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Development of a Formic Acid Fuel Cell Anode by Multi-layered Bismuth Modification  

Kwon, Youngkook (Electrochemical Reaction and Technology Laboratory (ERTL), Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology (GIST))
Uhm, Sunghyun (Electrochemical Reaction and Technology Laboratory (ERTL), Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology (GIST))
Lee, Jaeyoung (Electrochemical Reaction and Technology Laboratory (ERTL), Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology (GIST))
Publication Information
Korean Chemical Engineering Research / v.46, no.4, 2008 , pp. 697-700 More about this Journal
Abstract
The underpotential deposited Bi on Pt($Bi_{upd}/Pt$) anode for formic acid fuel cells (FAFCs) was developed using multi-layered preparation method for better electrocatalytic utilization of Pt. The electron probe microanalysis (EPMA) result indicated that $Bi_{upd}$ remains through the catalyst layer during stability test. In performance test, the multilayered $Bi_{upd}$ on Pt black showed superior performance by approximately 200 mV at current density of $150mA/cm^2$ compared with PtRu black anode catalyst. Based on preparation condition of $Bi_{upd}/Pt$ black, carbon supported $Bi_{upd}/Pt/C$ electrode was prepared and it showed enhanced performance and stability.
Keywords
Formic Acid Fuel Cell; Bismuth Modification; Multi-layered Anode; Long-Term Stability;
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