NiCO2S4@graphene as a Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions | |
Department | 先进润滑与防护材料研究发展中心 |
Liu Q(刘乔)1,2; Jin JT(金具涛)1,2; Zhang JY(张俊彦)1; Zhang JY(张俊彦) | |
The second department | 固体润滑国家重点实验室 |
2013 | |
Source Publication | ACS Applied Materials & Interfaces |
ISSN | 1944-8244 |
Volume | 5Issue:11Pages:5002-5008 |
Abstract | Here, the hybrid of NiCo2S4 nanoparticles grown on graphene in situ is first described as an effective bifunctional nonprecious electrocatalyst for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in the alkaline medium. NiCo2S4@N/S-rGO was synthesized by a one-pot solvothermal strategy using Co(OAc)2, Ni(OAc)2, thiourea, and graphene oxide as precursors and ethylene glycol as the dispersing agent; simultaneously, traces of nitrogen and sulfur were double-doped into the reduced graphene oxide (rGO) in the forms of pyrrolic-N, pyridinic-N, and thiophenic-S, which are often desirable for metal-free ORR catalysts. In comparison with commercial Pt/C catalyst, NiCo2S4@N/S-rGO shows less reduction activity, much better durability, and superior methanol tolerance toward ORR in 0.1 M KOH; it reveals higher activity toward OER in both KOH electrolyte and phosphate buffer at pH 7.0. NiCo2S4@graphene demonstrated excellent overall bicatalytic performance, and importantly, it suggests a novel kind of promising nonprecious bifunctional catalyst in the related renewable energy devices. |
Keyword | Cobalt Sulfide Graphene Oxygen Reduction Oxygen Evolution Nonprecious Electrocatalyst Doping Effect Bifunctional Catalyst Fuel Cell |
Subject Area | 材料科学与物理化学 |
DOI | 10.1021/am4007897 |
Funding Organization | the National Natural Science Foundation of China (50823008) |
Indexed By | SCI |
If | 5.900 |
Language | 英语 |
Funding Project | 纳米润滑研究组 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/4769 |
Collection | 中国科学院材料磨损与防护重点实验室/先进润滑与防护材料研究发展中心 固体润滑国家重点实验室(LSL) |
Corresponding Author | Zhang JY(张俊彦) |
Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
Recommended Citation GB/T 7714 | Liu Q,Jin JT,Zhang JY,et al. NiCO2S4@graphene as a Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions[J]. ACS Applied Materials & Interfaces,2013,5(11):5002-5008. |
APA | Liu Q,Jin JT,Zhang JY,&张俊彦.(2013).NiCO2S4@graphene as a Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions.ACS Applied Materials & Interfaces,5(11),5002-5008. |
MLA | Liu Q,et al."NiCO2S4@graphene as a Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions".ACS Applied Materials & Interfaces 5.11(2013):5002-5008. |
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am4007897.pdf(4551KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text |
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