Anion Transport In Perfluorinated Ionomer Membranes Microform

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Canadiana

Author : Anonim
Publisher : Unknown
Page : 824 pages
File Size : 53,6 Mb
Release : 1986
Category : Canada
ISBN : MINN:319510019004438

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Canadiana by Anonim Pdf

Mass Transfer and Kinetics of Ion Exchange

Author : L. Liberti,F.G. Helfferich
Publisher : Springer Science & Business Media
Page : 461 pages
File Size : 46,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400968998

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Mass Transfer and Kinetics of Ion Exchange by L. Liberti,F.G. Helfferich Pdf

While ion-exchange processes were originally used for the treatment of very dilute solutions, many applications for the treatment of concentrated solu tions have been developed in recent years. In these situations, the mass transfer bottlenecks are located in the~, rather than the liquid phase. Therefore, the development of quantitative models for ion-exchange kinetics requires knowledge about the conductance characteristics of ions and solvent in the solid phase. A useful approach towards this aim is the study of trans port characteristics of these species, and of their interactions in solid ion exchange membranes. Many different transport processes and related phenomena can be observed in membrane-solution systems, e.g., ion migration, electroosmosis, diffusion arid self-diffusion, osmosis, hydraulic flow, hyperfiltration (reverse osmosis) or ultrafiltration, streaming potential and streaming current, and membrane potentials (also called "membrane concentration potentials"). It is important to correlate all these phenomena so as to avoid a very large number of unnec essary measurements. Such correlation is often possible [Meares, 1976] since all these phenomena are determined by the ease of migration of the different species across the membrane. Important correlations have been made and summar ized even before high-capacity ion-exchange membranes became commercially available [Sollner, 1950, 197iJ.

Comprehensive Dissertation Index

Author : Anonim
Publisher : Unknown
Page : 710 pages
File Size : 47,9 Mb
Release : 1989
Category : Dissertations, Academic
ISBN : UOM:39015065693528

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Comprehensive Dissertation Index by Anonim Pdf

High Temperature Polymer Electrolyte Membrane Fuel Cells

Author : Qingfeng Li,David Aili,Hans Aage Hjuler,Jens Oluf Jensen
Publisher : Springer
Page : 545 pages
File Size : 44,6 Mb
Release : 2015-10-15
Category : Technology & Engineering
ISBN : 9783319170824

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High Temperature Polymer Electrolyte Membrane Fuel Cells by Qingfeng Li,David Aili,Hans Aage Hjuler,Jens Oluf Jensen Pdf

This book is a comprehensive review of high-temperature polymer electrolyte membrane fuel cells (PEMFCs). PEMFCs are the preferred fuel cells for a variety of applications such as automobiles, cogeneration of heat and power units, emergency power and portable electronics. The first 5 chapters of the book describe rationalization and illustration of approaches to high temperature PEM systems. Chapters 6 - 13 are devoted to fabrication, optimization and characterization of phosphoric acid-doped polybenzimidazole membranes, the very first electrolyte system that has demonstrated the concept of and motivated extensive research activity in the field. The last 11 chapters summarize the state-of-the-art of technological development of high temperature-PEMFCs based on acid doped PBI membranes including catalysts, electrodes, MEAs, bipolar plates, modelling, stacking, diagnostics and applications.

Polymer Electrolytes

Author : Tan Winie,Abdul K. Arof,Sabu Thomas
Publisher : John Wiley & Sons
Page : 416 pages
File Size : 51,8 Mb
Release : 2020-02-18
Category : Science
ISBN : 9783527342006

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Polymer Electrolytes by Tan Winie,Abdul K. Arof,Sabu Thomas Pdf

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.

Direct Alcohol Fuel Cells

Author : Horacio R. Corti,Ernesto R. Gonzalez
Publisher : Springer Science & Business Media
Page : 370 pages
File Size : 50,7 Mb
Release : 2013-12-02
Category : Science
ISBN : 9789400777088

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Direct Alcohol Fuel Cells by Horacio R. Corti,Ernesto R. Gonzalez Pdf

Direct Alcohol Fuel Cells: Materials, Performance, Durability and Applications begins with an introductory overview of direct alcohol fuel cells (DAFC); it focuses on the main goals and challenges in the areas of materials development, performance, and commercialization. The preparation and the properties of the anodic catalysts used for the oxidation of methanol, higher alcohols, and alcohol tolerant cathodes are then described. The membranes used as proton conductors in DAFC are examined, as well as alkaline membranes, focusing on the electrical conductivity and alcohol permeability. The use of different kinds of carbon materials as catalyst supports, gas diffusion layers, and current collectors in DAFC is also discussed. State of the art of the modeling is used to estimate performance and durability. The closing chapter reviews the use of DAFC in portable equipment and mobile devices and features a detailed discussion on the mechanisms of component degradation which limits their durability. This book is written to facilitate the understanding of DAFC technology, applications, and future challenges. It is an excellent introduction for electrochemical and material engineers interested in small fuel cells as portable energy sources, scientists focused on materials science for energy production and storage, as well as policy-makers in the area of renewable energies.

