Prospect of solid oxide steam electrolysis for hydrogen production

Meng Ni, Michael K H Leung, Dennis Y C Leung

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


Hydrogen fuel is an ideal energy carrier to resolve energy crisis and environmental pollution problems. How to produce hydrogen fuel cleanly and economically is of paramount importance toward hydrogen economy. Water electrolysis is a promising technology for large-scale hydrogen production from renewable sources. Compared with alkaline water electrolysis and proton exchange membrane water electrolysis, solid oxide steam electrolysis (SOSE) is advantageous to produce hydrogen efficiently and economically, due to higher electrical efficiency associated with high operating temperature. The fundamentals of SOSE, together with a comparison of SOSE with other high temperature hydrogen production technologies such as direct thermal water splitting, is presented. The above comparison and analysis show the promise of SOSE toward sustainable development.
Original languageEnglish
Title of host publication16th World Hydrogen Energy Conference 2006, WHEC 2006
Number of pages6
Publication statusPublished - 1 Dec 2006
Externally publishedYes
Event16th World Hydrogen Energy Conference 2006, WHEC 2006 - Lyon, France
Duration: 13 Jun 200616 Jun 2006


Conference16th World Hydrogen Energy Conference 2006, WHEC 2006


  • Energy and fuels
  • Hydrogen production
  • Proton exchange membrane
  • Solid oxide steam electrolyzer
  • Thermochemical cycles

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology


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