The Effect Of Support Morphology On The Performance Of Co Ceo2 Catalysts For Ethanol Steam Reforming

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The Effect of Support Morphology on the Performance of Co/CeO2 Catalysts for Ethanol Steam Reforming

Author : Hyun Tae Sohn
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (844 download)

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Book Synopsis The Effect of Support Morphology on the Performance of Co/CeO2 Catalysts for Ethanol Steam Reforming by : Hyun Tae Sohn

Download or read book The Effect of Support Morphology on the Performance of Co/CeO2 Catalysts for Ethanol Steam Reforming written by Hyun Tae Sohn and published by . This book was released on 2011 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Hydrogen is considered a major candidate for future energy carriers. However, the typical methods of producing hydrogen such as gasoline and natural gas reforming are not environmentally clean. Bio Ethanol steam reforming (BESR) which is a carbon-emission free process shows potential for production of hydrogen. Cobalt based catalysts have shown promising BESR activity and are economically viable alternatives to the traditional noble metal based (Ni, Rh, Pt). Cerium oxide based supports are shown to have higher oxygen mobility which enhances catalyst activity. A more detailed research of the different morphologies of CeO2 nanocrystals such as polyhedra, rods and cubes can improve our understanding of the effect of support morphology on BESR. Therefore, in this paper the catalytic performance of cobalt catalysts supported on CeO2 in different morphologies was investigated for production of hydrogen via BESR. The cobalt-based catalysts were synthesized by precipitation and hydrothermal method and prepared by incipient wetness impregnation (IWI). Those catalysts were characterized through various techniques such as transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) surface area measurements as well as steady-state activity testing on catalyst performance with a gas chromatograph (GC). With the current data provided by the GC, Co/CeO2 nanocubes showed the best catalytic performance at high temperature (450, 500 °C), indicating the highest hydrogen yield of 96 % and 100% ethanol conversion at 500 °C. Also, Co/CeO2 nanopolyhedra were the most active catalysts at low temperature (350, 400 °C), having the highest hydrogen yield of 87.5% and 93.5% ethanol conversion at 400 °C. Therefore, it is concluded that the effects of different actives sites and crystal planes of support morphologies play a role in improving the catalytic performance of Co/CeO2 for BESR.

Evaluation and Utilization of Bioethanol Fuels. II.

Author : Ozcan Konur
Publisher : CRC Press
ISBN 13 : 1000958736
Total Pages : 401 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Evaluation and Utilization of Bioethanol Fuels. II. by : Ozcan Konur

Download or read book Evaluation and Utilization of Bioethanol Fuels. II. written by Ozcan Konur and published by CRC Press. This book was released on 2023-12-22 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the direct use of bioethanol fuels in electric cars and the indirect use of bioethanol fuels in electric cars in the form of biohydrogen produced from bioethanol fuels Discusses bioethanol fuel-based bioelectricity production, bioethanol fuel-based biochemical and biohydrocarbon production Discusses direct bioethanol fuel cells, bioethanol fuel electrooxidation, catalysts for bioethanol fuel oxidation, and nanotechnology applications in fuel cells Includes case studies of bioethanol fuel-based biochemical and biohydrocarbon production, nanosensors, ZnO-based nanosensors, and SnO2-based nanosensors

Frontiers in Materials: Rising Stars 2020

Author : Anastasiia O. Krushynska
Publisher : Frontiers Media SA
ISBN 13 : 2889669505
Total Pages : 197 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Frontiers in Materials: Rising Stars 2020 by : Anastasiia O. Krushynska

Download or read book Frontiers in Materials: Rising Stars 2020 written by Anastasiia O. Krushynska and published by Frontiers Media SA. This book was released on 2021-07-08 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Frontiers in Materials Editorial Office team are delighted to present the second edition of the “Rising Stars” article collection, “Frontiers in Materials: Rising Stars 2020”, showcasing the high-quality work of internationally recognized researchers in the early stages of their independent careers. All Rising Star researchers featured within this collection were individually nominated by the Topic Editors in recognition of their potential to influence the future directions of their respective fields. The work presented here highlights the diversity of research performed across the entire breadth of the materials science and engineering field and presents advances in theory, experimentation, and methodology with applications for solving compelling problems. This Editorial features the corresponding author(s) of each paper published within this important collection, ordered by section alphabetically, highlighting them as the great researchers of the future. The Frontiers in Materials Editorial Office team would like to thank each researcher who contributed their work to this collection. We would also like to personally thank the Topic Editors for their exemplary leadership of this article collection; their strong support and passion for this important, community-driven collection has ensured its success and global impact. Emily Young Journal Development Manager

