Advances in Fuel Cells
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Table of contents
- Advances in Fuel Cellsiii
- Copyright Pageiv
- Contentsv
- Contributorsix
- Prefacexi
- Chapter 1. Thermodynamic Performance of Fuel Cells and Comparison with Heat Engines1
- 1.1. Introduction2
- 1.2. Reversible Cell Potential4
- 1.3. The Effect of Operating Conditions on Reversible Cell Potential12
- 1.4. Energy Conversion Efficiency21
- 1.5. Practical Fuel Cell Efficiency and Energy Loss Mechanisms30
- 1.6. Concluding Remarks44
- 1.7. Nomenclature44
- References46
- Chapter 2. Macroscopic Modeling of Polymer-Electrolyte Membranes47
- 2.1. Introduction48
- 2.2. Background49
- 2.3. Governing Equations and Treatments57
- 2.4. Membrane-Property Models77
- 2.5. Special Topics93
- 2.6. Summary106
- 2.7. Notation107
- Acknowledgments111
- References111
- Chapter 3. On the Prospects for Phosphonated Polymers as Proton-Exchange Fuel Cell Membranes119
- 3.1. Introduction120
- 3.2. General Characteristics of Phosphonic Acids122
- 3.3. Synthetic Approaches to Polymers Containing Phosphonic Acid Groups129
- 3.4. Properties of Membranes Based on Phosphonated Polymers156
- 3.5. Phosphonated Polymers for Proton Conduction Under Low-Humidity Conditions171
- 3.6. Summary and Outlook177
- Acknowledgments179
- References179
- Chapter 4. Polymer Electrolyte Membranes for Direct Methanol Fuel Cells187
- 4.1. Introduction187
- 4.2. Background189
- 4.3. Characterization of PEMs191
- 4.4. Polymer Electrolytes for DMFC204
- 4.5. Evaluation Criteria for DMFC Electrolytes211
- 4.6. Future Research Direction225
- References226
- Chapter 5. Materials for State-of-the-Art PEM Fuel Cells, and Their Suitability for Operation Above235
- 5.1. General Introduction236
- 5.2. The Impact of Materials Properties On Fuel Cell System Design238
- 5.3. Membranes248
- 5.4. Electrodes275
- 5.5. Bipolar Plates311
- 5.6. General Conclusions325
- References326
- Chapter 6. Analytical Models of a Direct Methanol Fuel Cell337
- 6.1. Introduction339
- 6.2. 1D Model of a DMFC344
- 6.3. 1D+1D Model: The Nature of Mixed Potential353
- 6.4. DMFC with Gaseous Bubbles in the Anode Channel377
- 6.5. DMFC with Bubbles: Asymptotic Solutions385
- 6.6. Kinetics of Methonol Oxidation and Cell Performance399
- 6.7. List of Symbols412
- Appendix A: Equation for Local Current Density414
- Appendix B415
- Acknowledgments415
- References416
- Chapter 7. Methanol Reforming Processes419
- 7.1. Introduction420
- 7.2. Steam Reforming of Methanol436
- 7.3. Fuel Cell Operation with Methanol Reforming Process465
- 7.4. Concluding Remarks468
- Acknowledgment469
- References469
- Index473
- A473
- B473
- C474
- D475
- E475
- F476
- G476
- H477
- I477
- J477
- K477
- L477
- M477
- N479
- O479
- P479
- Q482
- R482
- S482
- T483
- U483
- V483
- W483
- X483
- Y483
- Z483
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
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