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- W2891964260 abstract "Abstract This paper describes the elaboration via an electrochemistry route of a PEM carbon‐free cathode made of a periodic array of vertically aligned platinum copper nanotubes. Nanotubes synthesis is assisted with a porous alumina mold made on a silicon substrate to perform growth of copper nanowires. After optimization of an original confined galvanic displacement with H 2 PtCl 6 salt, PtCu nanotubes are embedded into porous alumina template and directly integrated onto a Nafion ® membrane. Therefore, our process does not need any step of purification or catalyst dispersion. The performances in fuel cell of these new electrodes are compared to conventional structures made of Tanaka Pt/C with the same electrocatalytic surface area. Significant improvement in the specific activity at 0.9 V and reduction in mass transport limitations are observed compared with standard Tanaka Pt/C catalyst in real operating conditions." @default.
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- W2891964260 date "2018-09-20" @default.
- W2891964260 modified "2023-10-16" @default.
- W2891964260 title "Vertically Aligned Platinum Copper Nanotubes as PEM Fuel Cell Cathode: Elaboration and Fuel Cell Test" @default.
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- W2891964260 doi "https://doi.org/10.1002/fuce.201700242" @default.
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