Effect of blending carbon nanoparticles and nanotubes on the formation of porous structure and the performance of proton exchange membrane fuel cell catalyst layers
作者： Takahiro Suzuki , Ryohei Hashizume , Masanori Hayase
DOI: 10.1016/J.JPOWSOUR.2015.03.119
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摘要: Abstract Different kinds of sub-micron structured carbon, namely carbon black and multi-walled nanotubes (MWCNTs), were blended in catalyst ink order to fabricate layers having differing porous structures. Carbon is used as support the conventional layers; pore structure depends strongly on its aggregate structure. MWCNTs have a completely different from at scale. Two MWCNT, diameters, blending materials with platinum-supported their effects cell performance investigated. The layer containing thick MWCNT had lower porosity, fewer micro-cracks larger pores than black. diameter influenced distribution sizes layers. smaller displayed shift peak size distribution, toward size. These characteristic structures affected resulting caused large voltage drop high current densities polarization curve. This because porosity also
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