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Rotating Electrode Methods And Oxygen Reduction Electrocatalysts

Author: Wei Xing
Publisher: Elsevier
ISBN: 0444633286
Size: 46.38 MB
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This book provides the latest information and methodologies of rotating disk electrode and rotating ring-disk electrode (RDE/RRDE) and oxygen reduction reaction (ORR). It is an ideal reference for undergraduate and graduate students, scientists, and engineers who work in the areas of energy, electrochemistry science and technology, fuel cells, and other electrochemical systems. Presents a comprehensive description, from fundamentals to applications, of catalyzed oxygen reduction reaction and its mechanisms Portrays a complete description of the RDE (Rotating Disc Electrode)/RRDE (Rotating Ring-Disc Electrode) techniques and their use in evaluating ORR (Oxygen Reduction Reaction) catalysts Provides working examples along with figures, tables, photos and a comprehensive list of references to help understanding of the principles involved

Chalcogenide Materials For Energy Conversion

Author: Nicolas Alonso-Vante
Publisher: Springer
ISBN: 3319896121
Size: 65.81 MB
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This book addresses electrocatalysis based on chalcogenides, particularly in the nanoscale domain. Special attention is paid to the hydrogen evolution reaction (HER) and the oxygen reduction reaction (ORR). The book provides an introduction to materials synthesis; the basic principles of electrocatalysis; related precious metal versus non-precious metal catalytic center chalcogenides as well as supports; and the role of such supports in stabilizing the catalytic centers. In short: pursuing a bottom-up approach, it covers the properties of this class of electrocatalysts and examines their applications in low-temperature fuel systems such as microfluidic fuel cells for portable devices. Accordingly, it is ideally suited for all professionals and researchers interested in electrochemistry, renewable energy and electrocatalysis, and non-precious metal centers for chemical energy conversion.

Fuel Cells And Hydrogen

Author: Viktor Hacker
Publisher: Elsevier
ISBN: 0128115378
Size: 62.27 MB
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Fuel Cells and Hydrogen: From Fundamentals to Applied Research provides an overview of the basic principles of fuel cell and hydrogen technology, which subsequently allows the reader to delve more deeply into applied research. In addition to covering the basic principles of fuel cells and hydrogen technologies, the book examines the principles and methods to develop and test fuel cells, the evaluation of the performance and lifetime of fuel cells and the concepts of hydrogen production. Fuel Cells and Hydrogen: From Fundamentals to Applied Research acts as an invaluable reference book for fuel cell developers and students, researchers in industry entering the area of fuel cells and lecturers teaching fuel cells and hydrogen technology. Includes laboratory methods for fuel cell characterization and manufacture Outlines approaches in modelling components, cells and stacks Covers practical and theoretical methods for hydrogen production and storage

Nanomaterials For Fuel Cell Catalysis

Author: Kenneth I. Ozoemena
Publisher: Springer
ISBN: 3319299301
Size: 79.72 MB
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Global experts provide an authoritative source of information on the use of electrochemical fuel cells, and in particular discuss the use of nanomaterials to enhance the performance of existing energy systems. The book covers the state of the art in the design, preparation, and engineering of nanoscale functional materials as effective catalysts for fuel cell chemistry, highlights recent progress in electrocatalysis at both fuel cell anode and cathode, and details perspectives and challenges in future research.

Encyclopedia Of Interfacial Chemistry

Author:
Publisher: Elsevier
ISBN: 0128098945
Size: 77.54 MB
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Encyclopedia of Interfacial Chemistry: Surface Science and Electrochemistry summarizes current, fundamental knowledge of interfacial chemistry, bringing readers the latest developments. As the chemical and physical properties and processes at solid and liquid interfaces are the scientific basis of so many technologies which enhance our lives and create new opportunities, its important to highlight how these technologies enable the design and optimization of functional materials for heterogeneous and electro-catalysts in food production, pollution control, energy conversion and storage, medical applications requiring biocompatibility, drug delivery, and more. This book provides an interdisciplinary view that lies at the intersection of these three related fields. Presents fundamental knowledge of interfacial chemistry, surface science and electrochemistry and provides cutting-edge research from academics and practitioners across various fields and global regions

