The Warburg Impedance in the Presence of Convective Flow

Daniel Alberto Scherson, John Newman

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


The Warburg impedance of a rotating disk electrode is analyzed by means of an inverse Laplace transformation of the governing differential equation. This new formulation reduces the problem to a partial differential equation for which approximate solutions are known. The results obtained agree with exact numerical values for a wide range of low and high frequencies.

Original languageEnglish
Pages (from-to)110-113
Number of pages4
JournalJournal of the Electrochemical Society
Issue number1
Publication statusPublished - 1980 Jan 1
Externally publishedYes


  • alternating current
  • convective diffusion
  • rotating disk

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Electrochemistry


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