Design of an electrolytic cell for a monolithic photovoltaic-electrolytic hydrogen generation system: The electrode aspects

Hyo Sang Jeon, Jaehoon Kim, Honggon Kim, Sang Deuk Lee, Byoung Koun Min

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The combination of a photovoltaic (PV) and an electrolytic cell into one single system, a monolithic PV-electrolytic cell, has been suggested as an efficient solar hydrogen generation system. In this study, we demonstrate an efficient prototype electrolysis system applied to a monolithic PV-electrolytic cell. Specifically, the relatively large unit cell (active area of 36 cm 2) used in the study made it possible to directly measure in volume the amount of hydrogen and oxygen generated. To enhance the activity of the electrodes we introduced channels, Co 3O 4 film, and Pt particles on stainless steel (SUS) substrates. The highest hydrogen production rate was obtained in the system in which Co 3O 4 electrocatalytic film on a SUS foil and Pt particles on a SUS plate with channels were used as an anode and a cathode, respectively.

Original languageEnglish
Pages (from-to)1063-1071
Number of pages9
JournalChemical Engineering Communications
Volume199
Issue number8
DOIs
Publication statusPublished - 2012

Keywords

  • Co O
  • Electrode
  • Electrolysis
  • Hydrogen
  • PV-electrolytic cell
  • Water splitting

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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