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
(especially in hot climates) so that cooling systems must be larger, and the electrochemical reaction proceeds more slowly than at high temperatures. Reformers used in con-junction with fuel cells operate at high temperatures and therefore may require prolonged warmup periods. • Fuel cell systems can be used in co-generation applica-tions.
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