Highly Reversible Lithium Metal Anode Enabled by 3D Lithiophilic-Lithiophobic Dual-Skeletons

© 2023 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 15 vom: 26. Apr., Seite e2211203
1. Verfasser: Qing, Piao (VerfasserIn)
Weitere Verfasser: Wu, Zhibin, Wang, Anbang, Huang, Shaozhen, Long, Kecheng, Naren, Tuoya, Chen, Dongping, He, Pan, Huang, Haifeng, Chen, Yuejiao, Mei, Lin, Chen, Libao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Li-B alloys dual-skeletons high CE lithium metal anodes selective deposition
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520 |a Lithium metal is a promising anode for high-energy-density lithium batteries, but its practical application is still hindered by intrinsic defects such as infinite volume expansion and uncontrollable dendrite growth. Herein, a dendrite-free 3D composite Li anode (Li-BSSM) is prepared by mechanical rolling of lithiophilic LiB nanofibers supported by Li-B composite and lithiophobic stainless-steel mesh (SSM). Featuring hierarchical lithiophilic-lithiophobic dual-skeletons, the Li-B@SSM anode shows an ultrahigh Coulombic efficiency of 99.95% and a long lifespan of 900 h under 2 mA cm-2 /1 mAh cm-2 . It is demonstrated that the abnormally reversible Li stripping/plating processes should be closely related to the site-selective plating behavior and spatial confinement effect induced by the robust lithiophilic-lithiophobic dual-skeletons, which alleviates the volume changes, suppresses the growth of Li dendrites, and reduces the accumulation of "dead" Li. More importantly, the application feasibility of the Li-B@SSM anode is also confirmed in full batteries, of which the Li-B@SSM|LiFePO4 full cell shows a high capacity retention of 97.5% after 400 cycles while the Li-B@SSM|S pouch battery exhibits good cycle stability even under practically harsh conditions. This work paves the way for the facile and efficient fabrication of high-efficiency Li metal anodes toward practical applications 
650 4 |a Journal Article 
650 4 |a Li-B alloys 
650 4 |a dual-skeletons 
650 4 |a high CE 
650 4 |a lithium metal anodes 
650 4 |a selective deposition 
700 1 |a Wu, Zhibin  |e verfasserin  |4 aut 
700 1 |a Wang, Anbang  |e verfasserin  |4 aut 
700 1 |a Huang, Shaozhen  |e verfasserin  |4 aut 
700 1 |a Long, Kecheng  |e verfasserin  |4 aut 
700 1 |a Naren, Tuoya  |e verfasserin  |4 aut 
700 1 |a Chen, Dongping  |e verfasserin  |4 aut 
700 1 |a He, Pan  |e verfasserin  |4 aut 
700 1 |a Huang, Haifeng  |e verfasserin  |4 aut 
700 1 |a Chen, Yuejiao  |e verfasserin  |4 aut 
700 1 |a Mei, Lin  |e verfasserin  |4 aut 
700 1 |a Chen, Libao  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2023  |g number:15  |g day:26  |g month:04  |g pages:e2211203 
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