Graphene-Based Carbon Nitride Nanosheets as Efficient Metal-Free Electrocatalysts for Oxygen Reduction Reactions

被引:1003
|
作者
Yang, Shubin [1 ]
Feng, Xinliang [1 ]
Wang, Xinchen [2 ]
Muellen, Klaus [1 ]
机构
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
[2] Max Planck Inst Colloids & Interfaces, D-14424 Potsdam, Germany
关键词
carbon nitride; electrocatalysts; fuel cells; graphene; oxygen reduction reaction; PERFORMANCE ANODE MATERIALS; FUEL-CELLS; COMPOSITE CATALYSTS; ACTIVE-SITES; FABRICATION; ARRAYS; WATER;
D O I
10.1002/anie.201100170
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Sandwich-like, graphene-based carbon nitride nanosheets (G-CN), among many other advantages, show an enhanced electrical conductivity. Oxygen atoms can thus access the catalyst surface easily and the rapid diffusion of electrons in the electrode during the oxygen reduction process is facilitated. G-CN nanosheets can hence serve as metal-free electrocatalysts for oxygen reduction reactions (ORR) with excellent performance. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:5339 / 5343
页数:5
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