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|a 10.1002/adma.202306577
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|a eng
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|a Zheng, Tian
|e verfasserin
|4 aut
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|a 2D Amorphous Iron Selenide Sulfide Nanosheets for Stable and Rapid Sodium-Ion Storage
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a Date Revised 28.11.2023
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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 Sodium ion batteries (SIBs) suffer from large electrode volume change and sluggish redox kinetics for the relatively large ionic radius of sodium ions, raising a significant challenge to improve their long-term cyclability and rate capacity. Here, it is proposed to apply 2D amorphous iron selenide sulfide nanosheets (a-FeSeS NSs) as an anode material for SIBs and demonstrate that they exhibit remarkable rate capability of 528.7 mAh g-1 at 1 A g-1 and long-life cycle (10 000 cycles) performance (300.4 mAh g-1 ). This performance is much more superior to that of the previously reported Fe-based anode materials, which is attributed to their amorphous structure that alleviates volume expansion of electrode, 2D nature that facilitates electrons/ions transfer, and the S/Se double anions that offer more reaction sites and stabilize the amorphous structure. Such a 2D amorphous strategy provides a fertile platform for structural engineering of other electrode materials, making a more secure energy prospect closer to a reality
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|a Journal Article
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|a 2D amorphous nanosheets
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|a high rate
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|a iron selenide sulfide
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|a sodium-ion battery
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|a ultralong cycle life
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|a Hu, Pengfei
|e verfasserin
|4 aut
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1 |
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|a Wang, Zhongchang
|e verfasserin
|4 aut
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| 700 |
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|a Guo, Tianqi
|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 35(2023), 48 vom: 14. Nov., Seite e2306577
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|x 1521-4095
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|g volume:35
|g year:2023
|g number:48
|g day:14
|g month:11
|g pages:e2306577
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|u http://dx.doi.org/10.1002/adma.202306577
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