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.

From the late-1960’s, perfluorosulfonic acid (PFSAs) ionomers have dominated the PEM fuel cell industry as the membrane material of choice. The “gold standard’ amongst the many variations that exist today has been, and to a great extent still is, DuPont’s Nafion® family of materials. However, there is significant concern in the industry that these materials will not meet the cost, performance, and durability requirementsnecessary to drive commercialization in key market segments – es- cially automotive. Indeed, Honda has already put fuel cell vehicles in the hands of real end users that have home-grown fuel cell stack technology incorporating hydrocarbon-based ionomers. “Polymer Membranes in Fuel Cells” takes an in-depth look at the new chem- tries and membrane technologies that have been developed over the years to address the concerns associated with the materials currently in use. Unlike the PFSAs, which were originally developed for the chlor-alkali industry, the more recent hydrocarbon and composite materials have been developed to meet the specific requirements of PEM Fuel Cells. Having said this, most of the work has been based on derivatives of known polymers, such as poly(ether-ether ketones), to ensure that the critical requirement of low cost is met. More aggressive operational requi- ments have also spurred the development on new materials; for example, the need for operation at higher temperature under low relative humidity has spawned the creation of a plethora of new polymers with potential application in PEM Fuel Cells.

Polymer Composites Derived from Animal Sources presents a systematic review of recent developments in this important research field. The book provides a thorough introduction to the various types of animal-based material resources currently available, and discusses their morphology, extraction process, sustainability, formation, properties, and applications. Emphasis is placed on applications of polymer composites derived from wool, silk, chicken, bovine, marine life, and animal waste. Different types of processing techniques are discussed in detail as well as chemical modification, interfacial adhesion, and the structure-property relationship. The book will be a valuable reference resource for academic and industrial researchers, and materials scientists and engineers working on the research and development of natural-based composites derived from animal sources. - Provides a comprehensive reference on the preparation and applications of high-performance polymer composites derived from animal sources - Covers materials selection, design solutions, manufacturing techniques, characterization, structural analysis, and performance for various applications - Includes extraction methods, surface treatment, and modification and fabrication methods - Focuses on economic and environmental aspects

Proceedings of the 2006 Powder Metallurgy, World Congress & Exhibition (PM 2006), held in Busan Exhibition & Convention Center (BEXCO), Busan, Korea, September 24-28, 2006

Providing the reader with an up to date digest of the most important research currently carried out in the field, Electrochemistry Volume 14 is compiled and written by leading experts from across the globe. Coverage includes chapters on the use of metal organic frameworks as a precursor for electrocatalytic centre supports to enhance the oxygen reduction process in low temperature fuel cell systems, electrocatalysis for ethanol electrooxidation in alkaline media, and new polymer electrolyte and electrocatalysts for direct alcohol fuel cells. This volume is a key reference for researchers providing a timely overview of this exciting and developing area.

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This book presents emerging economical and environmentally friendly polymer composites that are free of the side effects observed in traditional composites. It focuses on eco-friendly composite materials using granulated cork, a by-product of the cork industry; cellulose pulp from the recycling of paper residues; hemp fibers; and a range of other environmentally friendly materials procured from various sources. The book presents the manufacturing methods, properties and characterization techniques of these eco-friendly composites. The respective chapters address classical and recent aspects of eco-friendly polymer composites and their chemistry, along with practical applications in the biomedical, pharmaceutical, automotive and other sectors. Topics addressed include the fundamentals, processing, properties, practicality, drawbacks and advantages of eco-friendly polymer composites. Featuring contributions by experts in the field with a variety of backgrounds and specialties, the book will appeal to researchers and students in the fields of materials science and environmental science. Moreover, it fills the gap between research work in the laboratory and practical applications in related industries.

Renewable Energy Production and Distribution: Solutions and Opportunities, Volume Four, the latest release in the Advances in Renewable Energy Technologies series, looks at the production performance of renewable energy sources and emerging production processes. Containing all major renewable energy technologies in individual chapters, this reference includes some of the most dynamic developments, good practices and future concepts in solar energy systems, energy storage, geothermal energy, bioenergy and hydrogen production. By reviewing these advances, considering them in real world applications and analyzing key challenges, this book provides readers with an up-to-date resource on renewable energy grid integration and its importance. This newest volume will be of interest to sustainability, energy and engineering graduates, researchers, professors as well as industry professionals involved in the renewable energy sector. - Highlights best practices and future ideas for a range of renewable energy technologies, including solar energy, energy storage and geothermal energy - Discusses the latest challenges in emerging energy production processes - Presents real-world applications to bridge the gap between energy research and practice

Offers a comprehensive overview of membrane science and technology from a single source Written by a renowned author with more than 40 years’ experience in membrane science and technology, and polymer science Covers all major current applications of membrane technology in two definitive volumes Includes academic analyses, applications and practical problems for each existing membrane technology Includes novel applications such as membrane reactors, hybrid systems and optical resolution as well as membrane fuel cells

PROTON EXCHANGE MEMBRANE FUEL CELLS Edited by one of the most well-respected and prolific engineers in the world and his team, this book provides a comprehensive overview of hydrogen production, conversion, and storage, offering the scientific literature a comprehensive coverage of this important fuel. Proton exchange membrane fuel cells (PEMFCs) are among the most anticipated stationary clean energy devices in renewable and alternative energy. Despite the appreciable improvement in their cost and durability, which are the two major commercialization barriers, their availability has not matched demand. This is mainly due to the use of expensive metal-catalyst, less durable membranes, and poor insight into the ongoing phenomena inside proton exchange membrane fuel cells. Efforts are being made to optimize the use of precious metals as catalyst layers or find alternatives that can be durable for more than 5000 hours. Computational models are also being developed and studied to get an insight into the shortcomings and provide solutions. The announcement by various companies that they will be producing proton exchange membrane fuel cells-based cars by 2025 has accelerated the current research on proton exchange membrane fuel cells. The breakthrough is urgently needed. The membranes, catalysts, polymer electrolytes, and especially the understanding of diffusion layers, need thorough revision and improvement to achieve the target. This exciting breakthrough volume explores these challenges and offers solutions for the industry. Whether for the student, veteran engineer, new hire, or other industry professionals, this is a must-have for any library.