Polarization losses in Gratzel solar cells with a porous anode

V. G. Gasenko, V. E. Nakoryakov

Research output: Contribution to journalArticle

Abstract

Polarization losses under the redox reaction on the anode and cathode in the iodine electrolyte of a Gratzel solar cell are considered. It is shown that the value of the maximum cell current is bounded by the diffusion transfer of ions on the cathode or anode, depending on the electrolyte composition. It is demonstrated that the value of polarization losses for a nonporous anode is determined by a linear Tafel law, whereas for a porous anode it is determined by the obtained nonlinear Tafel law that yields half as much polarization loss, according to Zeldovich theory. Operating conditions of Gratzel cell with a porous anode of finite thickness, under which the nonlinear Tafel law is realized for polarization losses, are considered.

Original languageEnglish
Pages (from-to)129-138
Number of pages10
JournalJournal of Engineering Thermophysics
Volume20
Issue number2
DOIs
Publication statusPublished - Jun 2011
Externally publishedYes

Fingerprint

Tafel law
Solar Cells
Solar cells
Anodes
anodes
Polarization
solar cells
Electrolyte
polarization
Cathodes
cathodes
Electrolytes
electrolytes
Cell
Redox reactions
cells
Iodine
iodine
Ions
Chemical analysis

ASJC Scopus subject areas

  • Environmental Engineering
  • Modelling and Simulation
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Polarization losses in Gratzel solar cells with a porous anode. / Gasenko, V. G.; Nakoryakov, V. E.

In: Journal of Engineering Thermophysics, Vol. 20, No. 2, 06.2011, p. 129-138.

Research output: Contribution to journalArticle

Gasenko, V. G. ; Nakoryakov, V. E. / Polarization losses in Gratzel solar cells with a porous anode. In: Journal of Engineering Thermophysics. 2011 ; Vol. 20, No. 2. pp. 129-138.
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