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Books > Science & Mathematics > Chemistry > Physical chemistry > Electrochemistry & magnetochemistry
This book presents a computational scheme for calculating the electronic properties of crystalline systems at an ab-ini tio Hartree-Fock level of approximation. The first chapter is devoted to discussing in general terms the limits and capabilities of this approximation in solid state studies, and to examining the various options that are open for its implementation. The second chapter illustrates in detail the algorithms adopted in one specific computer program, CRYSTAL, to be submitted to QCPE. Special care is given to illustrating the role and in: fluence of computational parameters, because a delicate compromise must always be reached between accuracy and costs. The third chapter describes a number of applications, in order to clarify the possible use of this kind of programs in solid state physics and chemistry. Appendices A, B, and C contain various standard expressions, formulae, and definitions that may be useful for reference purposes; appendix D is intended to facilitate the interpretations of symbols, conventions, and acronyms that occur in the book. Thanks are due to all those who have contributed to the implementation and test of the CRYSTAL program, especially to V.R. Saunders and M. Causal, and to F. Ricca, E. Ferrero, R. Or lando, E. Ermondi, G. Angonoa, P. Dellarole, G. Baracco
All-solid-state batteries have gained much attention as the next-generation batteries. This book is about various Li ion ceramic electrolytes and their applications to all-solid-state battery. It contains a wide range of topics from history of ceramic electrolytes and ion conduction mechanisms to recent research achievements. Here oxide-type and sulfide-type ceramic electrolytes are described in detail. Additionally, their applications to all-solid-state batteries, including Li-air battery and Li-S battery, are reviewed.Consisting of fundamentals and advanced technology, this book would be suitable for beginners in the research of ceramic electrolytes; it can also be used by scientists and research engineers for more advanced development.
This lecture note gives an analysis of electronic structure effects for a new class of molecular solids, i. e. one-dimensional organometal lic systems formed by transition-met. l atoms that are embedded in a matrix of macrocyclic organic ligands. These systems as well as orga nic metals have focused considerable interest due to the potential formation of high-mobility charge carriers. For the present author it is difficult to participate in this restriction on a single physical property (i. e. high electronic conductivities, technical applications, etc. ). The lecture note is hopefully a small contribution to enhance the general understanding of certain electronic properties in organo metallic polymers. Those problems have been considered in the first place that seem to form a theoretical deficit in one specific field of solid-state chemistry. For the reader it will become evident that this contribution is a compromise always guided and limited by boundaries: i) An attempt to present problems to a .chemical. audience which have their roots in solid-state physics. ii) The model calculations are limited by the currently available computational facilities. This .boundary. implies that the compu tational data a e subject to severe theoretical approximations. iii) Theorists have often a strong tendency to identify their numeri cal results and models with physical effects. Also this lecture note is not free of this almost universal trend. Nevertheless the author hopes that this text leads to some insight into a rather modern research field. M. e. B6hm I."
The ideal addition to the companion volume on fundamentals,
methodologies, and applications, this second volume combines
fundamental information with an overview of the role of ceramic
membranes, electrodes and interfaces in this important,
interdisciplinary and rapidly developing field.
This is the first ever compendium of double photoionisation spectra, covering some 70 of the most important small and medium sized molecules and thus providing an essential starting point for studies of the consequences of ionisation by high energy photons in both terrestrial and astrophysical environments. It also provides a complete non-mathematical description of all the phenomena and pathways involved in molecular double photoionisation. Most spectra are presented with identification of the electronic states and leading orbital configurations. The technique of magnetic bottle time-of-flight electron spectroscopy, used for all the spectra, is fully explained and compared with other techniques. For each molecule, the book gives full references to relevant work by complementary techniques and to theoretical calculations. Written in a clear non-mathematical style, this book is accessible to students as well as more experienced researchers. The authors have designed the layout for easy retrieval of any desired spectrum through the systematic organisation and ordering of the compounds and thorough indexing. As well as being a compendium of spectra, the book is a textbook covering all the known phenomenological aspects of molecular double photoionisation. The important phenomena are first mentioned in the introductory chapters, and are discussed in more detail in connection with the groups of molecules and individual cases where they are most relevant. The most useful spectra will be available in digital form for users.
