Hauptseite > Publikationsdatenbank > Grain boundary complexion modification for interface stability in garnet based solid-state Li batteries > print

001     1024677
005     20250204113826.0
024 7 _ |a 10.1016/j.jpowsour.2024.234394
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024 7 _ |a 0378-7753
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024 7 _ |a 1873-2755
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024 7 _ |a 10.34734/FZJ-2024-02350
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037 _ _ |a FZJ-2024-02350
082 _ _ |a 620
100 1 _ |a Wang, Chih-Chieh
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245 _ _ |a Grain boundary complexion modification for interface stability in garnet based solid-state Li batteries
260 _ _ |a New York, NY [u.a.]
|c 2024
|b Elsevier
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520 _ _ |a The garnet type solid-state electrolyte (SSE) encounters challenges related to poor interfacial contact with Li metal and dendrite penetration problem. This study addresses these issues by manipulating the surface property of garnet-based LLZTO (Li6.5La3Zr1.6Ta0.4O12) SSE. The manipulation is achieved by varying thickness of Al2O3 atomic layer deposition (ALD), followed by sintering. Research results show that the relative density, ionic conductivity, and hardness of LLZTO are improved while electronic conductivity is reduced due to the formation of multiple complexions at grain boundary (GB). The SSE pellets also demonstrate improved wettability with Li metal, leading to stable galvanostatic Li plating/stripping cycling with low polarization, which allows for batter battery performance than pristine one. The concept of modifying SSE through the grain boundary complexion modification by thin ALD coating for enhancing the dendrite tolerance with better electrochemical properties of SSE may open a new direction for solid state battery research.
536 _ _ |a 1223 - Batteries in Application (POF4-122)
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700 1 _ |a Hsu, Wei-Chun
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700 1 _ |a Chang, Chia-Yu
|0 P:(DE-HGF)0
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700 1 _ |a Ihrig, Martin
|0 P:(DE-Juel1)174298
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700 1 _ |a Thuy Tran, Ngoc Thanh
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700 1 _ |a Lin, Shih-kang
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700 1 _ |a Windmüller, Anna
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700 1 _ |a Tsai, Chih-Long
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700 1 _ |a Eichel, Rüdiger-A.
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700 1 _ |a Chiu, Kuo-Feng
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773 _ _ |a 10.1016/j.jpowsour.2024.234394
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|t Journal of power sources
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|y 2024
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856 4 _ |u https://doi.org/10.1016/j.jpowsour.2024.234394
856 4 _ |u https://juser.fz-juelich.de/record/1024677/files/SSE-LLZO-ALD-20231012-FINAL-Long.docx
|y Published on 2024-03-23. Available in OpenAccess from 2026-03-23.
856 4 _ |u https://juser.fz-juelich.de/record/1024677/files/Supporting%20information-20231012-FINAL-Long.docx
|y Published on 2024-03-23. Available in OpenAccess from 2026-03-23.
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