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- W2062668599 abstract "An extremely durable and highly active Pt catalyst has been successfully prepared by embedding Pt(0) nanoparticles inside the pores of the nitrogen-dotted porous carbon layer surrounding carbon nanotubes (Pt@NC-CNT). The Pt@NC-CNT catalyst has a high BET surface area of 271 m(2) g(-1) (62 m(2) g(-1) for Pt/XC-72) and comparably high electrochemically active surface area of 64.3 m(2) g(-1) (68.2 m(2) g(-1) for Pt/XC-72). The prepared Pt nanoparticles are small in size (2.8 ± 1.3 nm) and have a strong interaction of nitrogen to platinum, as evidenced by the binding energy observed at 399.5 eV. The maximum current densities (I(f)) during methanol oxidation observed for Pt@NC-CNT (13.2 mA cm(-1)) is 1.2 times higher than that of Pt/XC-72 (10.8 mA cm(-1)) catalysts. Remarkably, in the long term durability test, the I(f) after 1000 cycles for Pt@NC-CNT decreased to 10.6 mA cm(-1) compared with Pt/XC-72, which decreased to 2.6 mA cm(-2). This means that the Pt@NC-CNT catalyst has a tremendously stable electrocatalytic activity for MOR because of the unique structure of Pt@NC-CNT formed in this novel synthesis technique." @default.
- W2062668599 created "2016-06-24" @default.
- W2062668599 creator A5046443976 @default.
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- W2062668599 date "2010-12-29" @default.
- W2062668599 modified "2023-10-16" @default.
- W2062668599 title "Stabilization of Embedded Pt Nanoparticles in the Novel Nanostructure Carbon Materials" @default.
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- W2062668599 doi "https://doi.org/10.1021/am1010089" @default.
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