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：

CoFe–CoFe2O4/N-CNTs;Electrocatalyst;Electrochemical surface area;Oxygen evolution reaction;Synergistic effect

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：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51874359, 21171174, 21505035]; Scientific Research Projects of Education Department of Hunan Province [18A336]; Hunan Provincial Science and Technology Plan Project [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 attributed to the synergistic effect between CoFe and CoF...

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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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