Evaluation of the effect of reactant gases mass flow rates on power density in a polymer electrolyte membrane fuel cell

2017 6th International Conference on Power Science and Engineering

Kahveci, E.E.^1 ; Taymaz, I.^1

Department of Mechanical Engineering, Sakarya University, Serdivan, Sakarya

54050, Turkey^1

关键词: Cell temperature;    Combined effect;    Humidification temperature;    Hydrogen flow rate;    Independent variables;    Operational parameters;    Oxygen flow rates;    Polymer electrolyte membranes;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/136/1/012004/pdf
DOI  :  10.1088/1755-1315/136/1/012004

来源: IOP

【 摘 要 】

In this study it was experimentally investigated the effect of mass flow rates of reactant gases which is one of the most important operational parameters of polymer electrolyte membrane (PEM) fuel cell on power density. The channel type is serpentine and single PEM fuel cell has an active area of 25 cm2. Design-Expert 8.0 (trial version) was used with four variables to investigate the effect of variables on the response using. Cell temperature, hydrogen mass flow rate, oxygen mass flow rate and humidification temperature were selected as independent variables. In addition, the power density was used as response to determine the combined effects of these variables. It was kept constant cell and humidification temperatures while changing mass flow rates of reactant gases. From the results an increase occurred in power density with increasing the hydrogen flow rates. But oxygen flow rate does not have a significant effect on power density within determined mass flow rates.