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241106s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202411605
|2 doi
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|a eng
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|a Xia, Tianchen
|e verfasserin
|4 aut
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|a Boosting the Structural and Electrochemical Stability of Chloride-Ion-Conducting Perovskite Solid Electrolytes by Alkali Ion Doping
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|c 2025
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 08.01.2025
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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 The use of chloride-based solid electrolytes derived from Lewis acid‒base reactions enables the construction of various new rechargeable batteries, such as chloride ion batteries (CIBs). However, a critical problem with these electrolytes is their poor stability under low-temperature, moist, or electrochemical conditions, which can lead to deterioration of the phase structure and a loss of ion conduction. Herein, the robust cubic structure of tin-based perovskite chloride-a chloride ion conductor-is achieved by alkali ion doping at the tin site via direct mechanical milling. The as-prepared cubic CsSn0.925Na0.075Cl2.925 (CSNC) electrolyte exhibits outstanding structural stability over a broad temperature range of 213-473 K or under a high relative humidity of up to 90%, at which the typical chloride electrolytes previously reported deteriorate because of moisture. Importantly, mild annealing can modify the microstructure of the CSNC, resulting in a two fold increase in ionic conductivity and an increase in electrochemical stability, which is superior to those of other chloride electrolytes reported in previous studies. The effective chloride-ion transfer and wide electrochemical window of the CSNC are further demonstrated in different solid-state CIBs
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|a Journal Article
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|a chloride ion conductor
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|a electrochemical stability
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|a perovskite chlorides
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|a solid electrolytes
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|a structural stability
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1 |
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|a Li, Qiang
|e verfasserin
|4 aut
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| 700 |
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|a Xue, Zhiyang
|e verfasserin
|4 aut
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| 700 |
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|a Miao, Yingchun
|e verfasserin
|4 aut
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| 700 |
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|a Shen, Xiaodong
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Xiangyu
|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 37(2025), 1 vom: 23. Jan., Seite e2411605
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:37
|g year:2025
|g number:1
|g day:23
|g month:01
|g pages:e2411605
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|u http://dx.doi.org/10.1002/adma.202411605
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