Mechanical Analysis of PEM Fuel Cell Stack Design

Mechanical Analysis of PEM Fuel Cell Stack Design
Author: Ahmet Evren Firat
Publisher: Cuvillier Verlag
Total Pages: 131
Release: 2016-06-02
Genre:
ISBN: 3736992572
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Polymer electrolyte membrane (PEM) fuel cell stack was analyzed from a mechanical point of view with the help of measurements and simulations in this study. The deflection of the fuel cell stack was measured with the help of the experimental set-up under operating conditions. The effects of cell operating parameters and cyclic conditions on the mechanical properties of the fuel cell stack were investigated. In order to extend the mechanical analysis of the fuel cells, two computational models were established containing the geometrical features in detail. A large-scale fuel cell stack model was built for the thermomechanical analysis. The second model was built on a cross-section geometry for the electrochemical analysis including fluid dynamics. The internal stress distribution and buckling of fuel cell stack were examined. The influence of the mechanical compression on the cell performance and squeezing of the gas diffusion layers are investigated. A design procedure is developed for fuel cell stack regarding the durability and performance from a mechanical point of view.

Fuel Cells

Fuel Cells
Author: Shripad T. Revankar
Publisher: CRC Press
Total Pages: 714
Release: 2016-04-19
Genre: Science
ISBN: 1482235412
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Fuel Cells: Principles, Design, and Analysis considers the latest advances in fuel cell system development and deployment, and was written with engineering and science students in mind. This book provides readers with the fundamentals of fuel cell operation and design, and incorporates techniques and methods designed to analyze different fuel cell

Proton Exchange Membrane Fuel Cells

Proton Exchange Membrane Fuel Cells
Author: Alhussein Albarbar
Publisher: Springer
Total Pages: 163
Release: 2017-11-17
Genre: Technology & Engineering
ISBN: 3319707272
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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.

Fuel Cell Technology

Fuel Cell Technology
Author: Nigel Sammes
Publisher: Springer Science & Business Media
Total Pages: 306
Release: 2006-05-14
Genre: Technology & Engineering
ISBN: 1846282071
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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 Failure Mode Analysis

PEM Fuel Cell Failure Mode Analysis
Author: Haijiang Wang
Publisher: CRC Press
Total Pages: 366
Release: 2011-08-25
Genre: Science
ISBN: 1439839174
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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 with Bio-Ethanol Processor Systems

PEM Fuel Cells with Bio-Ethanol Processor Systems
Author: Marta S. Basualdo
Publisher: Springer Science & Business Media
Total Pages: 479
Release: 2011-10-30
Genre: Technology & Engineering
ISBN: 1849961840
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An apparently appropriate control scheme for PEM fuel cells may actually lead to an inoperable plant when it is connected to other unit operations in a process with recycle streams and energy integration. PEM Fuel Cells with Bio-Ethanol Processor Systems presents a control system design that provides basic regulation of the hydrogen production process with PEM fuel cells. It then goes on to construct a fault diagnosis system to improve plant safety above this control structure. PEM Fuel Cells with Bio-Ethanol Processor Systems is divided into two parts: the first covers fuel cells and the second discusses plants for hydrogen production from bio-ethanol to feed PEM fuel cells. Both parts give detailed analyses of modeling, simulation, advanced control, and fault diagnosis. They give an extensive, in-depth discussion of the problems that can occur in fuel cell systems and propose a way to control these systems through advanced control algorithms. A significant part of the book is also given over to computer-aided engineering software tools that can be used to evaluate the dynamic performance of the overall plant. PEM Fuel Cells with Bio-Ethanol Processor Systems is intended for use by researchers and advanced students on chemical, electrical-electronic and mechanical engineering courses in which dynamics and control are incorporated with the traditional steady-state coverage of flowsheet synthesis, engineering economics and optimization.

