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One-dimensional Nanostructures for PEM Fuel Cell Applications

One-dimensional Nanostructures for PEM Fuel Cell Applications
A Book

by Shangfeng Du,Christopher Koenigsmann,Shuhui Sun

  • Publisher : Academic Press
  • Release : 2017-08-07
  • Pages : 96
  • ISBN : 0128111135
  • Language : En, Es, Fr & De
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One-dimensional Nanostructures for PEM Fuel Cell Applications provides a review of the progress made in 1D catalysts for applications in polymer electrolyte fuel cells. It highlights the improved understanding of catalytic mechanisms on 1D nanostructures and the new approaches developed for practical applications, also including a critical perspective on current research limits. The book serves as a reference for the design and development of a new generation of catalysts to assist in the realization of successful commercial use that have the potential to decarbonize the domestic heat and transport sectors. In addition, a further commercialization of this technology requires advanced catalysts to address major obstacles faced by the commonly used Pt/C nanoparticles. The unique structure of one-dimensional nanostructures give them advantages to overcome some drawbacks of Pt/C nanoparticles as a new type of excellent catalysts for fuel cell reactions. In recent years, great efforts have been devoted in this area, and much progress has been achieved. Provides a review of 1D catalysts for applications in polymer electrolyte fuel cells Presents an ideal reference for the design and development of a new generation of catalysts to assist in the realization of successful commercial use Highlights the progress made in recent years in this emerging field

Controlled Synthesis of One Dimensional Nanostructured Materials and Their Applications as Catalyst Supports in Proton Exchange Membrane Fuel Cells

Controlled Synthesis of One Dimensional Nanostructured Materials and Their Applications as Catalyst Supports in Proton Exchange Membrane Fuel Cells
A Book

by Mohammad Norouzi Banis

  • Publisher : Unknown Publisher
  • Release : 2012
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Nanomaterials have attracted significant interest in the past decade due to their unique structure and properties compared to their bulk counterparts. Nanomaterials-based solutions can address challenges in various technologies such as proton exchange membrane fuel cells (PEMFCs). PEMFC is an innovative energy conversion technology to directly convert chemical energy to electrical energy by using hydrogen as fuel. However, the current PEMFC system still faces significant technological roadblocks which have to be overcome before the system can become economically viable. A major impediment to the commercialization of PEMFC is the high cost of materials and manufacturing and stability, which is primarily associated with the cost of Pt catalysts and their support in membrane electrode assembly (MEA). One approach in addressing these issues is the controlled synthesis and application of nanostructured Pt-based catalysts and their support in PEMFCs. The objective of this thesis is to synthesize and characterize various nanostructures (e.g. metal oxides and metal silicides or composites) and evaluate their performance as Pt supports used in the PEMFCs. Various advanced characterization techniques such as high resolution scanning and transmission electron microscopy, X-ray absorption spectroscopy and electrochemical characterization methods have been used to understand growth mechanism of obtained nanostructures and their roles in PEMFCs. We also reported the synthesis of WSi2 and Ta5Si3 heterostructures using a low pressure chemical vapor deposition (LPCVD) method. The morphologies of these nanostructures were found to be sensitive to the concentration of reactive species and silica vapor in the CVD chamber. The results indicated that the morphology of WSi2 and Ta5Si3 nanostructures varied from nanowires, networked nanoribbons to nanosheets with the control of the oxygen concentration. A vapor solid growth mechanism based on silica sheath formation was proposed for the synthesis of these nanostructures. To take advantage of unique properties of carbon nanotubes, metal oxide and metal silicides as catalyst support, a new method was developed for the synthesis of composite nanostructures. TiSi2Ox-NCNTs and TiO2-NCNTs nanocomposites were synthesized using a combination of CVD process and magnetron sputtering and their performance as catalyst supports in PEMFCs were studied. Pt nanoparticles deposited on these nanostructures showed enhanced catalytic activity compared to commercial Pt/carbon electrodes. The electronic structure of Pt on the catalyst supports was investigated using X-ray absorption spectroscopy, to obtain insight into the interaction between the catalyst supports and Pt nanoparticles. As an example of well controlled synthesis of nanostructures, one-dimensional tungsten oxide nanostructures (W18O49) have been synthesized using a conventional chemical vapor deposition method (CVD). The morphology of the nanostructures such as diameter and length, were controlled during the synthesis process via sulfur doping. The dependence of morphology, composition and structure of tungsten oxides on the sulfur flow rate has been studied. Further, one step synthesis of tungsten sulfide/tungsten oxide nanocables (WS2/W18O49) have been achieved for the first time using tungsten and sulfur powder as the starting materials. In summary, the research work presented in this thesis aims at contributing to the development of various novel nanostructured catalyst supports and probing the correlation between synthesis approach, fine structure, and catalytic performance of the nanostructures as well as exploring their potential applications in highly active electrocatalysts for PEMFCs.

