Bi-Functional N-Doped CNT/Graphene Composite as Highly Active and Durable Electrocatalyst for Metal Air Battery Applications

被引：53
作者：
Park, Hey Woong [1 ]
Lee, Dong Un [1 ]
Liu, Yulong [1 ]
Wu, Jason [1 ]
Nazar, Linda F. [2 ]
Chen, Zhongwei [1 ]
机构：
[1] Univ Waterloo, Waterloo Inst Sustainable Energy, Waterloo Inst Nanotechnol, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada
[2] Univ Waterloo, Waterloo Inst Nanotechnol, Dept Chem, Waterloo, ON N2L 3G1, Canada
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2013年 / 160卷 / 11期
基金：
加拿大自然科学与工程研究理事会;
关键词：
OXYGEN REDUCTION; BIFUNCTIONAL CATALYST; LI-AIR; GRAPHENE; NANOTUBE; ALKALINE; HYBRID; CATHODE; ALLOY;
D O I：
10.1149/2.097311jes
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Ethylene diamine-based nitrogen doped carbon nanotube (NCNT) was successfully synthesized on thermally reduced graphene oxide (TRGO) by an injection chemical vapor deposition method and its electrocatalytic activities for oxygen reduction and evolution reactions (ORR and OER, respectively) were investigated for metal air battery applications. The TRGO/NCNT composite with a novel bridged planes morphology does not only exhibits ORB. performance similar to that of commercial Pt/C catalyst, but also demonstrates a superior OER activity. Furthermore, the composite exhibits an excellent electrochemical durability confirmed by full range cyclic voltammetry (CV) cycling. This study highlights an approach to prepare highly active and durable metal free catalysts as a highly efficient electrode material for rechargeable metal air battery applications. (C) 2013 The Electrochemical Society. All rights reserved.
引用
收藏
页码：A2244 / A2250
页数：7
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