Electrocatalytic Applications of Graphene-Metal Oxide Nanohybrid Materials PDF Download
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Author: Arnab Halder
Publisher:
ISBN:
Category : Science
Languages : en
Pages :
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Book Description
Development of state-of-the-art electrocatalysts using commercially available precursors with low cost is an essential step in the advancement of next-generation electrochemical energy storage/conversion systems. In this regard, noble metal-free and graphene-supported nanocomposites are of particular interest. Graphene-based nanocomposite is an excellent candidate as energy-device and sensor-related electrode materials, largely due to their high electrical conductivity, large specific surface area, high-speed electron/heat mobility, and reasonably good mechanical strength. Among many types of graphene-based composite materials, graphene-metal oxide nanohybrids hold great promise toward engineering efficient electrocatalysts and have attracted increasing interest in both scientific communities and industrial partners around the world. The goal of this chapter is primarily set on an overview of cutting-edge developments in graphene-metal oxide nanohybrid materials, with the recently reported results from worldwide research groups. This chapter is presented first with an introduction, followed by synthetic methods and structural characterization of nanocomposites, an emphasis on their applications in energy and sensor-related fields, and finally completed with brief conclusions and outlook.
Author: Arnab Halder
Publisher:
ISBN:
Category : Science
Languages : en
Pages :
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Book Description
Development of state-of-the-art electrocatalysts using commercially available precursors with low cost is an essential step in the advancement of next-generation electrochemical energy storage/conversion systems. In this regard, noble metal-free and graphene-supported nanocomposites are of particular interest. Graphene-based nanocomposite is an excellent candidate as energy-device and sensor-related electrode materials, largely due to their high electrical conductivity, large specific surface area, high-speed electron/heat mobility, and reasonably good mechanical strength. Among many types of graphene-based composite materials, graphene-metal oxide nanohybrids hold great promise toward engineering efficient electrocatalysts and have attracted increasing interest in both scientific communities and industrial partners around the world. The goal of this chapter is primarily set on an overview of cutting-edge developments in graphene-metal oxide nanohybrid materials, with the recently reported results from worldwide research groups. This chapter is presented first with an introduction, followed by synthetic methods and structural characterization of nanocomposites, an emphasis on their applications in energy and sensor-related fields, and finally completed with brief conclusions and outlook.
Author: Jiaguo Yu
Publisher: Elsevier
ISBN: 0323852882
Category : Technology & Engineering
Languages : en
Pages : 308
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Book Description
Graphene Oxide-Metal Oxide and other Graphene Oxide-Based Composites in Photocatalysis and Electrocatalysis reflects on recent progress and challenges in graphene-metal oxide composites. The book reviews synthetic strategies, characterization methods and applications in photocatalysis and electrocatalysis. Graphene-metal oxides, graphene-novel metals and other composites intended for sustainable energy production, energy storage, and environmental development such as H2 production, CO2 reduction, pollutant removal, supercapacitors and lithium ion batteries are covered. Overall, this book presents a comprehensive, systematic, and up-to-date summary on graphene oxide-based materials. Graphene oxide and related composite materials bring new perspectives and prospects to both photocatalysts and electrocatalysts. The collective and synergistic effect between graphene oxide and metal oxide are manifold. The significance of the relationship among these groups of materials, their structures and performance is emphasized. - Introduces the fundamentals of graphene oxides, their derivatives, common processes, principles and requirements for photocatalysis and electrocatalysis - Reviews graphene-oxides for photocatalysis applications in H2 production, CO2 reduction, environment remediation, and more - Covers graphene-oxides for electrocatalysis applications in energy, including supercapacitors and lithium-ion batteries
Author: Sushanta Kumar Das
