Journal
CATALYSTS
Volume 5, Issue 4, Pages 1673-1691Publisher
MDPI AG
DOI: 10.3390/catal5041673
Keywords
high temperature PEMFC; Reactive Spray Deposition Technology; phosphoric acid; coated film model
Categories
Funding
- National Science Foundation, NSF-GOALI [CCM1-1265893]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1265893] Funding Source: National Science Foundation
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In this study, a semi-empirical model is presented that correlates to previously obtained experimental overpotential data for a high temperature polymer electrolyte membrane fuel cell (HT-PEMFC). The goal is to reinforce the understanding of the performance of the cell from a modeling perspective. The HT-PEMFC membrane electrode assemblies (MEAs) were constructed utilizing an 85 wt. % phosphoric acid doped Advent TPS (R) membranes for the electrolyte and gas diffusion electrodes (GDEs) manufactured by Reactive Spray Deposition Technology (RSDT). MEAs with varying ratios of PTFE binder to carbon support material (I/C ratio) were manufactured and their performance at various operating temperatures was recorded. The semi-empirical model derivation was based on the coated film catalyst layer approach and was calibrated to the experimental data by a least squares method. The behavior of important physical parameters as a function of I/C ratio and operating temperature were explored.
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