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240508s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202404093
|2 doi
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|a pubmed24n1482.xml
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|a eng
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| 100 |
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|a Wang, Yueyang
|e verfasserin
|4 aut
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|a Ultrastable Electrolytic Zn-I2 Batteries Based on Nanocarbon Wrapped by Highly Efficient Single-Atom Fe-NC Iodine Catalysts
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 25.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Aqueous Zn-iodine (Zn-I2) conversion batteries with iodine redox chemistry suffers the severe polyiodide shuttling and sluggish redox kinetics, which impede the battery lifespan and rate capability. Herein, an ultrastable Zn-I2 battery is introduced based on single-atom Fe-N-C encapsulated high-surface-area carbon (HCFeNC) as the core-shell cathode materials, which accelerate the I-/I3 -/I° conversion significantly. The robust chemical-physical interaction between polyiodides and Fe-N4 sites tightly binds the polyiodide ions and suppresses the polyiodide shuttling, thereby significantly enhancing the coulombic efficiency. As a result, the core-shell HC@FeNC cathode endows the electrolytic Zn-I2 battery with an excellent capacity, remarkable rate capability, and an ultralong lifespan over 60 000 cycles. More importantly, a practical 253 Wh kg-1 pouch cell shows good capacity retention of 84% after 100 cycles, underscoring its considerable potential for commercial Zn-I2 batteries
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|a Journal Article
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|a Fe–N4 catalytic sites
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|a core–shell structure
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|a electrolytic Zn–I2 battery
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|a polyiodide conversion
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|a ultralong lifespan
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|a Jin, Xiangrong
|e verfasserin
|4 aut
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|a Xiong, Jiawei
|e verfasserin
|4 aut
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| 700 |
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|a Zhu, Qingyi
|e verfasserin
|4 aut
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| 700 |
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|a Li, Qi
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Runze
|e verfasserin
|4 aut
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| 700 |
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|a Li, Jiazhan
|e verfasserin
|4 aut
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| 700 |
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|a Fan, Yanchen
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Yi
|e verfasserin
|4 aut
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| 700 |
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|a Sun, Xiaoming
|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), 30 vom: 21. Juli, Seite e2404093
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:30
|g day:21
|g month:07
|g pages:e2404093
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|u http://dx.doi.org/10.1002/adma.202404093
|3 Volltext
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