Remarkable performance of heavily nitrogenated graphene in the oxygen reduction reaction of fuel cells in alkaline medium

被引：8
|
作者：
Gopalakrishnan, K. [1 ]
Rao, C. N. R.
机构：
[1] Jawaharlal Nehru Ctr Adv Sci Res, CSIR Ctr Excellence Chem, Int Ctr Mat Sci, Chem & Phys Mat Unit,New Chem Unit, Jakkur PO, Bangalore 560064, Karnataka, India
来源：
MATERIALS RESEARCH EXPRESS | 2015年 / 2卷 / 09期
基金：
中国国家自然科学基金;
关键词：
nitrogen-doped graphene; oxygen reduction reaction; fuel cells; DOPED GRAPHENE; TRANSITION-METALS; OXIDE; SUPERCAPACITOR; CATALYST; ELECTROCATALYST; PLATINUM; BORON;
D O I：
10.1088/2053-1591/2/9/095503
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Graphene and other two-dimensional materials have been used as catalysts in the oxygen reduction reaction (ORR) in fuel cells with a few limitations in terms of the onset potential and number of electrons transferred per oxygen molecule. We find that heavily nitrogenated graphene with a nitrogen content of 14-18 wt.% and a high proportion of pyrrolic nitrogen, prepared under microwave irradiation, shows excellent activity towards ORR, comparable to platinum, with the transferred electron number of 4.
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页数：7
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