In situ resistance measurements of single particle spherical Ni(OH) 2 microelectrodes as a function of their state of charge

Attila Palencsár, Daniel Alberto Scherson

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Methods are herein described for monitoring in situ changes in the electrical resistance of a single, spherical (S-)Ni(OH)2 microparticle electrode as a function of its state of charge. The general approach involves application of 1-2 mV across, and measuring the current through the particle either at a fixed state of charge (static) or during a linear voltammetric scan (dynamic). The data obtained for activated S-Ni(OH)2 microparticles agreed well with values reported in the literature measured by other means, whereas oxidation of the material yielded as expected a sizable increase in conductivity. Other methods reported in the literature for in situ resistivity measurements of electrodes as a function of the applied potential are also discussed.

Original languageEnglish
JournalElectrochemical and Solid-State Letters
Volume8
Issue number6
DOIs
Publication statusPublished - 2005 Jul 4
Externally publishedYes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering
  • Electrochemistry

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