Organic-Inorganic Composite Polymer Electrolyte Membranes

Author : Dr Inamuddin,Ali Mohammad,Abdullah M. Asiri
Publisher : Springer
Page : 460 pages
File Size : 46,6 Mb
Release : 2017-05-10
Category : Technology & Engineering
ISBN : 9783319527390

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Organic-Inorganic Composite Polymer Electrolyte Membranes by Dr Inamuddin,Ali Mohammad,Abdullah M. Asiri Pdf

This volume explores the latest developments in the area of polymer electrolyte membranes (PEMs) used for high-temperature fuel cells. Featuring contributions from an international array of researchers, it presents a unified viewpoint on the operating principles of fuel cells, various methodologies used for the fabrication of PEMs, and issues related to the chemical and mechanical stabilities of the membranes. Special attention is given to the fabrication of electrospun nanocomposite membranes. The editors have consciously placed an emphasis on developments in the area of fast-growing and promising PEM materials obtained via hygroscopic inorganic fillers, solid proton conductors, heterocyclic solvents, ionic liquids, anhydrous H3PO4 blends, and heteropolyacids. This book is intended for fuel cell researchers and students who are interested in a deeper understanding of the organic–inorganic membranes used in fuel cells, membrane fabrication methodologies, properties and clean energy applications.

Applications of Ionic Liquids in Polymer Science and Technology

Author : David Mecerreyes
Publisher : Springer
Page : 387 pages
File Size : 54,7 Mb
Release : 2015-04-08
Category : Science
ISBN : 9783662449035

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Applications of Ionic Liquids in Polymer Science and Technology by David Mecerreyes Pdf

This book summarizes the latest knowledge in the science and technology of ionic liquids and polymers in different areas. Ionic liquids (IL) are actively being investigated in polymer science and technology for a number of different applications. In the first part of the book the authors present the particular properties of ionic liquids as speciality solvents. The state-of-the art in the use of ionic liquids in polymer synthesis and modification reactions including polymer recycling is outlined. The second part focuses on the use of ionic liquids as speciality additives such as plasticizers or antistatic agents. The third part examines the use of ionic liquids in the design of functional polymers (usually called polymeric ionic liquids (PIL) or poly(ionic liquids)). Many important applications in diverse scientific and industrial areas rely on these polymers, like polymer electrolytes in electrochemical devices, building blocks in materials science, nanocomposites, gas membranes, innovative anion sensitive materials, smart surfaces, and a countless set range of emerging applications in different fields such as energy, optoelectronics, analytical chemistry, biotechnology, nanomedicine or catalysis.

Ion Exchange Technology I

Author : Inamuddin Dr.,Mohammad Luqman
Publisher : Springer Science & Business Media
Page : 561 pages
File Size : 49,9 Mb
Release : 2012-06-02
Category : Science
ISBN : 9789400717008

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Ion Exchange Technology I by Inamuddin Dr.,Mohammad Luqman Pdf

Ion-exchange Technology I: Theory and Materials describes the theoretical principles of ion-exchange processes. More specifically, this volume focuses on the synthesis, characterization, and modelling of ion-exchange materials and their associated kinetics and equilibria. This title is a highly valuable source not only to postgraduate students and researchers but also to industrial R&D specialists in chemistry, chemical, and biochemical technology as well as to engineers and industrialists.

Hydrogen and Fuel Cell

Author : Johannes Töpler,Jochen Lehmann
Publisher : Springer
Page : 281 pages
File Size : 45,9 Mb
Release : 2015-12-20
Category : Technology & Engineering
ISBN : 9783662449721

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Hydrogen and Fuel Cell by Johannes Töpler,Jochen Lehmann Pdf

This book introduces readers to hydrogen as an essential energy carrier for use with renewable sources of primary energy. It provides an overview of the state of the art, while also highlighting the developmental and market potential of hydrogen in the context of energy technologies; mobile, stationary and portable applications; uninterruptible power supplies and in the chemical industry. Written by experienced practitioners, the book addresses the needs of engineers, chemists and business managers, as well as graduate students and researchers.

