Effect of crosslinked poly(vinyl alcohol)/sulfosuccinic acid ionomer loading on PEMFC electrode performance
作者： Ebenezer D. , Prathap Haridoss
DOI: 10.1016/J.IJHYDENE.2017.01.124
关键词:
摘要: Abstract In this study, crosslinked poly(vinyl alcohol)/sulfosuccinic acid (PVA/SSA) ionic polymer and Nafion ® N-115 membranes are used as electrolytes to fabricate different types of membrane electrode assemblies (MEAs) for proton exchange fuel cells (PEMFC). Each MEA is fabricated with various PVA/SSA ionomer loadings (0.04–1.5 mg cm −2 ) in catalyst layer based on volumetric ratio between ionomer. Properties each evaluated using scanning electron microscopy, cyclic voltammetry, hydrogen pumping technique. I–V characteristics, impedance, incubation behaviour cell testing fixture. Incubation effective when below 0.1 mg cm . At loading 0.04 mg cm , PEMFC demonstrates highest power densities than that observed other due higher electrochemical active surface area the electrode. Hydrogen studies reveals a potential anode material electrodes while
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