Elsevier S & T

PEM Fuel Cell Modeling and Simulation Using Matlab

Spiegel, Colleen

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Table of contents

Table of contentsv
Acknowledgmentsix
CHAPTER 1: An Introduction to Fuel Cells1
1.1 Introduction1
1.2 What Is a Fuel Cell?2
1.3 Why Do We Need Fuel Cells?4
1.4 History of Fuel Cells6
1.5 Mathematical Models in the Literature8
1.6 Creating Mathematical Models12
Chapter Summary13
Problems14
Bibliography14
CHAPTER 2: Fuel Cell Thermodynamics15
2.1 Introduction15
2.2 Enthalpy16
2.3 Specific Heats18
2.4 Entropy27
2.5 Free Energy Change of a Chemical Reaction33
2.6 Fuel Cell Reversible and Net Output Voltage44
2.7 Theoretical Fuel Cell Efficiency44
Chapter Summary47
Problems47
Bibliography48
CHAPTER 3: Fuel Cell Electrochemistry49
3.1 Introduction49
3.2 Basic Electrokinetics Concepts49
3.3 Charge Transfer51
3.4 Activation Polarization for Charge Transfer Reactions53
3.5 Electrode Kinetics54
3.6 Voltage Losses64
3.7 Internal Currents and Crossover Currents73
Chapter Summary75
Problems75
Bibliography76
CHAPTER 4: Fuel Cell Charge Transport77
4.1 Introduction77
4.2 Voltage Loss Due to Charge Transport77
4.3 Electron Conductivity of Metals88
4.4 Ionic Conductivity of Polymer Electrolytes89
Chapter Summary94
Problems96
Bibliography96
CHAPTER 5: Fuel Cell Mass Transport97
5.1 Introduction97
5.2 Fuel Cell Mass Balances98
5.3 Convective Mass Transport from Flow Channels to Electrode108
5.4 Diffusive Mass Transport in Electrodes110
5.5 Convective Mass Transport in Flow Field Plates114
5.6 Mass Transport Equations in the Literature120
Chapter Summary124
Problems124
Bibliography125
CHAPTER 6: Heat Transfer127
6.1 Introduction127
6.2 Basics of Heat Transfer128
6.3 Fuel Cell Energy Balances132
6.4 Fuel Cell Heat Management156
Chapter Summary164
Problems164
Bibliography165
CHAPTER 7: Modeling the Proton Exchange Structure167
7.1 Introduction167
7.2 Physical Description of the Proton Exchange Membrane168
7.3 Types of Models171
7.4 Proton Exchange Membrane Modeling Example177
Chapter Summary192
Problems193
Bibliography193
CHAPTER 8: Modeling the Gas Diffusion Layers197
8.1 Introduction197
8.2 Physical Description of the Gas Diffusion Layer198
8.3 Basics of Modeling Porous Media199
8.4 Modes of Transport in Porous Media202
8.5 Types of Models210
8.6 GDL Modeling Example215
Chapter Summary236
Problems236
Bibliography239
CHAPTER 9: Modeling the Catalyst Layers243
9.1 Introduction243
9.2 Physical Description of the PEM Fuel Cell Catalyst Layers245
9.3 General Equations246
9.4 Types of Models248
9.5 Heat Transport in the Catalyst Layers255
Chapter Summary262
Problems265
Bibliography265
CHAPTER 10: Modeling the Flow Field Plates269
10.1 Introduction269
10.2 Flow Field Plate Materials271
10.3 Flow Field Design272
10.4 Channel Shape, Dimensions, and Spacing275
10.5 Pressure Drop in Flow Channels276
10.6 Heat Transfer from the Plate Channels to the Gas283
Chapter Summary296
Problems296
Bibliography297
CHAPTER 11: Modeling Micro Fuel Cells299
11.1 Introduction299
11.2 Micro PEM Fuel Cells in the Literature301
11.3 Microfluidics307
11.4 Flow Rates and Pressures313
11.5 Bubbles and Particles314
11.6 Capillary Effects315
11.7 Single- and Two-Phase Pressure Drop316
11.8 Velocity in Microchannels318
Chapter Summary330
Problems330
Bibliography332
CHAPTER 12: Modeling Fuel Cell Stacks335
12.1 Introduction335
12.2 Fuel Cell Stack Sizing335
12.3 Number of Cells337
12.4 Stack Configuration338
12.5 Distribution of Fuel and Oxidants to the Cells340
12.6 Stack Clamping346
Chapter Summary359
Problems360
Bibliography360
CHAPTER 13: Fuel Cell System Design365
13.1 Introduction365
13.2 Fuel Subsystem366
Chapter Summary390
Problems390
Bibliography391
CHAPTER 14: Model Validation393
14.1 Introduction393
14.2 Residuals393
14.3 Normal Distribution of Normal Random Errors398
14.4 Missing Terms in the Functional Part of the Model401
14.5 Unnecessary Terms in the Model405
Chapter Summary407
Problems408
Bibliography408
APPENDIX A409
APPENDIX B411
APPENDIX C413
APPENDIX D415
APPENDIX E417
APPENDIX F419
APPENDIX G427
APPENDIX H429
APPENDIX I431
APPENDIX J433
Index435

Book details

Vendor Elsevier S & T
SKU 9780123742599
ISBN-13 9780080559018
Author Spiegel, Colleen
Category Technology & Engineering
Subject Mechanical

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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

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