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Dielectric Polymer Materials For High Density Energy Storage

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Dielectric Polymer Materials for High Density Energy Storage

Dielectric Polymer Materials for High Density Energy Storage Book
Author : Zhi-Min Dang
Publisher : William Andrew
Release : 2018-06-13
ISBN : 0128132167
Language : En, Es, Fr & De

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Book Description :

Dielectric Polymer Materials for High-Density Energy Storage begins by introducing the fundamentals and basic theories on the dielectric behavior of material. It then discusses key issues on the design and preparation of dielectric polymer materials with strong energy storage properties, including their characterization, properties and manipulation. The latest methods, techniques and applications are explained in detail regarding this rapidly developing area. The book will support the work of academic researchers and graduate students, as well as engineers and materials scientists working in industrial research and development. In addition, it will be highly valuable to those directly involved in the fabrication of capacitors in industry, and to researchers across the areas of materials science, polymer science, materials chemistry, and nanomaterials. Focuses on how to design and prepare dielectric polymer materials with strong energy storage properties Includes new techniques for adjusting the properties of dielectric polymer materials Presents a thorough review of the state-of-the-art in the field of dielectric polymer materials, providing valuable insights into potential avenues of development

Plasticizers Derived from Post consumer PET

Plasticizers Derived from Post consumer PET Book
Author : Ewa Langer,Krzysztof Bortel,Marta Lenartowicz-Klik,Sylwia Waskiewicz
Publisher : William Andrew
Release : 2019-11-15
ISBN : 0323462006
Language : En, Es, Fr & De

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Book Description :

Plasticizers Derived from Post-Consumer PET: Research Trends and Potential Applications presents a roadmap to the successful use of post-consumer PET to obtain plasticizers for later use, a proposal which presents both economic and sustainability advantages. Based on the results of the latest research into the development of chemical recycling techniques of PET waste, this book describes techniques where the plasticizer obtained can be utilized for value addition in PVC and other polymers. In addition, the book provides basic introductory information on the role of plasticizers in the modification of polymers, basic quality requirements, and the latest trends in the synthesis and use of plasticizers in industry, also presenting the available methods of PET recycling, with particular emphasis on chemical recycling, analysis of the PET market, the availability of post-consumer PET, and its value as a raw material for other products. Based on the authors' research, the book discusses the use of post-consumer PET in the synthesis of monomeric and oligomeric plasticizers. Synthesis conditions are shown in detail, and the influence of the structure of synthesized softeners on their basic quality parameters are assessed and compared with selected commercially available products. In the final sections, the book covers the economic challenges and benefits of this process and its application to newly developed products. Presents a step-by-step introduction to the methods of recycling PET into usable plasticizers Provides a viable, actionable alternative to landfills for post-consumer PET, enabling the recycling of more waste polymer and reducing the carbon footprint of PET Analyzes the economic benefits and challenges of this process Compares the quality of the output to commercially available products

High Energy Density and Low Loss Polymer Dielectrics for Energy Storage Capacitors and Organic Electronics

