Nitrogen-Doped Carbon Fibers Embedded with Zincophilic Cu Nanoboxes for Stable Zn-Metal Anodes

© 2022 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 34(2022), 18 vom: 30. Mai, Seite e2200342
1. Verfasser: Zeng, Yinxiang (VerfasserIn)
Weitere Verfasser: Sun, Peng Xiao, Pei, Zhihao, Jin, Qi, Zhang, Xitian, Yu, Le, Lou, Xiong Wen David
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Cu nanoboxes N-doped carbon fibers Zn-metal anodes hollow structures zincophilic sites
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520 |a The practical application of Zn-metal anodes (ZMAs) is mainly impeded by the limited lifespan and low Coulombic efficiency (CE) resulting from the Zn dendrite growth and side reactions. Herein, a 3D multifunctional host consisting of N-doped carbon fibers embedded with Cu nanoboxes (denoted as Cu NBsNCFs) is rationally designed and developed for stable ZMAs. The 3D macroporous configuration and hollow structure can lower the local current density and alleviate the large volume change during the repeated cycling processes. Furthermore, zincophilic Cu and in-situ-formed Cu-Zn alloy can act as homogeneous nucleation sites to minimize the Zn nucleation overpotential, further guiding uniform and dense Zn deposition. As a result, this Cu NBs@NCFs host exhibits high CE of Zn plating/stripping for 1000 cycles. The Cu NBs@NCFs-Zn electrode shows low voltage hysteresis and prolonged cycling life (450 h) with dendrite-free behaviors. As a proof-of-concept demonstration, a Zn-ion full cell is fabricated based on this Cu NBs@NCFs-Zn anode, which demonstrates decent rate capability and improved cycling performance 
650 4 |a Journal Article 
650 4 |a Cu nanoboxes 
650 4 |a N-doped carbon fibers 
650 4 |a Zn-metal anodes 
650 4 |a hollow structures 
650 4 |a zincophilic sites 
700 1 |a Sun, Peng Xiao  |e verfasserin  |4 aut 
700 1 |a Pei, Zhihao  |e verfasserin  |4 aut 
700 1 |a Jin, Qi  |e verfasserin  |4 aut 
700 1 |a Zhang, Xitian  |e verfasserin  |4 aut 
700 1 |a Yu, Le  |e verfasserin  |4 aut 
700 1 |a Lou, Xiong Wen David  |e verfasserin  |4 aut 
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773 1 8 |g volume:34  |g year:2022  |g number:18  |g day:30  |g month:05  |g pages:e2200342 
856 4 0 |u http://dx.doi.org/10.1002/adma.202200342  |3 Volltext 
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