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Analytical Modeling Of Fuel Cells

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Analytical Modelling of Fuel Cells

Analytical Modelling of Fuel Cells Book
Author : Andrei A Kulikovsky
Publisher : Elsevier
Release : 2010-06-29
ISBN : 9780444535610
Language : En, Es, Fr & De

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Book Description :

In fuel cell research, the gap between fundamental electrochemical processes and the engineering of fuel cell systems is bridged by the physical modelling of fuel cells. This relatively new discipline aims to understand the basic transport and kinetic phenomena in a real cell and stack environment, paving the way for improved design and performance. The author brings his unique approach to the analytical modeling of fuel cells to this essential reference for energy technologists. Covers recent advances and analytical solutions to a range of problems faced by energy technologists, from catalyst layer performance to thermal stability Provides detailed graphs, charts and other tools (glossary, index) to maximize R&D output while minimizing costs and time spent on dead-end research Presents Kulikovsky’s signature approach (and the data to support it)—which uses "simplified" models based on idealized systems, basic geometries, and minimal assumptions—enabling qualitative understanding of the causes and effects of phenomena

Analytical Modelling of Fuel Cells

Analytical Modelling of Fuel Cells Book
Author : Andrei A Kulikovsky
Publisher : Unknown
Release : 2019-05-09
ISBN : 0444642226
Language : En, Es, Fr & De

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Book Description :

Analytical Modelling of Fuel Cells, Second Edition, is devoted to the analytical models that help us understand the mechanisms of cell operation. The book contains equations for the rapid evaluation of various aspects of fuel cell performance, including cell potential, rate of electrochemical reactions, rate of transport processes in the cell, and temperature fields in the cell, etc. Furthermore, the book discusses how to develop simple physics-based analytical models. A new chapter is devoted to analytical models of PEM fuel cell impedance, a technique that exhibits explosive growth potential. Finally, the book contains Maple worksheets implementing some of the models discussed. Includes simple physics-based equations for the fuel cell polarization curve Provides analytical solutions for fuel cell impedance Includes simple equations for calculation of temperature shapes in fuel cells Introduces physical descriptions of the basic transport and kinetic phenomena in fuel cells of various types

Analytical Modelling of Fuel Cells

Analytical Modelling of Fuel Cells Book
Author : Andrei A. Kulikovsky
Publisher : Elsevier
Release : 2019-05-03
ISBN : 0444642900
Language : En, Es, Fr & De

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Book Description :

Analytical Modelling of Fuel Cells, Second Edition, is devoted to the analytical models that help us understand the mechanisms of cell operation. The book contains equations for the rapid evaluation of various aspects of fuel cell performance, including cell potential, rate of electrochemical reactions, rate of transport processes in the cell, and temperature fields in the cell, etc. Furthermore, the book discusses how to develop simple physics-based analytical models. A new chapter is devoted to analytical models of PEM fuel cell impedance, a technique that exhibits explosive growth potential. Finally, the book contains Maple worksheets implementing some of the models discussed. Includes simple physics-based equations for the fuel cell polarization curve Provides analytical solutions for fuel cell impedance Includes simple equations for calculation of temperature shapes in fuel cells Introduces physical descriptions of the basic transport and kinetic phenomena in fuel cells of various types

Polymer Electrolyte Fuel Cells

Polymer Electrolyte Fuel Cells Book
Author : Michael Eikerling,Andrei Kulikovsky
Publisher : CRC Press
Release : 2014-09-23
ISBN : 1439854068
Language : En, Es, Fr & De

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Book Description :

The book provides a systematic and profound account of scientific challenges in fuel cell research. The introductory chapters bring readers up to date on the urgency and implications of the global energy challenge, the prospects of electrochemical energy conversion technologies, and the thermodynamic and electrochemical principles underlying the operation of polymer electrolyte fuel cells. The book then presents the scientific challenges in fuel cell research as a systematic account of distinct components, length scales, physicochemical processes, and scientific disciplines. The main part of the book focuses on theory and modeling. Theoretical tools and approaches, applied to fuel cell research, are presented in a self-contained manner. Chapters are arranged by different fuel cell materials and components, and sections advance through the hierarchy of scales, starting from molecular-level processes in proton-conducting media or electrocatalytic systems and ending with performance issues at the device level, including electrochemical performance, water management, durability, and analysis of failure mechanisms. Throughout, the book gives numerous examples of formidable scientific challenges as well as of tools to facilitate materials design and development of diagnostic methods. It reveals reserves for performance improvements and uncovers misapprehensions in scientific understanding that have misled or may continue to mislead technological development. An indispensable resource for scientifically minded and practically oriented researchers, this book helps industry leaders to appreciate the contributions of fundamental research, and leaders of fundamental research to appreciate the needs of industry.