Electrochemistry is clearly an important component of the technology of many quite diverseindustries. Moreover, the future for electrochemical technology is bright and there is a general expectation that new applications of electrochemistry will become economic as the world responds to the challenge of more expensive energy, of the need to develop new materials and to exploit different chemical feedstocks and of the necessity to protect the environment. " Inthis situation, the present rather fragmentary state ofelectrochemical technology is disappointing. Whilethere are many similarities in the underlying principles and even the practices of the electrochemically based industries, they are often not fully appreciated. Certainly, the Rand D programmes in many industries are in the hands of those with little formal training and whose experience of and interest in other branches of electrochemistry is very limited. Moreover, the academic world has done little to help. Electrode processes are, too often, totally ignored in courses to both scientists and engineers and certainly electrochemical technology is almost never taught as a unified subject with an appropriate balance between fundamentals, engineering and applications. Overall, it isnot surprising that the various strands have not interwoven and that scientists and engineers do not have a proper appreciation of the importance of electrochemical technology. Inthe first half of 1979 I conducted a survey into the research and development needs of the various industries in Britain using electrochemical technology.
In the last fifty years. computational chemistry has made impressive strides. Huckel NO computations were rapidly succeeded by semiempirical monodeterminantal Self Consistent Field (SCF) MO calculations which now give way to high quality ab initio calculations of the poly-determinantal SCF-MO and Generalized VB variety. By contrast. no analogous progress has been made in the area of the qualitative theo~ of chemical bonding. In fact. more than a half-centu~ after the exposition of HUckel MO theory the conceptual superstructure of chemist~ is still founded on it. This is made glaringly evident by the fact that highly sophisticated computations are still interpreted with primitive HUckel MO theory. despite the fact that most chemists are well aware of its formal deficiencies. The current popularity Qf qual1tati. ve MO theory among experimental i sts is not the resul t ~f fonnai -advances ~Wt, rather the consequence of stimulating application of old MO theoreti~a. 1 ~oncepts. : . . " This work attemps to improve this situation by outlining a~t. iJlitative theory of chemical bonding which operates at a high level of theoretical sophistication. It was first presented at the NATO Advanced Study Institute on "Topics in Theoretical Organic Chemistry" in Gargnano. Italy. in June 1979. and in other international meetings and conferences. colloquia. and informal gatherings in the period of time follOWing the Gargnano meeting. It was also presented in a seminar given at the University of Washington in October 1980.
This book introduces the synthesis and modification of 3D hierarchical porous graphene materials and presents various applications of it. By directly constructing a 3D graphene framework with sp2 hybridization and hierarchical porosity, this book is aimed to bridge the gap between 2D ideal nanostructure and 3D practical materials by systematically studying the growth mechanism, synthetic methodology, customized application, and system promotion of 3D hierarchical porous graphene (hpG) materials. The achievements presented offer a valuable contribution to the fundamental research and the industrial development of graphene with significantly improved performance and also inspire further research into various nanomaterials beyond graphene.
This comprehensive handbook covers all fundamentals of electrochemistry for contemporary applications. It provides a rich presentation of related topics of electrochemistry with a clear focus on energy technologies. It covers all aspects of electrochemistry starting with theoretical concepts and basic laws of thermodynamics, non-equilibrium thermodynamics and multiscale modeling. It further gathers the basic experimental methods such as potentiometry, reference electrodes, ion-sensitive electrodes, voltammetry and amperometry. The contents cover subjects related to mass transport, the electric double layer, ohmic losses and experimentation affecting electrochemical reactions. These aspects of electrochemistry are especially examined in view of specific energy technologies including batteries, polymer electrolyte and biological fuel cells, electrochemical capacitors, electrochemical hydrogen production and photoelectrochemistry. Organized in six parts, the overall complexity of electrochemistry is presented and makes this handbook an authoritative reference and definitive source for advanced students, professionals and scientists particularly interested in industrial and energy applications.
