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Pem Fuel Cell Failure Mode Analysis

Author: Haijiang Wang
Publisher: CRC Press
ISBN: 1439839174
Size: 46.96 MB
Format: PDF, Docs
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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 Cell Testing And Diagnosis

Author: Jiujun Zhang
Publisher: Newnes
ISBN: 0444536892
Size: 21.94 MB
Format: PDF, Kindle
View: 1748
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PEM Fuel Cell Testing and Diagnosis covers the recent advances in PEM (proton exchange membrane) fuel cell systems, focusing on instruments and techniques for testing and diagnosis, and the application of diagnostic techniques in practical tests and operation. This book is a unique source of electrochemical techniques for researchers, scientists and engineers working in the area of fuel cells. Proton exchange membrane fuel cells are currently considered the most promising clean energy-converting devices for stationary, transportation, and micro-power applications due to their high energy density, high efficiency, and environmental friendliness. To advance research and development of this emerging technology, testing and diagnosis are an essential combined step. This book aids those efforts, addressing effects of humidity, temperature and pressure on fuel cells, degradation and failure analysis, and design and assembly of MEAs, single cells and stacks. Provides fundamental and theoretical principles for PEM fuel cell testing and diagnosis. Comprehensive source for selecting techniques, experimental designs and data analysis Analyzes PEM fuel cell degradation and failure mechanisms, and suggests failure mitigation strategies Provides principles for selecting PEM fuel cell key materials to improve durability

Proton Exchange Membrane Fuel Cells

Author: Alhussein Albarbar
Publisher: Springer
ISBN: 3319707272
Size: 80.63 MB
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This book examines the characteristics of Proton Exchange Membrane (PEM) Fuel Cells with a focus on deriving realistic finite element models. The book also explains in detail how to set up measuring systems, data analysis, and PEM Fuel Cells’ static and dynamic characteristics. Covered in detail are design and operation principles such as polarization phenomenon, thermodynamic analysis, and overall voltage; failure modes and mechanisms such as permanent faults, membrane degradation, and water management; and modelling and numerical simulation including semi-empirical, one-dimensional, two-dimensional, and three-dimensional models. It is appropriate for graduate students, researchers, and engineers who work with the design and reliability of hydrogen fuel cells, in particular proton exchange membrane fuel cells.

Safety Reliability And Risk Analysis

Author: R.D.J.M. Steenbergen
Publisher: CRC Press
ISBN: 1315815591
Size: 47.86 MB
Format: PDF, ePub, Mobi
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During the last decade there have been increasing societal concerns over sustainable developments focusing on the conservation of the environment, the welfare and safety of the individual and at the same time the optimal allocation of available natural and financial resources. As a consequence the methods of risk and reliability analysis are becoming increasingly important as decision support tools in various fields of engineering. In this book, the risk and reliability research community looks beyond the horizon. The technology we deploy to fix today’s problems is based on research that started more than two decades ago. What we are doing today should make a difference for tomorrow. Developing innovative new knowledge and applications helps engineers to better play the important role they have for society in establishing the basis for decision making. Safety, Reliability and Risk Analysis: Beyond the Horizon contains the papers presented at the 22nd European Safety and Reliability (ESREL 2013) annual conference in Amsterdam, The Netherlands. The abstracts book (785 pages) + full paper CD-ROM (3426 pages) cover a wide range of topics for which risk analysis forms an indispensable field of knowledge to ensure sufficient safety: Uncertainty Analysis, Accident and Incident Modeling, Human Factors and Human Reliability, System Reliability, Structural Reliability, Safety in Civil Engineering, Quantitative Risk Assessment, Prognostics and System Health Management, Occupational Safety, Mathematical Methods in Reliability and Safety, and Maintenance Modeling and Applications. Applications in different industrial areas are shown: Natural Hazards, Land Transportation, Aeronautics Aerospace, Chemical and Process Industry, Critical Infrastructures, Manufacturing, Security, Nuclear Industry, Energy, Maritime Transportation, and Information Technology.

