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Superionic Solids And Solid Electrolytes Recent Trends by Amulya Laskar Pdf
Superionic Solids and Solid Electrolytes: Recent Trends describes the fundamental aspects, unique properties, and potential applications of superionic solids and solid electrolytes. These materials significantly contribute to the development of the solid state ionics technology. This book is divided into 17 chapters, and begins with an overview of various materials, such as glasses, heterogeneous or dispersed phase conductors, proton conductors, Nasicon, and fluorites. These topics are followed by a discussion on the problems related with entropy effects, subsurface space charge, and defect formation parameters. Significant chapters deal with the phenomenological, fractal, molecular dynamics, fluctuations, and correlations in superionic solid and solid electrolyte materials. A chapter tackles the solid state battery applications of solid electrolytes. This text ends with a chapter on the prediction of the potentials of activity in superionics. This book will be of value to graduate students and researchers who are interested in the solid state ionics technology.
This book describes the central aspects of diffusion in solids, and goes on to provide easy access to important information about diffusion in metals, alloys, semiconductors, ion-conducting materials, glasses and nanomaterials. Coverage includes diffusion-controlled phenomena including ionic conduction, grain-boundary and dislocation pipe diffusion. This book will benefit graduate students in such disciplines as solid-state physics, physical metallurgy, materials science, and geophysics, as well as scientists in academic and industrial research laboratories.
Proceedings of the 10th Asian Conference on Solid State Ionics by B. V. R. Chowdari Pdf
The field of solid state ionics deals with ionically conducting materials in the solid state and numerous devices based on such materials. Solid state ionic materials cover a wide spectrum, ranging from inorganic crystalline and polycrystalline solids, ceramics, glasses, polymers, composites and nano-scale materials. A large number of Scientists in Asia are engaged in research in solid state ionic materials and devices and since 1988. The Asian Society for solid state ionics has played a key role in organizing a series of bi-ennial conferences on solid state ionics in different Asian countries. The contributions in this volume were presented at the 10th conference in the series organized by the Postgraduate Institute of Science (PGIS) and the Faculty of Science, University of Peradeniya, Sri Lanka, which coincided with the 10th Anniversary of the Postgraduate Institute of Science (PGIS). The topics cover solid state ionic materials as well as such devices as solid state batteries, fuel cells, sensors, and electrochromic devices. The aspects covered include theoretical studies and modeling, experimental techniques, materials synthesis and characterization, device fabrication and characterization.
Uses an integrated, scientists' approach to the principles regulating the synthesis, structure and physical characteristics of crystalline solids. Mathematical derivations are kept to a minimum. Covers electrical properties of metals and band semiconductors, superionic conductors, ferrites and solid electrolytes. Features end-of-chapter problem sets.
B. V. R. Chowdari,M. A. Careem,M. A. K. L. Dissanayake
Author : B. V. R. Chowdari,M. A. Careem,M. A. K. L. Dissanayake Publisher : World Scientific Page : 586 pages File Size : 50,6 Mb Release : 1996 Category : Electrolytes ISBN : 9789814530163
Solid State Ionics by B. V. R. Chowdari,M. A. Careem,M. A. K. L. Dissanayake Pdf
"The topics covered in this volume include the materials aspect of crystalline and composite electrolytes, polymers, and glasses. Twenty-one invited and forty-five contributed papers emphasize ionic transport, dielectric studies, electronic and mixed conductors, proton conductors, cathode materials, electrochromism, experimental techniques and application of solid state ionic materials in batteries, fuel cells, electrochromic displays and sensors."--Publisher's website.
