کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1283626 | 1497645 | 2008 | 14 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Dynamic modeling and water management in proton exchange membrane fuel cell Dynamic modeling and water management in proton exchange membrane fuel cell](/preview/png/1283626.png)
In the present work, we develop a dynamical model for single cell of the Proton Exchange Membrane Fuel Cell (PEMFC). The model studies the phenomena of charge and mass transport through the cell elements. It integrates also the electrical aspect related to reaction kinetics by proposing an electrical equivalent circuit of the cell. The influence of gas consumption and humidification rates on water diffusion and membrane humidity are considered. Simulation results are used to verify the model and to build an appropriate control of the membrane humidity. The control which is done by regulating the water mole fractions in gases aims to minimize energy losses. Simulation results show that the control proposed ensures an improvement in the dynamic electrical efficiency.
Journal: International Journal of Hydrogen Energy - Volume 33, Issue 21, November 2008, Pages 6239–6252