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Development Of Novel Electrode Materials For The Electrocatalysis Of Oxygen Transfer And Hydrogen Transfer Reactions
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Book Synopsis Development of Novel Electrode Materials for the Electrocatalysis of Oxygen-transfer and Hydrogen-transfer Reactions by : Brett Kimball Simpson
Download or read book Development of Novel Electrode Materials for the Electrocatalysis of Oxygen-transfer and Hydrogen-transfer Reactions written by Brett Kimball Simpson and published by . This book was released on 2002 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental aspects involved in the electrocatalysis of anodic O-transfer reactions and cathodic H-transfer reactions are studied. The main focus of the study is to increase our knowledge of the processes controlling the transfer reactions and apply this knowledge to the development of novel electrode materials for use as electrochemical sensors. The transfer reactions have prerequisite steps of reactant adsorption at the electrode surface as well as adsorption of O atoms, for O-transfer reactions, and H atoms, for H-transfer reactions. Investigations of anodic O-transfer reactions reveal that MnO2 film electrodes show improved response for dimethyl sulfoxide (DMSO) oxidation as compared to the Au substrate. Doping of the MnO2 film electrodes with Fe(III) enhances electrocatalytic activity for DMSO oxidation. Thermally prepared RuO2 films provide an electrode material that not only exhibits electrocatalytic activity for O-transfer reactions but shows mechanical and chemical stability as well. Doping the RuO2 film electrodes with Fe(III) further increases activity and provides an electrochemical sensor with detection capabilities for DMSO, methionine, and cysteine in the range of 3.2x10−4 mM. Reasons for the increase in activity, caused by doping of the metal oxide films with Fe(III), are attributed to separation of surface sites involved in the adsorption processes required for O-transfer reactions. An investigation of H-transfer reactions, specifically nitrate reduction, initially examines various metals for activity to determine candidates for use in alloy electrodes. The Sb10Sn20Ti--0, Cu63Zn3--, and the Cu25Ni--5 alloy electrodes all show improved response for nitrate reduction as compared to their pure component metals. Reasons for the improved activity are speculated to involve the separation of surface adsorption sites for the processes involved in nitrate reduction. Further examination of Cu-Ni alloys reveals that the nitrate reduction occurs via an 8 e ̄process at the Cu--5Ni25 alloy electrode and a 6 e ̄process at the Cu50Ni50 and the Cu25Ni--5 alloy electrodes. Flow injection data obtained using Cu50Ni50 and Cu25Ni--5 electrodes exhibit detection limits for nitrate of 0.95 [Mu]M and 0.060 [Mu]M, respectively.
Book Synopsis Development of Novel Electrode Materials for the Electrocatalysis of Oxygen-Transfer and Hydrogen-Transfer Reactions by :
Download or read book Development of Novel Electrode Materials for the Electrocatalysis of Oxygen-Transfer and Hydrogen-Transfer Reactions written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout this thesis, the fundamental aspects involved in the electrocatalysis of anodic O-transfer reactions and cathodic H-transfer reactions have been studied. The investigation into anodic O-transfer reactions at undoped and Fe(III)[doped MnO2 films] revealed that MnO2 film electrodes prepared by a cycling voltammetry deposition show improved response for DMSO oxidation at the film electrodes vs. the Au substrate. Doping of the MnO2 films with Fe(III) further enhanced electrode activity. Reasons for this increase are believed to involve the adsorption of DMSO by the Fe(III) sites. The investigation into anodic O-transfer reactions at undoped and Fe(III)-doped RuO2 films showed that the Fe(III)-doped RuO2-film electrodes are applicable for anodic detection of sulfur compounds. The Fe(III) sites in the Fe-RuO2 films are speculated to act as adsorption sites for the sulfur species while the Ru(IV) sites function for anodic discharge of H2O to generate the adsorbed OH species. The investigation into cathodic H-transfer reactions, specifically nitrate reduction, at various pure metals and their alloys demonstrated that the incorporation of metals into alloy materials can create a material that exhibits bifunctional properties for the various steps involved in the overall nitrate reduction reaction. The Sb10Sn20Ti--0, Cu63Ni3-- and Cu25Ni--5 alloy electrodes exhibited improved activity for nitrate reduction as compared to their pure component metals. The Cu63Ni3-- alloy displayed the highest activity for nitrate reduction. The final investigation was a detailed study of the electrocatalytic activity of cathodic H-transfer reactions (nitrate reduction) at various compositions of Cu-Ni alloy electrodes. Voltammetric response for NO3− at the Cu-Ni alloy electrode is superior to the response at the pure Cu and Ni electrodes. This is explained on the basis of the synergism of the two different metal sites at these binary alloy electrodes acting within the proposed response mechanism. Accordingly, adsorbed H-atoms are generated by cathodic discharge of H at the Ni-sites whereas adsorption of NO3− occurs at the Cu-sites.
