Evidence of Quasi-Na Metallic Clusters in Sodium Ion Batteries through In Situ X-Ray Diffraction

Evidence of Quasi-Na Metallic Clusters in Sodium Ion Batteries through In Situ X-Ray Diffraction

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - (2024) vom: 06. Nov., Seite e2410673
1. Verfasser: Liu, Xi (VerfasserIn)
Weitere Verfasser: Zhang, Minglu, Wang, Xinying, Peng, Yi, Liu, Yang, Ullah, Shafi, Duan, Zhihua, Gao, Wanjie, Song, Bingyan, Wei, Mingxuan, He, Jiarui, Li, Zhenghui, Wu, Yuping
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article carbonaceous anode crystal system transformation quasi‐metallic clusters sodium‐ion batteries
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520 |a Carbonaceous materials have been considered the most promising anode in sodium-ion batteries (SIBs) due to their low cost, good electrical conductivity, and structural stability. The main challenge of carbonaceous anodes prior to their commercialization is low initial coulomb efficiencies, derived from a lack of an efficient technique to reveal a fundamental comprehension of sodium storage mechanisms. Here, the direct observation of quasi-Na metallic clusters in carbonaceous anodes during cycling through in situ XRD is reported. By means of such a technique, a strong self-adsorption behavior forming quasi-Na metallic clusters is detected within a rationally designed highly defective ultrathin carbon nanosheets (HDCS) anode. Such a self-adsorption and crystalline system transformation mechanism in HDCS brings capacity retention about 100% after 1000 cycles at 1 A g-1. This work provides a new principle for designing high-performance carbon anodes for SIBs 
650 4 |a Journal Article 
650 4 |a carbonaceous anode 
650 4 |a crystal system transformation 
650 4 |a quasi‐metallic clusters 
650 4 |a sodium‐ion batteries 
700 1 |a Zhang, Minglu  |e verfasserin  |4 aut 
700 1 |a Wang, Xinying  |e verfasserin  |4 aut 
700 1 |a Peng, Yi  |e verfasserin  |4 aut 
700 1 |a Liu, Yang  |e verfasserin  |4 aut 
700 1 |a Ullah, Shafi  |e verfasserin  |4 aut 
700 1 |a Duan, Zhihua  |e verfasserin  |4 aut 
700 1 |a Gao, Wanjie  |e verfasserin  |4 aut 
700 1 |a Song, Bingyan  |e verfasserin  |4 aut 
700 1 |a Wei, Mingxuan  |e verfasserin  |4 aut 
700 1 |a He, Jiarui  |e verfasserin  |4 aut 
700 1 |a Li, Zhenghui  |e verfasserin  |4 aut 
700 1 |a Wu, Yuping  |e verfasserin  |4 aut 
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773 1 8 |g year:2024  |g day:06  |g month:11  |g pages:e2410673 
856 4 0 |u http://dx.doi.org/10.1002/adma.202410673  |3 Volltext 
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