High-Entropy Prussian Blue Analogues Enable Lattice Respiration for Ultrastable Aqueous Aluminum-Ion Batteries

© 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 30 vom: 06. Juli, Seite e2404172
1. Verfasser: Du, Kai (VerfasserIn)
Weitere Verfasser: Liu, Yujie, Zhao, Yiqi, Li, Hui, Liu, Hexiong, Sun, Chunhao, Han, Mingshan, Ma, Tianyi, Hu, Yuxiang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article aqueous aluminum‐ion battery high entropy material lattice respiration
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520 |a Aqueous aluminum ion batteries (AAIBs) hold significant potential for grid-scale energy storage owing to their intrinsic safety, high theoretical capacity, and abundance of aluminum. However, the strong electrostatic interactions and delayed charge compensation between high-charge-density aluminum ions and the fixed lattice in conventional cathodes impede the development of high-performance AAIBs. To address this issue, this work introduces, for the first time, high-entropy Prussian blue analogs (HEPBAs) as cathodes in AAIBs with unique lattice tolerance and efficient multipath electron transfer. Benefiting from the intrinsic long-range disorder and robust lattice strain field, HEPBAs enable the manifestation of the lattice respiration effect and minimize lattice volume changes, thereby achieving one of the best long-term stabilities (91.2% capacity retention after 10 000 cycles at 5.0 A g-1) in AAIBs. Additionally, the interaction between the diverse metal atoms generates a broadened d-band and reduced degeneracy compared with conventional Prussian blue and its analogs (PBAs), which enhances the electron transfer efficiency with one of the best rate performance (79.2 mAh g-1 at 5.0 A g-1) in AAIBs. Furthermore, exceptional element selectivity in HEPBAs with unique cocktail effect can facile tune electrochemical behavior. Overall, the newly developed HEPBAs with a high-entropy effect exhibit promising solutions for advancing AAIBs and multivalent-ion batteries 
650 4 |a Journal Article 
650 4 |a aqueous aluminum‐ion battery 
650 4 |a high entropy material 
650 4 |a lattice respiration 
700 1 |a Liu, Yujie  |e verfasserin  |4 aut 
700 1 |a Zhao, Yiqi  |e verfasserin  |4 aut 
700 1 |a Li, Hui  |e verfasserin  |4 aut 
700 1 |a Liu, Hexiong  |e verfasserin  |4 aut 
700 1 |a Sun, Chunhao  |e verfasserin  |4 aut 
700 1 |a Han, Mingshan  |e verfasserin  |4 aut 
700 1 |a Ma, Tianyi  |e verfasserin  |4 aut 
700 1 |a Hu, Yuxiang  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:30  |g day:06  |g month:07  |g pages:e2404172 
856 4 0 |u http://dx.doi.org/10.1002/adma.202404172  |3 Volltext 
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