3 years ago

Pt Nanoparticles Densely Coated on SnO2-Covered Multiwalled Carbon Nanotubes with Excellent Electrocatalytic Activity and Stability for Methanol Oxidation

Pt Nanoparticles Densely Coated on SnO2-Covered Multiwalled Carbon Nanotubes with Excellent Electrocatalytic Activity and Stability for Methanol Oxidation
Jianshuo Zhang, Lunhui Guan, Chuxin Wu, Meihua Huang
A new electrocatalyst exhibiting enhanced activity and stability is designed from SnO2-covered multiwalled carbon nanotubes coated with 85 wt % ratio Pt nanoparticles (NPs). This catalyst showed a mass activity 6.2 times as active as that of the commercial Pt/C for methanol oxidation, owing to the unique one-dimensional structure. Moreover, the durability and antipoisoning ability were also improved greatly. The enhanced intrinsic performance was ascribed to the densely connected networks of Pt NPs on the SnO2 NPs.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b07866

DOI: 10.1021/acsami.7b07866

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