Performance Analysis of Doublecell PEMFC with Series and Parallel Oxygen Flow Variations on Power Density
Analisa Performa Doublecell PEMFC dengan Variasi Aliran Oksigen Seri dan Paralel terhadap Power Density
DOI:
https://doi.org/10.21070/ups.9949Keywords:
PEMFC, Doublecell, Parallel, SeriesAbstract
PEMFC (Proton Exchange Membrane Fuel Cell) is an electrochemical energy conversion technology that converts hydrogen-oxygen reactions into electrical power through a proton-conducting polymer membrane. This study analyzed the performance of a double-cell PEMFC with varying oxygen flow rates in series and parallel configurations against power density at a flow rate of 0.4 mL/min. The results showed that the series configuration produced higher peak power (5,069 W/dm²) than the parallel configuration (4,877 W/dm²), although the difference was not significant. The parallel configuration excelled at low current densities with higher initial voltages, while the series configuration was more stable at medium-high current densities. Therefore, the series configuration was more effective at low oxygen flows because the gradual oxygen distribution reduced concentration polarization, while the parallel configuration was suitable for low-load operation with optimal initial response.
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