Complete Electrochemical Characterization Of Ion Transport In Polymer Electrolytes
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Complete Electrochemical Characterization Of Ion Transport In Polymer Electrolytes
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Author : Danielle Pesko
language : en
Publisher:
Release Date : 2018
Complete Electrochemical Characterization Of Ion Transport In Polymer Electrolytes written by Danielle Pesko and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Polymer Electrolytes
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Author : Tan Winie
language : en
Publisher: John Wiley & Sons
Release Date : 2020-02-18
Polymer Electrolytes written by Tan Winie and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-18 with Science categories.
A comprehensive overview of the main characterization techniques of polymer electrolytes and their applications in electrochemical devices Polymer Electrolytes is a comprehensive and up-to-date guide to the characterization and applications of polymer electrolytes. The authors ? noted experts on the topic ? discuss the various characterization methods, including impedance spectroscopy and thermal characterization. The authors also provide information on the myriad applications of polymer electrolytes in electrochemical devices, lithium ion batteries, supercapacitors, solar cells and electrochromic windows. Over the past three decades, researchers have been developing new polymer electrolytes and assessed their application potential in electrochemical and electrical power generation, storage, and conversion systems. As a result, many new polymer electrolytes have been found, characterized, and applied in electrochemical and electrical devices. This important book: -Reviews polymer electrolytes, a key component in electrochemical power sources, and thus benefits scientists in both academia and industry -Provides an interdisciplinary resource spanning electrochemistry, physical chemistry, and energy applications -Contains detailed and comprehensive information on characterization and applications of polymer electrolytes Written for materials scientists, physical chemists, solid state chemists, electrochemists, and chemists in industry professions, Polymer Electrolytes is an essential resource that explores the key characterization techniques of polymer electrolytes and reveals how they are applied in electrochemical devices.
Systematic Computational And Experimental Investigation Of Lithium Ion Transport Mechanisms In Polyester Based Polymer Electrolytes
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Author :
language : en
Publisher:
Release Date : 2015
Systematic Computational And Experimental Investigation Of Lithium Ion Transport Mechanisms In Polyester Based Polymer Electrolytes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Understanding the mechanisms of lithium-ion transport in polymers is crucial for the design of polymer electrolytes. We combine modular synthesis, electrochemical characterization, and molecular simulation to investigate lithium-ion transport in a new family of polyester-based polymers and in poly(ethylene oxide) (PEO). Theoretical predictions of glass-transition temperatures and ionic conductivities in the polymers agree well with experimental measurements. Interestingly, both the experiments and simulations indicate that the ionic conductivity of PEO, relative to the polyesters, is far higher than would be expected from its relative glass-transition temperature. The simulations reveal that diffusion of the lithium cations in the polyesters proceeds via a different mechanism than in PEO, and analysis of the distribution of available cation solvation sites in the various polymers provides a novel and intuitive way to explain the experimentally observed ionic conductivities. This work provides a platform for the evaluation and prediction of ionic conductivities in polymer electrolyte materials.
Synthesis And Characterization Of Solid Polymer Electrolytes
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Author : Anji Reddy Polu
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2012-08
Synthesis And Characterization Of Solid Polymer Electrolytes written by Anji Reddy Polu and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08 with categories.
Ion conducting polymer electrolytes in thin flexible forms show great technological potentials to fabricate all-solid-state mini/micro electrochemical power sources viz. batteries, fuel cells, supercapacitors etc. This book contains the synthesis and characterization of solid polymer electrolytes, is mainly focused on the objectives: to develop some new Mg2+ ion conducting solid polymer and composite polymer electrolytes using a novel solution casting technique; to characterize these materials using various models and experimental techniques; to understand the ion transport properties; subsequently, to employ these solid polymer electrolytes in the fabrication of solid state batteries and study the cell performances under constant load. This book is also provide the basic ideas of ion conduction mechanism in polymer electrolytes and also explained various models for transport phenomenon.
Ion Transport In Polymer Electrolytes
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Author : Fei Fan
language : en
Publisher:
Release Date : 2015
Ion Transport In Polymer Electrolytes written by Fei Fan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Lithium ion batteries categories.
Batteries with superior performance will advance many technologies, such as the field of energy storage and electrochemical devices. Traditional lithium ion batteries based on liquid electrolytes have intrinsic problems such as leaking, dendrite growth, and those problems are associated with fire or even explosion hazard. Extensive efforts have been devoted into the development of solid polymer electrolytes (SPEs), which would not only reduce the size and weight of the batteries, but also solve safety related issues. However, none of current dry SPEs have reached the desired conductivity of 10-3 [0.001] S/cm at ambient temperature. The ion conductivity is controlled by two parameters, the free ion concentration and ion diffusivity. Despite the generally accepted theory that ion diffusion is facilitated by the segmental relaxation of the polymer, the mechanism of ion transport in SPEs is not completely understood. In this dissertation, the ion transport in different SPEs systems were studied with a combination of experimental techniques: dielectric spectroscopy, differential scanning calorimetry and rheology. The ion transport mechanism was investigated in poly(propylene glycol) (PPG) doped with LiClO4 [lithium perchlorate]. A comprehensive analysis was performed by systematically varying the temperature, pressure, polymer molecular weight and salt concentration. It was found that the ion transport was controlled by the segmental relaxation of the "ion-rich" phase in the system, which obeyed the traditional theory. On the contrary, decoupling was observed in several carbonate and styrene based polymer electrolytes. Analysis indicated that the decoupling feature might be related to the packing frustration in those systems. Polymerized ionic liquids (PolyILs) offer an opportunity of combining the high conductivity of ionic liquids and the superior mechanical strength of polymer. Unlike their small molecule analogue-aprotic ionic liquids, decoupling feature was observed in studied PolyILs. The variation of the pendant group structures altered the fragility index of the samples and thus the degree of decoupling. Unraveling the mechanisms of the ion transport and structure-property relationship in SPEs is of obvious fundamental and industrial importance. Findings in this work suggested new routes for future polymer electrolytes design of desired properties.
