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Hydrogen Generation Via Water Electrolysis With Addition Of Magnesium Alloys
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Book Synopsis Hydrogen Generation Via Water Electrolysis with Addition of Magnesium Alloys by : Israel Izel Maden
Download or read book Hydrogen Generation Via Water Electrolysis with Addition of Magnesium Alloys written by Israel Izel Maden and published by . This book was released on 2018 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this research is to provide a hybrid system for a sustainable, continuous and efficient hydrogen production. Solar powered water electrolysis and magnesium alloys corrosion are the two components to be chosen for this combined system. Firstly, the optimum magnesium alloy for maximum hydrogen evolution is determined due to results of free corrosion and potentiodynamic tests. Potentiostatic tests are performed to demonstrate the solar powered water hydrolysis with different potential values and the chosen magnesium alloy is used as the anode of this electrochemical cell. As a consequence, a continuous hydrogen generation is achieved with high rates as the applied potentials increases. The rates of hydrogen evolution with this system is found to be convenient to utilize a fuel cell powered by a stationary energy storage or even small size mobile applications. -- abstract.
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 138 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 The Suffering of Strangers by : Caro Ramsay
Download or read book The Suffering of Strangers written by Caro Ramsay and published by Canongate Books. This book was released on 2019-06-06 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: DI Costello faces a disturbing child abduction case; a six-week-old has been stolen and replaced with another baby. The swap took cold and meticulous planning, so Costello treads the seedy, Glaswegian backstreets for answers. She’s convinced that more than one young life is at stake. Promoted into the Cold Case Unit, Colin Anderson reviews the unsolved rape of a young mother, whose attacker is still out there. Each case pulls Anderson and Costello in the same direction and, as their paths keep crossing, they begin to suspect their separate cases are dangerously entwined.
Book Synopsis Green Hydrogen Production by Water Electrolysis by : Junbo Hou
Download or read book Green Hydrogen Production by Water Electrolysis written by Junbo Hou and published by CRC Press. This book was released on 2024-07-24 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world’s largest economies have set clear development plans for hydrogen energy. From an Economy, Energy, and Environment (3E) point of view, hydrogen energy can be considered an ideal technology for enabling the energy transition from fossil fuels, restructuring energy systems, securing national energy sources, accelerating carbon neutralization, and driving the development of technologies and industry. Green hydrogen production by water electrolysis is the key for hydrogen energy, and this book offers urgently needed guidance on the most important scientific fundamentals and practical applied technologies in this field. This book: • Details materials, electrochemistry, and mechanics. • Covers ALK, PEM, AEM, and SOEC water electrolysis, including fundamentals and applications. • Addresses trends, opportunities, and challenges. This comprehensive reference is aimed at engineers and scientists working on renewable and alternative energy to meet global energy demands and climate action goals.
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1977 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :1682 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis PEM Electrolysis for Hydrogen Production by : Dmitri Bessarabov
Download or read book PEM Electrolysis for Hydrogen Production written by Dmitri Bessarabov and published by CRC Press. This book was released on 2016-02-03 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: An ever-increasing dependence on green energy has brought on a renewed interest in polymer electrolyte membrane (PEM) electrolysis as a viable solution for hydrogen production. While alkaline water electrolyzers have been used in the production of hydrogen for many years, there are certain advantages associated with PEM electrolysis and its relevan
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 Proof-of-Concept Experiments of Hydrogen Generation by Solar Water Splitting by Using III-Nitride Alloys by : Takahiro Toma
Download or read book Proof-of-Concept Experiments of Hydrogen Generation by Solar Water Splitting by Using III-Nitride Alloys written by Takahiro Toma and published by . This book was released on 2011 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presently, most of the energy is generated from fossil fuel, which results in CO2 emissions and not infinite. In order for achieving sustainable life, renewable source of energy must be found and developed. Solar water splitting is one of the candidates, as this process only requires the use of solar energy and inexhaustible water available on the earth. Moreover, exclusive by-product of the use of hydrogen technology is water. Enormous efforts have been used to pursue the use of various technologies to achieve efficient solar water splitting. However, this solar water splitting technology is still far from other dominant energy sources attributed to the difficult requirements for obtaining working electrode with desirable properties. The desired properties of the working electrodes require the need of high corrosive resistance, suitable band gap, and appropriate band edge positions for enabling the water splitting process. To address this limitation, InGaN alloy is investigated as one of the key materials for achieving electrodes suitable for solar water splitting. Band positions of the InGaN in the context of the hydrogen and oxygen redox potential are found as suitable, and band gap energy of this alloy can be adjusted by varying the In-content. In addition, InGaN has high corrosion resistivity due to the small lattice constant of the alloy, due to the stability of this alloy in aqueous solution from the strong inter-atomic bonding. Nevertheless, there has been very few research works performed on this InGaN alloy for solar water splitting experiments. In this thesis, basic principle of the solar water splitting is presented with current research on GaN and InGaN for the photo-electrode in the PEC cell. Preliminary experimental demonstrations of the solar water splitting process by employing the III-Nitride alloys are also presented, and the results showed promising nitride semiconductors alloys for solar water splitting applications.
