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|a 10.1002/adma.202308447
|2 doi
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|a pubmed24n1328.xml
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|a eng
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|a Liu, Xi
|e verfasserin
|4 aut
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|a Novel Ultra-Stable 2D SbBi Alloy Structure with Precise Regulation Ratio Enables Long-Stable Potassium/Lithium-Ion Storage
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 14.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a The inferior cycling stabilities or low capacities of 2D Sb or Bi limit their applications in high-capacity and long-stability potassium/lithium-ion batteries (PIBs/LIBs). Therefore, integrating the synergy of high-capacity Sb and high-stability Bi to fabricate 2D binary alloys is an intriguing and challenging endeavor. Herein, a series of novel 2D binary SbBi alloys with different atomic ratios are fabricated using a simple one-step co-replacement method. Among these fabricated alloys, the 2D-Sb0.6 Bi0.4 anode exhibits high-capacity and ultra-stable potassium and lithium storage performance. Particularly, the 2D-Sb0.6 Bi0.4 anode has a high-stability capacity of 381.1 mAh g-1 after 500 cycles at 0.2 A g-1 (≈87.8% retention) and an ultra-long-cycling stability of 1000 cycles (0.037% decay per cycle) at 1.0 A g-1 in PIBs. Besides, the superior lithium and potassium storage mechanism is revealed by kinetic analysis, in-situ/ex-situ characterization techniques, and theoretical calculations. This mainly originates from the ultra-stable structure and synergistic interaction within the 2D-binary alloy, which significantly alleviates the volume expansion, enhances K+ adsorption energy, and decreases the K+ diffusion energy barrier compared to individual 2D-Bi or 2D-Sb. This study verifies a new scalable design strategy for creating 2D binary (even ternary) alloys, offering valuable insights into their fundamental mechanisms in rechargeable batteries
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|a Journal Article
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|a 2D SbBi alloy anode
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|a 2D structure
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|a lithium-ion batteries
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|a potassium ion batteries
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|a scalable synthesis
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|a Wang, Xinying
|e verfasserin
|4 aut
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|a Zhou, Yiru
|e verfasserin
|4 aut
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|a Wang, Bingchun
|e verfasserin
|4 aut
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|a Zhao, Ligong
|e verfasserin
|4 aut
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|a Zheng, He
|e verfasserin
|4 aut
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|a Wang, Jianbo
|e verfasserin
|4 aut
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|a Liu, Junhao
|e verfasserin
|4 aut
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|a Liu, Jun
|e verfasserin
|4 aut
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|a Li, Yunyong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 11 vom: 01. März, Seite e2308447
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:11
|g day:01
|g month:03
|g pages:e2308447
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|u http://dx.doi.org/10.1002/adma.202308447
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