Book Synopsis Fundamentals of Electrocatalyst Materials and Interfacial Characterization by : Nicolas Alonso-Vante
Download or read book Fundamentals of Electrocatalyst Materials and Interfacial Characterization written by Nicolas Alonso-Vante and published by John Wiley & Sons. This book was released on 2019-02-26 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses some essential topics in the science of energy converting devices emphasizing recent aspects of nano-derived materials in the application for the protection of the environment, storage, and energy conversion. The aim, therefore, is to provide the basic background knowledge. The electron transfer process and structure of the electric double layer and the interaction of species with surfaces and the interaction, reinforced by DFT theory for the current and incoming generation of fuel cell scientists to study the interaction of the catalytic centers with their supports. The chief focus of the chapters is on materials based on precious and non-precious centers for the hydrogen electrode, the oxygen electrode, energy storage, and in remediation applications, where the common issue is the rate-determining step in multi-electron charge transfer processes in electrocatalysis. These approaches are used in a large extent in science and technology, so that each chapter demonstrates the connection of electrochemistry, in addition to chemistry, with different areas, namely, surface science, biochemistry, chemical engineering, and chemical physics.
Book Synopsis Novel Non-Precious Metal Electrocatalysts for Oxygen Electrode Reactions by : Hui Yang
Download or read book Novel Non-Precious Metal Electrocatalysts for Oxygen Electrode Reactions written by Hui Yang and published by MDPI. This book was released on 2019-11-01 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on alternative energy harvesting technologies, conversion and storage systems with high efficiency, cost-effective and environmentally friendly systems, such as fuel cells, rechargeable metal-air batteries, unitized regenerative cells, and water electrolyzers has been stimulated by the global demand on energy. The conversion between oxygen and water plays a key step in the development of oxygen electrodes: oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), processes activated mostly by precious metals, like platinum. Their scarcity, their prohibitive cost, and declining activity greatly hamper large-scale applications. This issue reports on novel non-precious metal electrocatalysts based on the innovative design in chemical compositions, structure, and morphology, and supports for the oxygen reaction.
Book Synopsis Electrocatalytic Materials for Renewable Energy by : Sudheesh K. Shukla
Download or read book Electrocatalytic Materials for Renewable Energy written by Sudheesh K. Shukla and published by John Wiley & Sons. This book was released on 2024-05-07 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: ELECTROCATALYTIC MATERIALS FOR RENEWABLE ENERGY The book provides a comprehensive overview of various electrocatalytic materials and their applications in renewable energy thereby promoting a sustainable and clean energy future for all. As an important branch of catalysts, electrocatalytic materials exhibit important catalytic reactions that can convert and store energy through reactions involving electron transfer. However, the study of electrocatalytic materials presents a huge challenge due to the highly complicated reaction network, the variety of reaction selectivity, and the puzzling reaction mechanisms. Tremendous research efforts have been made toward the fabrication of efficient electrocatalytic materials that can be used in the energy sectors. The book covers a wide range of topics, including the synthesis, characterization, and performance evaluation of electrocatalytic materials for different renewable energy applications. Furthermore, the book discusses the challenges and opportunities associated with the development and utilization of electrocatalytic materials for renewable energy. The future utility of different electrocatalytic materials is also well-defined in the context of the renewable energy approach. The contributors to this book are leading experts in the field of electrocatalytic materials for renewable energy, including scientists and engineers from academia, industry, and national laboratories. Their collective expertise and knowledge provide valuable insights into the latest advances in electrocatalysis for renewable energy applications. Audience This book is intended for researchers and professionals in the fields of materials science, chemistry, physics, and engineering who are interested in the development and utilization of electrocatalytic materials for renewable energy.