Heterogeneous Micro and Nanoscale Composites for the Catalysis of Organic Reactions

Author : Ali Maleki
Publisher : Elsevier
ISBN 13 : 0323852890
Total Pages : 270 pages
Book Rating : 4.3/5 (238 download)

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Book Synopsis Heterogeneous Micro and Nanoscale Composites for the Catalysis of Organic Reactions by : Ali Maleki

Download or read book Heterogeneous Micro and Nanoscale Composites for the Catalysis of Organic Reactions written by Ali Maleki and published by Elsevier. This book was released on 2021-11-10 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterogeneous Micro and Nanoscale Composites for the Catalysis of Organic Reactions discusses the major properties and applications of heterogeneous micro and nanoscale composites, including surface coating and functionalization capability, effective physical properties, recovery and reusability, biocompatibility and biodegradability. In addition, preparation strategies and essential analytical methods for the characterization of these materials are investigated. The effects of morphology, porosity and sizes of these composites on catalytic activity are also discussed. This book is an important reference source for materials engineers and chemical engineers who are interested in heterogeneous, thin-scaled materials and catalyzed organic synthesis reactions. In addition, this book will help researchers design novel structures and apply them in catalytic applications. Provides information on the preparation, characterization and applications of catalysis of organic reactions Outlines the major catalytic applications of heterogenous nanocomposites Assesses the major challenges of manufacturing heterogenous nanocomposites on an industrial scale

Characterization of Cobalt Based Catalysts for Ethanol Steam Reforming

Author : Shih-yi Lin
Publisher :
ISBN 13 :
Total Pages : 143 pages
Book Rating : 4.:/5 (822 download)

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Book Synopsis Characterization of Cobalt Based Catalysts for Ethanol Steam Reforming by : Shih-yi Lin

Download or read book Characterization of Cobalt Based Catalysts for Ethanol Steam Reforming written by Shih-yi Lin and published by . This book was released on 2009 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanoparticle Design and Characterization for Catalytic Applications in Sustainable Chemistry

Author : Rafael Luque
Publisher : Royal Society of Chemistry
ISBN 13 : 1788014901
Total Pages : 370 pages
Book Rating : 4.7/5 (88 download)

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Book Synopsis Nanoparticle Design and Characterization for Catalytic Applications in Sustainable Chemistry by : Rafael Luque

Download or read book Nanoparticle Design and Characterization for Catalytic Applications in Sustainable Chemistry written by Rafael Luque and published by Royal Society of Chemistry. This book was released on 2019-10-05 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an introduction to the preparation and characterisation of nanomaterials and their design for specific catalytic applications.

Materials Nanoarchitectonics

Author : Katsuhiko Ariga
Publisher : Elsevier
ISBN 13 : 0323994733
Total Pages : 648 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Materials Nanoarchitectonics by : Katsuhiko Ariga

Download or read book Materials Nanoarchitectonics written by Katsuhiko Ariga and published by Elsevier. This book was released on 2023-12-15 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials Nanoarchitectonics: From Integrated Molecular Systems to Advanced Devices provides the latest information on the design and molecular manipulation of self-organized hierarchically structured systems using tailor-made nanoscale materials as structural and functional units. The book is organized into three main sections that focus on molecular design of building blocks and hybrid materials, formation of nanostructures, and applications and devices. Bringing together emerging materials, synthetic aspects, nanostructure strategies, and applications, the book aims to support further progress, by offering different perspectives and a strong interdisciplinary approach to this rapidly growing area of innovation. This is an extremely valuable resource for researchers, advanced students, and scientists in industry, with an interest in nanoarchitectonics, nanostructures, and nanomaterials, or across the areas of nanotechnology, chemistry, surface science, polymer science, electrical engineering, physics, chemical engineering, and materials science. Offers a nanoarchitectonic perspective on emerging fields, such as metal-organic frameworks, porous polymer materials, or biomimetic nanostructures Discusses different approaches to utilizing "soft chemistry" as a source for hierarchically organized materials Offers an interdisciplinary approach to the design and construction of integrated chemical nano systems Discusses novel approaches towards the creation of complex multiscale architectures

Hydrogen Production Technologies

Author : Mehmet Sankir
Publisher : John Wiley & Sons
ISBN 13 : 1119283663
Total Pages : 524 pages
Book Rating : 4.1/5 (192 download)

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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 524 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.

