The LiV3O8 Superlattice Cathode with Optimized Zinc Ion Insertion Chemistry for High Mass-Loading Aqueous Zinc-Ion Batteries

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 23 vom: 03. Juni, Seite e2310434
1. Verfasser: Wu, Menghua (VerfasserIn)
Weitere Verfasser: Shi, Chuan, Yang, Junwei, Zong, Yu, Chen, Yu, Ren, Zhiguo, Zhao, Yuanxin, Li, Zhao, Zhang, Wei, Wang, Liyu, Huang, Xinliang, Wen, Wen, Li, Xiaolong, Ning, Xin, Ren, Xiaochuan, Zhu, Daming
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article LiV3O8 superlattice aqueous zinc ion battery cathode high mass‐loading in situ synchrotron X‐ray diffraction
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520 |a Resolving the sluggish transport kinetics of divalent Zn2+ in the cathode lattice and improving mass-loading performance are crucial for advancing the zinc-ion batteries (AZIBs) application. Herein, PEO-LiV3O8 superlattice nanosheets (PEO-LVO) with expanded interlayer spacing (1.16 nm) are fabricated to provide a high-rate, stable lifetime, and large mass-loading cathode. The steady in-plane expansion without shrinkage after the first cycle, but reversible H+/Zn2+ co-insertion in PEO-LVO are demonstrated by operando synchrotron X-ray diffraction and ex situ characterizations. Moreover, the large capacity of PEO-LVO is traced back to the optimized Zn2+ insertion chemistry with increased Zn2+ storage ratio, which is facilitated by the interlayer PEO in lowering the Zn2+ diffusion barrier and increased number of active sites from additional interfaces, as anticipated by density functional theory. Due to the optimized ion insertion resulting in stalled interfacial byproducts and rapid kinetics, PEO-LVO achieves excellent high mass-loading performance (areal capacity up to 6.18 mAh cm-2 for freestanding electrode with 24 mg cm-2 mass-loading and 2.8 mAh cm-2 at 130 mA cm-2 for conventional electrode with 27 mg cm-2 mass-loading). As a proof-of-concept, the flexible all-solid-state fiber-shaped AZIBs with high mass-loading woven into a fabric can power an electronic watch, highlighting the application potential of PEO-LVO cathode 
650 4 |a Journal Article 
650 4 |a LiV3O8 superlattice 
650 4 |a aqueous zinc ion battery 
650 4 |a cathode 
650 4 |a high mass‐loading 
650 4 |a in situ synchrotron X‐ray diffraction 
700 1 |a Shi, Chuan  |e verfasserin  |4 aut 
700 1 |a Yang, Junwei  |e verfasserin  |4 aut 
700 1 |a Zong, Yu  |e verfasserin  |4 aut 
700 1 |a Chen, Yu  |e verfasserin  |4 aut 
700 1 |a Ren, Zhiguo  |e verfasserin  |4 aut 
700 1 |a Zhao, Yuanxin  |e verfasserin  |4 aut 
700 1 |a Li, Zhao  |e verfasserin  |4 aut 
700 1 |a Zhang, Wei  |e verfasserin  |4 aut 
700 1 |a Wang, Liyu  |e verfasserin  |4 aut 
700 1 |a Huang, Xinliang  |e verfasserin  |4 aut 
700 1 |a Wen, Wen  |e verfasserin  |4 aut 
700 1 |a Li, Xiaolong  |e verfasserin  |4 aut 
700 1 |a Ning, Xin  |e verfasserin  |4 aut 
700 1 |a Ren, Xiaochuan  |e verfasserin  |4 aut 
700 1 |a Zhu, Daming  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:23  |g day:03  |g month:06  |g pages:e2310434 
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