Highly stable electrocatalysts supported on nitrogen-self-doped three-dimensional graphene-like networks with hierarchical porous structures

被引：30
作者：
Cheng, Juhong [1 ]
Li, Yunyong [1 ]
Huang, Xiangdong [2 ]
Wang, Qingquan [2 ]
Mei, Ao [2 ]
Shen, Pei Kang [1 ]
机构：
[1] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China
[2] Guangzhou Automobile Grp Co Ltd, Automot Engn Inst, Guangzhou 510640, Guangdong, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 04期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
OXYGEN REDUCTION REACTION; GRAPHITIC MESOPOROUS CARBON; CELL CATALYST SUPPORT; METHANOL FUEL-CELLS; SURFACE-AREA; NANOPARTICLES; NANOTUBES; OXIDATION; CO; ENHANCEMENT;
D O I：
10.1039/c4ta05552g
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：
The nitrogen-self-doped three-dimensional graphene-like networks (N-3D GNs) with suitable surface areas and hierarchical porous structures have been synthesized by an improved ion-exchange/activation method. The Pt nanoparticles supported on N-3D GNs give more than double mass activity and almost no degradation in surface area after 5000 cycles compared with a commercial Pt/C catalyst. The results demonstrate that the improvement in the support can reach 2.6 times the catalytic activity. This strategy is a direct way to reduce the catalyst cost and make the practical application of the catalyst a reality.
引用
收藏
页码：1492 / 1497
页数：6
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