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PEM Fuel Cells

PEM Fuel Cells
  • Author : Frano Barbir
  • Publisher :Unknown
  • Release Date :2012-12-31
  • Total pages :444
  • ISBN : 9780123983725
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Summary : Demand for fuel cell technology is growing rapidly. Fuel cells are being commercialized to provide power to buildings like hospitals and schools, to replace batteries in portable electronic devices, and as replacements for internal combustion engines in vehicles. PEM (Proton Exchange Membrane) fuel cells are lighter, smaller, and more efficient than other types of fuel cell. As a result, over 80% of fuel cells being produced today are PEM cells. 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. Comprehensive guide covers all aspects of PEM fuel cells, from theory and fundamentals to practical applications Provides solutions to heat and water management problems engineers must face when designing and implementing PEM fuel cells in systems Hundreds of original illustrations, real-life engineering examples, and end-of-chapter problems help clarify, contextualize, and aid understanding

Proton Exchange Membrane Fuel Cells

Proton Exchange Membrane Fuel Cells
  • Author : Alhussein Albarbar,Mohmad Alrweq
  • Publisher :Unknown
  • Release Date :2017-11-17
  • Total pages :163
  • ISBN : 9783319707273
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Summary : 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.

Proton Exchange Membrane Fuel Cell

Proton Exchange Membrane Fuel Cell
  • Author : Tolga Taner
  • Publisher :Unknown
  • Release Date :2018-05-09
  • Total pages :212
  • ISBN : 9781789230666
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Summary : 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.

PEM Fuel Cell Testing and Diagnosis

PEM Fuel Cell Testing and Diagnosis
  • Author : Jiujun Zhang,Jifeng Wu,Huamin Zhang
  • Publisher :Unknown
  • Release Date :2013-01-22
  • Total pages :600
  • ISBN : 9780444536891
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Summary : 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 Modeling

Proton Exchange Membrane Fuel Cells Modeling
  • Author : Fengge Gao,Benjamin Blunier,Abdellatif Miraoui
  • Publisher :Unknown
  • Release Date :2013-02-07
  • Total pages :239
  • ISBN : 9781118566374
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Summary : The fuel cell is a potential candidate for energy storage andconversion in our future energy mix. It is able to directly convertthe chemical energy stored in fuel (e.g. hydrogen) intoelectricity, without undergoing different intermediary conversionsteps. In the field of mobile and stationary applications, it isconsidered to be one of the future energy solutions. Among the different fuel cell types, the proton exchange membrane(PEM) fuel cell has shown great potential in mobile applications,due to its low operating temperature, solid-state electrolyte andcompactness. This book presents a detailed state of art of PEM fuel cellmodeling, with very detailed physical phenomena equations indifferent physical domains. Examples and a fully coupledmulti-physical 1.2 kW PEMFC model are given help the reader betterunderstand how to use the equations.

Polymers for PEM Fuel Cells

Polymers for PEM Fuel Cells
  • Author : Hongting Pu
  • Publisher :Unknown
  • Release Date :2014-09-15
  • Total pages :432
  • ISBN : 9781118329405
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Summary : Including chemical, synthetic, and cross-disciplinary approaches; this book includes the necessary techniques and technologies to help readers better understand polymers for polymer electrolyte membrane (PEM) fuel cells. The methods in the book are essential to researchers and scientists in the field and will lead to further development in polymer and fuel cell technologies. • Provides complete, essential, and comprehensive overview of polymer applications for PEM fuel cells • Emphasizes state-of-the-art developments and methods, like PEMs for novel fuel cells and polymers for fuel cell catalysts • Includes detailed chapters on major topics, like PEM for direct liquid fuel cells and fluoropolymers and non-fluorinated polymers for PEM • Has relevance to a range of industries – like polymer engineering, materials, and green technology – involved with fuel cell technologies and R&D

Proton Exchange Membrane Fuel Cells

Proton Exchange Membrane Fuel Cells
  • Author : Hui Li,Shanna Knights,Zheng Shi,John W. Van Zee,Jiujun Zhang
  • Publisher :Unknown
  • Release Date :2010-04-14
  • Total pages :436
  • ISBN : 1439806799
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Summary : Large-scale commercialization of proton exchange membrane fuel cell (PEMFC) technology has been hindered by issues of reliability, durability, and cost, which are all related to the degradation of fuel cell performance. This degradation often has root causes in contamination from fuel, air streams, or system components. With contributions from international scientists and engineers active in PEMFC research, Proton Exchange Membrane Fuel Cells: Contamination and Mitigation Strategies discusses the impacts of contamination and the contamination mitigation strategies to improve fuel cell performance and durability. The book covers the nature, sources, and electrochemistry of contaminants; their effects on fuel cell performance and lifetime; and the mechanisms of contamination. Exploring the major findings from experimental and theoretical studies in contamination-related research, the expert contributors present methods and tools used for diagnosing various contamination phenomena, along with strategies for mitigating the adverse effects of contamination. They also describe key issues in the future R&D of fuel cell contamination and control. Helping to facilitate pioneering PEMFC R&D and accelerate sustainable commercialization, this book contains the latest research efforts and novel developments as well as important new directions in PEMFC contamination. It offers a comprehensive overview of nearly every aspect of fuel cell contamination, from fundamentals to applications.