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Metal oxide-graphene nanohybrids have emerged as promising electrocatalysts for various fuel cell applications. These nanohybrids exhibit excellent electrochemical properties due to their unique structural features and enhanced surface area. In recent years, the development of metal oxide-graphene nanohybrids has gained significant attention in the field of energy conversion and storage, particularly for proton exchange membrane fuel cells and direct methanol fuel cells. The oxygen reduction reaction (ORR) is a key reaction in fuel cells, and metal oxide-graphene nanohybrids have shown remarkable ORR activity. These nanohybrids possess high electrocatalytic activity, which can enhance the efficiency of fuel cells. In addition, metal oxide-graphene nanohybrids have shown great potential as anode and cathode catalysts in fuel cells. The use of metal oxide-graphene nanohybrids in fuel cells offers several advantages, including high energy conversion efficiency, sustainability, and reduced environmental impact. Carbon-based materials, such as graphene, are ideal candidates for fuel cell applications due to their excellent electrical conductivity, surface area, and chemical stability. The incorporation of metal oxides into graphene-based nanohybrids can further enhance their electrocatalytic properties. The development of metal oxide-graphene nanohybrids for fuel cell applications involves several challenges, including the selection of appropriate metal oxides, synthesis methods, and optimization of the electrocatalytic activity. The performance and stability of the electrocatalysts are also critical factors for long-term durability of fuel cells. In addition, the ionomer and ion exchange membrane materials used in fuel cells can affect the proton conductivity and electron conductivity, which can impact the overall performance of the fuel cell. Overall, the development of metal oxide-graphene nanohybrids for fuel cell applications has the potential to revolutionize the field of energy conversion and storage. This technology can provide a sustainable and efficient energy source for various applications, including transportation, industrial processes, and residential power generation. Further research is needed to optimize the electrocatalytic activity and durability of these nanohybrids, and to develop scalable and cost-effective synthesis methods for their production.
Author: Noreña Luis
Publisher: BoD – Books on Demand
ISBN: 9535122444
Category : Science
Languages : en
Pages : 500
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Book Description
Todays chemical industry processes worldwide largely depend on catalytic reactions and the desirable future evolution of this industry toward more selective products, more environmentally friendly products, more energy-efficient processes, a smaller use of hazardous reagents, and a better use of raw materials also largely involves the development of better catalysts and, specifically, purposely designed catalytic materials. The careful study and development of the new-generation catalysts involve relatively large groups of specialists in universities, research centers, and industries, joining forces from different scientific and technical disciplines. This book has put together recent, state-of-the-art topics on current trends in catalytic materials and consists of 16 chapters.
Author: Teko Napporn
Publisher: Elsevier
ISBN: 0128184973
Category : Technology & Engineering
Languages : en
Pages : 292
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Book Description
Metal Oxide-Based Nanostructured Electrocatalysts for Fuel Cells, Electrolyzers, and Metal-Air Batteries is a comprehensive book summarizing the recent overview of these new materials developed to date. The book is motivated by research that focuses on the reduction of noble metal content in catalysts to reduce the cost associated to the entire system. Metal oxides gained significant interest in heterogeneous catalysis for basic research and industrial deployment. Metal Oxide-Based Nanostructured Electrocatalysts for Fuel Cells, Electrolyzers, and Metal-Air Batteries puts these opportunities and challenges into a broad context, discusses the recent researches and technological advances, and finally provides several pathways and guidelines that could inspire the development of ground-breaking electrochemical devices for energy production or storage. Its primary focus is how materials development is an important approach to produce electricity for key applications such as automotive and industrial. The book is appropriate for those working in academia and R&D in the disciplines of materials science, chemistry, electrochemistry, and engineering. - Includes key aspects of materials design to improve the performance of electrode materials for energy conversion and storage device applications - Reviews emerging metal oxide materials for hydrogen production, hydrogen oxidation, oxygen reduction and oxygen evolution - Discusses metal oxide electrocatalysts for water-splitting, metal-air batteries, electrolyzer, and fuel cell applications
Author: Ganesh Shamrao Kamble
Publisher: BoD – Books on Demand
ISBN: 178923588X
Category : Technology & Engineering
Languages : en
Pages : 162
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Book Description
This book aims to introduce the emerging technologies of graphene oxide (GO) in various fields such as industrial, medical, electronics, artificial intelligence, materials-alloys, energy storage devices, optical, physics, mechanical, nanomaterials, and sustainable chemistry. At the current level of development, the properties and binding structure of graphene are important toward the recent applications. The knowledge produced by the graphene oxide could be a much haunting basis for discovering innovative opportunities in the field of emerging trends of research. Future technology expected that the full development will depend only on graphene and its functionalized composite materials. This book highlights the challenges and opportunities associated with GOs. Subject of interest in this book is exploring the opportunities and technologies related to abundant clean energy, pure water, and noble long healthy life.
