Microchannelled 3D architectures composed of multiwall carbon nanotubes (MWCNTs) surface decorated
with Pt nanoparticles and chitosan (CHI) are prepared by an ice segregation induced self-assembly (ISISA)
process. The microchannelled structures are highly porous (specific gravity ∼10-2) and exhibit excellent
electron conductivity (2.5 S·cm-1) thanks to both the high content of MWCNTs (up to 89 wt %) and their
interconnection. The Pt/MWCNT/CHI 3D architectures provide remarkable performance as anodes for a direct
methanol fuel cell (DMFC).
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