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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202108688
|2 doi
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|a pubmed25n1114.xml
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|a eng
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|a Xu, Xin
|e verfasserin
|4 aut
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|a Synchrotron X-ray Spectroscopic Investigations of In-Situ-Formed Alloy Anodes for Magnesium Batteries
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 24.02.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Magnesium batteries present high volumetric energy density and dendrite-free deposition of Mg, drawing wide attention in energy-storage devices. However, their further development remains stagnated due to relevant interfacial issues between the Mg anode and the electrolyte and sluggish solid-state diffusion kinetics of Mg2+ ions. Herein, an in situ conversion chemistry to construct a nanostructured Bi anode from bismuth selenide driven by Li+ is proposed. Through the combination of operando synchrotron X-ray diffraction, ex situ synchrotron X-ray absorption spectroscopy, and comprehensive electrochemical tests, it is demonstrated that the nanosize of the in-situ-formed Bi crystals contributes to the fast Mg2+ diffusion kinetics and highly efficient Mg-Bi alloingy/de-alloying. The resultant Bi anodes exhibit superior long-term cycling stability with over 600 cycles under a high current density of 1.0 A g-1 . This work provides a new approach to construct alloy anode and paves the way for exploring novel electrode materials for magnesium batteries
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|a Journal Article
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|a bismuth anodes
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|a in situ conversion
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|a layered bismuth selenide
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|a magnesium batteries
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|a Ye, Chao
|e verfasserin
|4 aut
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| 700 |
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|a Chao, Dongliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Biao
|e verfasserin
|4 aut
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| 700 |
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|a Li, Huan
|e verfasserin
|4 aut
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|a Tang, Cheng
|e verfasserin
|4 aut
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|a Zhong, Xiongwei
|e verfasserin
|4 aut
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|a Qiao, Shi-Zhang
|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 34(2022), 8 vom: 27. Feb., Seite e2108688
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:34
|g year:2022
|g number:8
|g day:27
|g month:02
|g pages:e2108688
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|u http://dx.doi.org/10.1002/adma.202108688
|3 Volltext
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