The Influence of Nano-architectured CeOx Supports in RhPd/CeO2 for the Catalytic Ethanol Steam Reforming Reaction

Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (94 download)

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Book Synopsis The Influence of Nano-architectured CeOx Supports in RhPd/CeO2 for the Catalytic Ethanol Steam Reforming Reaction by :

Download or read book The Influence of Nano-architectured CeOx Supports in RhPd/CeO2 for the Catalytic Ethanol Steam Reforming Reaction written by and published by . This book was released on 2015 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ethanol steam reforming (ESR) reaction has been tested over RhPd supported on polycrystalline ceria in comparison to structured supports composed of nanoshaped CeO2 cubes and CeO2 rods tailored towards the production of hydrogen. At 650-700 K the hydrogen yield follows the trend RhPd/CeO2-cubes> RhPd/CeO2 -rods> RhPd/CeO2- polycrystalline, whereas at temperatures higher than 800 K the catalytic performance of all samples is similar and close to the thermodynamic equilibrium. The improved performance of RhPd/CeO2-cubes and RhPd/CeO2 -rods for ESR at low temperature is mainly ascribed to higher water-gas shift activity and a strong interaction between the bimetallic - oxide support interaction. STEM analysis shows the existence of RhPd alloyed nanoparticles in all samples, with no apparent relationship between ESR performance and RhPd particle size. X-ray diffraction under operating conditions shows metal reorganization on and ceria crystallographic planes during catalyst activation and ESR, but not on ceria crystallographic planes. The RhPd reconstructing and tuned activation over ceria nanocubes and nanorods is considered the main reason for better catalytic activity with respect to conventional catalysts based on polycrystalline ceria.

Liquid Biofuels: Bioethanol

Author : Carlos Ricardo Soccol
Publisher : Springer Nature
ISBN 13 : 3031012410
Total Pages : 518 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Liquid Biofuels: Bioethanol by : Carlos Ricardo Soccol

Download or read book Liquid Biofuels: Bioethanol written by Carlos Ricardo Soccol and published by Springer Nature. This book was released on 2022-10-17 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the present and future of bioethanol biorefinery technologies. It discusses the efficient use of feedstock in bioethanol production, and critically reviews the environmental sustainability of bioethanol production. In addition, it describes the integrated production of bioelectricity, biopolymers, organic acids, and other biomolecules, as well as the use of process-related liquid and solid byproducts and/or wastes during bioethanol generation. Since the bioethanol industry has also led the automotive industry to explore new avenues, this book summarizes the various aspects of ethanol motorization, hybrid engine development, and biofuel electrification. For decades, clean and renewable alternatives have been sought to reduce dependence on petroleum-based fossil fuels and CO2 emissions. Bioethanol appears as one of the best solutions for the production of biofuels, bioenergy and biochemicals, along with the establishment of new biorefinery concepts and a circular bioeconomy. Therefore, the ideas and technologies presented in this book contribute to the UN Sustainable Development Goal 7: Affordable and Clean Energy. This book is a useful reference for postgraduate students and researchers interested in biorefinery and biofuel technologies, both in academia- and commercial laboratories. Early career scientists can use it to fast track into the field. Advanced scientists will find it helpful to gain a broader overview of the field beyond their area of specialization.

Mechanistic Studies of Alcohol Steam Reforming Catalysts

Author : Eddie Martono
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (862 download)

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Book Synopsis Mechanistic Studies of Alcohol Steam Reforming Catalysts by : Eddie Martono

Download or read book Mechanistic Studies of Alcohol Steam Reforming Catalysts written by Eddie Martono and published by . This book was released on 2013 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ambient Pressure XPS and IRRAS Investigation of Ethanol Steam Reforming on Ni-CeO2(111) Catalysts

Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (986 download)

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Book Synopsis Ambient Pressure XPS and IRRAS Investigation of Ethanol Steam Reforming on Ni-CeO2(111) Catalysts by :

Download or read book Ambient Pressure XPS and IRRAS Investigation of Ethanol Steam Reforming on Ni-CeO2(111) Catalysts written by and published by . This book was released on 2016 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ambient-Pressure X-ray Photoelectron Spectroscopy (AP-XPS) and Infrared Reflection Absorption Spectroscopy (AP-IRRAS) have been used to elucidate the active sites and mechanistic steps associated with the ethanol steam reforming reaction (ESR) over Ni-CeO2(111) model catalysts. Our results reveal that surface layers of the ceria substrate are both highly reduced and hydroxylated under reaction conditions while the small supported Ni nanoparticles are present as Ni0/NixC. A multifunctional, synergistic role is highlighted in which Ni, CeOx and the interface provide an ensemble effect in the active chemistry that leads to H2. Ni0 is the active phase leading to both C-C and C-H bond cleavage in ethanol and it is also responsible for carbon accumulation. On the other hand, CeOx is important for the deprotonation of ethanol/water to ethoxy and OH intermediates. The active state of CeOx is a Ce3+(OH)x compound that results from extensive reduction by ethanol and the efficient dissociation of water. Additionally, we gain an important insight into the stability and selectivity of the catalyst by its effective water dissociation, where the accumulation of surface carbon can be mitigated by the increased presence of surface OH groups. As a result, the co-existence and cooperative interplay of Ni0 and Ce3+(OH)x through a metal-support interaction facilitate oxygen transfer, activation of ethanol/water as well as the removal of coke.