One-Dimensional nanostructures

One-Dimensional nanostructures
Electrospinning Technique and Unique Nanofibers

by Zhenyu Li,Ce Wang

  • Publisher : Springer Science & Business Media
  • Release : 2013-03-21
  • Pages : 141
  • ISBN : 3642364276
  • Language : En, Es, Fr & De
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One-Dimensional Nanostructures: Electrospinning Technique and Unique Nanofibers is a comprehensive book depicting the electrospinning technique and related 1D unique electrospun nanofibers. The first part of the book focuses on electrospinning technique, with chapters describing Electrospinning setup, electrospinning theories, and related working parameter. The second part of the book describes in detail specific topics on how to control the electrospun fiber properties such as how to control the fiber direction, how to control the fiber surface morphology, how to control the fiber structure, and how to construct 3D structures by electrospun fibers. The final part of the book depicts the applications of the electrospun nanofibers, with sections describing in detail specific fields such as electrospun nanofiber reinforcement, filtration, electronic devices, lithium-ion batteries, fuel cells, biomedical field, and so on. One-Dimensional Nanostructures: Electrospinning Technique and Unique Nanofibers is designed to bring state-of-the-art on electrospinning together into a single book and will be valuable resource for scientists in the electrospinning field and other scientists involved in biomedical field, mechanical field, materials, and energy field. Dr. Zhenyu Li is an associate professor at the Dept. of Chemistry, Jilin University, Changchun, P. R. China. Currently, he also holds the position in Australian Future Fibres Research & Innovation Centre, Institute for Frontier Materials, Deakin University, Geelong, Victoria, Australia. Dr. Ce Wang is a professor at the Dept. of Chemistry, Jilin University, Changchun, P. R. China.

PEM Fuel Cell Electrocatalysts and Catalyst Layers

PEM Fuel Cell Electrocatalysts and Catalyst Layers
Fundamentals and Applications

by Jiujun Zhang

  • Publisher : Springer Science & Business Media
  • Release : 2008-08-26
  • Pages : 1137
  • ISBN : 1848009364
  • Language : En, Es, Fr & De
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Proton exchange membrane (PEM) fuel cells are promising clean energy converting devices with high efficiency and low to zero emissions. Such power sources can be used in transportation, stationary, portable and micro power applications. The key components of these fuel cells are catalysts and catalyst layers. “PEM Fuel Cell Electrocatalysts and Catalyst Layers” provides a comprehensive, in-depth survey of the field, presented by internationally renowned fuel cell scientists. The opening chapters introduce the fundamentals of electrochemical theory and fuel cell catalysis. Later chapters investigate the synthesis, characterization, and activity validation of PEM fuel cell catalysts. Further chapters describe in detail the integration of the electrocatalyst/catalyst layers into the fuel cell, and their performance validation. Researchers and engineers in the fuel cell industry will find this book a valuable resource, as will students of electrochemical engineering and catalyst synthesis.

