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

页码：12601 / 12607

页数：7

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