Rеvuе des Energies Renouvelables
Volume 10, Numéro 3, Pages 435-444
2007-09-30
Thermodynamics Aspect Of High Pressure Hydrogen Production By Water Electrolysis
Authors : Laoun B. .
Abstract
Hydrogen can be produced from water electrolysis which can operate at atmospheric pressure or high pressure. Today’s industry including vehicle one, devotes efforts to produce high pressure hydrogen by using pressurized electrolyser. The purpose of this work is to estimate the ideal electrical energy needed for high pressure hydrogen under high pressure water electrolysis conditions. Calculations are based on the estimation of the enthalpy and free Gibbs energy of water electrolysis at various pressures and temperatures, referring to both the work of LeRoy & Onda.
Keywords
Hydrogen production, High pressure hydrogen, Water electrolysis, Electrolyser, Enthalpy voltage, Electrolysis voltage, Power.
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