD) de eletrólitos poliméricos baseados em poli (oxietileno), POE, e líquidos iônicos derivados do cátion 1-alquil-3-metilimidazólio e ânion hexafluorfosfato foram realizadas. Os parâmetros do potencial intermolecular e intramolecular foram obtidos de simulações MD prévias, a partir de um modelo de átomos unidos para POE e cátions imidazólio, ou seja, átomos de hidrogênio não são considerados explicitamente. Investigação sistemática da concentração de líquido iônico (LI), temperatura, e comprimento da cadeia 1-alquil, [1,3-dimetilimidazólio]PF6 e [1-buti
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39

Frenck, Louise. "Study of a buffer layer based on block copolymer electrolytes, between the lithium metal and a ceramic electrolyte for aqueous Lithium-air battery." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAI041/document.

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La technologie Lithium-air développée par EDF utilise une électrode à air qui fonctionne avec un électrolyte aqueux ce qui empêche l’utilisation de lithium métal non protégé comme électrode négative. Une membrane céramique (LATP:Li1+xAlxTi2-x(PO4)3) conductrice d’ion Li+ est utilisée pour séparer le milieu aqueux de l’électrode négative. Cependant, cette céramique n'est pas stable au contact du lithium, il est donc nécessaire d'intercaler entre le lithium et la céramique un matériau conducteur des ions Li+. Celui-ci devant être stable au contact du lithium et empêcher ou fortement limiter la c
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40

Hanot, Samuel. "L'eau confinée dans des matériaux nanostructurés." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAY058/document.

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L'eau est partout et joue un rôle déterminant dans une multitude deprocessus. Cependant, on la trouve souvent au sein de minusculescellules, pores, ou canaux. En de tels cas, les proprietés“macroscopiques” de l'eau sont modifiées par les restrictions spatialeset les interactions entre les molécules d'eau et le matériau confinant.Elucider les propriétés de l'eau en confinement est crucial, et unecompréhension générale peut seulement être obtenue à traversl'utilisation de modèles. Alors que l'eau confinée dans des matériauxdurs tels que les nanotubes de carbone est bien documentée, nous n'avonsp
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41

Issa, Sébastien. "Synthèse et caractérisation d'électrolytes solides hybrides pour les batteries au lithium métal." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0046.

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Les problématiques engendrées par l’extraction et l’utilisation intensives des ressources fossiles ont forcé l’humanité à se tourner vers le développement d’énergies renouvelables et de véhicules électriques. Cependant, ces technologies doivent être couplées à des moyens de stockage de l’énergie efficaces pour exploiter leur potentiel. Les systèmes embarquant une anode de lithium métallique sont particulièrement intéressants car ils présentent une densité d’énergie élevée. Cependant, cette technologie souffre de la formation de dendrites pouvant déclencher des courts-circuits provoquant l’expl
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42

Szotkowski, Radek. "Gelové polymerní elektrolyty s nanočásticemi." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-319296.

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This master‘s thesis concerns gel polymer electrolytes formed on a methyl methacrylate base with selected types of nanoparticles. In the thesis are also analyzed the methods for measuring electrochemical properties. The practical portion deals with sample preparations of gel polymer electrolytes with different contents of alkaline salt in a solvent, creating gels with different nanoparticle content and comparing gel polymer electrolytes polymerized with heat and UV radiation. The thesis deals with the evaluation of these samples from the viewpoint of electrical conductivity and potential windo
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Das, Sayan. "Ion Dynamics and Relaxation in some Composite Polymer Electrolytes." Thesis, 2019. http://hdl.handle.net/10821/8226.

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This thesis is devoted to study the relaxation dynamics in some composite polymer electrolytes. The organization of the thesis is as follows Chapter 1 of this thesis describes the literature review in the field of polymer electrolytes and their composites. A brief introduction to polymer electrolytes and their composites is presented and their exotic features are discussed. The thermodynamics behind the dissolution of the salts in polymers, phase diagram and ionic species of polymer electrolyte have been outlined briefly. Several theoretical models and concepts used to explain and understand t
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Karmakar, Arabinda. "Relaxation dynamics in some composite polymer electrolytes." Thesis, 2019. http://hdl.handle.net/10821/8305.

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This thesis is devoted to study the relaxation dynamics in some composite polymer electrolytes. The organization of the thesis is as follows Chapter 1 of this thesis describes the literature review in the field of polymer electrolytes and their composites. A brief introduction to polymer electrolytes and their composites is presented and their exotic features are discussed. The thermodynamics behind the dissolution of the salts in polymers, phase diagram and ionic species of polymer electrolyte have been outlined briefly. Several theoretical models and concepts used to explain and understand t
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45

Dam, Tapabrata. "Study of Relaxation Dynamics and Ion Conduction Mechanism of Composite Polymer Electrolyte and Gel Polymer Electrolyte." Thesis, 2017. http://ethesis.nitrkl.ac.in/8736/1/2017_PhD_511PH103_TDam.pdf.

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The increasing demand for miniaturized portable electrical energy sources has led towards intensive research on developing efficient electrochemical energy storage/conversion devices. Based on the capability of delivering continuous energy for a longer period of time or quick charge-discharge capabilities, these devices can be divided into energy and current sourcing devices. Among these devices, batteries show intermediate power density along with energy density. At present in most of the commercially available devices, liquid organic carbonate electrolytes having conductivity values close to
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46

Kubisiak, Piotr. "Teoretyczne badanie oddziaływań jon-polimer w stałych elektrolitach polimerowych." Praca doktorska, 2011. http://ruj.uj.edu.pl/xmlui/handle/item/42165.

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Lee, Lien-Feng, and 李連峰. "Molecular Dynamics Simulation of Solid Polymer Electrolytes." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/42885031995616046984.

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碩士<br>淡江大學<br>化學學系<br>89<br>Molecular dynamics simulation is used to study the interaction between the ions (e.g. Na+、I-、Li+、CF3SO3- ) and PEO chain in polymer electrolytes in order to understand the behavior of ionic transport .We first calculated the ionic diffusion coefficient based on the data collected from the simulation , and observed :1)Increasing temperature will enhance the ionic conductivities;2) Decreasing concentration also will enhance the ionic conductivities .These two qualitative results are in good agreement with the experiment data. We then established the relationship betwe
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Indris, Sylvio. "Ion Dynamics in Solid Electrolytes: Li+, Na+, O2−, H+." 2017. https://ul.qucosa.de/id/qucosa%3A31578.

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Chelmecki, Marcin [Verfasser]. "Cellulose based lithium ion polymer electrolytes for lithium batteries / Marcin Chelmecki." 2005. http://d-nb.info/975876422/34.

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Brooks, Daniel James. "Computational Investigation of Ionic Diffusion in Polymer Electrolytes for Lithium-Ion Batteries." Thesis, 2018. https://thesis.library.caltech.edu/10995/5/brooks_thesis_6_1_18.pdf.

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Energy storage is a critical problem in the 21<sup>st</sup> century and improvements in battery technology are required for the next generation of electric cars and electronic devices. Solid polymer electrolytes show promise as a material for use in long-lifetime, high energy density lithium-ion batteries. Improvements in ionic conductivity, however, for the development of commercially viable materials, and, to this end, a series of computational studies of ionic diffusion were performed. First, pulsed charging is examined as a technique for inhibiting the growth of potentially dangerous lithi
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