Modelling electrolyte conductivity in a water electrolyzer cell

Michael Caspersen, Julius Bier Kirkegaard

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Abstract

An analytical model describing the hydrogen gas evolution under natural convection in an electrolyzer cell is developed. Main purpose of the model is to investigate the electrolyte conductivity through the cell under various conditions. Cell conductivity is calculated from a parallel resistor approximation depending on the gas phase distribution. The results are supported by applying a two-phase numerical model which shows good agreement with the analytical approach. The model can prove useful to optimize design factors of an electrolyzer cell for future use in that it provides clear tendencies for electrolyte conductivity from combinations of pressure, current density and electrolyte width among others.
Original languageEnglish
JournalInternational Journal of Hydrogen Energy
Volume37
Issue number9
Pages (from-to)7436-7441
ISSN0360-3199
DOIs
Publication statusPublished - 2012
Event7th Petite Workshop on the Defect Chemical Nature of Energy Materials - Storaas, Kongsberg, Norway
Duration: 14 May 201117 May 2011

Workshop

Workshop7th Petite Workshop on the Defect Chemical Nature of Energy Materials
LocationStoraas
Country/TerritoryNorway
CityKongsberg
Period14/05/201117/05/2011

Keywords

  • Electrolyzer cell
  • Electrolyte conductivity
  • Analytical approximation
  • Stochastic simulation

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