Author :Supramaniam Srinivasan Publisher :Springer Science & Business Media ISBN 13 :0387251162 Total Pages :707 pages Book Rating :4.3/5 (872 download)
Book Synopsis Fuel Cells by : Supramaniam Srinivasan
Download or read book Fuel Cells written by Supramaniam Srinivasan and published by Springer Science & Business Media. This book was released on 2006-05-05 with total page 707 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise sourcebook of the electrochemical, engineering and economic principles involved in the development and commercialization of fuel cells offers a thorough review of applications and techno-economic assessment of fuel cell technologies, plus in-depth discussion of conventional and novel approaches for generating energy. Parts I and II explain basic and applied electrochemistry relevant to an understanding of fuel cells. Part III covers engineering and technology aspects. The book is useful for undergraduate and graduate students and scientists interested in fuel cells. Unlike any other current book on fuel cells, each chapter includes problems based on the discussions in the text.
Book Synopsis Oxygen Reduction Reaction by : Kushal Sengupta
Download or read book Oxygen Reduction Reaction written by Kushal Sengupta and published by Elsevier. This book was released on 2022-06-14 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxygen Reduction Reaction: Fundamentals, Materials and Applications covers the design, synthesis and performance efficacies of the entire spectrum of oxygen reduction catalysts, extrapolating down to their applications in practical, alternative, renewable energy devices. Catalysts covered include heme inspired iron-based, heme inspired non-iron-based, non-heme-based, noble metal-based, non-noble metal-based and metal-free homogeneous and heterogeneous catalysts. The book contains critical analyses and opinions from experts around the world, making it of interest to scientists, engineers, industrialists, entrepreneurs and students. - Discusses the fundamental aspects of oxygen reduction reactions - Offers a comprehensive analysis of the choice and development of catalyst materials for oxygen reduction reaction - Reviews emerging catalyst systems for oxygen reduction reaction - Includes analyses of catalytic performance parameters to evaluate their efficacy in oxygen reduction reactions under varied operating conditions - Covers the importance of oxygen reduction reaction catalysts and processes in real-life applications
Book Synopsis Advanced Electrode Materials by : Ashutosh Tiwari
Download or read book Advanced Electrode Materials written by Ashutosh Tiwari and published by John Wiley & Sons. This book was released on 2016-11-04 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the recent advances in electrode materials and their novel applications at the cross-section of advanced materials. The book is divided into two sections: State-of-the-art electrode materials; and engineering of applied electrode materials. The chapters deal with electrocatalysis for energy conversion in view of bionanotechnology; surfactant-free materials and polyoxometalates through the concepts of biosensors to renewable energy applications; mesoporous carbon, diamond, conducting polymers and tungsten oxide/conducting polymer-based electrodes and hybrid systems. Numerous approaches are reviewed for lithium batteries, fuel cells, the design and construction of anode for microbial fuel cells including phosphate polyanion electrodes, electrocatalytic materials, fuel cell reactions, conducting polymer based hybrid nanocomposites and advanced nanomaterials.
Book Synopsis Electrocatalysis of Anodic, Oxygen-transfer Reactions at Noble Metal Electrodes by : Joseph Edward Vitt
Download or read book Electrocatalysis of Anodic, Oxygen-transfer Reactions at Noble Metal Electrodes written by Joseph Edward Vitt and published by . This book was released on 1991 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalysis in Electrochemistry by : Elizabeth Santos
Download or read book Catalysis in Electrochemistry written by Elizabeth Santos and published by John Wiley & Sons. This book was released on 2011-10-18 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis in Electrochemistry: From Fundamental Aspects to Strategies for Fuel Cell Development is a modern, comprehensive reference work on catalysis in electrochemistry, including principles, methods, strategies, and applications. It points out differences between catalysis at gas/surfaces and electrochemical interfaces, along with the future possibilities and impact of electrochemical science on energy problems. This book contributes both to fundamental science; experience in the design, preparation, and characterization of electrocatalytic materials; and the industrial application of electrocatalytic materials for electrochemical reactions. This is an essential resource for scientists globally in academia, industry, and government institutions.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2003 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrochemical Water Electrolysis by : Lei Zhang
Download or read book Electrochemical Water Electrolysis written by Lei Zhang and published by CRC Press. This book was released on 2020-04-08 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprehensively describes the fundamentals of electrochemical water electrolysis as well as the latest materials and technological developments. It addresses a variety of topics such as electrochemical processes, materials, components, assembly and manufacturing, and degradation mechanisms, as well as challenges and strategies. It also includes an understanding of how materials and technologies for electrochemical water electrolysis have developed in recent years, and it describes the progress in improving performance and providing benefits to energy systems and applications. Features the most recent advances in electrochemical water electrolysis to produce hydrogen Discusses cutting-edge materials and technologies for electrochemical water electrolysis Includes both experimental and theoretical approaches that can be used to guide and promote materials as well as technological development for electrochemical water electrolysis Comprises work from international leading scientists active in electrochemical energy and environmental research and development Provides invaluable information that will benefit readers from both academia and industry With contributions from researchers at the top of their fields, the book includes in-depth discussions covering the engineering of components and applied devices, making this an essential read for scientists and engineers working in the development of electrochemical energy devices and related disciplines.