Pem Fuel Cell Engines

Pem Fuel Cell Engines
Author: Maher Al-Baghdadi
Publisher: Createspace Independent Publishing Platform
Total Pages: 478
Release: 2018-01-02
Genre:
ISBN: 9781983474996
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PEM Fuel Cell Engines provides a comprehensive and detailed introduction to the fundamental principles of PEM fuel cell science from single cell to stack, so that a reader whether professional or student can gain a timeless understanding of the fundamentals, principles, design, modelling, and analysis. This book provides design and modelling for PEM fuel cell components such as: modelling proton exchange structure, catalyst layers, gas diffusion, fuel distribution structures, and PEM fuel cell stacks. It also 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 modelling, and mitigation strategies against degradation. The book is a useful reference for fuel cell developers and students, researchers in industry entering the area of PEM fuel cells and lecturers teaching fuel cells. The book takes you deeper into the fundamental principles, discussing: - PEM fuel cell thermodynamics, electrochemistry, and performance. - PEM fuel cell components. - PEM fuel cell failure modes. - PEM fuel cell engines design. - PEM fuel cell models based on semi-empirical simulation. - PEM fuel cell models based on computational fluid dynamics. - PEM fuel cell stack models based on solid mechanics-computational fluid dynamics. - Steam reformer unit models based on computational fluid dynamics. - PEM fuel cell analysis. - PEM fuel cell stack analysis.

Proton Exchange Membrane Fuel Cells Modeling

Proton Exchange Membrane Fuel Cells Modeling
Author: Fengge Gao
Publisher: John Wiley & Sons
Total Pages: 171
Release: 2013-02-07
Genre: Technology & Engineering
ISBN: 1118566378
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The fuel cell is a potential candidate for energy storage and conversion in our future energy mix. It is able to directly convert the chemical energy stored in fuel (e.g. hydrogen) into electricity, without undergoing different intermediary conversion steps. In the field of mobile and stationary applications, it is considered 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 and compactness. This book presents a detailed state of art of PEM fuel cell modeling, with very detailed physical phenomena equations in different physical domains. Examples and a fully coupled multi-physical 1.2 kW PEMFC model are given help the reader better understand how to use the equations.

Fuel Cells for Transportation

Fuel Cells for Transportation
Author: Prodip K. Das
Publisher: Elsevier
Total Pages: 642
Release: 2023-05-19
Genre: Science
ISBN: 0323994865
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Fuel Cells for Transportation: Fundamental Principles and Applications is the first comprehensive reference on the application of fuel cells for light- and heavy-duty transportation. Addressing the subject from both a materials and engineering perspective, the book examines integration, modeling, and optimization of fuel cells from fundamentals to the latest advances. Chapters address every aspect of fuel cell systems for transport applications, including performance optimization, stack characterization, low-cost materials and catalysts, design of bipolar plates and flow fields, water and thermal management, durability under automotive driving cycles, cold start, state of the art characterization, optimization of various components, and more. Each chapter reviews the fundamental principles of the topic before going on to examine the latest developments alongside current applications and real-world case studies. This is an essential reference for graduate students and researchers working on fuel cells for transport applications, as well as professional engineers involved in the application of fuel cells and clean energy and working in any sector of the transportation industry. Presents a comprehensive examination of the technologies, integration and application of fuel cells for transportation, from the fundamentals to the latest advances Examines the latest challenges, market outlooks and targets for fuel cells in light-duty and heavy-duty vehicles Offers solutions to fuel-cell system integration problems, optimization of operating conditions, and improvements for fuel-cell materials based on the latest developments Addresses key barriers to the commercial success of fuel cells for transportation, including durability, performance, materials and how to balance these factors

PEM Fuel Cell Modeling and Simulation Using Matlab

PEM Fuel Cell Modeling and Simulation Using Matlab
Author: Colleen Spiegel
Publisher: Elsevier
Total Pages: 456
Release: 2011-08-29
Genre: Technology & Engineering
ISBN: 9780080559018
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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