Enhanced OER performance of NiFeB amorphous alloys by surface self-reconstruction
Li, Hai-long1,2; Wang, Yuan-yuan2,3; Liu, Chun-ming1; Zhang, Shi-ming4; Zhang, Hai-feng1,2,3; Zhu, Zheng-wang1,2,3
Corresponding AuthorZhu, Zheng-wang(
AbstractThe design and development of cost-effective and highly efficient oxygen evolution reaction (OER) electrocatalysts are urgently desirable during the water-splitting process. Here, NixFe80-xB20 (x = 70, 60, 50, 40, 30, hereafter referred to as NFB) amorphous alloys, with high mechanical strength, excellent corrosion resistance, and unique atomic structure, are fabricated as efficient water oxidation electrocatalysts in alkaline solutions. Ni40Fe40B20 amorphous ribbons achieve only 319 mV of overpotential at 10 mA center dot cm-2 with a Tafel slope of 56 mV dec-1 and exhibit excellent long-term stability for 24 h at 10 mA center dot cm-2 and 100 mA center dot cm-2 in 1 M KOH solution, which outperform the commercial RuO2 electrocatalyst. It is worth noting that the OER performance of NixFe80-xB20 amorphous electrocatalysts after long-term chronopotentiometry test displays more effectively, which can be ascribed to the surface construction. Meanwhile, the analysis of the morphology and structure of the electrocatalysts reveal that continuous oxidation during the OER process induces the structural reorganization on the surface of the electrocatalysts, which can enhance the electron transfer process , adsorption of the reaction intermediates to optimize the OER performance. This study provides a shred of evidence for surface self-reconstruction of NiFeB amorphous alloys electrocatalysts during the OER process and promotes the appli-cation of amorphous alloys as functional materials in the water-splitting field. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
KeywordAmorphous alloys Oxygen evolution reaction Electrocatalyst Reconstruction Stability
Funding OrganizationNational Natural Science Foundation of China ; Fund of Qingdao
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[51790484] ; National Natural Science Foundation of China[52074257] ; Fund of Qingdao[19-9-2-1-wz]
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000810166700004
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Document Type期刊论文
Corresponding AuthorZhu, Zheng-wang
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shi changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
4.Qingdao Yunlu Adv Mat Technol Co Ltd, Qingdao 266232, Peoples R China
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Li, Hai-long,Wang, Yuan-yuan,Liu, Chun-ming,et al. Enhanced OER performance of NiFeB amorphous alloys by surface self-reconstruction[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2022,47(48):20718-20728.
APA Li, Hai-long,Wang, Yuan-yuan,Liu, Chun-ming,Zhang, Shi-ming,Zhang, Hai-feng,&Zhu, Zheng-wang.(2022).Enhanced OER performance of NiFeB amorphous alloys by surface self-reconstruction.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,47(48),20718-20728.
MLA Li, Hai-long,et al."Enhanced OER performance of NiFeB amorphous alloys by surface self-reconstruction".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 47.48(2022):20718-20728.
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