Book Synopsis Corrosion Resistance of Aluminum and Magnesium Alloys by : Edward Ghali
Download or read book Corrosion Resistance of Aluminum and Magnesium Alloys written by Edward Ghali and published by John Wiley & Sons. This book was released on 2010-05-05 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: Valuable information on corrosion fundamentals and applications of aluminum and magnesium Aluminum and magnesium alloys are receiving increased attention due to their light weight, abundance, and resistance to corrosion. In particular, when used in automobile manufacturing, these alloys promise reduced car weights, lower fuel consumption, and resulting environmental benefits. Meeting the need for a single source on this subject, Corrosion Resistance of Aluminum and Magnesium Alloys gives scientists, engineers, and students a one-stop reference for understanding both the corrosion fundamentals and applications relevant to these important light metals. Written by a world leader in the field, the text considers corrosion phenomena for the two metals in a systematic and parallel fashion. The coverage includes: The essentials of corrosion for aqueous, high temperature corrosion, and active-passive behavior of aluminum and magnesium alloys The performance and corrosion forms of aluminum alloys The performance and corrosion forms of magnesium alloys Corrosion prevention methods such as coatings for aluminum and magnesium Electrochemical methods of corrosion investigation and their application to aluminum and magnesium alloys Offering case studies and detailed references, Corrosion Resistance of Aluminum and Magnesium Alloys provides an essential, up-to-date resource for graduate-level study, as well as a working reference for professionals using aluminum, magnesium, and their alloys.
Download or read book Magnesium Alloys written by Tomasz Tański and published by BoD – Books on Demand. This book was released on 2018-12-19 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Classical magnesium alloys are a combination of aluminium, magnesium, manganese and zinc. Magnesium combined with lithium forms ultralight alloys that have many uses. Since it is a reasonable material, it offers great possibilities and is constantly tested at various angles of applications and properties. Magnesium, previously used for military purposes, seems to fit perfectly to the requirements of the currently prevailing technology. Low density with appropriate mechanical properties (strength, high operating temperature), good foundry properties (high castability and low shrinkage), vibration damping ability and cost-effectiveness of recycling seem to be an ideal response to market needs. All things considered, magnesium alloys are the perfect material used in various industries starting from the automotive industry, through sport, electronics up to the space industry and defence. This book is written by experts in various areas of magnesium science and technology. It gives a general idea of modern advancements in theory and practical purposes of magnesium alloys. The book reports fundamental aspects of corrosion types and details about magnesium alloys designed to work in elevated temperatures and superplastic behaviour. Fundamentals, broad experience, theory as well as complex technological aspects make this work helpful for engineers and scientists from all over the world.
Download or read book Power-to-Gas written by Méziane Boudellal and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-02-05 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the development of renewable electricity and the expected important surpluses of production, how can the use of hydrogen improve the green energy portfolio? Power-to-Gas covers the production of hydrogen through electrolysis and its storage or conversion in another form (gas, chemicals or fuels). It emphasises the need for new technologies with global energy consumption, markets, and logistics concepts. Pilot projects around the world are discussed as well as how policy and economics influence the real use of these energy harvesting and conversion technologies.
