Transcription of Fuel Cell Formulary - PEMFC
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Just anotherFuel Cell Formularyby Dr. Alexander KabzaThis version is from November 9, 2016 and optimized for version see Don t hesitate to send me any comments or failures or ideas byemail!Contents2 Contents1 Thermodynamic of H2/O2electrochemical device .. Nernst equation .. Reactant consumption and feed .. Hydrogen energy and power .. PolCurve (Current voltage dependency) .. Kinetic of the H2/O2electrochemical device .. Butler-Volmer equation .. Example PolCurve .. fuel cell stack power .. fuel cell efficiencies .. Different efficiencies .. Electric efficiency calculation.
the hydrogen oxidation or water formation n= 2. The free enthalpies Gof water formation is either fG H 2O (g ) = 228:57 kJ=mol or fG H 2O l = 237:13 kJ=mol Therefore the corresponding EMFs are: E 0 g = fG H 2O (g) 2F = 1:184 V E l = fG H 2O (l) 2F = 1:229 V (1.1) These voltages are the maximum voltages which can (theoretically) be obtained from ...
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