Book Synopsis PEM Water Electrolysis by : Dmitri Bessarabov
Download or read book PEM Water Electrolysis written by Dmitri Bessarabov and published by Academic Press. This book was released on 2018-08-04 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: PEM Water Electrolysis, a volume in the Hydrogen Energy and Fuel Cell Primers series presents the most recent advances in the field. It brings together information that has thus far been scattered in many different sources under one single title, making it a useful reference for industry professionals, researchers and graduate students. Volumes One and Two allow readers to identify technology gaps for commercially viable PEM electrolysis systems for energy applications and examine the fundamentals of PEM electrolysis and selected research topics that are top of mind for the academic and industry community, such as gas cross-over and AST protocols. The book lays the foundation for the exploration of the current industrial trends for PEM electrolysis, such as power to gas application and a strong focus on the current trends in the application of PEM electrolysis associated with energy storage. - Presents the fundamentals and most current knowledge in proton exchange membrane water electrolyzers - Explores the technology gaps and challenges for commercial deployment of PEM water electrolysis technologies - Includes unconventional systems, such as ozone generators - Brings together information from many different sources under one single title, making it a useful reference for industry professionals, researchers and graduate students alike
Book Synopsis Electrocatalysis of Anodic Oxygen-transfer Reactions at Modified Lead Dioxide Electrodes by : Yun-Lin Hsiao
Download or read book Electrocatalysis of Anodic Oxygen-transfer Reactions at Modified Lead Dioxide Electrodes written by Yun-Lin Hsiao and published by . This book was released on 1990 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis PEM Fuel Cell Electrocatalysts and Catalyst Layers by : Jiujun Zhang
Download or read book PEM Fuel Cell Electrocatalysts and Catalyst Layers written by Jiujun Zhang and published by Springer Science & Business Media. This book was released on 2008-08-26 with total page 1147 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Hydrogen Production Technologies by : Mehmet Sankir
Download or read book Hydrogen Production Technologies written by Mehmet Sankir and published by John Wiley & Sons. This book was released on 2017-03-20 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive practical review of the new technologies used to obtain hydrogen more efficiently via catalytic, electrochemical, bio- and photohydrogen production. Hydrogen has been gaining more attention in both transportation and stationary power applications. Fuel cell-powered cars are on the roads and the automotive industry is demanding feasible and efficient technologies to produce hydrogen. The principles and methods described herein lead to reasonable mitigation of the great majority of problems associated with hydrogen production technologies. The chapters in this book are written by distinguished authors who have extensive experience in their fields, and readers will have a chance to compare the fundamental production techniques and learn about the pros and cons of these technologies. The book is organized into three parts. Part I shows the catalytic and electrochemical principles involved in hydrogen production technologies. Part II addresses hydrogen production from electrochemically active bacteria (EAB) by decomposing organic compound into hydrogen in microbial electrolysis cells (MECs). The final part of the book is concerned with photohydrogen generation. Recent developments in the area of semiconductor-based nanomaterials, specifically semiconductor oxides, nitrides and metal free semiconductor-based nanomaterials for photocatalytic hydrogen production are extensively discussed.
Book Synopsis Selective Electrocatalysis of Anodic Oxygen-transfer Reactions at Chemically Modified, Thin-film Lead Dioxide Electrodes by : Hsiangpin Chang
Download or read book Selective Electrocatalysis of Anodic Oxygen-transfer Reactions at Chemically Modified, Thin-film Lead Dioxide Electrodes written by Hsiangpin Chang and published by . This book was released on 1989 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
