Transcription of Hydrogen Fuel - Energy
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Hydrogen fuel Cell Engines MODULE 4: fuel CELL ENGINE TECHNOLOGY CONTENTS fuel CELL TECHNOLOGY ADVANTAGES OF fuel DISADVANTAGES OF fuel PRINCIPLE OF GALVANIC fuel TYPES OF fuel MOLTEN CARBONATE fuel SOLID OXIDE fuel ALKALINE fuel PHOSPHORIC ACID fuel PROTON EXCHANGE MEMBRANE (PEM) fuel PEM fuel CELL STACK MEMBRANE ELECTRODE ASSEMBLY (MEA)..4-37 FLOW FIELD PEM fuel CELL POLARIZATION POWER TEMPERATURE AND PRESSURE STOICHIOMETRY HUMIDITY Hydrogen fuel Cell Engines and Related Technologies: Rev 0, December 2001 Hydrogen fuel Cell Engines MODULE 4: fuel CELL ENGINE TECHNOLOGY OBJECTIVES At the completion of this module, the technician will understand the: advantages and disadvantages of fuel cells over conventional means of power pro-duction principles upon which fuel cells work operating principles and chemical reactions of different types of fuel cells comparative advantages and disadvantages of different kinds of fuel cells detailed construction of PEM fuel cells and fuel cell stacks
cells, like batteries, are solid state devices that react chemically and instantly to changes in load. Fuel cell sys-tems, however, are comprised of predominantly mechani-cal devices each of which has its own response time to changes in load demand. Nonetheless, fuel cell systems that operate on pure hy-drogen tend to have excellent overall ...
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