Fuel Cell Technology

Fuel Cell Technology
  • Author : Nigel Sammes
  • Publisher :Unknown
  • Release Date :2006-05-14
  • Total pages :298
  • ISBN : 1846282071
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Summary : Fuel cells are a very promising technology for the clean and efficient production of power. Fuel Cell Technology is an up-to-date survey of the development of this technology and will be bought by researchers and graduate students in materials control and chemical engineering working at universities and institutions and researchers and technical managers in commercial companies working in fuel cell technology.

PEM Fuel Cell Modeling and Simulation Using Matlab

PEM Fuel Cell Modeling and Simulation Using Matlab
  • Author : Colleen Spiegel
  • Publisher :Unknown
  • Release Date :2011-08-29
  • Total pages :456
  • ISBN : 0080559018
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Summary : Although, the basic concept of a fuel cell is quite simple, creating new designs and optimizing their performance takes serious work and a mastery of several technical areas. PEM Fuel Cell Modeling and Simulation Using Matlab, provides design engineers and researchers with a valuable tool for understanding and overcoming barriers to designing and building the next generation of PEM Fuel Cells. With this book, engineers can test components and verify designs in the development phase, saving both time and money. Easy to read and understand, this book provides design and modelling tips for fuel cell components such as: modelling proton exchange structure, catalyst layers, gas diffusion, fuel distribution structures, fuel cell stacks and fuel cell plant. This book includes design advice and MATLAB and FEMLAB codes for Fuel Cell types such as: polymer electrolyte, direct methanol and solid oxide fuel cells. This book also includes types for one, two and three dimensional modeling and two-phase flow phenomena and microfluidics. *Modeling and design validation techniques *Covers most types of Fuel Cell including SOFC *MATLAB and FEMLAB modelling codes *Translates basic phenomena into mathematical equations

PEM Fuel Cell Diagnostic Tools

PEM Fuel Cell Diagnostic Tools
  • Author : Haijiang Wang,Xiao-Zi Yuan,Hui Li
  • Publisher :Unknown
  • Release Date :2011-08-25
  • Total pages :578
  • ISBN : 9781439839201
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Summary : 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.

Proton Exchange Membrane Fuel Cells

Proton Exchange Membrane Fuel Cells
  • Author : Zhigang Qi
  • Publisher :Unknown
  • Release Date :2013-12-16
  • Total pages :371
  • ISBN : 9781466513709
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Summary : Clean energy technologies are poised to play an important role in overcoming fossil fuel exhaustion and global pollution. Among these technologies, electrochemical energy storage and conversion are considered to be the most feasible, sustainable, and environmentally friendly. Proton exchange membrane (PEM) fuel cells are prime examples of electrochemical energy conversion technologies in action. Believed to be ideal sources of clean power, PEM fuel cells are replacing internal combustion and diesel engines in vehicles, as well as Pb-acid batteries and diesel generators in the emergency backup of telecommunications base stations and computer centers. Written by an industry-leading scientist, Proton Exchange Membrane Fuel Cells explains the theoretical foundations of PEM fuel cells in relation to practical design and operation to not only help beginners grasp the essentials, but also guide industry professionals in tackling technical challenges. Useful to scientists, researchers, students, academics, and practicing engineers, the book covers the fundamentals, materials, components, modules, system architecture, applications, and current developmental status; offers real-world examples; and provides insight into advancing this sustainable clean technology.

PEM Fuel Cell Failure Mode Analysis

PEM Fuel Cell Failure Mode Analysis
  • Author : Haijiang Wang,Hui Li,Xiao-Zi Yuan
  • Publisher :Unknown
  • Release Date :2011-08-25
  • Total pages :364
  • ISBN : 9781439839171
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Summary : 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 Electrocatalysts and Catalyst Layers

PEM Fuel Cell Electrocatalysts and Catalyst Layers
  • Author : Jiujun Zhang
  • Publisher :Unknown
  • Release Date :2008-08-26
  • Total pages :1137
  • ISBN : 9781848009363
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Summary : 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.

Proton Exchange Membrane Fuel Cells 9

Proton Exchange Membrane Fuel Cells 9
  • Author : 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 :Unknown
  • Release Date :2009-09
  • Total pages :2068
  • ISBN : 9781566777384
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Summary : 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.