A First-Principles Study of Highly Anharmonic and Dynamically Disordered Solids by Johan Klarbring Pdf
This thesis is a first-principles theoretical investigation of solid materials with high degrees of anharmonicity. These are systems where the dynamics of the constituent atoms is too complex to be well-described by a set of uncoupled harmonic oscillators. While theoretical studies of such systems pose a significant challenge, they are under increasing demand due to the prevalence of these sytems in next-generation technological applications. Indeed, very anharmonic systems are ubiquitous in envisioned materials for future solid-state batteries and fuel-cells, thermoelectrics and optoelectronics. In some of these cases, the anharmonicity is a “side-effect” that simply has to be dealt with in order to accurately model certain properties, while in other cases the anharmonicity is the origin of the high-performance of the material. There are two main parts to the thesis: The first is on materials with perovskite-related structures. This is a very large class of materials, members of which are typically highly anharmonic, not least in relation to a series of complex phase transformations between different structural modifications. In the thesis, I have studied a specific class of such phase-transformations that relate to tilting of the framework of octahedra that make up the structure. The oxide CaMnO3 and a set of inorganic halide perovskites were taken as model systems. The results shed some light on the experimentally observed differences between the local and average atomic structure in these systems. I have further studied Cs2AgBiBr6, a member of the so-called lead-free halide double perovskites. I rationalized its temperature induced phase transformation and found high degrees of anharmonicity and ultra-low thermal conductivity. Finally, I studied the influence of nuclear quantum effects, which are often ignored in computational modelling, on the structure and bonding in the hybrid organic-inorganic lead-halide perovskite, CH3NH3PbI3. The second part of the thesis deals with theoretical studies of the phase stability of dynamically disordered solids. These are solids which have some sort of time-averaged long-range order, characteristic of a crystalline solid, but where the anharmonicity is so strong that the basic concept of an equilibrium atomic position cannot be statically assigned to all atoms. Examples include certain solids with very fast ionic conduction, so called superionics, and solids with rotating molecular units. This absence of equilibrium atomic positions makes many standard computational techniques to evaluate phase-stability inapplicable. I outline a method to deal with this issue, which is based on a stress-strain thermodynamic integration on a deformation path from an ordered variant to the dynamically disordered phase itself. I apply the method to study the phase stability of the high-temperature ?-phase of Bi2O3, which is the fastest know solid oxide ion conductor, and to Li2C2, whose high temperature cubic phase contains rotating C2 dimers. The thesis exemplifies the need to go beyond many of the standard approximations used in first-principles computational materials science if accurate theoretical predictions are to be made. This is true, in particular, for many emerging material classes in the field of energy materials. I den konventionella teoretiska modellen för ett (kristallint) fast material antags varje atom kunna tillordnas en jämviktsposition. Rörelsen av atomerna runt dessa jämviktspositioner antags sedan ofta vara harmoniskt, d.v.s. hyfsat kunna beskrivs i termer av en samling (kvantmekaniska) fjädrar. Denna avhandling behandlar teori- och beräkningsstudier av material där ett eller båda av dessa antaganden inte är giltiga, så kallade anharmoniska material. En nogrann teoretisk behandling av sådana material är ofta ordentligt utmanande. I takt med en snabb teknologiska utveckling ställs allt mer specifika och stränga krav på de material som behövs för diverse applikationer. Inom flertalet områden dyker då denna typ av komplexa och anharmoniska material upp som potentiella kandidater. Till exempel som fastelektrolyter för batterier och bränsleceller eller som solcellsmaterial. Inom vissa applikationer är denna anharmonicitet en bieffekt som man helt enkelt måste ta hänsyn till för att kunna göra noggranna teoretiska förutsägelser om diverse materialegenskaper, i andra fall är anharmoniciteten själva ursprunget för materialets goda egenskaper. I den första delen av avhandlingen behandlar jag material som har, eller är nära relaterade till, den så kallade perovskitstrukturen. Detta är en väldigt stor klass av material, och strukturen dyker därför upp inom en mängd olika tillämpningar, inte minst i lovande solcellsmaterial. Dessa material är ofta mycket anharmoniska, vilket tar sig uttryck bland annat i en rad komplexa fastransformationer mellan olika typer av perovskitmodifikationer. I perovskitoxiden CaMnO3, samt i en samling halogenperovskiter, har jag har studerat en specifik typ av fastransformationer som tillkommer på grund av rotationer av de oktaedrar som utgör en del av strukturen. Jag har fortsatt studerat den väldigt kraftiga anharmoniciteten i den så kallade blyfria halogendubbelperovskiten Cs2AgBiBr6, och slutligen har jag studerat hur en kvantmekanisk behandling av atomkärnorna, något som oftast inte görs, påverkar materialegenskaper i CH3NH3PbI3, en så kallad hybrid organisk-inorganisk bly-halogenperovskit, som är ett extremt lovande solcellsmaterial. I den andra delen av avhandlingen studerar jag dynamiskt oordnade fasta material. I dessa material är atomernas rörelse för komplex för att varje atom ska kunna tilldellas en statisk jämviktsposition. Material i denna klass är, till exempel, lovande som fastelektrolyter i bränsleceller och batterier. Mer specifikt studerar jag en typ av fasövergång, från en ordnad fas till en fas med dynamisk oordning, som ofta sker när dessa material värms upp. Jag introducerar en beräkningsmetod för att utvärdera deras fasstabilitet. Metoden är baserad på en så kallad termodynamisk integration, utförd mellan en ordnad variant och den dynamiskt oordnade fasen själv. Metoden gör det möjligt att beräkna fastransformationstemperaturer i denna typ av material. Jag applicerar metoden på Bi2O3, som i sin ?-fas är det fasta material med högst känd syrejonledningsförmåga, samt på Li2C2 vars kubiska fas innehåller roterande C2 molekyler. Resultaten stämmer bra överens med kända experimentella mätningar.
