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A polyacrylonitrile copolymer-silica template for three-dimensional hierarchical porous carbon as a Pt catalyst support for the oxygen reduction reaction

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Abstract

Herein, we report a novel route to construct a hierarchical three-dimensional porous carbon (3DC) through a copolymer-silica assembly. In the synthesis, silica acts as a hard template and leads to the formation of an interconnected 3D macropore, whereas styrene-co-acrylonitrile polymer has been used as both a carbon source and a soft template for micro- and meso-pores. The obtained 3DC materials possess a large surface area (āˆ¼550.5 m2 gāˆ’1), which facilitates high dispersion of Pt nanoparticles on the carbon support. The 3DC-supported Pt electrocatalyst shows excellent performance in the oxygen reduction reaction (ORR). The easy processing ability along with the characteristics of hierarchical porosity offers a new strategy for the preparation of carbon nanomaterials for energy application.

Graphical abstract: A polyacrylonitrile copolymer-silica template for three-dimensional hierarchical porous carbon as a Pt catalyst support for the oxygen reduction reaction

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Publication details

The article was received on 26 Mar 2017, accepted on 30 Jun 2017 and first published on 03 Jul 2017


Article type: Paper
DOI: 10.1039/C7DT01081H
Citation: Dalton Trans., 2017, Advance Article
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    A polyacrylonitrile copolymer-silica template for three-dimensional hierarchical porous carbon as a Pt catalyst support for the oxygen reduction reaction

    M. Liu, J. Li, C. Cai, Z. Zhou, Y. Ling and R. Liu, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT01081H

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