Electrochemical processes play an increasingly large role in our daily lives; whether in producing or saving energy, rust protection or nerve stimuli in our bodies. This 11-volume encyclopedia provides both an easy introduction to all topics related to modern electrochemistry as well as a comprehensive overview of the subject. Unrivalled in its breadth and depth, this first-class reference work has been created and written by renowned scientists, covering everything from fundamental research to areas of application. Editors-in-Chief: Allen Bard, Martin Stratmann Volume 1: Thermodynamics and Electrified Interfaces (Editors: Eliezer Gileadi, Micheal Urbakh) Volume 2: Interfacial Kinetics and Mass Transport (Editor: Ernesto Julio Calvo) Volume 3: Instrumentation and Electroanalytical Chemistry (Editor: Pat Unwin) Volume 4: Corrosion and Oxide Films (Editors: Martin Stratmann, Gerald S. Frankel) Volume 5: Electrochemical Engineering (Editor: Digby D. Macdonald) Volume 6: Semiconductor Electrodes and Photoelectrochemistry (Editor: Stuart Licht) Volume 7: Inorganic Electrochemistry (Editors: William E. Geiger, Chris Pickett) Volume 8: Organic Electrochemistry (Editor: Hans J. Schafer) Volume 9: Bioelectrochemistry (Editor: George S. Wilson) Volume 10: Modified Electrodes (Editors: Israel Rubinstein, Masamichi Fujihira) Volume 11: Index
This reference brings together, for the first time, information on the electrochemical and physicochemical properties of carbon that are relevant to the understanding of its electrochemical behavior. The book is divided into three major sections. The first section reviews the manufacture and physicochemical properties of commercial carbons. The second section presents a discussion on the characteristics and types of carbon electrodes. The third section explores the wide range of applications of carbon in electrochemical systems. Features many tables and figures, as well as numerous references.
This book offers an essential overview of screen-printing. Routinely utilised to fabricate a range of useful electrochemical architectures, screen-printing is also used in a broad range of areas in both industry and academia. It supports the design of next-generation electrochemical sensing platforms, and allows proven laboratory-based approaches to be upscaled and commercially applied. To those skilled in the art, screen-printing allows novel and useful electrochemical architectures to be mass produced, offering fabrication processes that are cost-effective yet highly reproducible and yield significant electrical benefits. However, there is no readily available textbook that actually equips readers to set about the task of screen-printing, explaining its techniques and implementation. Addressing that gap, this book will be of interest to both academics and industrialists delving into screen-printing for the first time. It offers an essential resource for those readers who want learn to successfully design, fabricate and implement (and mass-produce) electrochemical based architectures, as well as those who already have a basic understanding of the process and want to advance their technical knowledge and skills.
This book is a concise introductory guide to understanding the field of modern batteries, which is fast becoming an important area for applications in renewable energy storage, transportation, and consumer devices. By using simplified classroom-tested methods developed while teaching the subject to engineering students, the author explains in simple language an otherwise complex subject in terms that enable readers to gain a rapid understanding of battery basics and the fundamental scientific and engineering concepts and principles behind the technology. This powerful tutorial is a great resource for engineers from other disciplines, technicians, analysts, investors, and other busy professionals who need to quickly acquire a solid understanding of the fast emerging and disruptive battery landscape.
Excellent teaching and resource material . . . it is concise,
coherently structured, and easy to read . . . highly recommended
for students, engineers, and researchers in all related
fields."
This book reports on the development of nanostructured metal-oxide-based electrode materials for use in water purification. The removal of organic pollutants and heavy metals from wastewater is a growing environmental and societal priority. This book thus focuses primarily on new techniques to modify the nanostructural properties of various solvent-electrolyte combinations to address these issues. Water treatment is becoming more and more challenging due to the ever increasing complexity of the pollutants present, requiring alternative and complementary approaches toward the removal of toxic chemicals, heavy metals and micro-organisms, to name a few. This contributed volume cuts across the fields of electrochemistry, water science, materials science, and nanotechnology, while presenting up-to-date experimental results on the properties and synthesis of metal-oxide electrode materials, as well as their application to areas such as biosensing and photochemical removal of organic wastewater pollutants. Featuring an introductory chapter on electrochemical cells, this book is well positioned to acquaint interdisciplinary researchers to the field, while providing topical coverage of the latest techniques and methodology. It is ideal for students and research professionals in water science, materials science, and chemical and civil engineering.
This book introduces readers to the preparation of metal nanocrystals and its applications. In this book, an important point highlighted is how to design noble metal nanocrystals at the atomic scale for energy conversion and storage. It also focuses on the controllable synthesis of water splitting electrode materials including anodic oxygen evolution reaction (OER) and cathode hydrogen evolution reaction (HER) at the atomic level by defect engineering and synergistic effect. In addition, in-situ technologies and theoretical calculations are utilized to reveal the catalytic mechanisms of catalysts under realistic operating condition. The findings presented not only enrich research in the nano-field, but also support the promotion of national and international cooperation.
