Ethanol-Induced Ni2+ -Intercalated Cobalt Organic Frameworks on Vanadium Pentoxide for Synergistically Enhancing the Performance of 3D-Printed Micro-Supercapacitors

© 2023 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 19 vom: 21. Mai, Seite e2211523
1. Verfasser: Zhou, Huijie (VerfasserIn)
Weitere Verfasser: Zhu, Guoyin, Dong, Shengyang, Liu, Pin, Lu, Yiyao, Zhou, Zhen, Cao, Shuai, Zhang, Yizhou, Pang, Huan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 3D printing ethanol-induced metal-organic framework micro-supercapacitor nanocomposite
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520 |a The synthesis of metal-organic framework (MOF) nanocomposites with high energy density and excellent mechanical strength is limited by the degree of lattice matching and crystal surface structure. In this study, dodecahedral ZIF-67 is synthesized uniformly on vanadium pentoxide nanowires. The influence of the coordination mode on the surface of ZIF-67 in ethanol is also investigated. Benefitting from the different coordination abilities of Ni2+ , Co2+ , and N atoms, spatially separated surface-active sites are created through metal-ion exchange. Furthermore, the incompatibility between the d8 electronic configuration of Ni2+ and the three-dimensional (3D) structure of ZIF-67 afforded the synthesis of hollow structures by controlling the amount of Ni doping. The formation of NiCo-MOFCoOOH@V2 O5 nanocomposites is confirmed using X-ray absorption fine structure analysis. The high performance of the obtained composite is illustrated by fabricating a 3D-printed micro-supercapacitor, exhibiting a high area specific capacitance of 585 mF cm-2 and energy density of 159.23 µWh cm-2 (at power density = 0.34 mW cm-2 ). The solvent/coordination tuning strategy demonstrated in this study provides a new direction for the synthesis of high-performance nanomaterials for electrochemical energy storage applications 
650 4 |a Journal Article 
650 4 |a 3D printing 
650 4 |a ethanol-induced 
650 4 |a metal-organic framework 
650 4 |a micro-supercapacitor 
650 4 |a nanocomposite 
700 1 |a Zhu, Guoyin  |e verfasserin  |4 aut 
700 1 |a Dong, Shengyang  |e verfasserin  |4 aut 
700 1 |a Liu, Pin  |e verfasserin  |4 aut 
700 1 |a Lu, Yiyao  |e verfasserin  |4 aut 
700 1 |a Zhou, Zhen  |e verfasserin  |4 aut 
700 1 |a Cao, Shuai  |e verfasserin  |4 aut 
700 1 |a Zhang, Yizhou  |e verfasserin  |4 aut 
700 1 |a Pang, Huan  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2023  |g number:19  |g day:21  |g month:05  |g pages:e2211523 
856 4 0 |u http://dx.doi.org/10.1002/adma.202211523  |3 Volltext 
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