Oxygen Reduction Reaction Measurements On Platinum Electrocatalysts Utilizing Rotating Disk Electrode Technique

Author:
Publisher:
ISBN:
Size: 48.39 MB
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Platinum electrocatalysts supported on high surface area and Vulcan carbon blacks (Pt/HSC, Pt/V) were characterized in rotating disk electrode (RDE) setups for electrochemical area (ECA) and oxygen reduction reaction (ORR) area specific activity (SA) and mass specific activity (MA) at 0.9 V. Films fabricated using several ink formulations and film-drying techniques were characterized for a statistically significant number of independent samples. The highest quality Pt/HSC films exhibited MA 870 ± 91 mA/mgPt and SA 864 ± 56 [mu]A/cm2 Pt while Pt/V had MA 706 ± 42 mA/mgPt and SA 1120 ± 70 [mu]A/cm2 Pt when measured in 0.1 M HClO4, 20 mV/s, 100 kPa O2 and 23±2°C. An enhancement factor of 2.8 in themeasured SA was observable on eliminating Nafion ionomer and employing extremely thin, uniform films (~4.5 [mu]g/cm2 Pt) of Pt/HSC. The ECA for Pt/HSC (99 ± 7 m2/gPt) and Pt/V (65 ± 5 m2/gPt) were statistically invariant and insensitive to film uniformity/thickness/fabrication technique; accordingly, enhancements in MA are wholly attributable to increases in SA. Impedance measurements coupled with scanning electron microscopy were used to de-convolute the losses within the catalyst layer and ascribed to the catalyst layer resistance, oxygen diffusion, and sulfonate anion adsorption/blocking. The ramifications of these results for proton exchange membrane fuel cells have also been examined.

Electrocatalysis

Author: G. Brisard
Publisher: The Electrochemical Society
ISBN: 1566777186
Size: 66.64 MB
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The papers included in this issue of ECS Transactions were originally presented in the symposium ¿Electrocatalysis¿, held during the PRiME 2008 joint international meeting of The Electrochemical Society and The Electrochemical Society of Japan, with the technical cosponsorship of the Japan Society of Applied Physics, the Korean Electrochemical Society, the Electrochemistry Division of the Royal Australian Chemical Institute, and the Chinese Society of Electrochemistry. This meeting was held in Honolulu, Hawaii, from October 12 to 17, 2008.

Fuel Cell Seminar 2010

Author: M. C. Williams
Publisher: The Electrochemical Society
ISBN: 1566778832
Size: 61.14 MB
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The papers included in this issue of ECS Transactions were originally presented at the 2010 Fuel Cell Seminar & Exposition, held in San Antonio, Texas, October 18-21, 2010.

Mes 23 Electrochemistry Nanotechnology And Biomaterials

Author: Manuel Palomar-Pardave
Publisher: The Electrochemical Society
ISBN: 1566776856
Size: 60.47 MB
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This is a celebratory issue for the Mexican Electrochemical Society (MES), as the works gathered in this volume were presented as part of the first co-sponsored congress with the Mexican Section of The Electrochemical Society (ECS). From June 1 to 6, 2008, in Ensenada, Baja California, on the northwestern cost of Mexico, MES organized its 23rd national congress to include representatives from almost all research institutions where the discipline is taught in Mexico.

Pem Fuel Cell Electrocatalysts And Catalyst Layers

Author: Jiujun Zhang
Publisher: Springer Science & Business Media
ISBN: 1848009364
Size: 73.75 MB
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Proton exchange membrane (PEM) fuel cells are promising clean energy converting devices with high efficiency and low to zero emissions. Such power sources can be used in transportation, stationary, portable and micro power applications. The key components of these fuel cells are catalysts and catalyst layers. “PEM Fuel Cell Electrocatalysts and Catalyst Layers” provides a comprehensive, in-depth survey of the field, presented by internationally renowned fuel cell scientists. The opening chapters introduce the fundamentals of electrochemical theory and fuel cell catalysis. Later chapters investigate the synthesis, characterization, and activity validation of PEM fuel cell catalysts. Further chapters describe in detail the integration of the electrocatalyst/catalyst layers into the fuel cell, and their performance validation. Researchers and engineers in the fuel cell industry will find this book a valuable resource, as will students of electrochemical engineering and catalyst synthesis.