Effect of polyvinylidene difluoride in the catalyst layer on high-temperature PEMFCs
作者： Hsiu-Li Lin , Tung-Ju Wu , Yu-Tsun Lin , Hsiao-Chien Wu
DOI: 10.1016/J.IJHYDENE.2015.05.034
关键词:
摘要: Abstract In this study, the performance of membrane electrode assemblies (MEAs) with different loadings polyvinylidene difluoride (PVDF) in catalyst layer (CL) was investigated for high-temperature proton-exchange fuel cells (HT-PEMFCs). The properties prepared MEAs were evaluated by polarization curve analysis, electrochemical impedance spectroscopy, cyclic voltammetry, and short-term durability tests. results show that PVDF loading cathode significantly affects cell performance. As compared MEA using conventional polybenzimidazole (PBI) binders, appropriate exhibited good during operation. containing PVDF:PBI:Pt/C a weight ratio 1:5:95 satisfactory HT-PEMFCs.
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