Determination of an Optimal Parameter Combination for Single PEMFC Using the Taguchi Method and Orthogonal Array

Kwang-Hu Jung and Jung-Hyung Lee ()
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Kwang-Hu Jung: Division of Cadet Training, Mokpo National Maritime University, Mokpo 58628, Republic of Korea
Jung-Hyung Lee: Division of Marine Engineering, Mokpo National Maritime University, Mokpo 58628, Republic of Korea

Energies, 2024, vol. 17, issue 7, 1-11

Abstract: In this study, the optimization of the operational parameters for a single proton exchange membrane fuel cell (PEMFC) was carried out using the Taguchi method and orthogonal array. The operating parameters were H 2 stoichiometry, air stoichiometry, cell temperature, and back pressure of the anode∙cathode, each with three levels. The performance of the PEMFC, operated according to the L 9 orthogonal arrangement, was evaluated through I–V curves at a step-up current loading ranging from 0.1 to 0.7 A/cm 2 . The results indicated that the anode∙cathode back pressure had the greatest sensitivity to the output voltage compared to the other operating parameters. Increasing the back pressure resulted in higher current output densities at higher values than those applied in the orthogonal arrangement. As the back pressure increased, the output voltage tended to increase at each current density. However, for operating conditions above 150 kPa, the improvement in cell performance was either not significant or tended to decrease. Therefore, it can be concluded that the Taguchi method and orthogonal array are effective tools for selecting the optimal operating conditions for PEMFC.

Keywords: PEMFC; Taguchi method; orthogonal array; optimal parameter; stoichiometry; back pressure; cell performance; output current density/voltage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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