Direct Methanol Fuel Cell Technology

Direct Methanol Fuel Cell Technology Book
Author : Kingshuk Dutta
Publisher : Elsevier
Release : 2020-02-25
ISBN : 0128191597
Language : En, Es, Fr & De

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Book Description :

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

Fuel Cell Science and Engineering 2 Volume Set

Fuel Cell Science and Engineering  2 Volume Set Book
Author : Detlef Stolten,Bernd Emonts
Publisher : John Wiley & Sons
Release : 2012-10-22
ISBN : 3527650261
Language : En, Es, Fr & De

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Book Description :

Fuel cells are expected to play a major role in the future power supply that will transform to renewable, decentralized and fluctuating primary energies. At the same time the share of electric power will continually increase at the expense of thermal and mechanical energy not just in transportation, but also in households. Hydrogen as a perfect fuel for fuel cells and an outstanding and efficient means of bulk storage for renewable energy will spearhead this development together with fuel cells. Moreover, small fuel cells hold great potential for portable devices such as gadgets and medical applications such as pacemakers. This handbook will explore specific fuel cells within and beyond the mainstream development and focuses on materials and production processes for both SOFC and lowtemperature fuel cells, analytics and diagnostics for fuel cells, modeling and simulation as well as balance of plant design and components. As fuel cells are getting increasingly sophisticated and industrially developed the issues of quality assurance and methodology of development are included in this handbook. The contributions to this book come from an international panel of experts from academia, industry, institutions and government. This handbook is oriented toward people looking for detailed information on specific fuel cell types, their materials, production processes, modeling and analytics. Overview information on the contrary on mainstream fuel cells and applications are provided in the book 'Hydrogen and Fuel Cells', published in 2010.

Analytical Models for PEM Fuel Cell Impedance

Analytical Models for PEM Fuel Cell Impedance Book
Author : Andrei Kulikovsky
Publisher : Unknown
Release : 2017-06-10
ISBN : 9781521470749
Language : En, Es, Fr & De

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Book Description :

The book reports recently developed analytical physics-based models for impedance of a polymer electrolyte membrane fuel cell. Chapter 1 discusses the transient macro-homogeneous model for the cathode catalyst layer. This model forms a basis for all impedance models discussed in this book. Chapter 2 reports solvable analytical impedance models. These models are very fast; the respective numerical algorithms for fitting impedance spectra yield the result in just several minutes on a standard PC. However, the assumptions behind the model equations limit their validity by the cell current density of about a hundred mA cm^{-2}. Chapter 3 presents a more general numerical model valid for the cell currents up to 1 A cm2. However, the fitting algorithm based on this model is rather slow; typical variant takes from one to ten hours on a standard PC. A much faster algorithm can be constructed based on approximate analytical expression for the high--current cell impedance, which concludes this Chapter. The book could be useful to fuel cell developers, researchers and students in the field of fuel cell science. Maple worksheets with codes from this book for fitting experimental impedance spectra can be downloaded from https://github.com/akulikovsky/Fitting_Procs/issues/1

Fuel Cells and Hydrogen Production

Fuel Cells and Hydrogen Production Book
Author : Timothy E. Lipman,Adam Weber
Publisher : Springer
Release : 2018-10-29
ISBN : 9781493977888
Language : En, Es, Fr & De

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Book Description :

The expected end of the “oil age” will lead to increasing focus and reliance on alternative energy conversion devices, among which fuel cells have the potential to play an important role. Not only can phosphoric acid and solid oxide fuel cells already efficiently convert today’s fossil fuels, including methane, into electricity, but other types of fuel cells, such as polymer electrolyte membrane fuel cells, have the potential to become the cornerstones of a possible future hydrogen economy. This handbook offers concise yet comprehensive coverage of the current state of fuel cell research and identifies key areas for future investigation. Internationally renowned specialists provide authoritative introductions to a wide variety of fuel cell types and hydrogen production technologies, and discuss materials and components for these systems. Sustainability and marketing considerations are also covered, including comparisons of fuel cells with alternative technologies.

