Development and characterization of tubular direct methanol fuel cells for use in in situ NMR analysis

Myung Sup Um, Oc Hee Han, Juhee Lee, Kwang Ho Song, Hwa Young Lee, Heung Yong Ha

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The present study developed a tubular direct methanol fuel cell (tubular DMFC) for use in in situ Nuclear Magnetic Resonance (NMR) that could monitor various electrochemical reactions in real time. The tubular DMFC was fabricated in such a way as to prevent corrosion of cell components and to facilitate a supply of the reactants and removal of the products. The cell showed improved performance and durability sufficient for its use in an in situ NMR test, but problems with rapid performance decay persisted. Detailed reasons for the performance degradation were investigated through rigorous analytical work using various techniques. The tubular DMFC was also installed in an NMR probe to test signal sensitivity and resolution of 2D NMR spectra for deuterated methanol (CD 3OH) and deuterated water (D 2O). The spectral resolutions of both species were high, and their signal intensities were strong enough to realize an acceptable spectra.

Original languageEnglish
Pages (from-to)9836-9844
Number of pages9
JournalInternational Journal of Hydrogen Energy
Volume37
Issue number12
DOIs
Publication statusPublished - 2012 Jun

Keywords

  • Direct methanol fuel cell
  • Durability
  • In situ analysis
  • Methanol distribution
  • NMR
  • Tubular cell

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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