Author : Chowdari B V R,Careem M A,Dissanayake M A K L Publisher : World Scientific Page : 584 pages File Size : 41,7 Mb Release : 1996-11-20 Category : Electronic ISBN : 9789814546577
Solid State Ionics: New Developments - Proceedings Of The 5th Asian Conf by Chowdari B V R,Careem M A,Dissanayake M A K L Pdf
The topics covered in this volume include the materials aspect of crystalline and composite electrolytes, polymers, and glasses. Twenty-one invited and forty-five contributed papers emphasize ionic transport, dielectric studies, electronic and mixed conductors, proton conductors, cathode materials, electrochromism, experimental techniques and application of solid state ionic materials in batteries, fuel cells, electrochromic displays and sensors.
Novel Inorganic Solids and Nanomaterials by Priti Malhotra,Shikha Gulati Pdf
This book focuses on Material Sciences and encompasses inorganic solids and nanomaterials. It covers the new syllabi prescribed by UGC & University of Delhi under the New Education Policy (NEP) for B.Sc. (Honours) and B.Sc. (Programme) courses. This book is organized in fifteen chapters that provide the theoretical aspects of each topic along with their practical facets. The topics include introduction to inorganic solids, synthesis and modification methodologies of inorganic solids, inorganic solids of technological importance, nanomaterials, nanobiomaterials, characterization techniques, molecular materials, composite materials, ion exchange resins and speciality chemicals/polymers. The last chapter includes laboratory experiments, to enhance perception of the topic. Some important questions related to the experiments for viva voce are provided at the end of each experiment. In every experiment teachers’ notes, not given in any book, are given at the end which will be helpful for teachers. Hence, this book not only provides education to the students but also serves as a reference book for the teachers and industrial chemists. The question bank is also compiled at the end of each chapter.
Handbook of Solid State Batteries & Capacitors by M. Z. A. Munshi Pdf
Solid state power sources have developed remarkably in the last three decades owing to improvements in technology and a greater understanding of the underlying basic sciences. In particular, a greater impetus has recently been placed in developing and commercializing small, lightweight, and highly energetic solid state power sources driven by demands from portable consumer electronics, medical technology, sensors, and electric vehicles. This comprehensive handbook features contributions by forerunners in the field of solid state power source technology from universities, research organizations, and industry. It is directed at the physicist, chemist, materials scientist, electrochemist, electrical engineer, science students, battery and capacitor technologists, and evaluators of present and future generations of power sources, as a reference text providing state-of-the-art reviews on solid state battery and capacitor technologies, and also insights into likely future developments in the field. The volume covers a comprehensive series of articles that deal with the fundamental aspects and experimental aspects of solid state power sources, an in-depth discussion on the state of the various technologies, and applications of these technologies. A description of the recent developments on solid state capacitor technology, and a comprehensive list of references in each and every article will help the reader with an encyclopedia of hidden information. The organization of the material has been carefully divided into thirty-one chapters to ensure that the handbook is thoroughly comprehensive and authoritative on the subject for the reader.
Solid State Ionics - Proceedings Of The 3rd Asian Conference On by B V R Chowdari Pdf
This book constitutes the proceedings of an up-to-date and comprehensive meeting devoted to the question whether baryon number violation can occur — in the standard model of weak and electromagnetic interactions — at rates which can be relevant to cosmology and particle experiment. There has been a great deal of activity and many new results in the past year, and the meeting was the first occasion for a review of the field. It is the only source in which all the work in this field is reviewed in a single volume. As such, it would provide a useful reference for graduate students and researchers wanting to learn more about this area.
