Nitrogen-Doped Ordered Mesoporous Graphitic Arrays with High Electrocatalytic Activity for Oxygen Reduction

被引：1251
|
作者：
Liu, Ruili [1 ]
Wu, Dongqing [1 ]
Feng, Xinliang [1 ]
Muellen, Klaus [1 ]
机构：
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 14期
关键词：
electrocatalysts; fuel cells; metal-free catalysts; nitrogen-doped carbon; oxygen reduction; ELECTROLYTE FUEL-CELLS; O-2; REDUCTION; CARBON NANOSTRUCTURES; CATALYSTS; NANOTUBES; CATHODE; ELECTROREDUCTION; GRAPHENE; SITES;
D O I：
10.1002/anie.200907289
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Graph Presented) These materials are no dopes: Nitrogendoped ordered mesoporous graphitic arrays (NOMGAs) prepared by a metalfree procedure exhibited higher electrocatalytic activity than the commercially available Pt-C catalyst (see plot), excellent long-term stability, and resistance to crossover effects in the oxygen-reduction reaction (ORR). Graphite-like nitrogen atoms appear to be responsible for the excellent electrochemical performance in the ORR. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：2565 / 2569
页数：5
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