Proton Exchange Membrane Fuel Cells Modeling

Proton Exchange Membrane Fuel Cells Modeling Book
Author : Fengge Gao,Benjamin Blunier,Abdellatif Miraoui
Publisher : John Wiley & Sons
Release : 2013-02-07
ISBN : 1118566378
Language : En, Es, Fr & De

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Book Description :

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.

Advances in Fuel Cells

Advances in Fuel Cells Book
Author : Anonim
Publisher : Elsevier
Release : 2007-04-23
ISBN : 9780080471006
Language : En, Es, Fr & De

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Book Description :

Fuel cells have been recognized to be destined to form the cornerstone of energy technologies in the twenty-first century. The rapid advances in fuel cell system development have left current information available only in scattered journals and Internet sites. Advances in Fuel Cells fills the information gap between regularly scheduled journals and university level textbooks by providing in-depth coverage over a broad scope. The present volume provides informative chapters on thermodynamic performance of fuel cells, macroscopic modeling of polymer-electrolyte membranes, the prospects for phosphonated polymers as proton-exchange fuel cell membranes, polymer electrolyte membranes for direct methanol fuel cells, materials for state of the art PEM fuel cells, and their suitability for operation above 100°C, analytical modelling of direct methanol fuel cells, and methanol reforming processes. Includes contributions by leading experts working in both academic and industrial R&D Disseminates the latest research discoveries A valuable resource for senior undergraduates and graduate students, it provides in-depth coverage over a broad scope

PEM Fuel Cell Modeling and Simulation Using Matlab

PEM Fuel Cell Modeling and Simulation Using Matlab Book
Author : Colleen Spiegel
Publisher : Elsevier
Release : 2011-08-29
ISBN : 9780080559018
Language : En, Es, Fr & De

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Book Description :

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

Anion Exchange Membrane Fuel Cells

Anion Exchange Membrane Fuel Cells Book
Author : Liang An,T.S. Zhao
Publisher : Springer
Release : 2018-03-21
ISBN : 331971371X
Language : En, Es, Fr & De

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Book Description :

This book provides a review of the latest advances in anion exchange membrane fuel cells. Starting with an introduction to the field, it then examines the chemistry and catalysis involved in this energy technology. It also includes an introduction to the mathematical modelling of these fuel cells before discussing the system design and performance of real-world systems. Anion exchange membrane fuel cells are an emerging energy technology that has the potential to overcome many of the obstacles of proton exchange membrane fuel cells in terms of the cost, stability, and durability of materials. The book is an essential reference resource for professionals, researchers, and policymakers around the globe working in academia, industry, and government.

Direct Alcohol Fuel Cells for Portable Applications

Direct Alcohol Fuel Cells for Portable Applications Book
Author : Alexandra M. F. R. Pinto,Vania Sofia Oliveira,Daniela Sofia Castro Falcao
Publisher : Academic Press
Release : 2018-09-08
ISBN : 0128118989
Language : En, Es, Fr & De

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Book Description :

Direct Alcohol Fuel Cells for Portable Applications: Fundamentals, Engineering and Advances presents the fundamental concepts, technological advances and challenges in developing, modeling and deploying fuel cells and fuel cell systems for portable devices, including micro and mini fuel cells. The authors review the fundamental science of direct alcohol fuel cells, covering, in detail, thermodynamics, electrode kinetics and electrocatalysis of charge-transfer reactions, mass and heat transfer phenomena, and basic modeling aspects. In addition, the book examines other fuels in DAFCs, such as formic acid, ethylene glycol and glycerol, along with technological aspects and applications, including case studies and cost analysis. Researchers, engineering professionals, fuel cell developers, policymakers and senior graduate students will find this a valuable resource. The book’s comprehensive coverage of fundamentals is especially useful for graduate students, advanced undergraduate students and those new to the field. Provides a comprehensive understanding of the fundamentals of DAFCs and their basic components, design and performance Presents current and complete information on the state-of-the-art of DAFC technology and its most relevant challenges for commercial deployment Includes practical application examples, problems and case studies Covers the use of other fuels, such as formic acid, ethylene glycol and glycerol

