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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201906221
|2 doi
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|a pubmed25n1012.xml
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|a (DE-627)NLM303847212
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|a (NLM)31782569
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Jiang, Zhouyang
|e verfasserin
|4 aut
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|a Tape-Casting Li0.34 La0.56 TiO3 Ceramic Electrolyte Films Permit High Energy Density of Lithium-Metal Batteries
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|c 2020
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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
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Ceramic oxide electrolytes are outstanding due to their excellent thermostability, wide electrochemical stable windows, superior Li-ion conductivity, and high elastic modulus compared to other electrolytes. To achieve high energy density, all-solid-state batteries require thin solid-state electrolytes that are dozens of micrometers thick due to the high density of ceramic electrolytes. Perovskite-type Li0.34 La0.56 TiO3 (LLTO) freestanding ceramic electrolyte film with a thickness of 25 µm is prepared by tape-casting. Compared to a thick electrolyte (>200 µm) obtained by cold-pressing, the total Li ionic conductivity of this LLTO film improves from 9.6 × 10-6 to 2.0 × 10-5 S cm-1 . In addition, the LLTO film with a thickness of 25 µm exhibits a flexural strength of 264 MPa. An all-solid-state Li-metal battery assembled with a 41 µm thick LLTO exhibits an initial discharge capacity of 145 mAh g-1 and a high capacity retention ratio of 86.2% after 50 cycles. Reducing the thickness of oxide ceramic electrolytes is crucial to reduce the resistance of electrolytes and improve the energy density of Li-metal batteries
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|a Journal Article
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|a Li-metal batteries
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|a oxide ceramics
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|a solid-state electrolytes
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|a tape casting
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4 |
|a ultrathin films
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1 |
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|a Wang, Suqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Xinzhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Wenlong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yao, Xiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Xinchao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Qingyue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Haihui
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 6 vom: 03. Feb., Seite e1906221
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:6
|g day:03
|g month:02
|g pages:e1906221
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|u http://dx.doi.org/10.1002/adma.201906221
|3 Volltext
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