Petrochemistry

Author : Martin Bajus
Publisher : John Wiley & Sons
ISBN 13 : 1119647835
Total Pages : 392 pages
Book Rating : 4.1/5 (196 download)

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Book Synopsis Petrochemistry by : Martin Bajus

Download or read book Petrochemistry written by Martin Bajus and published by John Wiley & Sons. This book was released on 2020-01-03 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive textbook on petrochemical conversion processes for petroleum and natural gas fractions as produced by refinery operations This innovative textbook provides essential links between the chemical sciences and chemical technology, between petrochemistry and hydrocarbon technology. The book brings alive key concepts forming the basis of chemical technology and presents a solid background for innovative process development. In all chapters, the processes described are accompanied by simplified flow schemes, encouraging students to think in terms of conceptual process designs. Petrochemistry: Petrochemical Processing, Hydrocarbon Technology and Green Engineering introduces students to a variety of topics related to the petrochemical industry, hydrocarbon processing, fossil fuel resources, as well as fuels and chemicals conversion. The first chapter covers the fundamentals and principals for designing several of the processes in the book, including discussions on thermodynamics, chemical kinetics, reactor calculations, and industrial catalysts. The following chapters address recent advances in hydrocarbon technology, energy technology, and sources of hydrocarbons. The book then goes on to discuss the petrochemical industry based on four basic pillars, all derived from petroleum and natural gas: Production of lower alkenes; other sources of lower alkenes; petrochemicals from C2-C3 alkenes Production of BTX aromatics; chemicals from BTX aromatics C1 technology Diversification of petrochemicals The growing importance of sustainable technology, process intensification and addressing greenhouse gas emissions is reflected throughout the book. Written for advanced students working in the areas of petrochemistry, hydrocarbon technology, natural gas, energy materials and technologies, alternative fuels, and recycling technologies the book is also a valuable reference for industrial practitioners in the oil and gas industry.

Industrial Catalytic Processes for Fine and Specialty Chemicals

Author : Sunil S Joshi
Publisher : Elsevier
ISBN 13 : 0128016701
Total Pages : 784 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Industrial Catalytic Processes for Fine and Specialty Chemicals by : Sunil S Joshi

Download or read book Industrial Catalytic Processes for Fine and Specialty Chemicals written by Sunil S Joshi and published by Elsevier. This book was released on 2016-04-12 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Industrial Catalytic Processes for Fine and Specialty Chemicals provides a comprehensive methodology and state-of-the art toolbox for industrial catalysis. The book begins by introducing the reader to the interesting, challenging, and important field of catalysis and catalytic processes. The fundamentals of catalysis and catalytic processes are fully covered before delving into the important industrial applications of catalysis and catalytic processes, with an emphasis on green and sustainable technologies. Several case studies illustrate new and sustainable ways of designing catalysts and catalytic processes. The intended audience of the book includes researchers in academia and industry, as well as chemical engineers, process development chemists, and technologists working in chemical industries and industrial research laboratories. Discusses the fundamentals of catalytic processes, catalyst preparation and characterization, and reaction engineering Outlines the homogeneous catalytic processes as they apply to specialty chemicals Introduces industrial catalysis and catalytic processes for fine chemicals Includes a number of case studies to demonstrate the various processes and methods for designing green catalysts

Catalysis for Alternative Energy Generation

Author : László Guczi
Publisher : Springer Science & Business Media
ISBN 13 : 1461403448
Total Pages : 543 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Catalysis for Alternative Energy Generation by : László Guczi

Download or read book Catalysis for Alternative Energy Generation written by László Guczi and published by Springer Science & Business Media. This book was released on 2012-04-17 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increase of greenhouse gases in the atmosphere and the decrease of the available amount of fossil fuels necessitate finding new alternative and sustainable energy sources in the near future. This book summarizes the role and the possibilities of catalysis in the production of new energy carriers and in the utilization of different energy sources. The main goal of this work is to go beyond those results discussed in recent literature by identifying new developments that may lead to breakthroughs in the production of alternative energy. The book discusses the use of biomass or biomass derived materials as energy sources, hydrogen formation in methanol and ethanol reforming, biodiesel production, and the utilization of biogases. Separate sections also deal with fuel cells, photocatalysis, and solar cells, which are all promising processes for energy production that depend heavily on catalysts.

