Visualization of methanol concentration using the electrochromism of nickel oxide

Hee Sang Shim, Hyo J. Ahn, Tae Yeon Seong, Kyung W. Park

Research output: Contribution to journalArticle

8 Citations (Scopus)

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

ASJC Scopus subject areas

  • Electrochemistry
  • Materials Science(all)

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