화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.25, No.5, 1026-1030, September, 2008
DOI10.1007/s11814-008-0167-2  Export Citation
Formic acid oxidation by carbon-supported palladium catalysts in direct formic acid fuel cell
Jae Ho Choi, Soon Young Noh, Sam Duck Han, Soo Kyung Yoon1, Chang-Soo Lee, Taek-Sung Hwang, and Young Woo Rhee†
  • Department of Chemical Engineering, Chungnam National University, Daejeon 305-764, Korea
  • 1Ajou University, Suwon 443-749, Korea
E-mail:
The oxidation of formic acid by the palladium catalysts supported on carbon with high surface area was investigated. Pd/C catalysts were prepared by using the impregnation method. 30 wt% and 50 wt% Pd/C catalysts had a high BET surface area of 123.7 m2/g and 89.9 m2/g, respectively. The fuel cell performance was investigated by changing various parameters such as anode catalyst types, oxidation gases and operating temperature. Pd/C anode catalysts had a significant effect on the direct formic acid fuel cell (DFAFC) performance. DFAFC with Pd/C anode catalyst showed high open circuit potential (OCP) of about 0.84 V and high power density at room temperature. The fuel cell with 50 wt% Pd/C anode catalyst using air as an oxidant showed the maximum power density of 99 mW/cm2. On the other hand, a fuel cell with 50 wt% Pd/C anode catalyst using oxygen as an oxidant showed a maximum power density of 163 mW/cm2 and the maximum current density of 590 mA/cm2 at 60 ℃.
Keywords:Pd/C;Formic Acid;DFAFC;Anode Catalyst
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