Carbon Nanotubes and Nanohorn Hybrid Composite Buckypaper as Microporous Layer for Proton Exchange Membrane Fuel Cell
作者： D. Ebenezer , K. Neelima , M. Jagannatham , P. Haridoss
关键词:
摘要: In the present work, carbon nanotubes (CNT) and CNT-carbon nanohorns (CNH) (0, 30, 50, 70 100 wt.% CNH) composite Buckypapers (BPs) were fabricated using vacuum filtration technique. Structure property relation of BPs studied scanning electron microscope, four probe technique, BET surface area contact angle measurements. Properties such as electrical conductivity, hydrophobic nature microstructure CNT-30 CNH BP are superior to other BP. Hence, is chosen a microporous layer (MPL) for PEMFCs tested in fuel cell testing fixture. Polarization studies reveal that cells performance with comparable SGL-MPL based cell. Hydrogen pumping polarization confirms act good MPL at anode well cathode 0.4 0.8 V. CNT-CNH potential candidates PEMFC applications.
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