Electrocatalytic Activity and Stability of 3D Ordered N-doped Hierarchically Porous Carbon Supported Pt Catalyst for Methanol Oxidation and Oxygen Reduction Reactions

被引：10
|
作者：
Li, Yunfeng [1 ,2 ]
Wang, Daorui [1 ,2 ]
Xie, Huanying [3 ]
Zhang, Chengwei [1 ,2 ]
机构：
[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
[2] Hebei Univ Technol, Tianjin Key Lab Mat Laminating Fabricat & Interfa, Tianjin 300130, Peoples R China
[3] Shaoxing Shangyu Dist Water Environm Detect CO LT, Hangzhou 312300, Zhejiang, Peoples R China
来源：
CHEMISTRYSELECT | 2019年 / 4卷 / 43期
基金：
中国国家自然科学基金;
关键词：
Electrocatalysis; Hierarchical porous carbon; Methanol oxidation reaction; Oxygen reduction reaction; Pt nanoparticles; REDUCED-GRAPHENE OXIDE; MESOPOROUS CARBON; HIGH-PERFORMANCE; METAL NANOPARTICLES; DURABILITY; NANOFIBERS; NANOTUBES; ELECTRODE; CATHODE; SULFUR;
D O I：
10.1002/slct.201903610
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein, nitrogen-doped ordered hierarchical porous carbon (N-OHPC) is fabricated via a templating method by applying silica colloidal crystal as template and polypyrrole (PPy) as carbon source. The as-prepared N-OHPC possesses ordered interconnected macropores, rich mesopores and large BET surface area (825.6 m(2) g(-1)). Pt/N-OHPC is then prepared by depositing Pt nanoparticles (19.3 wt%) on N-OHPC as catalyst towards methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR). The Pt/N-OHPC containing small and uniform Pt nanoparticles (similar to 1.7 nm) exhibits good electrocatalytic performance and better durability for MOR and ORR than the commercial Pt/C catalyst.
引用
收藏
页码：12601 / 12607
页数：7
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