Parametric study on dynamic heat and mass transfer response in polymer electrolyte membrane fuel cell for automotive applications

2020 ◽  
Vol 167 ◽  
pp. 114729 ◽  
Author(s):  
Min Soo Kim ◽  
Dong Kyu Kim
Keyword(s):  
Mass Transfer ◽  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Heat And Mass Transfer ◽  
Parametric Study ◽  
Polymer Electrolyte Membrane ◽  
Automotive Applications ◽  
Electrolyte Membrane

scholarly journals Experimental Analysis of the Performance and Load Cycling of a Polymer Electrolyte Membrane Fuel Cell

Processes ◽  
2020 ◽  
Vol 8 (5) ◽  
pp. 608
Author(s):  
Andrea Ramírez-Cruzado ◽  
Blanca Ramírez-Peña ◽  
Rosario Vélez-García ◽  
Alfredo Iranzo ◽  
José Guerra
Keyword(s):  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Experimental Analysis ◽  
Polymer Electrolyte Membrane ◽  
Cell Voltage ◽  
Cell Performance ◽  
Research Centre ◽  
Automotive Applications ◽  
Electrolyte Membrane ◽  
Load Cycling

In this work, a comprehensive experimental analysis on the performance of a 50 cm2 polymer electrolyte membrane (PEM) fuel cell is presented, including experimental results for a dedicated load cycling test. The harmonized testing protocols defined by the Joint Research Centre (JRC) of the European Commission for automotive applications were followed. With respect to a reference conditions representative of automotive applications, the impact of variations in the cell temperature, reactants pressure, and cathode stoichiometry was analyzed. The results showed that a higher temperature resulted in an increase in cell performance. A higher operating pressure also resulted in higher cell voltages. Higher cathode stoichiometry values negatively affected the cell performance, as relatively dry air was supplied, thus promoting the dry-out of the cell. However, a too low stoichiometry caused a sudden drop in the cell voltage at higher current densities, and also caused significant cell voltage oscillations. No significant cell degradation was observed after the load cycling tests.

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