Nanopatterned and Nanoparticle-Modified Electrodes

Nanopatterned and Nanoparticle-Modified Electrodes
A Book

by Richard C. Alkire,Philip N. Bartlett,Jacek Lipkowski

  • Publisher : John Wiley & Sons
  • Release : 2017-03-13
  • Pages : 432
  • ISBN : 3527340963
  • Language : En, Es, Fr & De
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Volume XVII in the "Advances in Electrochemical Science and Engineering" series, this monograph covers progress in this rapidly developing field with a particular emphasis on important applications, including spectroscopy, medicinal chemistry and analytical chemistry. As such it covers nanopatterned and nanoparticle-modified electrodes for analytical detection, surface spectroscopy, electrocatalysis and a fundamental understanding of the relation between the electrode structure and its function. Written by a group of international experts, this is a valuable resource for researchers working in such fields as electrochemistry, materials science, spectroscopy, analytical and medicinal chemistry.

Proton Exchange Membrane Fuel Cells 8

Proton Exchange Membrane Fuel Cells 8
[research from the Eighth Symposium Devoted to Proton Exchange Membrane Fuel Cells (PEMFCs) Presented at the Pacific Rim Meeting (PRiME) on Electrochemical and Solid-State Science that was Held in Honolulu in October 2008]. Pt. 1

by Anonim

  • Publisher : The Electrochemical Society
  • Release : 2008
  • Pages : 1078
  • ISBN : 1566776481
  • Language : En, Es, Fr & De
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Proton Exchange Membrane Fuel Cell

Proton Exchange Membrane Fuel Cell
A Book

by Tolga Taner

  • Publisher : BoD – Books on Demand
  • Release : 2018-05-09
  • Pages : 212
  • ISBN : 1789230667
  • Language : En, Es, Fr & De
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The main idea of this study is to scrutinize the performance efficiency and enhancement of modelling and simulations of PEM fuel cell. Besides, the research of PEM fuel cell performance can figure out many critical issues for an alternative resource energy. The chapters collected in the book are contributions by invited researchers with a long-standing experience in different research areas. I hope that the material presented here is understandable to a wide audience, not only energy engineers but also scientists from various disciplines. The book contains nine chapters in three sections: (1) "General Information About PEM Fuel Cell", (2) "PEM Fuel Cell Technology" and (3) "Many Different Applications of PEM Fuel Cell". This book presents detailed and up-to-date evaluations in different areas and was written by academics with experience in their field. It is anticipated that this book will make a scientific contribution to PEM fuel cell and other alternative energy resource workers, researchers, academics, PhD students and other scientists both in the present and in the future.

Directory of Graduate Research

Directory of Graduate Research
A Book

by American Chemical Society. Committee on Professional Training

  • Publisher : Unknown Publisher
  • Release : 2005
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Faculties, publications and doctoral theses in departments or divisions of chemistry, chemical engineering, biochemistry and pharmaceutical and/or medicinal chemistry at universities in the United States and Canada.

Nanocrystalline Materials

Nanocrystalline Materials
Their Synthesis-Structure-Property Relationships and Applications

by Sie-Chin Tjong

  • Publisher : Newnes
  • Release : 2013-09-02
  • Pages : 418
  • ISBN : 0124078982
  • Language : En, Es, Fr & De
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This second edition of Nanocrystalline Materials provides updated information on the development and experimental work on the synthesis, properties, and applications of nanocrystalline materials. Nanocrystalline materials with new functionalities show great promise for use in industrial applications — such as reinforcing fillers in novel polymer composites — and substantial progress has been made in the past decade in their synthesis and processing. This book focuses primarily on 1D semiconducting oxides and carbon nanotubes, 2D graphene sheets and 0D nanoparticles (metals and inorganic semiconductors). These materials are synthesized under different compositions, shapes and structures, exhibiting different chemical, physical and mechanical properties from their bulk counterparts. This second edition presents new topics relevant to the fast-paced development of nanoscience and nanotechnology, including the synthesis and application of nanomaterials for drug delivery, energy, printed flash memory, and luminescent materials. With contributions from leading experts, this book describes the fundamental theories and concepts that illustrate the complexity of developing novel nanocrystalline materials, and reviews current knowledge in the synthesis, microstructural characterization, physical and mechanical behavior, and application of nanomaterials. Investigates the synthesis, characterization, and properties of a large variety of nanocrystalline materials, and their applications in industry Keeps the prominent challenges in nanomaterials fabrication at the forefront while offering the most up-to-date scientific findings Written by experts in nanomaterials with academic backgrounds in chemistry, physics, and materials engineering

