Highly Stable Organic Molecular Porous Solid Electrolyte with One-Dimensional Ion Migration Channel for Solid-State Lithium-Oxygen Battery

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 23 vom: 07. Juni, Seite e2312661
1. Verfasser: Li, Jia-Xin (VerfasserIn)
Weitere Verfasser: Guan, De-Hui, Wang, Xiao-Xue, Miao, Cheng-Lin, Li, Jian-You, Xu, Ji-Jing
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Li–O2 batteries electrochemical performance organic molecular porous solid solid‐state electrolytes
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520 |a Solid-state lithium-oxygen (Li-O2) batteries have been widely recognized as one of the candidates for the next-generation of energy storage batteries. However, the development of solid-state Li-O2 batteries has been hindered by the lack of solid-state electrolyte (SSE) with high ionic conductivity at room temperature, high Li+ transference number, and the high stability to air. Herein, the organic molecular porous solid cucurbit[7]uril (CB[7]) with one-dimensional (1D) ion migration channels is developed as the SSE for solid-state Li-O2 batteries. Taking advantage of the 1D ion migration channel for Li+ conduction, CB[7] SSE achieves high ionic conductivity (2.45 × 10-4 S cm-1 at 25 °C). Moreover, the noncovalent interactions facilitated the immobilization of anions, realizing a high Li+ transference number (tLi + = 0.81) and Li+ uniform distribution. The CB[7] SSE also shows a wide electrochemical stability window of 0-4.65 V and high thermal stability and chemical stability, as well as realizes stable Li+ plating/stripping (more than 1000 h at 0.3 mA cm-2). As a result, the CB[7] SSE endows solid-state Li-O2 batteries with superior rate capability and long-term discharge/charge stability (up to 500 h). This design strategy of CB[7] SSE paves the way for stable and efficient solid-state Li-O2 batteries toward practical applications 
650 4 |a Journal Article 
650 4 |a Li–O2 batteries 
650 4 |a electrochemical performance 
650 4 |a organic molecular porous solid 
650 4 |a solid‐state electrolytes 
700 1 |a Guan, De-Hui  |e verfasserin  |4 aut 
700 1 |a Wang, Xiao-Xue  |e verfasserin  |4 aut 
700 1 |a Miao, Cheng-Lin  |e verfasserin  |4 aut 
700 1 |a Li, Jian-You  |e verfasserin  |4 aut 
700 1 |a Xu, Ji-Jing  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:23  |g day:07  |g month:06  |g pages:e2312661 
856 4 0 |u http://dx.doi.org/10.1002/adma.202312661  |3 Volltext 
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