Transient Numerical Modeling of Proton exchange membrane Fuel Cells

Transient Numerical Modeling of Proton exchange membrane Fuel Cells Book
Author : Aslan Kosakian
Publisher : Unknown
Release : 2021
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Hydrogen fuel cells convert the chemical energy of hydrogen directly into electricity, with the only byproducts being heat and water. The high cost of hydrogen fuel cells due to the expensive platinum catalyst is one of the limiting factors to their global commercialization. Improving fuel-cell performance while reducing the required amount of the catalyst can be achieved by optimizing the water balance in the cell that aims at striking a balance between electrolyte dry-out, which leads to high ohmic resistance, and liquid-water accumulation, which results in reactant starvation. Interpretation of the experimental measurements necessary for making design decisions is, however, often challenging due to the sub-millimeter scale of the fuel-cell components. Mathematical models have become a valuable instrument for gaining insight into the physical processes taking place in fuel cells. Because of the coupled electrochemical reactions, heat, mass, and charge transport that occur at multiple spatial and temporal scales, fuel-cell modeling is a complex task that is best addressed with the help of numerical simulations. As the common fuel-cell characterization experiments are dynamic in nature, their analysis requires transient models. In this thesis, an open-source transient numerical model of a hydrogen fuel cell is developed. The model is applied to interpret electrochemical impedance spectra of fuel cells, highlight the shortcomings of the analytical methods previously used for this purpose, and to better understand liquid-water dynamics in fuel cells. First, the transient model is used to analyze water-management signatures in fuel-cell impedance spectra under dry conditions. This work shows that the low-frequency inductive behavior observed experimentally in hydrogen fuel cells is influenced by the finite-rate water uptake by the electrolyte and water transport within the electrolyte, which impact the frequency and the size of the inductive loops in the spectra. An ohmic-resistance breakdown performed with the model shows that the high-frequency resistance extracted from the impedance spectra does not contain the protonic resistance of the carbon-supported catalyst layers (CLs) and, therefore, is not equivalent to the total ohmic resistance of the cell. Impedance spectroscopy is commonly used to measure the charge-transport properties of catalyst layers. Some of the analytical impedance expressions in the literature disagree in the equation that relates the conductivity and resistance of the uniform CLs. The numerical model developed in this thesis is used to inspect that disagreement and to examine the impact of the catalyst-layer nonuniformity on its impedance. Practical recommendations for the experimentalists as to which analytical model, and under what conditions, should be used to reliably characterize charge transport in CLs are provided. Finally, a novel transient two-phase fuel-cell model is developed that incorporates a pore-size-distribution sub-model to establish relationships between the microstructure of the porous fuel-cell components, their liquid- and gas-transport properties, and, ultimately, liquid-water flooding. Those relationships allow for the systematic analysis of the impact of the electrode design on the dynamic fuel-cell performance under the operating conditions that help keep the electrolyte hydrated but favor liquid-water production. For instance, the model captures how the liquid-water accumulation and drainage cycles translate into unstable fuel-cell performance. The developed transient fuel-cell model will serve as the foundation for more advanced studies in the future, such as the simulations of membrane and catalyst degradation, carbon corrosion, and cold start-up. The open-source design of the developed software makes it an attractive option for the fuel-cell modeling community.

Solid Oxide Fuel Cells 12 SOFC XII

Solid Oxide Fuel Cells 12  SOFC XII  Book
Author : S. C. Singhal,K. Eguchi
Publisher : The Electrochemical Society
Release : 2011-04-25
ISBN : 156677862X
Language : En, Es, Fr & De

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Book Description :

This issue of ECS Transactions contains papers from the Twelfth International Symposium on Solid Oxide Fuel Cells (SOFC-XII),a continuing biennial series of symposia. The papers deal with materials for cell components and fabrication methods for components and complete cells. Also contained are papers on cell electrochemical performance and its modelling, stacks and systems, and prototype testing of SOFC demonstration units for different applications.

Water and Thermal Management of Proton Exchange Membrane Fuel Cells

Water and Thermal Management of Proton Exchange Membrane Fuel Cells Book
Author : Kui Jiao,Bowen Wang,Qing Du,Yun Wang,Guobin Zhang,Zirong Yang,Hao Deng,Xu Xie
Publisher : Elsevier
Release : 2021-06-05
ISBN : 032391117X
Language : En, Es, Fr & De

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Book Description :