Author: B. Raneesh
Publisher: John Wiley & Sons
ISBN: 1119364736
Category : Technology & Engineering
Languages : en
Pages : 432
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Book Description
Metal Oxide Nanocomposites: Synthesis and Applications summarizes many of the recent research accomplishments in the area of metal oxide-based nanocomposites. This book focussing on the following topics: Nanocomposites preparation and characterization of metal oxide nanocomposites; synthesis of core/shell metal oxide nanocomposites; multilayer thin films; sequential assembly of nanocomposite materials; semiconducting polymer metal oxide nanocomposites; graphene-based metal and metal oxide nanocomposites; carbon nanotube–metal–oxide nanocomposites; silicon mixed oxide nanocomposites; gas semiconducting sensors based on metal oxide nanocomposites; metal9;]organic framework nanocomposite for hydrogen production and nanocomposites application towards photovoltaic and photocatalytic.
Author: Yating Hu
Publisher: Springer
ISBN: 9811083428
Category : Technology & Engineering
Languages : en
Pages : 124
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Book Description
This thesis examines electrode materials such as mesoporous carbons, manganese oxides, iron oxides and their nanohybrids with graphene. It also explores several of the key scientific issues that act as the governing principles for future development of supercapacitors, which are a promising class of high-efficiency energy storage devices for tackling a key aspect of the energy crisis. However, critical technical issues, such as the low energy density and reliability, need to be addressed before they can be extended to a wide range of applications with much improved performance. Currently available material candidates for the electrodes all have their disadvantages, such as a low specific capacitance or poor conductivity for transition metal oxide/hydroxide-based materials. This thesis addresses these important issues, and develops a high-performance, flexible asymmetric supercapacitor with manganese oxides/reduced graphene oxide as the positive electrode and iron oxide/reduced graphene oxide as the anode, which delivers a high energy density of 0.056 Wh cm-3.
Author: A. Pandikumar
Publisher: Elsevier
ISBN: 0128156392
Category : Technology & Engineering
Languages : en
Pages : 366
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Book Description
Graphene-Based Electrochemical Sensors for Biomolecules presents the latest on these nanomaterials that have gained a lot of attention based on their unique properties of high mechanical flexibility, large surface area, chemical stability, superior electric and thermal conductivities that render them great choices as alternative electrode materials for electrochemical energy storage and sensor applications. The hybridization of graphene with other nanomaterials induces a synergetic effect, leading to the improvement in electrical conductivity, stability and an enhancement of the electrocatalytic activity of the new nanocomposite material. This book discusses the electrochemical determination of a variety of biomolecules using graphene-based nanocomposite materials. Finally, recent progress in the development of electrochemical sensors using graphene-based nanocomposite materials and perspectives on future opportunities in sensor research and development are discussed in detail. - Covers the importance of detecting biomolecules and the application of graphene and its nanocomposite materials in the detection of a wide variety of bioanalytes - Presents easily understood fundamentals of electrochemical sensing systems and the role of graphene-based nanocomposite materials in research and development
Author: Karim Kakaei
Publisher: Academic Press
ISBN: 0128145242
Category : Science
Languages : en
Pages : 458
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Book Description
Graphene Surfaces: Particles and Catalysts focuses on the surface chemistry and modification of graphene and its derivatives from a theoretical and electrochemical point-of-view. It provides a comprehensive overview of their electronic structure, synthesis, properties and general applications in catalysis science, including their relevance in alcohols and their derivatives oxidation, oxygen reduction, hydrogen evolution, energy storage, corrosion protection and supercapacitors. The book also covers emerging research on graphene chemistry and its impact. Chemical engineers, materials scientists, electrochemists and engineers will find information that will answer their most pressing questions on the surface aspects of graphene and its effect on catalysis. - Serves as a time-saving reference for researchers, graduated students and chemical engineers - Equips the reader with catalysis knowledge for practical applications - Discusses the physical and electrochemical properties of graphene - Provides the most important applications of graphene in electrochemical systems - Highlights both experimental and theoretical aspects of graphene
