Halide Heterogeneous Structure Boosting Ionic Diffusion and High-Voltage Stability of Sodium Superionic Conductors

© 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.

Détails bibliographiques
Publié dans:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 3 vom: 08. Jan., Seite e2308012
Auteur principal: Fu, Jiamin (Auteur)
Autres auteurs: Wang, Shuo, Wu, Duojie, Luo, Jing, Wang, Changhong, Liang, Jianwen, Lin, Xiaoting, Hu, Yang, Zhang, Shumin, Zhao, Feipeng, Li, Weihan, Li, Minsi, Duan, Hui, Zhao, Yang, Gu, Meng, Sham, Tsun-Kong, Mo, Yifei, Sun, Xueliang
Format: Article en ligne
Langue:English
Publié: 2024
Accès à la collection:Advanced materials (Deerfield Beach, Fla.)
Sujets:Journal Article Na+ diffusion UCl3-type framework composites heterogeneous structure solid-state electrolyte
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520 |a The development of solid-state sodium-ion batteries (SSSBs) heavily hinges on the development of an superionic Na+ conductor (SSC) that features high conductivity, (electro)chemical stability, and deformability. The construction of heterogeneous structures offers a promising approach to comprehensively enhancing these properties in a way that differs from traditional structural optimization. Here, this work exploits the structural variance between high- and low-coordination halide frameworks to develop a new class of halide heterogeneous structure electrolytes (HSEs). The halide HSEs incorporating a UCl3 -type high-coordination framework and amorphous low-coordination phase achieves the highest Na+ conductivity (2.7 mS cm-1 at room temperature, RT) among halide SSCs so far. By discerning the individual contribution of the crystalline bulk, amorphous region, and interface, this work unravels the synergistic ion conduction within halide HSEs and provides a comprehensive explanation of the amorphization effect. More importantly, the excellent deformability, high-voltage stability, and expandability of HSEs enable effective SSSB integration. Using a cold-pressed cathode electrode composite of uncoated Na0.85 Mn0.5 Ni0.4 Fe0.1 O2 and HSEs, the SSSBs present stable cycle performance with a capacity retention of 91.0% after 100 cycles at 0.2 C 
650 4 |a Journal Article 
650 4 |a Na+ diffusion 
650 4 |a UCl3-type framework 
650 4 |a composites 
650 4 |a heterogeneous structure 
650 4 |a solid-state electrolyte 
700 1 |a Wang, Shuo  |e verfasserin  |4 aut 
700 1 |a Wu, Duojie  |e verfasserin  |4 aut 
700 1 |a Luo, Jing  |e verfasserin  |4 aut 
700 1 |a Wang, Changhong  |e verfasserin  |4 aut 
700 1 |a Liang, Jianwen  |e verfasserin  |4 aut 
700 1 |a Lin, Xiaoting  |e verfasserin  |4 aut 
700 1 |a Hu, Yang  |e verfasserin  |4 aut 
700 1 |a Zhang, Shumin  |e verfasserin  |4 aut 
700 1 |a Zhao, Feipeng  |e verfasserin  |4 aut 
700 1 |a Li, Weihan  |e verfasserin  |4 aut 
700 1 |a Li, Minsi  |e verfasserin  |4 aut 
700 1 |a Duan, Hui  |e verfasserin  |4 aut 
700 1 |a Zhao, Yang  |e verfasserin  |4 aut 
700 1 |a Gu, Meng  |e verfasserin  |4 aut 
700 1 |a Sham, Tsun-Kong  |e verfasserin  |4 aut 
700 1 |a Mo, Yifei  |e verfasserin  |4 aut 
700 1 |a Sun, Xueliang  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 3 vom: 08. Jan., Seite e2308012  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnas 
773 1 8 |g volume:36  |g year:2024  |g number:3  |g day:08  |g month:01  |g pages:e2308012 
856 4 0 |u http://dx.doi.org/10.1002/adma.202308012  |3 Volltext 
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