Pem Fuel Cell Diagnostic Tools

Author: Haijiang Wang
Publisher: CRC Press
ISBN: 1439839204
Size: 54.43 MB
Format: PDF, ePub, Mobi
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PEM Fuel Cell Diagnostic Tools presents various tools for diagnosing PEM fuel cells and stacks, including in situ and ex situ diagnostic tools, electrochemical techniques, and physical/chemical methods. The text outlines the principles, experimental implementation, data processing, and application of each technique, along with its capabilities and weaknesses. The book covers many diagnostics employed in the characterization and determination of fuel cell performance. It discusses commonly used conventional tools, such as cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy, and transmission electron microscopy. It also examines special tools developed specifically for PEM fuel cells, including transparent cells, cathode discharge, and current mapping, as well as recent advanced tools for diagnosis, such as magnetic resonance imaging and atomic force microscopy. For clarity, the book splits these diagnostic methodologies into two parts—in situ and ex situ. To better understand the tools, PEM fuel cell testing is also discussed. Each self-contained chapter provides cross-references to other chapters. Written by international scientists active in PEM fuel cell research, this volume incorporates state-of-the-art technical advances in PEM fuel cell diagnosis. The diagnostic tools presented help readers to understand the physical and chemical phenomena involved in PEM fuel cells.

Pem Fuel Cell Electrocatalysts And Catalyst Layers

Author: Jiujun Zhang
Publisher: Springer Science & Business Media
ISBN: 1848009364
Size: 35.78 MB
Format: PDF, ePub
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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.

Pem Fuel Cell Testing And Diagnosis

Author: Jiujun Zhang
Publisher: Newnes
ISBN: 0444536892
Size: 22.64 MB
Format: PDF, Kindle
View: 4527
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PEM Fuel Cell Testing and Diagnosis covers the recent advances in PEM (proton exchange membrane) fuel cell systems, focusing on instruments and techniques for testing and diagnosis, and the application of diagnostic techniques in practical tests and operation. This book is a unique source of electrochemical techniques for researchers, scientists and engineers working in the area of fuel cells. Proton exchange membrane fuel cells are currently considered the most promising clean energy-converting devices for stationary, transportation, and micro-power applications due to their high energy density, high efficiency, and environmental friendliness. To advance research and development of this emerging technology, testing and diagnosis are an essential combined step. This book aids those efforts, addressing effects of humidity, temperature and pressure on fuel cells, degradation and failure analysis, and design and assembly of MEAs, single cells and stacks. Provides fundamental and theoretical principles for PEM fuel cell testing and diagnosis. Comprehensive source for selecting techniques, experimental designs and data analysis Analyzes PEM fuel cell degradation and failure mechanisms, and suggests failure mitigation strategies Provides principles for selecting PEM fuel cell key materials to improve durability

Pem Fuel Cell Durability Handbook Two Volume Set

Author: Haijiang Wang
Publisher: CRC Press
ISBN: 9781439839218
Size: 30.21 MB
Format: PDF, Kindle
View: 2017
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While PEM fuel cells are highly efficient, environmentally friendly sources of power, their durability hinders the commercialization of this technology. With contributions from international scientists active in PEM fuel cell research, PEM Fuel Cell Durability Handbook, Two-Volume Set provides a comprehensive source of state-of-the-art research in the field. The handbook looks at how to overcome the technical challenges of PEM fuel cell technology and drive the technology toward increased commercialization. The two volumes in the set cover numerous durability-related issues in the development of PEM fuel cells. The first volume analyzes failure modes that result in the insufficient durability of PEM fuel cells. Supplying a handy toolbox for practical work, the second volume brings together the different types of diagnostic tools currently used by PEM fuel cell researchers. By providing an understanding of fuel cell performance, degradation, and failure modes, this two-volume handbook helps readers develop new materials and design novel fuel cells that mitigate their degradation.

Polymer Electrolyte Fuel Cell Degradation

Author: Matthew M. Mench
Publisher: Academic Press
ISBN: 0123869366
Size: 60.32 MB
Format: PDF, ePub, Docs
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For full market implementation of PEM fuel cells to become a reality, two main limiting technical issues must be overcome- cost and durability. This cutting-edge volume directly addresses the state-of-the-art advances in durability within every fuel cell stack component. [...] chapters on durability in the individual fuel cell components -- membranes, electrodes, diffusion media, and bipolar plates -- highlight specific degradation modes and mitigation strategies. The book also includes chapters which synthesize the component-related failure modes to examine experimental diagnostics, computational modeling, and laboratory protocol"--Back cover.