Paper Information

Journal:   JOURNAL OF SOLID AND FLUID MECHANICS   2016 , Volume 6 , Number 4 #L0040; Page(s) 285 To 300.
 
Paper:  EXPERIMENTAL AND NUMERICAL ANALYSIS OF PEM FUEL CELL PERFORMANCE WITH A NEW HELICALLY SYMMETRICAL FLOW CHANNEL
 
Author(s):  RAJABIAN H., AMIRI H.*, RAHIMI M., MARASHI S.M.B., ARAB SOLGHAR A.
 
* DEPARTMENT OF ENERGY, GRADUATE UNIVERSITY OF ADVANCE TECHNOLOGY, KERMAN, IRAN
 
Abstract: 

In this paper, a Proton Exchange Membrane (PEM) fuel cell with new symmetrical flow channel pattern was designed and fabricated in-house. The fabricated PEM fuel cell has nominal power of 10 W, with an active area of 25 cm2 and Nafion 117 membrane. Using a fuel cell test station, the effects of temperature and relative humidity on the performance of fabricated PEM fuel cell (i.e. voltage - current density curve) was examined. Laboratory results showed that fabricated PEM fuel cell is able to produce maximum power density of about 0.45 [Wcm-2] or 11W power. A comprehensive three-dimensional, single phase and non-isothermal model is developed for the fabricated PEMFC. The presented model is a nine-layer model that consists of current collectors, flow channels, gas diffusion layers, catalysts layers at the anode and the cathode as well as the membrane. A commercial CFD software (Fluent) was used to solve the governing equation. Comparison of numerical and experimental results shows that there is a good agreement between them. The results indicate that the new flow pattern can produce uniform temperature, current density and concentration distributions over the PEM fuel cell active area.

 
Keyword(s): PEM FUEL CELL, NEW FLOW PATTERN, NUMERICAL SIMULATION, DESIGN AND FABRICATION
 
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