Visualization of methanol concentration using the electrochromism of nickel oxide

  • Hee Sang Shim*
  • , Hyo Jin Ahn
  • , Tae Yeon Seong
  • , Kyung Won Park
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We have investigated the electrochromic properties of nickel oxide as a function of methanol concentration. It is shown that the transmittance of the aged nickel oxide monotonically increases with increasing methanol concentration over a wide range of 0.1-5 molar in a liquid solution for a direct methanol fuel cell. It is demonstrated that the methanol concentration can be visualized by means of the electrochromic properties of the aged nickel oxide.

Original languageEnglish
Pages (from-to)A277-A278
JournalElectrochemical and Solid-State Letters
Volume8
Issue number6
DOIs
Publication statusPublished - 2005
Externally publishedYes

ASJC Scopus subject areas

  • General Chemical Engineering
  • General Materials Science
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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