Book Synopsis Investigation of the Alkaline Electrochemical Interface and Development of Composite Metal/metal-oxides for Hydrogen and Oxygen Electrodes by : Michael Kenneth Bates
Download or read book Investigation of the Alkaline Electrochemical Interface and Development of Composite Metal/metal-oxides for Hydrogen and Oxygen Electrodes written by Michael Kenneth Bates and published by . This book was released on 2015 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the fundamentals of electrochemical interfaces will undoubtedly reveal a path forward towards a society based on clean and renewable energy. In particular, it has been proposed that hydrogen can play a major role as an energy carrier of the future. To fully utilize the clean energy potential of a hydrogen economy, it is vital to produce hydrogen via water electrolysis, thus avoiding co-production of CO2 inherent to reformate hydrogen. While significant research efforts elsewhere are focused on photo-chemical hydrogen production from water, the inherent low efficiency of this method would require a massive land-use footprint to achieve sufficient hydrogen production rates to integrate hydrogen into energy markets. Thus, this research has primarily focused on the water splitting reactions on base-metal catalysts in the alkaline environment. Development of high-performance base-metal catalysts will help move alkaline water electrolysis to the forefront of hydrogen production methods, and when paired with solar and wind energy production, represents a clean and renewable energy economy. In addition to the water electrolysis reactions, research was conducted to understand the de-activation of reversible hydrogen electrodes in the corrosive environment of the hydrogen-bromine redox flow battery. Redox flow batteries represent a promising energy storage option to overcome the intermittency challenge of wind and solar energy production methods. Optimization of modular and scalable energy storage technology will allow higher penetration of renewable wind and solar energy into the grid. In Chapter 1, an overview of renewable energy production methods and energy storage options is presented. In addition, the fundamentals of electrochemical analysis and physical characterization of the catalysts are discussed. Chapter 2 reports the development of a Ni-Cr/C electrocatalyst with unprecedented mass-activity for the hydrogen evolution reaction (HER) in alkaline electrolyte. The HER kinetics of numerous binary & ternary Ni-alloys and composite Ni/metal-oxide/C samples were evaluated in aqueous 0.1 M KOH electrolyte. The highest HER mass-activity was observed for Ni-Cr materials which exhibit metallic Ni as well as NiOx and Cr2O3 phases as determined by ex-situ XRD and in-situ XAS analysis. The on-set of the HER is significantly improved compared to numerous binary and ternary Ni-alloys - including state-of-the-art Ni-Mo materials. It is likely that at adjacent Ni/NiOx sites, the oxide site facilitates formation of adsorbed hydroxide (OHads) from the reactant (H2O) thus minimizing the high activation energy of cleaving the H-OH bond to form the Hads HER intermediate on the metallic Ni site. This is confirmed by in-situ XAS studies which show that the synergistic HER enhancement is due to NiOx content and that the Cr2O3 appears to stabilize the composite NiOx component under HER conditions (where NiOx would typically be reduced to metallic Ni0) Furthermore in contrast to Pt, the Ni(Ox)/Cr2O3 catalyst appears resistant to poisoning by the anion exchange ionomer (AEI), a serious consideration when applied to an anionic polymer electrolyte interface. Furthermore a model of the double layer interface is proposed, which helps explain the observed ensemble effect in the presence of AEI. In Chapter 3, Ni-Fe and Ni-Fe-Co mixed-metal-oxide (MMO) films were investigated for oxygen evolution reaction (OER) activity in 0.1M KOH on high surface area Raney-Nickel supports. During investigations of MMO activity, aniline was identified as a useful "capping agent" for synthesis of high-surface area MMO-polyaniline (PANI) composite materials. A Ni-Fe-Co/PANI-Raney-Ni catalyst was developed which exhibits enhanced mass-activity compared to state-of-the-art Ni-Fe OER electrocatalysts reported to date. Furthermore, in-situ XAS analysis revealed charge-transfer effects of MMOs in which the average oxidation state of the OER-active NiOx(OH)y sites is affected by the binary or ternary components (Fe &/or Co). Cyclic voltammetry results show changes in the potential of the Ni2+/3+ transitions in the presence of binary or ternary metals. In-situ XAS analysis confirms that the redox peaks can be attributed to the Ni sites and the shifts in the XANES peak as a function of applied potential indicates that Fe acts to stabilize Ni in the 2+ oxidation state, while Co facilitates oxidation to the 3+ state. The enhanced OER activity of the ternary Ni-Fe-Co/PANI-Raney catalyst is likely due to "activation" of the conductive Ni(III)OOH phase at lower overpotential due to the charge-transfer effects of the cobalt component. The morphology of the MMO catalyst film on PANI/Raney-Ni support provides excellent dispersion of active-sites and should maintain high active-site utilization for catalyst loading on gas-diffusion electrodes. In Chapter 4, the de-activation of reversible-hydrogen electrode catalysts was investigated and the development of a Pt-Ir-Nx/C catalyst is reported, which exhibits significantly increased stability in the HBr/Br2 electrolyte. Initial screening of Rh- and Ru-chalcogenides (oxides, sulfides and selenides) indicates that these non-Pt catalysts do not exhibit sufficient hydrogen reaction kinetics for use in the hydrogen electrode of a H2-Br2 redox flow battery (RFB). However, a standard Pt/C catalyst suffered from rapid and irreversible de-activation upon high-voltage cycling or exposure to Br2. In contrast a Pt-Ir/C catalyst exhibited increased tolerance to high-voltage cycling and in particular showed recovery of electrocatalytic activity after reversible de-activation (presumably from bromide adsorption and subsequent oxidative bromide stripping). Under the harshest testing conditions of high-voltage cycling or exposure to Br2 the Pt-based catalyst showed a trend in stability: Pt