Proton Exchange Membrane Fuel Cells

Proton Exchange Membrane Fuel Cells
  • Author : David P. Wilkinson,Jiujun Zhang,Rob Hui,Jeffrey Fergus,Xianguo Li
  • Publisher :Unknown
  • Release Date :2009-11-24
  • Total pages :460
  • ISBN : 1439806667
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Summary : A Detailed, Up-to-Date Treatment of Key Developments in PEMFC Materials The potential to revolutionize the way we power our world Because of its lower temperature and special polymer electrolyte membrane, the proton exchange membrane fuel cell (PEMFC) is well-suited for transportation, portable, and micro fuel cell applications. But the performance of these fuel cells critically depends on the materials used for the various cell components. Durability, water management, and reducing catalyst poisoning are important factors when selecting PEMFC materials. Written by international PEMFC scientists and engineers from top-level organizations, Proton Exchange Membrane Fuel Cells: Materials Properties and Performance provides a single resource of information for understanding how to select and develop materials for improved PEMFC performance. The book focuses on the major components of the fuel cell unit, along with design and modeling aspects. It covers catalysts and catalyst layers, before discussing the key components of membranes, diffusion layers, and bipolar plates. The book also explores materials modeling for the PEMFC. This volume assesses the current status of PEMFC fuel cell technology, research and development directions, and the scientific and engineering challenges facing the fuel cell community. It demonstrates how the production of a commercially viable PEMFC requires a compromise of materials with adequate properties, design interaction, and manufacturability.

Introduction to Transfer Phenomena in PEM Fuel Cells

Introduction to Transfer Phenomena in PEM Fuel Cells
  • Author : Bilal Abderezzak
  • Publisher :Unknown
  • Release Date :2018-11-13
  • Total pages :186
  • ISBN : 9780081027639
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Summary : Introduction to Transfer Phenomena in PEM Fuel Cells presents the fruit of several years of research in the area of fuel cells. The book illustrates the transfer phenomena occurring inside a single cell and describes the technology field of hydrogen, explicitly the production, storage and risk management of hydrogen as an energy carrier. Several applications of hydrogen are also cited, and special interest is dedicated to the PEM Fuel Cell. Mass, charge and heat transfer phenomena are also discussed in this great resource that includes explanations, illustrations and governing equations for each section. Illustrates transfer phenomena occurring within a single cell Describes the technological field of hydrogen (production, storage, and risk and management) Introduces the various applications of hydrogen Presents mass transfer, charge and heat phenomena

Electrochemical Impedance Spectroscopy in PEM Fuel Cells

Electrochemical Impedance Spectroscopy in PEM Fuel Cells
  • Author : Xiao-Zi (Riny) Yuan,Chaojie Song,Haijiang Wang,Jiujun Zhang
  • Publisher :Unknown
  • Release Date :2009-11-25
  • Total pages :420
  • ISBN : 1848828462
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Summary : "Electrochemical Impedance Spectroscopy in PEM Fuel Cells" discusses one of the most powerful and useful diagnostic tools for various aspects of the study of fuel cells: electrochemical impedance spectroscopy (EIS). This comprehensive reference on EIS fundamentals and applications in fuel cells contains information about basic principles, measurements, and fuel cell applications of the EIS technique. Many illustrated examples are provided to ensure maximum clarity and observability of the spectra. "Electrochemical Impedance Spectroscopy in PEM Fuel Cells" will enable readers to explore the frontiers of EIS technology in PEM fuel cell research and other electrochemical systems. As well as being a useful text for electrochemists, it can also help researchers who are unfamiliar with EIS to learn the technique quickly and to use it correctly in their fuel cell research. Managers or entrepreneurs may also find this book a useful guide to accessing the challenges and opportunities in fuel cell technology.

Hydrogen-Air PEM Fuel Cell

Hydrogen-Air PEM Fuel Cell
  • Author : Shiwen Tong,Dianwei Qian,Chunlei Huo
  • Publisher :Unknown
  • Release Date :2018-09-24
  • Total pages :222
  • ISBN : 9783110602159
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Summary : The book presents the modeling and control of hydrogen-air PEM fuel cells, including simultaneous estimation of the parameters and states, fuzzy cluster modeling, SPM-based predictive control and advanced fuzzy control. MATLAB/Simulink-based modeling and control programs are discussed in detail. With simulations and experiments, it is an essential reference for both scientists and industrial engineers.