Development And Characterization Of Ion Conducting Polymer Electrolytes
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Author : Vijaya Kumar Kambila
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2011-04
Development And Characterization Of Ion Conducting Polymer Electrolytes written by Vijaya Kumar Kambila and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04 with categories.
The Research and Development of Solid Conducting Polymer Electrolytes has become has always an identifiable.The Solid Conducting Polymer Electrolytes are of technological interest due to their possible application as solid Electrolytes in different devices such as energy conversion units(Batteries, Fuel Cells), smart windows, photo-electrochemical solar cells. This book contains the development and characterization of Poly Ethylene Oxide(PEO) complexed with different bicarbonate salts and their characterization by several spectroscopic techniques IR, XRD, DSC, SEM and Composition & Temperature Dependance Conductivity and transport number measurements which were employed to characterize these polymer electrolyte systems. First the speed of the developments in Solid Ion Conducting Polymer Electrolytes for Batteries, sensors and low temperature fuel cells makes it necessary to record another "snapshot of this research field." Second, this detailed book/monograph narrows the field into study of Ion Conducting Materials, Characterization, processing and properties relevant to device applications that require bulk, and mainly Ionic Materials for device applications.
Electrolytes For Lithium And Lithium Ion Batteries
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Author : T. Richard Jow
language : en
Publisher: Springer
Release Date : 2014-05-06
Electrolytes For Lithium And Lithium Ion Batteries written by T. Richard Jow and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-06 with Technology & Engineering categories.
Electrolytes for Lithium and Lithium-ion Batteries provides a comprehensive overview of the scientific understanding and technological development of electrolyte materials in the last several years. This book covers key electrolytes such as LiPF6 salt in mixed-carbonate solvents with additives for the state-of-the-art Li-ion batteries as well as new electrolyte materials developed recently that lay the foundation for future advances. This book also reviews the characterization of electrolyte materials for their transport properties, structures, phase relationships, stabilities, and impurities. The book discusses in-depth the electrode-electrolyte interactions and interphasial chemistries that are key for the successful use of the electrolyte in practical devices. The Quantum Mechanical and Molecular Dynamical calculations that has proved to be so powerful in understanding and predicating behavior and properties of materials is also reviewed in this book. Electrolytes for Lithium and Lithium-ion Batteries is ideal for electrochemists, engineers, researchers interested in energy science and technology, material scientists, and physicists working on energy.
Polymer Electrolytes And Their Composites For Energy Storage Conversion Devices
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Author : Achchhe Lal Sharma
language : en
Publisher: CRC Press
Release Date : 2022-11-28
Polymer Electrolytes And Their Composites For Energy Storage Conversion Devices written by Achchhe Lal Sharma and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-28 with Science categories.
Polymer Electrolytes and their Composites for Energy Storage/Conversion Devices presents a state-of-the-art overview of the research and development in the use of polymers as electrolyte materials for various applications. It covers types of polymer electrolytes, ion dynamics, and the role of dielectric parameters and a review of applications. Divided into two parts, the first part of the book focuses on the types of polymer electrolytes, ion dynamics, and the role of dielectric parameters, while the second part provides a critical review of applications based on polymer electrolytes and their composites. This book: Presents the fundamentals of polymer composites for energy storage/conversion devices Explores the ion dynamics and dielectric properties role in polymer electrolytes Provides detailed preparation methods and important characterization techniques to evaluate the electrolyte potential Reviews analysis of current updates in polymer electrolytes Includes various applications in supercapacitor, battery, fuel cell, and electrochromic windows The book is aimed at researchers and graduate students in physics, materials science, chemistry, materials engineering, energy storage, engineering physics, and industry.
Rational Design Of Nanostructured Polymer Electrolytes And Solid Liquid Interphases For Lithium Batteries
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Author : Snehashis Choudhury
language : en
Publisher: Springer Nature
Release Date : 2019-09-25
Rational Design Of Nanostructured Polymer Electrolytes And Solid Liquid Interphases For Lithium Batteries written by Snehashis Choudhury and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-25 with Technology & Engineering categories.
This thesis makes significant advances in the design of electrolytes and interfaces in electrochemical cells that utilize reactive metals as anodes. Such cells are of contemporary interest because they offer substantially higher charge storage capacity than state-of-the-art lithium-ion battery technology. Batteries based on metallic anodes are currently considered impractical and unsafe because recharge of the anode causes physical and chemical instabilities that produce dendritic deposition of the metal leading to catastrophic failure via thermal runaway. This thesis utilizes a combination of chemical synthesis, physical & electrochemical analysis, and materials theory to investigate structure, ion transport properties, and electrochemical behaviors of hybrid electrolytes and interfacial phases designed to prevent such instabilities. In particular, it demonstrates that relatively low-modulus electrolytes composed of cross-linked networks of polymer-grafted nanoparticles stabilize electrodeposition of reactive metals by multiple processes, including screening electrode electrolyte interactions at electrochemical interfaces and by regulating ion transport in tortuous nanopores. This discovery is significant because it overturns a longstanding perception in the field of nanoparticle-polymer hybrid electrolytes that only solid electrolytes with mechanical modulus higher than that of the metal electrode are able to stabilize electrodeposition of reactive metals.
Characterization Of Transport Phenomena In Polymer Electrolyte Systems
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Author : Hooman Hafezi
language : en
Publisher:
Release Date : 2002
Characterization Of Transport Phenomena In Polymer Electrolyte Systems written by Hooman Hafezi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.