Book Synopsis Energy-efficient anodic reactions for sustainable hydrogen production via water electrolysis by : Wenxian Liu
Download or read book Energy-efficient anodic reactions for sustainable hydrogen production via water electrolysis written by Wenxian Liu and published by OAE Publishing Inc.. This book was released on 2023-10-13 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overall water splitting is considered as an effective technique for hydrogen (H2) production; however, it usually requires large operating voltage mainly due to the high equilibrium potential of the anodic oxygen evolution reaction (OER). Replacing OER with energy-saving anode reactions not only reduces the operating voltage for H2 production but also generates high-value-added chemicals or purifies wastewater. This review article provides an overview of the fundamental reaction principles of overall water splitting and typical energy-saving alternative anode reactions, including methanol oxidation, hydrazine oxidation, and urea oxidation reactions. Then, the preparation methods, regulation strategies, and composition/structure-performance relations of advanced catalysts for these energy-efficient H2 generation technologies are discussed. Finally, we propose the underlying challenges and perspectives for this promising field.
Book Synopsis Analytical Methods In Corrosion Science and Engineering by : Philippe Marcus
Download or read book Analytical Methods In Corrosion Science and Engineering written by Philippe Marcus and published by CRC Press. This book was released on 2005-07-27 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt: Damage from corrosion costs billions of dollars per year. Controlling corrosion requires a fundamental, in-depth understanding of the mechanisms and phenomena involved, and this understanding is best achieved through advanced analytical methods. The first book to treat both surface analytical and electrochemical techniques in a single reference, An
Book Synopsis Electrochemical Hydrogen Production from Water Splitting by : Shengjie Peng
Download or read book Electrochemical Hydrogen Production from Water Splitting written by Shengjie Peng and published by Springer Nature. This book was released on 2023-08-22 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a systematic and comprehensive introduction to the fundamentals of hydrogen energy, hydrogen energy-related technologies and systems, and the environmental and economic impacts of hydrogen energy. This book is rich in content, combining theory with practice and reflecting the latest world achievements in hydrogen energy utilization and research. It is used by a wide range of scientific and technologists engaged in the development and utilization of hydrogen energy and other energy sources. It is also referenced for technical workers in power engineering, aerospace, chemistry, chemical engineering, refrigeration, metallurgy, and those engaged in safety management, as well as for teachers and students of related disciplines in higher education institutions. Furthermore, this book makes some modest contribution to the development of hydrogen energy by strengthening the hydrogen energy research teams.
Book Synopsis Sustainable and Green Electrochemical Science and Technology by : Keith Scott
Download or read book Sustainable and Green Electrochemical Science and Technology written by Keith Scott and published by John Wiley & Sons. This book was released on 2017-05-15 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainable and Green Electrochemical Science and Technology brings together the basic concepts of electrochemical science and engineering and shows how these are applied in an industrial context, emphasising the major role that electrochemistry plays within society and industry in providing cleaner, greener and more sustainable technologies. Electrochemistry has many applications for sustainability; it can be used to store energy, synthesise materials and chemicals, to generate power and to recycle valuable resources. Coverage includes Electrochemistry, Electrocatalysis and Thermodynamics Electrochemical Cells, Materials and Reactors Carbon Dioxide Reduction and Electro-Organic Synthesis Hydrogen production and Water Electrolysis Inorganic Synthesis Electrochemical Energy Storage and Power Sources Electrochemical processes for recycling and resource recovery Fuel Cell Technologies This book is targeted at both industrial and academic readers, providing a good technological reference base for electrochemistry. It will enable the reader to build on basic principles of electrochemistry, and takes these through to cell design for various and diverse applications.
