N-doped bamboo-like CNTs combined with CoFe–CoFe2O4 as a highly efficient electrocatalyst towards oxygen evolution

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成果类型：

期刊论文

作者：

Xu, Deyao;Liu, Beibei;Liu, Guiyu;Su, Kanda;Yang, Chunming;...

通讯作者：

Qian, Dong;Li, Junhua

作者机构：

[Liu, Beibei; Su, Kanda; Qian, Dong; Liu, Guiyu; Xu, Deyao] Cent South Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Changsha 410083, Peoples R China.

[Li, Junhua; Xu, Deyao] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

[Yang, Chunming] Hunan Normal Univ, Coll Chem & Chem Engn, Changsha 410081, Peoples R China.

[Tong, Haixia] Changsha Univ Sci & Technol, Inst Chem & Biol Engn, Changsha 410114, Peoples R China.

通讯机构：

[Qian, Dong] C

[Li, Junhua] H

Cent South Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Changsha 410083, Peoples R China.

Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

语种：

英文

关键词：

Bamboo;Binary alloys;Carbon nanotubes;Doping (additives);Electrocatalysts;Oxygen;Oxygen evolution reaction;Potassium hydroxide;Slope stability;Bamboo-like carbon nanotubes;CoFe2O4;Electrocatalytic performance;Electrochemical surface area;Long term stability;Overpotential;Oxygen evolution;Synergistic effect;Cobalt

期刊：

International Journal of Hydrogen Energy

ISSN：

0360-3199

年：

2020

卷：

期：

页码：

6629-6635

DOI：

10.1016/j.ijhydene.2019.12.180

基金类别：

This work was financially supported by National Natural Science Foundation of China (No. 51874359 , 21171174 and 21505035 ), Scientific Research Projects of Education Department of Hunan Province ( 18A336 ), and Hunan Provincial Science and Technology Plan Project (No. 2017TP1001 ). Appendix A This work was financially supported by National Natural Science Foundation of China (No. 51874359, 21171174 and 21505035), Scientific Research Projects of Education Department of Hunan Province (18A336), and Hunan Provincial Science and Technology Plan Project (No. 2017TP1001).

机构署名：

本校为通讯机构

院系归属：

化学与材料科学学院

摘要：

In this work, we developed a novel hybrid with N-doped bamboo-like carbon nanotubes combined with the CoFe alloy and its oxide (denoted as CoFe–CoFe2O4/N-CNTs) via an extremely facile one-step pyrolysis method. When applied as an electrocatalyst towards OER in 1.0 M KOH solution, CoFe–CoFe2O4/N-CNTs exhibits a small overpotential of 334 mV to afford a current density of 10 mA cm−2 associated with a low Tafel slope of 80 mV dec−1 and long-term stability. The remarkable OER electrocatalytic performance of CoFe–CoFe2O4/N-CNTs is mainly attrib...

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N-doped bamboo-like CNTs combined with CoFe–CoFe2O4 as a highly efficient electrocatalyst towards oxygen evolution

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