Nanoparticle-Based Polymer Composites by Sanjay Mavinkere Rangappa,Jyotishkumar Parameswaranpillai,Yashas Gowda T G,Suchart Siengchin,M. Ozgur Seydibeyoglu Pdf
Nanoparticle-Based Polymer Composites discusses recent advancements on the synthesis, processing, characterization and applications of this new class of hybrid materials. Chapters cover recycling and lifecycle assessment, with contributions from leading researchers in industry, academics, the government and private research institutes from across the globe. As nanoparticle-based polymer composites are now replacing traditional polymer composites in a broad range of applications such as fuel cells, electronic and biomedical devices, this book presents the latest advancements in the field. Studies have shown that incorporating metal nanoparticles in polymer matrices can improve their mechanical, thermal, electrical and barrier properties. The unique combination of these properties makes this new class of materials suitable for a broad range of different and advanced applications. Features recent advancements on the synthesis, processing and characterization of nanoparticle-based polymer composites Discusses recycling and lifecycle assessment Highly application-orientated, with contributions from leading international researchers in industry, academia, the government and private research institutes
Advanced Energy Materials by Ashutosh Tiwari,Sergiy Valyukh Pdf
An essential resource for scientists designing new energy materials for the vast landscape of solar energy conversion as well as materials processing and characterization Based on the new and fundamental research on novel energy materials with tailor-made photonic properties, the role of materials engineering has been to provide much needed support in the development of photovoltaic devices. Advanced Energy Materials offers a unique, state-of-the-art look at the new world of novel energy materials science, shedding light on the subject’s vast multi-disciplinary approach The book focuses particularly on photovoltaics, efficient light sources, fuel cells, energy-saving technologies, energy storage technologies, nanostructured materials as well as innovating materials and techniques for future nanoscale electronics. Pathways to future development are also discussed. Critical, cutting-edge subjects are addressed, including: Non-imaging focusing heliostat; state-of-the-art of nanostructures Metal oxide semiconductors and their nanocomposites Superionic solids; polymer nanocomposites; solid electrolytes; advanced electronics Electronic and optical properties of lead sulfide High-electron mobility transistors and light-emitting diodes Anti-ferroelectric liquid crystals; PEEK membrane for fuel cells Advanced phosphors for energy-efficient lighting Molecular computation photovoltaics and photocatalysts Photovoltaic device technology and non-conventional energy applications Readership The book is written for a large and broad readership including researchers and university graduate students from diverse backgrounds such as chemistry, materials science, physics, and engineering working in the fields of nanotechnology, photovoltaic device technology, and non-conventional energy.
Handbook Of Solid State Batteries (Second Edition) by Dudney Nancy J,West William C,Nanda Jagjit Pdf
Solid-state batteries hold the promise of providing energy storage with high volumetric and gravimetric energy densities at high power densities, yet with far less safety issues relative to those associated with conventional liquid or gel-based lithium-ion batteries. Solid-state batteries are envisioned to be useful for a broad spectrum of energy storage applications, including powering automobiles and portable electronic devices, as well as stationary storage and load-leveling of renewably generated energy. This comprehensive handbook covers a wide range of topics related to solid-state batteries, including advanced enabling characterization techniques, fundamentals of solid-state systems, novel solid electrolyte systems, interfaces, cell-level studies, and three-dimensional architectures. It is directed at physicists, chemists, materials scientists, electrochemists, electrical engineers, battery technologists, and evaluators of present and future generations of power sources. This handbook serves as a reference text providing state-of-the-art reviews on solid-state battery technologies, as well as providing insights into likely future developments in the field. It is extensively annotated with comprehensive references useful to the student and practitioners in the field.
Atomic Transport in Solids by A. R. Allnatt,A. B. Lidiard Pdf
This book provides the fundamental statistical theory of atomic transport in crystalline solids, that is the means by which processes occurring at the atomic level are related to macroscopic transport coefficients and other observable quantities. The cornerstones of the authors' treatment are (i) the physical concepts of lattice defects, (ii) the phenomenological description provided by non-equilibrium thermodynamics and (iii) the various methods of statistical mechanics used to link these (kinetic theory, random-walk theory, linear response theory etc.). The book is primarily concerned with transport in the body of crystal lattices and not with transport on surfaces, within grain boundaries or along dislocations, although much of the theory here presented can be applied to these low-dimensional structures when they are atomically well ordered and regular.