PEM Fuel Cells

PEM Fuel Cells
  • Author : Felicia Buchanan
  • Publisher :Unknown
  • Release Date :2015
  • Total pages :184
  • ISBN : 1634822498
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Summary : Proton Exchange Membrane (PEM) fuel cells are still undergoing intense development, and the combination of new and optimized materials, improved product development, novel architectures, more efficient transport processes, and design optimization and integration are expected to lead to major gains in performance, efficiency, durability, reliability, manufacturability and cost-effectiveness. The potential of fuel cells as an energy source to replace fossil fuels in a wide range of applications, has now become a reality that is environmentally friendly and helps support the sustainable development of the planet. A fuel cell is a device that converts the chemical energy contained in a fuel, generally hydrogen, into electrical and thermal energy, in the presence of an oxidant, which can either be either air or oxygen. This book discusses the theories, performance and applications of PEM fuel cells.

Modeling and Control of PEM Fuel Cells

Modeling and Control of PEM Fuel Cells
  • Author : Maria Laura Sarmiento Carnevali
  • Publisher :Unknown
  • Release Date :2019
  • Total pages :183
  • ISBN : OCLC:1151063630
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Summary : In recent years, the PEM fuel cell technology has been incorporated to the R&D plans of many key companies in the automotive, stationary power and portable electronics sectors. However, despite current developments, the technology is not mature enough to be significantly introduced into the energy market. Performance, durability and cost are the key challenges. The performance and durability of PEM fue! cells significantly depend on variations in the concentrations of hydrogen and oxygen in the gas channels, water activity in the catalyst layers and other backing layers, water content in the polymer electrolyte membrane, as well as temperature, among other variables. Such variables exhibit intemal spatial dependence in the direction of the fuel and air streams of the anode and cathode. Highly non-uniform spatial distributions in PEM fuel cells result in local over-heating, cell flooding, accelerated ageing, and lower power output than expected. Despite the importance of spatial variations of certain variables in PEM fuel cells, not many works available in the literature target the control of spatial profiles. Most control-oriented designs use lumped-parameter models because of their simplicity and convenience for controller performance. In contrast, this Doctoral Thesis targets the distributed parameter modelling and control of PEM fuel cells. In the modelling part, the research addresses the detailed development of a non-linear distributed parameter model of a single PEM fuel cell, which incorporates the effects of spatial variations of variables that are relevant to its proper performance. The model is first used to analyse important cell intemal spatial profiles, and it is later simplified in arder to decrease its computational complexity and make it suitable for control purposes. In this task, two different model order reduction techniques are applied and compared. The purpose of the control part is to tackle water management and supply of reactants, which are two major PEM fuel cell operation challenges with important degradation consequences. In this part of the Thesis, two decentralised control strategies based on distributed parameter model predictive controllers are designed, implemented and analysed via simulation environment State observers are also designed to estímate intemal unmeasurable spatial profiles necessary for the control action. The aim of the first strategy is to monitor and control observed water activity spatial profiles on both sides of the membrana to appropriate levels. These target values are carefully chosen to combine proper membrane, catalyst layer and gas diffusion layer humídification, whilst the rate of accumulation of excess liquid water is reduced. The key objective of this approach is to decrease the frequency of water removal actions that cause disruption in the power supplied by the cell, increased parasitic losses or degradation of cell efficiency. The second strategy is a variation of the previous water activity control strategy, which includes the control of spatial distribution of gases in the fuel and air channels. This integrated solution aims to avoid starvation of reactants by controlling corresponding concentration spatial profiles. This approach is intended to prevent PEM fuel cell degradation due to corrosion mechanisms, and thennal stress caused by the consequences of reactant starvation.

PEM Fuel Cells

PEM Fuel Cells
  • Author : Yun Wang,Ken S. Chen
  • Publisher :Unknown
  • Release Date :2013-04-06
  • Total pages :418
  • ISBN : 9781606502471
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Summary : Polymer Electrolyte Membrane (PEM) fuel cells convert chemical energy in hydrogen into electrical energy with water as the only by-product. Thus, PEM fuel cells hold great promise to reduce both pollutant emissions and dependency on fossil fuels, especially for transportation—passenger cars, utility vehicles, and buses—and small-scale stationary and portable power generators. But one of the greatest challenges to realizing the high efficiency and zero emissions potential of PEM fuel cells technology is heat and water management. This book provides an introduction to the essential concepts for effective thermal and water management in PEM fuel cells and an assessment on the current status of fundamental research in this field. The book offers you: • An overview of current energy and environmental challenges and their imperatives for the development of renewable energy resources, including discussion of the role of PEM fuel cells in addressing these issues; • Reviews of basic principles pertaining to PEM fuel cells, including thermodynamics, electrochemical reaction kinetics, flow, heat and mass transfer; and • Descriptions and discussions of water transport and management within a PEM fuel cell, including vapor- and liquid-phase water removal from the electrodes, the effects of two-phase flow, and solid water or ice dynamics and removal, particularly the specialized case of starting a PEM fuel cell at sub-freezing temperatures (cold start) and the various processes related to ice formation.