High Energy Density  and Low Loss Polymer Dielectrics for Energy Storage Capacitors and Organic Electronics Book
Author : Shan Wu
Publisher : Unknown
Release : 2014
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Electrical energy storage devices are among the most important components for a broad range of applications in modern electronics and electrical power systems such as hybrid electric vehicles (HEV), medical defibrillators, filters, and switched-mode power supplies. Due to these applications, electrical energy storage devices have been growing rapidly in recent years. Desired properties of the dielectrics for energy storage include high electric energy density, high charge-discharge efficiency, high electric breakdown, and high operation temperature. Compared with ceramic capacitors, polymer thin film capacitors are inexpensive, possess high dielectric strength, high energy density and low dielectric loss, and fail gracefully. The continuous miniaturization and increased functionality in modern electronics and electric power systems demand further increases in energy and power density of dielectric materials since these capacitors contribute significant (>30%) volume and weight to systems. One major challenge in developing dielectric polymers is realizing high energy density while maintaining low dielectric loss, even when high electric fields are applied. The traditional dielectric polymers have a relatively low dielectric constant around 2-3, and the energy density is limited to below 5 J/cm3. Recently, PVDF (polyvinylidene fluoride) based dielectric polymers such as P(VDF-CTFE) (CTFE: chlorotrifluoroethylene) and P(VDF-HFP) (HFP: hexafluoropropylene) have been studied and demonstrated to achieve very high energy densities (>25 J/cm3). Unfortunately, it is still a challenge to reduce the ferroelectric loss in PVDF based polymers by the strongly coupled dipoles and the high electric field conduction loss. Two approaches are introduced in this dissertation on how to develop the next generation polymer dielectrics with high energy density, low loss, high breakdown strength, and high temperature stability. The first approach is modification of high K polymer dielectrics to reduce the ferroelectric loss and conduction loss. The second approach is start from intrinsically low loss materials, then enhance the dielectric properties by increasing the dipole moment and dipole density.A polar-fluoropolymer blend consisting of a high energy density P(VDF-CTFE) and a low dielectric loss poly(ethylene-chlorotrifluoroethylene) (ECTFE) was developed. Both the blend and crosslinked blend films exhibit a dielectric constant of 7 and low loss (1%), as expected from the classical composite theory. Moreover, introducing crosslinking can lead to a marked reduction of losses in blend films at high electric fields while maintaining a high energy density. At 250 MV/m, a loss of 3% can be achieved in the crosslinked blend compared with 7% loss in pure blend, which is already much below that of pure P(VDF-CTFE) (35%). Furthermore, uniaxially stretch can improve the dielectric breakdown strength and mechanical properties.The promise of aromatic, amorphous, and polar polymers containing high dipolar moments with very low defect levels is demonstrated for future dielectric materials with ultrahigh electric-energy density, low loss at high applied fields, and ultrahigh breakdown strengths. Specifically, an amorphous, polar, and glass-phase dielectric polymer aromatic polythiourea (ArPTU) features extremely high dielectric breakdown strength (>1.1 GV/m), low loss at high electric fields (10% at 1.1 GV/m), and a high maximum electrical energy density (>24 J/cm3). This dissertation presents a study of the structure-property relationships and electrical properties study in ArPTU, and offers a phenomenological explanation for the experimentally observed high-field loss characteristics which facilitate the excellent energy storage properties.Besides the aromatic polythiourea, meta-aromatic polyurea (meta-PU) was developed and investigated for energy storage capacitors. Modifications to the molecular structure can tune the dipolar density and dipole moment in the polyurea systems to improve the dielectric properties. The meta-PU has an enhanced dielectric constant from the higher volume dipolar density, higher energy density, and a high electrical breakdown. A high storage electrical energy density of 13 J/cm3 with energy storage efficiency of 91% can be achieved at 670 MV/m electric field. Other polyureas, polythioureas based dielectrics with tunable dielectric properties are also summarized.Polymer dielectrics possessing high dielectric constant, low loss are not only of great importance for energy storage capacitors, but also attractive as gate dielectrics in organic thin film field effect transistors (OTFTs). In this work, solution processable PVDF based polymers, with tunable dielectric constant from 7 to more than 50 as well as ferroelectricity, were used as the gate insulator in bottom gated OTFTs with a pentacene semiconductor layer. Due to the high dielectric constant of P(VDF-TrFE-CFE), a large capacitive coupling between the gate and channel can be achieved which causes a high charge concentration at the interface of the semiconductor and dielectric layers. In devices with the P(VDF-TrFE-CFE) dielectric layer, high performances and a low minimum operation gate voltage (5-10 V) were attained. Also, the ferroelectric thin film transistor with the P(VDF-TrFE) dielectric has a high remnant polarization, which is desired for memory applications.

