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http://dx.doi.org/10.3795/KSME-B.2006.30.12.1228

Numerical Study for the Effect of Inlet Humidity Condition at PEMFC Channel  

Lee Dong-Ryul (한구과학기술원 기계공학과)
Ahmed Dewan Hasan (한국과학기술원 기계공학과)
Bae Joong-Myeon (한국과학기술원 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.30, no.12, 2006 , pp. 1228-1235 More about this Journal
Abstract
PEMFC(Proton Exchange Membrane Fuel Cell) is a low temperature fuel cell and has many probabilities of commercial use. However, water management is one of the serious technical problems for commercialization. It is necessary to understand the relationship between operation conditions and water behavior in PEMFC channel because it affects fuel cell performance. In this paper, the distribution of current density according to inlet humidity condition is mainly observed and discussed. If the anode inlet is well humidified, electro-osmotic drag is very active. For this reason, current density is very high at inlet side and the distribution is non-uniform.
Keywords
PEMFC; 3D Simulation; Inlet Humidity Condition; Straight Channel;
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