Waste cotton-derived N-doped carbon as a sustainable metal-free electrocatalyst for oxygen reduction

被引：9
|
作者：
Jiang, Guomin [1 ]
Peng, Bing [1 ]
机构：
[1] Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 188卷
关键词：
Metal-free carbon material; Electrocatalyst; Metal/air batteries; FIBER AEROGEL; GRAPHENE; BATTERIES; CATALYSTS; EFFICIENT;
D O I：
10.1016/j.matlet.2016.10.080
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A superior electrocatalytic metal-free carbon material for oxygen reduction reaction was fabricated using waste cotton as feedstock through a simple sulfuric acidification and subsequent melamine activation at 1000 degrees C. The carbon possesses hierarchical micro-meso porous feature and a relatively high content of pyridinic & pyrrolic N. The carbon material exhibits a nice electrocatalytic activity with an onset potential of -0.17 V (vs. Ag/AgCl) in alkaline solutions which indicates its great potential in the application of metal/air batteries.
引用
收藏
页码：33 / 36
页数：4
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