Electrochemistry is a discipline of wide scientific and technological interest. Scientifically, it explores the electrical properties of materials and especially the interfaces between different kinds of matter. Technologically, electrochemistry touches our lives in many ways that few fully appreciate; for example, materials as diverse as aluminum, nylon, and bleach are manufactured electrochemically, while the batteries that power all manner of appliances, vehicles, and devices are the products of electrochemical research. Other realms in which electrochemical science plays a crucial role include corrosion, the disinfection of water, neurophysiology, sensors, energy storage, semiconductors, the physics of thunderstorms, biomedical analysis, and so on. This book treats electrochemistry as a science in its own right, albeit resting firmly on foundations provided by chemistry, physics, and mathematics. Early chapters discuss the electrical and chemical properties of materials from which electrochemical cells are constructed. The behavior of such cells is addressed in later chapters, with emphasis on the electrodes and the reactions that occur on their surfaces. The role of transport to and from electrodes is a topic that commands attention, because it crucially determines cell efficiency. Final chapters deal with voltammetry, the methodology used to investigate electrode behavior. Interspersed among the more fundamental chapters are chapters devoted to applications of electrochemistry: electrosynthesis, power sources, "green electrochemistry," and corrosion. "Electrochemical Science and Technology" is addressed to all who have a need to come to grips with the fundamentals of electrochemistry and to learn about some of its applications. It will constitute a text for a senior undergraduate or graduate course in electrochemistry. It also serves as a source of material of interest to scientists and technologists in various fields throughout academia, industry, and government - chemists, physicists, engineers, environmentalists, materials scientists, biologists, and those in related endeavors. This book: Provides a background to electrochemistry, as well as treating the topic itself. Is accessible to all with a foundation in physical science, not solely to chemists. Is addressed both to students and those later in their careers. Features web links (through www.wiley.com/go/EST) to extensive material that is of a more tangential, specialized, or mathematical nature. Includes questions as footnotes to support the reader's evolving comprehension of the material, with fully worked answers provided on the web. Provides web access to Excel(R) spreadsheets which allow the reader to model electrochemical events. Has a copious Appendix of relevant data.
The Art and Practice of Court Administration explores the context in which court administration is practiced and identifiesthe qualities and skills court administrators need. Divided into two major parts, part one covers the history of the field and how courts are organized, environmental conditions in which court administration is practiced, special impact on courts of the elected clerk of court, prosecutor, and the sheriff, the judge's administrative roles, as well as how a judge's judicial and administrative roles work with management. The second part reviews a new approach for setting and adjusting priorities among the multiple functions courts perform-the Hierarchy of Court Administration. It defines priorities, analyzes court roles that establish mission critical functions, and sets an agenda for advancing courts throughout this century. Thorough and complete, The Art and Practice of Court Administration details how courts operate, the court administrator's position and responsibilities, and approachestoissues and problems.
Companion to Chemical Thermodynamics accompanies the newly published Chemical Thermodynamics, 6th Edition, a well-known upper-division undergraduate/graduate text on classical thermodynamics.
"An Introduction to Aqueous Electrolyte Solutions" is a comprehensive coverage of solution equilibria and properties of aqueous ionic solutions. Acid/base equilibria, ion pairing, complex formation, solubilities, reversible emf's and experimental conductance studies are all illustrated by many worked examples. Theories of non-ideality leading to expressions for activity coefficients, conductance theories and investigations of solvation are described; great care being taken to provide detailed verbal clarification of the key concepts of these theories. The theoretical development focuses on the physical aspects, with the mathematical development being fully explained. An overview of the thermodynamic background is given. Each chapter includes intended learning outcomes and worked problems and examples to encourage student understanding of this multidisciplinary subject. An invaluable text for students taking courses in chemistry and chemical engineering. This book will also be useful for biology, biochemistry and biophysics students who may be required to study electrochemistry as part of their course. A comprehensive introduction to the behaviour and properties of aqueous ionic solutions, including clear explanation and development of key concepts and theoriesClear, student friendly style clarifying complex aspects which students find difficultKey developments in concepts and theory explained in a descriptive manner to encourage student understandingIncludes worked problems and examples throughout |
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