Occlusion of hydrogen in electrodeposited platinum layers

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Abstract

Occlusion of hydrogen in platinized platinum electrodes has been studied in 1 mol/dm3 H2SO4 electrolyte. It has been found that the amount of hydrogen dissolved in the platinum layer depends on the structure of the Pt deposit, which is determined by the parameters of electrodeposition. Composition of the platinizing solution as well as the potential of Pt deposition are decisive parameters. On the basis of experimental results it is assumed that occlusion of hydrogen takes place in special structural elements of the platinum layer which are formed in the course of Pt deposition. Hydrogen dissolution versus H-deposition potential, H-deposition time and Pt layer thickness relationships are also presented.

Original languageEnglish
Pages (from-to)80-86
Number of pages7
JournalJournal of Solid State Electrochemistry
Volume4
Issue number2
Publication statusPublished - Dec 1 2000

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Keywords

  • Hydrogen
  • Platinized platinum
  • Platinum electrodes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Electrochemistry
  • Electrical and Electronic Engineering

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