Fe-N-doped porous carbon from petroleum asphalt for highly efficient oxygen reduction reaction

被引：68

作者：

Liu, Jingyan ^{[1
]}

Liu, Yang ^{[1
]}

Li, Peng ^{[1
]}

Wang, Luhai ^{[2
]}

Zhang, Haoran ^{[2
]}

Liu, Hui ^{[1
]}

Liu, Jialiang ^{[1
]}

Wang, Yixian ^{[1
]}

Tian, Wei ^{[1
]}

Wang, Xiaobo ^{[1
]}

Li, Zhongtao ^{[1
]}

Wu, Mingbo ^{[1
]}

机构：

[1] China Univ Petr East China, State Key Lab Heavy Oil Proc, Coll Chem Engn, Qingdao 266580, Peoples R China

[2] PetroChina Co Ltd, Petrochem Res Inst, Beijing 102206, Peoples R China

来源：

CARBON | 2018年 / 126卷

基金：

中国国家自然科学基金;

关键词：

METAL-FREE ELECTROCATALYSTS; ACTIVE-SITES; HYDROGEN EVOLUTION; MESOPOROUS CARBONS; ANODE MATERIAL; NITROGEN; GRAPHENE; ACTIVATION; CATALYSTS; TEMPLATE;

D O I：

10.1016/j.carbon.2017.10.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Fe-N-doped porous carbon derived from petroleum asphalt (NPCA) was prepared via a facile template synthesis method, with urea as nitrogen source while alpha-Fe2O3 nanoparticles as template and Fe source. The as-prepared NPCA calcined at 900 degrees C (NPCA-900) exhibits excellent electrocatalytic performance with high diffusion-limiting current density and stability comparable to those of commercial Pt/C catalysts in alkaline environment. The remarkable ORR performance of NPCA could be ascribed to the abundant porosity, large specific surface area (1060 m(2) g(-1)), as well as the doping of Fe-N (especially pyridinic N). The NPCA derived from cheap petroleum asphalt has good application future in the field of catalysis, while it may pave a new way to realize the clean and high value utilization of heavy oils. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：1 / 8

页数：8

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