Nitrogen-doped Carbon with Hierarchical Porous Structure for Electrocatalysis of Oxygen Reduction Reaction

被引：11

作者：

Ma, Xianguo ^{[1
]}

Feng, Shizhong ^{[2
]}

Ji, Shan ^{[1
]}

机构：

[1] Guizhou Inst Technol, Sch Chem Engn, Guiyang 550003, Guizhou, Peoples R China

[2] Gansu Petrochina Kunlun Gas Co Ltd, Lanzhou 730078, Gansu, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 08期

基金：

中国国家自然科学基金;

关键词：

N-doped carbon; Oxygen Reduction Reaction; Electrocatalysis; Biomas; NONPRECIOUS CATALYST; MESOPOROUS CARBON; ALKALINE-SOLUTION; FUEL-CELLS; PERFORMANCE; ELECTRODES; NANOTUBES; SURFACE; SITES;

D O I：

10.20964/2017.08.70

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

With fuel cells gaining recognition as promising devices for directly converting the chemical energy to electricity, to develop low-cost catalysts for electrocatalysis of oxygen reduction reaction (ORR) has become an active topic in this field. Hierarchical porous carbon materials (HPC) doped with heteroatoms, for instance N, S and Fe, are promising materials for using as catalysts for the ORR due to their low cost, high stability and high efficiency. In this work, we report a low-cost, facile and scalable method to produce nitrogen-doped hierarchical porous carbon material (N-HPC) by pyrolysis of corncobs. The activated N-HPC catalysts exhibit high activity for ORR compared to that of the state-of-the-art commercial Pt/C catalysts.

引用

页码：7869 / 7876

页数：8

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