Polymers and Multicomponent Polymeric Systems

Polymers and Multicomponent Polymeric Systems Book
Author : Jose James,Pramoda Kumari Pallathadka,Sabu Thomas
Publisher : CRC Press
Release : 2019-12-06
ISBN : 0429943474
Language : En, Es, Fr & De

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Book Description :

In recent years, multicomponent polymers have generated much interest due to their excellent properties, unique morphology and high-end applications. Book focusses on thermal, thermo-mechanical and dielectric analysis of polymers and multicomponent polymeric systems like blends, interpenetrating polymeric networks (IPNs), gels, polymer composites, nanocomposites. Through these analyses, it provides an insight into the stability of polymer systems as a function of time, processing and usage. Aimed at polymer chemists, physicists and engineers, it also covers ASTM /ISO and other standards of various measurement techniques for systematic analysis in materials science.

Nanostructures in Ferroelectric Films for Energy Applications

Nanostructures in Ferroelectric Films for Energy Applications Book
Author : Jun Ouyang
Publisher : Elsevier
Release : 2019-07-15
ISBN : 0128138564
Language : En, Es, Fr & De

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Book Description :

Nanostructures in Ferroelectric Films for Energy Applications: Grains, Domains, Interfaces and the Engineering Methods presents methods of engineering nanostructures in ferroelectric films to improve their performance in energy harvesting and conversion and storage. Ferroelectric films, which have broad applications, including the emerging energy technology, usually consist of nanoscale inhomogeneities. For polycrystalline films, the size and distribution of nano-grains determines the macroscopic properties, especially the field-induced polarization response. For epitaxial films, the energy of internal long-range electric and elastic fields during their growth are minimized by formation of self-assembled nano-domains. This book is an accessible reference for both instructors in academia and R&D professionals. Provides the necessary components for the systematic study of the structure-property relationship in ferroelectric thin film materials using case studies in energy applications Written by leading experts in the research areas of piezoelectrics, electrocalorics, ferroelectric dielectrics (especially in capacitive energy storage), ferroelectric domains, and ferroelectric-Si technology Includes a well balanced mix of theoretical design and simulation, materials processing and integration, and dedicated characterization methods of the involved nanostructures

Durability and Reliability of Polymers and Other Materials in Photovoltaic Modules

Durability and Reliability of Polymers and Other Materials in Photovoltaic Modules Book
Author : Hsinjin Edwin Yang,Roger French,Laura Bruckman
Publisher : William Andrew
Release : 2019-06-13
ISBN : 0128115467
Language : En, Es, Fr & De

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Book Description :

Durability and Reliability of Polymers and Other Materials in Photovoltaic Modules describes the durability and reliability behavior of polymers used in Si-photovoltaic modules and systems, particularly in terms of physical aging and degradation process/mechanisms, characterization methods, accelerated exposure chamber and testing, module level testing, and service life prediction. The book compares polymeric materials to traditional materials used in solar applications, explaining the degradation pathways of the different elements of a photovoltaic module, including encapsulant, front sheet, back sheet, wires and connectors, adhesives, sealants, and more. In addition, users will find sections on the tests needed for the evaluation of polymer degradation and aging, as well as accelerated tests to aid in materials selection. As demand for photovoltaics continues to grow globally, with polymer photovoltaics offering significantly lower production costs compared to earlier approaches, this book will serve as a welcome resource on new avenues. Provides comprehensive coverage of photovoltaic polymers, from fundamental degradation mechanisms, to specific case studies of durability and materials failure Offers practical, actionable information in relation to service life prediction of photovoltaic modules and accelerated testing for materials selection Includes up-to-date information and interpretation of safety regulations and testing of photovoltaic modules and materials

Polymer based Smart Materials processes Properties and Application

Polymer based Smart Materials  processes  Properties and Application Book
Author : Anonim
Publisher : Unknown
Release : 2009
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Polymer based Smart Materials processes Properties and Application book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Smart Structures and Materials 2004

Smart Structures and Materials 2004 Book
Author : Yoseph Bar-Cohen
Publisher : Society of Photo Optical
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.