Water and Thermal Management of Proton Exchange Membrane Fuel Cells introduces the main research methods and latest advances in the water and thermal management of PEMFCs. The book introduces the transport mechanism of each component, including modeling methods at different scales, along with practical exercises. Topics include PEMFC fundamentals, working principles and transport mechanisms, characterization tests and diagnostic analysis, the simulation of multiphase transport and electrode kinetics, cell-scale modeling, stack-scale modeling, and system-scale modeling. This volume offers a practical handbook for researchers, students and engineers in the fields of proton exchange membrane fuel cells. Proton exchange membrane fuel cells (PEMFCs) are high-efficiency and low-emission electrochemical energy conversion devices. Inside the PEMFC complex, physical and chemical processes take place, such as electrochemical reaction, multiphase flow and heat transfer. This book explores these topics, and more. Introduces the transport mechanism for each component of PEMFCs Presents modeling methods at different scales, including component, cell, stack and system scales Provides exercises in PEMFC modeling, along with examples of necessary codes Covers the latest advances in PEMFCs in a convenient and structured manner Offers a solution to researchers, students and engineers working on proton exchange membrane fuel cells

Modeling and Control of Fuel Cells

Modeling and Control of Fuel Cells Book
Author : M. H. Nehrir,C. Wang
Publisher : John Wiley & Sons
Release : 2009-03-11
ISBN : 0470233281
Language : En, Es, Fr & De

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Book Description :

"The emerging fuel cell (FC) technology is growing rapidly in its applications from small-scale portable electronics to large-scale power generation. This book gives students, engineers, and scientists a solid understanding of the FC dynamic modeling and controller design to adapt FCs to particular applications in distributed power generation." "The book begins with a fascinating introduction to the subject, including a brief history of the U.S. electric utility formation and restructuring. Next, it provides coverage of power deregulation and distributed generation (DG), DG types, fuel cell DGs, and the hydrogen economy. Modeling and Control of Fuel Cells is an excellent reference book for students and professionals in electrical, chemical, and mechanical engineering and scientists working in the FC area."--BOOK JACKET.

Fuel Cell Fundamentals

Fuel Cell Fundamentals Book
Author : Ryan O'Hayre,Suk-Won Cha,Whitney Colella,Fritz B. Prinz
Publisher : John Wiley & Sons
Release : 2016-05-02
ISBN : 1119113806
Language : En, Es, Fr & De

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Book Description :

A complete, up-to-date, introductory guide to fuel cell technology and application Fuel Cell Fundamentals provides a thorough introduction to the principles and practicalities behind fuel cell technology. Beginning with the underlying concepts, the discussion explores fuel cell thermodynamics, kinetics, transport, and modeling before moving into the application side with guidance on system types and design, performance, costs, and environmental impact. This new third edition has been updated with the latest technological advances and relevant calculations, and enhanced chapters on advanced fuel cell design and electrochemical and hydrogen energy systems. Worked problems, illustrations, and application examples throughout lend a real-world perspective, and end-of chapter review questions and mathematical problems reinforce the material learned. Fuel cells produce more electricity than batteries or combustion engines, with far fewer emissions. This book is the essential introduction to the technology that makes this possible, and the physical processes behind this cost-saving and environmentally friendly energy source. Understand the basic principles of fuel cell physics Compare the applications, performance, and costs of different systems Master the calculations associated with the latest fuel cell technology Learn the considerations involved in system selection and design As more and more nations turn to fuel cell commercialization amidst advancing technology and dropping deployment costs, global stationary fuel cell revenue is expected to grow from $1.4 billion to $40.0 billion by 2022. The sector is forecasted to explode, and there will be a tremendous demand for high-level qualified workers with advanced skills and knowledge of fuel cell technology. Fuel Cell Fundamentals is the essential first step toward joining the new energy revolution.

Polymer Electrolyte Fuel Cells

Polymer Electrolyte Fuel Cells Book
Author : Alejandro A. Franco
Publisher : CRC Press
Release : 2016-04-19
ISBN : 9814364401
Language : En, Es, Fr & De

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Book Description :

This book focuses on the recent research progress on the fundamental understanding of the materials degradation phenomena in PEFC, for automotive applications. On a multidisciplinary basis, through contributions of internationally recognized researchers in the field, this book provides a complete critical review on crucial scientific topics related to PEFC materials degradation, and ensures a strong balance between experimental and theoretical analysis and preparation techniques with several practical applications for both the research and the industrial communities.

IEK 3 Report 2011 Climate Relevant Energy Research

IEK 3 Report 2011   Climate Relevant Energy Research Book
Author : Anonim
Publisher : Forschungszentrum Jülich
Release : 2012
ISBN : 3893368094
Language : En, Es, Fr & De

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Book Description :

Download IEK 3 Report 2011 Climate Relevant Energy Research book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.