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Medientyp:
Buch
Titel:
Fuel cell engines
Enthält:
1. Introduction to Fuel Cells -- Preliminary remarks -- Fuel cells as electrochemical engines -- Generic fuel cell and stack -- Classification of fuel cells -- Potential fuel cell applications and markets -- History of fuel cell development -- Summary -- 2. Basic Electrochemical Principles -- Electrochemical versus chemical reactions -- Electrochemical reaction -- Scientific units, constants, and basic laws -- Faraday's Laws: consumption and production of species -- Measures of reactant utilization efficiency -- The generic fuel cell -- Summary -- 3. Thermodynamics of Fuel Cell Systems -- Physical nature of thermodynamic variables -- Heat of formation, sensible enthalpy, and latent heat -- Determination of change in enthalpy for nonreacting species and mixtures -- Determination of change in enthalpy for reacting species and mixtures -- Psychrometrics: thermodynamics of moist air mixtures -- Thermodynamic efficiency of a fuel cell -- Maximum expected open-circuit voltage: Nernst voltage -- Summary -- 4. Performance Characterization of Fuel Cell Systems -- Polarization curve -- Region I: activation polarization -- Region II: ohmic polarization -- Region III: concentration polarization -- Region IV: other polarization losses -- Polarization curve model summary -- Summary -- 5. Transport in Fuel Cell Systems -- Ion transport in an electrolyte -- Electron transport -- Gas-phase mass transport -- Single-phase flow in channels -- Multiphase mass transport in channels and porous media -- Heat generation and transport -- Summary -- 6. Polymer Electrolyte Fuel Cells -- Hydrogen PEFC -- Water balance in PEFC -- PEFC flow field configurations and stack design -- Direct alcohol polymer electrolyte cells -- PEFC degradation -- Multidimensional effects -- Summary -- 7. Other Fuel Cells -- Solid oxide fuel cells -- Molten carbonate fuel cells -- Phosphoric acid fuel cells -- Alkaline fuel cells -- Biological and other fuel cells -- Summary -- 8. Hydrogen Storage, Generation, and Delivery -- Modes of storage -- Modes of generation -- Hydrogen delivery -- Overall hydrogen infrastructure development -- Summary -- 9. Experimental Diagnostics and Diagnosis -- Electrochemical methods to understand polarization curve losses -- Physical probes and visualization -- Degradation measurements -- Summary