Progress in Materials Science and Engineering ICMSE 2013

Progress in Materials Science and Engineering  ICMSE 2013 Book
Author : Qing Zhou Xu
Publisher : Trans Tech Publications Ltd
Release : 2013-10-07
ISBN : 303826251X
Language : En, Es, Fr & De

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Book Description :

Collection of selected, peer reviewed papers from the 2013 International Conference on Material Science and Engineering (ICMSE2013), October 4-6, 2013, Guilin, Guangxi, China. Chapter 1: Metal Materials; Chapter 2: Electronic and Magnetic Materials; Chapter 3: Optical Materials; Chapter 4: Structural Materials; Chapter 5: Biomaterials and Healthcare; Chapter 6: Energy and Environment Materials; Chapter 7: Nano-Scale and Amorphous Materials; Chapter 8: Functional Materials; Chapter 9: Technologies, Engineering and Processing Materials.

36th Power Sources Conference

36th Power Sources Conference Book
Author : Anonim
Publisher : Unknown
Release : 1994
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download 36th Power Sources Conference book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Advanced Dielectric Materials for Electrostatic Capacitors

Advanced Dielectric Materials for Electrostatic Capacitors Book
Author : Qi Li
Publisher : Energy Engineering
Release : 2020-09
ISBN : 9781785619885
Language : En, Es, Fr & De

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Book Description :

This book provides an overview of key dielectric materials for capacitor technology. It covers preparation and characterization of state-of-the art dielectric materials including ceramics, polymers and polymer nanocomposites, for popular applications including energy storage, microwave communication and multi-layer ceramic capacitors.

Technology 2003

Technology 2003 Book
Author : Anonim
Publisher : Unknown
Release : 1994
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Technology 2003 book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Electroactive Polymers EAP Volume 600

Electroactive Polymers  EAP   Volume 600 Book
Author : Q. M. Zhang,Takeo Furukawa,Yoseph Bar-Cohen,J. Scheinbeim
Publisher : Materials Research Society
Release : 2000-07-17
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.

Digest of Technical Papers

Digest of Technical Papers Book
Author : Anonim
Publisher : Unknown
Release : 1999
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Digest of Technical Papers book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Science

Science Book
Author : John Michels (Journalist)
Publisher : Unknown
Release : 2006
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Science book written by John Michels (Journalist), available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Annual Review of Materials Research

Annual Review of Materials Research Book
Author : Anonim
Publisher : Unknown
Release : 2010
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Annual Review of Materials Research book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Government Reports Announcements Index

Government Reports Announcements   Index Book
Author : Anonim
Publisher : Unknown
Release : 1989-10
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Government Reports Announcements Index book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Electrochemical Capacitors

Electrochemical Capacitors Book
Author : Inamuddin,Mohammad Faraz Ahmer,Abdullah M. Asiri,Sadaf Zaidi
Publisher : Materials Research Forum LLC
Release : 2018-02-25
ISBN : 1945291575
Language : En, Es, Fr & De

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Book Description :

Electrochemical capacitors are most important for the development of future energy storage systems and sustainable power sources. New superior hybrid supercapacitors are based on binary and ternary thin film nanocomposites involving carbon, metal oxides and polymeric materials. The synthesis of materials and fabrication of electrodes for supercapacitor applications is discussed in detail. The book also presents the fundamental theory and a thorough literature review of supercapacitors. Energy Storage, Electrochemical Capacitors, Nanocomposites, Hybrid Supercapacitors, Carbon/Metal Oxide Composites, Metal Oxides/Hydroxides Composites, Polymer Type Capacitors, Nanoscience, Hydrothermal Synthesis, Graphene-based Composites, Ultrasonic Assisted Synthesis

The Five year Outlook The five year outlook

The Five year Outlook  The five year outlook Book
Author : National Science Foundation (U.S.).
Publisher : Unknown
Release : 1980
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download The Five year Outlook The five year outlook book written by National Science Foundation (U.S.)., available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.