Composite Materials

Author : Kamal K. Kar
Publisher : Springer
Page : 686 pages
File Size : 53,6 Mb
Release : 2016-10-14
Category : Technology & Engineering
ISBN : 9783662495148

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Composite Materials by Kamal K. Kar Pdf

Composite materials are used as substitutions of metals/traditional materials in aerospace, automotive, civil, mechanical and other industries. The present book collects the current knowledge and recent developments in the characterization and application of composite materials. To this purpose the volume describes the outstanding properties of this class of advanced material which recommend it for various industrial applications.

Chemical Tradename Dictionary

Author : Michael Ash,Irene Ash
Publisher : John Wiley & Sons
Page : 550 pages
File Size : 42,5 Mb
Release : 1996-12-17
Category : Science
ISBN : 0471188573

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Chemical Tradename Dictionary by Michael Ash,Irene Ash Pdf

This key reference will serve as the most comprehensive source for identifying and locating products in the international chemical marketplace. It has been written for the chemists, materials sientists, end-product formulators, industrial application specialists and scientists working in associated fields.

Soft Actuators

Author : Kinji Asaka,Hidenori Okuzaki
Publisher : Springer Nature
Page : 740 pages
File Size : 46,9 Mb
Release : 2019-08-28
Category : Technology & Engineering
ISBN : 9789811368509

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Soft Actuators by Kinji Asaka,Hidenori Okuzaki Pdf

This book is the second edition of Soft Actuators, originally published in 2014, with 12 chapters added to the first edition. The subject of this new edition is current comprehensive research and development of soft actuators, covering interdisciplinary study of materials science, mechanics, electronics, robotics, and bioscience. The book includes contemporary research of actuators based on biomaterials for their potential in future artificial muscle technology. Readers will find detailed and useful information about materials, methods of synthesis, fabrication, and measurements to study soft actuators. Additionally, the topics of materials, modeling, and applications not only promote the further research and development of soft actuators, but bring benefits for utilization and industrialization. This volume makes generous use of color figures, diagrams, and photographs that provide easy-to-understand descriptions of the mechanisms, apparatus, and motions of soft actuators. Also, in this second edition the chapters on modeling, materials design, and device design have been given a wider scope and made easier to comprehend, which will be helpful in practical applications of soft actuators. Readers of this work can acquire the newest technology and information about basic science and practical applications of flexible, lightweight, and noiseless soft actuators, which differ from conventional mechanical engines and electric motors. This new edition of Soft Actuators will inspire readers with fresh ideas and encourage their research and development, thus opening up a new field of applications for the utilization and industrialization of soft actuators.

Lithium Metal Anodes and Rechargeable Lithium Metal Batteries

Author : Ji-Guang Zhang,Wu Xu,Wesley A. Henderson
Publisher : Springer
Page : 194 pages
File Size : 49,6 Mb
Release : 2016-10-06
Category : Technology & Engineering
ISBN : 9783319440545

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Lithium Metal Anodes and Rechargeable Lithium Metal Batteries by Ji-Guang Zhang,Wu Xu,Wesley A. Henderson Pdf

This book provides comprehensive coverage of Lithium (Li) metal anodes for rechargeable batteries. Li is an ideal anode material for rechargeable batteries due to its extremely high theoretical specific capacity (3860 mAh g-1), low density (0.59 g cm-3), and the lowest negative electrochemical potential (−3.040 V vs. standard hydrogenelectrodes). Unfortunately, uncontrollable dendritic Li growth and limited Coulombic efficiency during Li deposition/stripping inherent in these batteries have prevented their practical applications over the past 40 years. With the emergence of post Liion batteries, safe and efficient operation of Li metal anodes has become an enabling technology which may determine the fate of several promising candidates for the next generation energy storage systems, including rechargeable Li-air batteries, Li-S batteries, and Li metal batteries which utilize intercalation compounds as cathodes. In this work, various factors that affect the morphology and Coulombic efficiency of Li anodes are analyzed. The authors also present the technologies utilized to characterize the morphology of Li deposition and the results obtained by modeling of Li dendrite growth. Finally, recent developments, especially the new approaches that enable safe and efficient operation of Li metal anodes at high current densities are reviewed. The urgent need and perspectives in this field are also discussed. The fundamental understanding and approaches presented in this work will be critical for the applicationof Li metal anodes. The general principles and approaches can also be used in other metal electrodes and general electrochemical deposition of metal films.