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Garnet-Based Solid-State Lithium Fluoride Conversion Batteries Benefiting from Eutectic Interlayer of Superior Wettability
Zhang, Y; Meng, JW; Chen, KY; Wu, H; Hu, JL; Li, CL
2020-04-10
Source PublicationACS ENERGY LETTERS
ISSN2380-8195
Issue4Pages:1167
SubtypeArticle
AbstractGarnet-type Li-La-Zr-O electrolytes suffer from poor contact with the Li metal anode because of the facile formation of a passivation layer at the interface, thus leading to frustrating interfacial impedance or lithium dendrite penetration. Herein, we introduce a eutectic Na-Li intermediate layer between the Li anode and garnet electrolyte to enable sufficient wettability. The potential mechanism of solid-solid convection between Li and Na domains promotes the prompt extension of the eutectic zone, preservation of the highly soldered interface, and homogenization of Li plating during cycling. The Li-Na/garnet/Na-Li cell exhibits a small interfacial resistance of 18.98 Omega.cm(2) at 60 degrees C and steady cycling for 3500 h (with a small overpotential of 10.8 mV). The first prototype of a solid-state battery combining a conversion-type FeF3 cathode with garnet electrolyte is successfully operated at 60 degrees C, with a high reversible capacity of 500 mAh.g(-1) and ultrastable cycling for 300 cycles at 100 mu A.cm(-2), as well as high-rate endurance up to 500 mu A.cm(-2).
DOI10.1021/acsenergylett.0c00383
WOS KeywordMETAL-INDUCED CRYSTALLIZATION ; CRYSTAL-STRUCTURE ; ION CONDUCTION ; IRON FLUORIDE ; LI ; ELECTROLYTE ; INTERFACE ; TEMPERATURE ; STABILITY ; CATHODES
Language英语
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels ; Science & Technology - Other Topics ; Materials Science
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28148
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, Y,Meng, JW,Chen, KY,et al. Garnet-Based Solid-State Lithium Fluoride Conversion Batteries Benefiting from Eutectic Interlayer of Superior Wettability[J]. ACS ENERGY LETTERS,2020(4):1167.
APA Zhang, Y,Meng, JW,Chen, KY,Wu, H,Hu, JL,&Li, CL.(2020).Garnet-Based Solid-State Lithium Fluoride Conversion Batteries Benefiting from Eutectic Interlayer of Superior Wettability.ACS ENERGY LETTERS(4),1167.
MLA Zhang, Y,et al."Garnet-Based Solid-State Lithium Fluoride Conversion Batteries Benefiting from Eutectic Interlayer of Superior Wettability".ACS ENERGY LETTERS .4(2020):1167.
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