Effect of temperature, oxidant and catalyst loading on the performance of direct formic acid fuel cell

Jeong Soo Kim, Jae Keun Yu, Hyo Song Lee, Jin Yong Kim, Young Chun Kim, Jonghee Han, In Hwan Oh, Young Woo Rhee

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

We investigated the effect of temperature, oxidant and catalyst loading on the performance of direct formic acid fuel cell (DFAFC). When oxidant was changed from air to oxygen, the power density was increased to 17.3 mW/ cm 2 at 25°C. The power density of DFAPC operated with oxygen showed a maximum value of 40.04 mW/cm 2 with the temperature rise from room temperature to 70°C. The highest power density of DFAFC using air was observed for Pt-Ru black catalyst with loading of 8 mgPt/cm 2 at room temperature. At 70°C; however, the performance of catalyst with the loading of 4 mgPt/cm 2 was higher than that of 8 mgPt/cm 2 . The DFAFC, operated with oxygen and catalyst of 4 mgPt/cm 2 loading, showed the best performance at all temperature range. The enhancement of cell performance with an increase of catalyst loading is believed to come from an increase of catalyst active sites. However, operated at higher temperature or with oxygen, the cell with higher catalyst loading showed lower performance than expected. It is speculated that the thick catalyst layer inhibits the proton transport.

Original languageEnglish
Pages (from-to)661-665
Number of pages5
JournalKorean Journal of Chemical Engineering
Volume22
Issue number5
DOIs
Publication statusPublished - 2005 Jan 1
Externally publishedYes

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Formic acid fuel cells (FAFC)
Oxidants
Catalysts
Oxygen
Temperature
Air
Protons

Keywords

  • Anode Catalyst
  • DFAFC
  • Formic Acid (HCOOH)
  • Fuel Cell
  • Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Effect of temperature, oxidant and catalyst loading on the performance of direct formic acid fuel cell. / Kim, Jeong Soo; Yu, Jae Keun; Lee, Hyo Song; Kim, Jin Yong; Kim, Young Chun; Han, Jonghee; Oh, In Hwan; Rhee, Young Woo.

In: Korean Journal of Chemical Engineering, Vol. 22, No. 5, 01.01.2005, p. 661-665.

Research output: Contribution to journalArticle

Kim, Jeong Soo ; Yu, Jae Keun ; Lee, Hyo Song ; Kim, Jin Yong ; Kim, Young Chun ; Han, Jonghee ; Oh, In Hwan ; Rhee, Young Woo. / Effect of temperature, oxidant and catalyst loading on the performance of direct formic acid fuel cell. In: Korean Journal of Chemical Engineering. 2005 ; Vol. 22, No. 5. pp. 661-665.
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