In situ water electrolyzer stack for an electrobioreactor

Georgy Givirovskiy (Corresponding Author), Vesa Ruuskanen, Leo S. Ojala, Petteri Kokkonen, Jero Ahola

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)


Hydrogen-oxidizing bacteria provide a sustainable solution for microbial protein production. Renewable electricity can be used for in situ water electrolysis in an electrobioreactor. The use of cultivation medium as the electrolyte enhances the hydrogen dissolution to the medium. This paper proposes a stack structure for in situ water electrolysis to improve the productivity of the electrobioreactor. The hydrogen production rate and the energy efficiency of the prototype stack are analyzed.

Original languageEnglish
Article number1904
Issue number10
Publication statusPublished - 2019
MoE publication typeA1 Journal article-refereed


  • Electrobioreactor
  • Hydrogen-oxidizing bacteria
  • In situ water electrolysis
  • Microbial protein

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