Electrocatalysts for Fuel Cells and Hydrogen Evolution

Electrocatalysts for Fuel Cells and Hydrogen Evolution
Theory to Design

by Abhijit Ray,Indrajit Mukhopadhyay,Ranjan Kumar Pati

  • Publisher : BoD – Books on Demand
  • Release : 2018-12-05
  • Pages : 128
  • ISBN : 1789848121
  • Language : En, Es, Fr & De
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The book starts with a theoretical understanding of electrocatalysis in the framework of density functional theory followed by a vivid review of oxygen reduction reactions. A special emphasis has been placed on electrocatalysts for a proton-exchange membrane-based fuel cell where graphene with noble metal dispersion plays a significant role in electron transfer at thermodynamically favourable conditions. The latter part of the book deals with two 2D materials with high economic viability and process ability and MoS2 and WS2 for their prospects in water-splitting from renewable energy.

Nanotechnology for Sustainable Manufacturing

Nanotechnology for Sustainable Manufacturing
A Book

by David Rickerby

  • Publisher : CRC Press
  • Release : 2014-06-18
  • Pages : 316
  • ISBN : 1482214822
  • Language : En, Es, Fr & De
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Nanotechnology has the potential to play an important role in increasing the sustainability of a wide range of industrial sectors. Nanomaterials could contribute to more sustainable manufacturing through cleaner, less wasteful production processes and can substitute conventional materials, leading to savings in raw materials and energy. Nanotechnology for Sustainable Manufacturing discusses recent progress in the areas of energy and materials efficiency related to resource savings and conservation of raw materials, which are drivers for the application of nanotechnology in the industrial setting. Written by leading experts from Europe, North America, Asia, and Australia, the book provides an innovative perspective by establishing connections between the subject areas associated with nanotechnology and by bridging the academic and industrial research gap. The topics covered include electronics, agrifood, aerospace, pulp and paper manufacturing, batteries, catalysts, solar energy, fuel cells, drinking water, and construction materials. The chapters offer insights into the diverse industries that are currently or likely to be impacted by developments in nanotechnology and nanomaterials. They cover applications such as nanotechnology for alternative energy generation, improving water quality, and novel uses in agriculture and forest products. The book also addresses the use of life-cycle analysis for assessing the sustainability of nanotechnology-based products and processes.

Dissertation Abstracts International

Dissertation Abstracts International
The sciences and engineering. B

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2008
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Process and Chemical Engineering

Process and Chemical Engineering
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2001
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Fuel Cell Science, Engineering and Technology

Fuel Cell Science, Engineering and Technology
Presented at the ... International Conference on Fuel Cell Science, Engineering and Technology

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2003
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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PEM Fuel Cell Failure Mode Analysis

PEM Fuel Cell Failure Mode Analysis
A Book

by Haijiang Wang,Hui Li,Xiao-Zi Yuan

  • Publisher : CRC Press
  • Release : 2011-08-25
  • Pages : 364
  • ISBN : 1439839182
  • Language : En, Es, Fr & De
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PEM Fuel Cell Failure Mode Analysis presents a systematic analysis of PEM fuel cell durability and failure modes. It provides readers with a fundamental understanding of insufficient fuel cell durability, identification of failure modes and failure mechanisms of PEM fuel cells, fuel cell component degradation testing, and mitigation strategies against degradation. The first several chapters of the book examine the degradation of various fuel cell components, including degradation mechanisms, the effects of operating conditions, mitigation strategies, and testing protocols. The book then discusses the effects of different contamination sources on the degradation of fuel cell components and explores the relationship between external environment and the degradation of fuel cell components and systems. It also reviews the correlation between operational mode, such as start-up and shut-down, and the degradation of fuel cell components and systems. The last chapter explains how the design of fuel cell hardware relates to failure modes. Written by international scientists active in PEM fuel cell research, this volume is enriched with practical information on various failure modes analysis for diagnosing cell performance and identifying failure modes of degradation. This in turn helps in the development of mitigation strategies and the increasing commercialization of PEM fuel cells.

