An Ultrathin Nonporous Polymer Separator Regulates Na Transfer Toward Dendrite-Free Sodium Storage Batteries

© 2023 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 15 vom: 17. Apr., Seite e2203547
1. Verfasser: Li, Xinle (VerfasserIn)
Weitere Verfasser: Zhang, Jiyu, Guo, Xiaoniu, Peng, Chengbin, Song, Keming, Zhang, Zhiguo, Ding, Lina, Liu, Chuntai, Chen, Weihua, Dou, Shixue
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article dendrite high-energy density high-safety separator sodium-ion batteries
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520 |a Sodium storage batteries are one of the ever-increasing next-generation large-scale energy storage systems owing to the abundant resources and low cost. However, their viability is severely hampered by dendrite-related hazards on anodes. Herein, a novel ultrathin (8 µm) exterior-nonporous separator composed of honeycomb-structured fibers is prepared for homogeneous Na deposition and suppressed dendrite penetration. The unhindered ion transmission greatly benefits from honeycomb-structured fibers with huge electrolyte uptake (376.7%) and the polymer's inherent transport ability. Additionally, polar polymer chains consisting of polyethersulfone and polyvinylidene customize the highly aggregated solvation structure of electrolytes via substantial solvent immobilization, facilitating ion-conductivity-enhanced inorganic-rich solid-electrolyte interphase with remarkable interface endurance. With the reliable mechanical strength of the separator, the assembled sodium-ion full cell delivers significantly improved energy density and high safety, enabling stable operation under cutting and rolling. The as-prepared separator can further be generalized to lithium-based batteries for which apparent dendrite inhibition and cyclability are accessible and demonstrates its potential for practical application 
650 4 |a Journal Article 
650 4 |a dendrite 
650 4 |a high-energy density 
650 4 |a high-safety 
650 4 |a separator 
650 4 |a sodium-ion batteries 
700 1 |a Zhang, Jiyu  |e verfasserin  |4 aut 
700 1 |a Guo, Xiaoniu  |e verfasserin  |4 aut 
700 1 |a Peng, Chengbin  |e verfasserin  |4 aut 
700 1 |a Song, Keming  |e verfasserin  |4 aut 
700 1 |a Zhang, Zhiguo  |e verfasserin  |4 aut 
700 1 |a Ding, Lina  |e verfasserin  |4 aut 
700 1 |a Liu, Chuntai  |e verfasserin  |4 aut 
700 1 |a Chen, Weihua  |e verfasserin  |4 aut 
700 1 |a Dou, Shixue  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2023  |g number:15  |g day:17  |g month:04  |g pages:e2203547 
856 4 0 |u http://dx.doi.org/10.1002/adma.202203547  |3 Volltext 
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