Highly electrocatalytic performance of bimetallic Co–Fe sulfide nanoparticles encapsulated in N-doped carbon nanotubes on reduced graphene oxide for oxygen evolution

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成果类型：

期刊论文

作者：

Zhang, Zhiliang;Xu, Deyao;Li, Junhua;Liu, Jinlong;Long, Xuanda;...

通讯作者：

Dong Qian

作者机构：

[Liu, Jinlong; Long, Xuanda; Zhang, Zhiliang; Su, Kanda; Qian, Dong; Guo, Jiangnan; Xu, Deyao] Cent South Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Changsha 410083, Peoples R China.

[Li, Junhua] Hengyang Normal Univ, Coll Chem & Mat Sci, Hengyang 421008, Peoples R China.

[Liu, Jinlong] Univ Auckland, Sch Chem Sci, Auckland 1142, New Zealand.

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

[Liu, Zeng] Cangzhou Dahua Grp Co Ltd, Cangzhou 061000, Peoples R China.

通讯机构：

[Dong Qian] H

Hunan Provincial Key Laboratory of Chemical Power Resources, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China

语种：

英文

关键词：

CoxFe(1-x)S(2);Carbon nanotubes;Graphene;Synergism;Oxygen evolution reaction

期刊：

Journal of Alloys and Compounds

ISSN：

0925-8388

年：

2021

卷：

881

页码：

160667

DOI：

10.1016/j.jallcom.2021.160667

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51874359, 21171174, 21505035]; Hunan Provincial Science and Technology Plan Project [2017TP1001]; Hunan Provincial Innovation Foundation for Graduate [1053320182930]

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本校为其他机构

院系归属：

化学与材料科学学院

摘要：

We rationally design and construct a heterostructured hybrid with reduced graphene oxide served as a platform to in-situ grow N-doped bamboo-like carbon nanotubes encapsulating bimetallic Co-Fe sulfide nanoparticles through a two-stage pyrolysis succeeded by an evaporating sulfurization process (denoted as CoxFe1-xS2@N-CNTs/rGO). By tuning the Co/Fe ratio, the optimal Co0.6Fe0.4S2@N-CNTs/rGO exhibits a remarkable oxygen evolution reaction (OER) performance in 1.0 M KOH, in which the overpotential at 10 mA cm(-2) and Tafel slope are recorded as 248 mV (vs. RHE) and 58.3 mV dec(-1), respectively...

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Highly electrocatalytic performance of bimetallic Co–Fe sulfide nanoparticles encapsulated in N-doped carbon nanotubes on reduced graphene oxide for oxygen evolution

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