Pem Fuel Cells

Pem Fuel Cells
Theory and Practice

by Frano Barbir

  • Publisher : Academic Press
  • Release : 2012
  • Pages : 518
  • ISBN : 0123877105
  • Language : En, Es, Fr & De
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This new edition of Dr. Barbir's groundbreaking book still lays the groundwork for engineers, technicians and students better than any other resource, covering fundamentals of design, electrochemistry, heat and mass transport, as well as providing the context of system design and applications. Yet it now also provides invaluable information on the latest advances in modeling, diagnostics, materials, and components, along with an updated chapter on the evolving applications areas wherein PEM cells are being deployed."--pub. desc.

Hierarchical Nanostructures for Energy Devices

Hierarchical Nanostructures for Energy Devices
A Book

by Seung H Ko,Costas P Grigoropoulos

  • Publisher : Royal Society of Chemistry
  • Release : 2014-10-29
  • Pages : 300
  • ISBN : 1849737509
  • Language : En, Es, Fr & De
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Surface area has a directly relationship with the efficiency of energy devices. Hierarchical nanostructuring has the potential to greatly increase surface area, and their electrical properties are favourable, not only to energy generation and storage, but also energy-consuming electronic circuits. This book provides systematic coverage of how nanostructured materials can be applied to energy devices, with an emphasis on the process of generation to storage and consumption. The fundamentals (including properties, characterisation and synthesis) are clearly presented across the first chapters of the book, providing readers new to the field with a clear overview of this expanding topic. The detailed discussion of applications will be an inspiration to those already well-versed in the field. The editors have more than a decade of experience in working on all aspects of energy generation and storage - in academia, national laboratories and industry. The book presents a balanced view from all sectors and is presented in a format accessible by postgraduate students and professional researchers alike.

Fuel Cell Handbook

Fuel Cell Handbook
A Book

by A. J. Appleby,F. R. Foulkes

  • Publisher : Krieger Publishing Company
  • Release : 1993
  • Pages : 762
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Proton Exchange Membrane Fuel Cells 9

Proton Exchange Membrane Fuel Cells 9
ECS Transactions: Volume 25

by T. Fuller,C. Hartnig,V. Ramani,H. Uchida,H. A. Gasteiger,S. Cleghorn,P. Strasser,T. Zawodzinski,D. Jones,P. Shirvanian,T. Jarvi,P. Zelenay,C. Lamy,P. Bele

  • Publisher : The Electrochemical Society
  • Release : 2009-09
  • Pages : 2068
  • ISBN : 1566777380
  • Language : En, Es, Fr & De
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This issue of ECS Transactions is devoted to all aspects of research, development, and engineering of proton exchange membrane (PEM) fuel cells and attacks, as well as low-temperature direct-fuel cells. The intention of the symposium is to bring together the international community working on the subject and to enable effective interactions between the research and engineering communities. This issue is sold as a two-part set.

Direct Methanol Fuel Cell Technology

Direct Methanol Fuel Cell Technology
A Book

by Kingshuk Dutta

  • Publisher : Elsevier
  • Release : 2020-02-25
  • Pages : 564
  • ISBN : 0128191597
  • Language : En, Es, Fr & De
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Direct Methanol Fuel Cell Technology presents the overall progress witnessed in the field of DMFC over the past decade, highlighting the components, materials, functions, properties and features, designs and configurations, operations, modelling, applications, pros and cons, social, political and market penetration, economics and future directions. The book discusses every single aspect of DMFC device technology, the associated advantages and drawbacks of state-of-the-art materials and design, market opportunities and commercialization aspects, and possible future directions of research and development. This book, containing critical analyses and opinions from experts around the world, will garner considerable interest among actual users/scientists/experts. Analyzes developments of membrane electrolytes, electrodes, catalysts, catalyst supports, bipolar plates, gas diffusion layers and flow channels as critical components of direct methanol fuel cells Includes modeling of direct methanol fuel cells to understand their scaling up potentials Discusses commercial aspects of direct methanol fuel cells in terms of market penetration, end application, cost, viability, reliability, social and commercial perception, drawbacks and prospects