One-step nanocasting synthesis of sulfur and nitrogen co-doped ordered mesoporous carbons as efficient electrocatalysts for oxygen reduction

被引：13

作者：

Song, Xiaozeng ^{[1
]}

Ren, Hongxin ^{[1
]}

Ding, Junjie ^{[1
]}

Wang, Chenfei ^{[1
]}

Yin, Xin ^{[1
]}

Wang, Haiwen ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 159卷

基金：

中国国家自然科学基金;

关键词：

Carbon materials; Porous materials; Oxygen reduction reaction; Fuel cell; METAL-FREE ELECTROCATALYSTS; CATALYSTS; GRAPHENE; BORON;

D O I：

10.1016/j.matlet.2015.06.112

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ordered mesoporous carbon co-doped with sulfur and nitrogen (SN-OMC) is synthesized via one-step nanocasting route. Diphenylthiocarbazone is used as a single precursor for carbon, sulfur and nitrogen in the preparation of SN-OMCs. These catalysts are subjected to the physicochemical characterization and electrochemical evaluation toward the oxygen reduction reaction (ORR) in an alkaline electrolyte. SN-OMC obtained at 900 degrees C exhibits a high electrocatalytic activity for ORR and the impressive durability and methanol-tolerance. The synergistic effect of nitrogen and sulfur in mesoporous carbon walls may contribute to high oxygen electroreduction performance of SN-OMC. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：280 / 283

页数：4

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