Fuel cells: dynamic modeling and control with power by Bei Gou, Woonki Na, Bill Diong

By Bei Gou, Woonki Na, Bill Diong

This publication describes complicated learn effects on Modeling and keep watch over designs for gasoline Cells and their hybrid power platforms. full of simulation examples and try effects, it offers unique discussions on gas telephone Modeling, research, and Nonlinear regulate. starting with an advent to gasoline Cells and gas mobilephone strength platforms, in addition to the basics of gasoline mobilephone structures and their elements, it then provides the Linear and Nonlinear modeling of gas mobilephone Dynamics. common ways of Linear and Nonlinear Modeling and regulate layout tools for gas Cells also are mentioned. The authors discover the Simulink implementation of gas Cells, together with the modeling of PEM gasoline Cells and regulate Designs. They hide the functions of gas cells in automobiles, application energy platforms, and stand-alone structures, which combine gas Cells, Wind strength, and solar energy. Mathematical preliminaries on Linear and Nonlinear keep an eye on are supplied in an appendix.

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Therefore, the fuel cell’s dynamic response is of significant importance, particularly in mobile applications. 4 Organization of This Book Chapter 2 describes PEMFCs and the fuel cell power system BOP components in more detail. Chapter 3 describes the modeling of a PEMFC’s dynamic behavior as an initial step to prescribe controller designs to improve its transient behavior. It is followed by Chapter 4, which presents the understanding of the design of feedback controllers. Chapter 5 features the Simulink implementations of fuel cell models and controllers.

These include proton exchange/polymer electrolyte membrane fuel cells (PEMFCs), direct methanol fuel cells (DMFCs), alkaline fuel cells (AFCs), phosphoric acid fuel cells (PAFCs), molten carbonate fuel cells (MCFCs), solid oxide fuel cells (SOFCs), zinc air fuel cells (ZAFCs), and photonic ceramic fuel cells (PCFCs), which vary widely in their required operating temperature. But this book will only focus on PEMFCs, which are low-operating-temperature fuel cells intended for use in mass-production fuel cell vehicles that are currently under development by the major auto manufacturers, as well as in offices and residences.

5 Different geometries of the flow channels: (a) serpentine; (b) parallel; (c) parallel serpentine; and (d) discontinuous. 1 Water Management Without adequate water management, an imbalance will occur between water by-product and water removal from the fuel cell. It is critical to ensure that all parts of the cell are sufficiently hydrated, since adherence of the membrane to the electrode and also membrane lifetime will be adversely affected if dehydration occurs. Furthermore, high water content in the electrolyte membrane ensures high ionic conductivity, which improves the overall operating efficiency of the fuel cell.

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