Nanotechnology for Energy Sustainability, 3 Volume Set

Author : Baldev Raj
Publisher : John Wiley & Sons
ISBN 13 : 3527340149
Total Pages : 1280 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Nanotechnology for Energy Sustainability, 3 Volume Set by : Baldev Raj

Download or read book Nanotechnology for Energy Sustainability, 3 Volume Set written by Baldev Raj and published by John Wiley & Sons. This book was released on 2017-06-19 with total page 1280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dieses Referenzwerk in drei handlichen Bänden bietet einen detaillierten Überblick über Anwendungen der Nanotechnologie im Bereich Nachhaltigkeit in der Energieversorgung. Der erste Band dieses klar strukturierten Nachschlagewerks behandelt nach der Einleitung die Themen Energieerzeugung, erneuerbare Energien, Energiespeicherung, Energieverteilung sowie Energieumwandlung und Energy-Harvesting. Im zweiten Band werden auf Nanotechnologie basierte Materialen, Energieeinsparung und -management, technologische und urheberrechtlich relevante Fragen, Märkte und Umweltsanierung erörtert. Der dritte Band wirft einen Blick in die Zukunft, auf technologische Fortschritte und gibt Empfehlungen. Ein wichtiges Handbuch für alle Experten auf diesem Gebiet, von Forschern und Ingenieuren im wissenschaftlichen Bereich bis hin zu Entwicklern in der Industrie.

Investigation and Rational Design of the Catalyst-support Interface in Redox Catalysis by Ceria

Author : Zhongqi Liu
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (131 download)

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Book Synopsis Investigation and Rational Design of the Catalyst-support Interface in Redox Catalysis by Ceria by : Zhongqi Liu

Download or read book Investigation and Rational Design of the Catalyst-support Interface in Redox Catalysis by Ceria written by Zhongqi Liu and published by . This book was released on 2020 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Investigating and controlling the catalyst-support interfacial interaction/structure and their effects on catalytic performance are crucial for optimizing the activity, selectivity, and durability of catalytic materials, as the heterogeneous catalytic reactions typically take place on the catalyst surface and/or at the interface between the catalyst and support. Ceria (CeO2), due to its remarkable redox activity, has been widely adopted as an active support material or promoter in a multitude of redox catalytic reactions and is the focus of this research. With the goal of bridging the predictable catalyst design-fundamental understanding of performance-practical application, we expect to develop uniform and well-defined CeO2 nanostructures as model supports to investigate the underlying mechanism of the catalyst-support interactions, and furthermore establish the correlation between interfacial structure and catalytically active sites. In Chapter 2, reducible CeO2 nanorods and nanocubes, as well as irreducible SiO2 nanospheres supported cobalt oxides (CoOx) catalysts were synthesized and comparatively studied to understand the effects of support morphology, surface defect, support reducibility, in addition to the CoOx-support interactions on their redox and catalytic properties. Chapter 3 focuses on exploring the role of “bimetallic catalysts-support interaction” over highly active CeO2 nanorods supported pure cobalt oxides and cobalt-based bimetallic oxides nanoparticles (Fe-Co, Ni-Co and Cu-Co). The interactions between cobalt with the second transition metals (Fe, Ni and Cu) are discussed as well. Nanoparticle agglomeration issue always exists when using wet-chemical methods to synthesize CeO2 nanomaterials, which is harmful for catalytic applications due to decreased surface area. Therefore, Chapter 4 presents a scalable and facile electrospinning process for designing novel fibrous structured CeO2 and one-pot synthesis of high-surface-area, thermally stable and low-temperature active Ru-CeO2 nanofiber catalysts. Besides, attracted by the great interest of three-dimensional (3D) nanoarray structures fabrication towards novel and high-performance catalyst design, as well as nanodevice applications, electrochemical deposition technique was adopted for fabricating CeO2 nanoarrays in Chapter 5. Processing factors on growing controllable CeO2 nanoarrays, including the current density, reaction temperature, stirring rate, anode and substrate types were comprehensively investigated. A scale-up synthetic strategy for CeO2 nanoarrays fabrication is developed. Besides, possible mechanisms for morphological evolution and growth of CeO2 nanoarrays are discussed.