Fuel crossover in direct formic acid fuel cells

Kyoung Jin Jeong, Craig M. Miesse, Jong Ho Choi, Jaeyoung Lee, Jonghee Han, Sung Pil Yoon, Suk Woo Nam, Tae Hoon Lim, Tai Gyu Lee

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

This work studies formic acid crossover in a direct formic acid fuel cell under different operating conditions. Comparison with methanol crossover in a direct methanol fuel cell is included. The effects of cell conditioning, temperature, fuel concentration, and Nafion® thickness on the rate of formic acid crossover are examined. The effects of temperature, concentration, and membrane thickness are qualitatively similar to those with methanol, but overall crossover rates are much lower. Under the same operating conditions, it is found that formic acid has a crossover flux rate that is approximately one-sixth that of methanol. Measurement of the CO2 membrane permeation flux is performed to determine its contribution to a bias that it might cause in the quantification of crossover.

Original languageEnglish
Pages (from-to)119-125
Number of pages7
JournalJournal of Power Sources
Volume168
Issue number1 SPEC. ISS.
DOIs
Publication statusPublished - 2007 May 25

Fingerprint

formic acid
Formic acid fuel cells (FAFC)
Formic acid
fuel cells
Methanol
crossovers
methyl alcohol
Fluxes
Membranes
Direct methanol fuel cells (DMFC)
Permeation
membranes
Temperature
conditioning
flux (rate)

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Jeong, K. J., Miesse, C. M., Choi, J. H., Lee, J., Han, J., Yoon, S. P., ... Lee, T. G. (2007). Fuel crossover in direct formic acid fuel cells. Journal of Power Sources, 168(1 SPEC. ISS.), 119-125. https://doi.org/10.1016/j.jpowsour.2007.02.062
Jeong, Kyoung Jin ; Miesse, Craig M. ; Choi, Jong Ho ; Lee, Jaeyoung ; Han, Jonghee ; Yoon, Sung Pil ; Nam, Suk Woo ; Lim, Tae Hoon ; Lee, Tai Gyu. / Fuel crossover in direct formic acid fuel cells. In: Journal of Power Sources. 2007 ; Vol. 168, No. 1 SPEC. ISS. pp. 119-125.
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Jeong, KJ, Miesse, CM, Choi, JH, Lee, J, Han, J, Yoon, SP, Nam, SW, Lim, TH & Lee, TG 2007, 'Fuel crossover in direct formic acid fuel cells', Journal of Power Sources, vol. 168, no. 1 SPEC. ISS., pp. 119-125. https://doi.org/10.1016/j.jpowsour.2007.02.062

Fuel crossover in direct formic acid fuel cells. / Jeong, Kyoung Jin; Miesse, Craig M.; Choi, Jong Ho; Lee, Jaeyoung; Han, Jonghee; Yoon, Sung Pil; Nam, Suk Woo; Lim, Tae Hoon; Lee, Tai Gyu.

In: Journal of Power Sources, Vol. 168, No. 1 SPEC. ISS., 25.05.2007, p. 119-125.

Research output: Contribution to journalArticle

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Jeong KJ, Miesse CM, Choi JH, Lee J, Han J, Yoon SP et al. Fuel crossover in direct formic acid fuel cells. Journal of Power Sources. 2007 May 25;168(1 SPEC. ISS.):119-125. https://doi.org/10.1016/j.jpowsour.2007.02.062