Design of Fe,N co-doped multi-walled carbon nanotubes for efficient oxygen reduction

被引：25

作者：

Du, Peng ^{[1
,2
,3
]}

Bao, Yan ^{[1
,4
]}

Guo, Chen ^{[3
]}

Wu, Lawrence ^{[3
]}

Pan, Jie ^{[1
,2
,3
]}

Zhao, Chenghao ^{[1
,2
,3
]}

Ma, Fei-Xiang ^{[1
,2
,3
,4
]}

Lu, Jian ^{[2
,3
,4
,5
]}

Li, Yang Yang ^{[1
,2
,3
,4
]}

机构：

[1] City Univ Hong Kong, Hong Kong Branch Natl Precious Met Mat Engn Res C, Kowloon, Hong Kong, Peoples R China

[2] City Univ Hong Kong, Ctr Super Diamond & Adv Films COSDAE, Kowloon, Hong Kong, Peoples R China

[3] City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong, Peoples R China

[4] City Univ Hong Kong, Dept Mech Engn, Greater Bay Joint Div, Shenyang Natl Lab Mat Sci,Kowloon, Hong Kong, Peoples R China

[5] City Univ Hong Kong, Ctr Adv Struct Mat, Greater Bay Joint Div, Shenyang Natl Lab Mat Sci,Shenzhen Res Inst, Shenzhen, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 92期

关键词：

N/C ELECTROCATALYSTS; SITES; IRON; CATALYSTS; MICRO;

D O I：

10.1039/d0cc05520d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Unique Fe and N co-doped multi-walled carbon nanotubes are designed to efficiently catalyze the oxygen reduction reaction (ORR). The preparation processes involve surface functionalization, subsequent wet impregnation and final thermal fixation of Fe-N-x species. The catalyst achieved outstanding alkaline ORR performance with a very positive half-wave potential (similar to 0.91 V). Theoretical calculations show that the carbon layer below the active Fe-N-x sites is beneficial to the ORR.

引用

页码：14467 / 14470

页数：4

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