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Interface engineering on cathode side for solid garnet batteries
Bi, ZJ; Zhao, N; Ma, LN; Fu, ZQ; Xu, FF; Wang, CS; Guo, XX
2020-05-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
SubtypeArticle
AbstractThe garnet solid electrolyte battery confronts crucial challenges of electronic/ionic conduction inside the cathode and interfacial contact between the cathode and the electrolyte. In this report, a super ion/electron conductive LiCoO2 (LCO) material is fabricated by partially coating nano Li6.375La3Zr1.375Nb0.625O12 (LLZNO) electrolyte on LCO and then filling Super P carbons into the uncoated space. This configuration offers continuous ionically and electronically conducting networks inside the LCO cathode. In addition, an intermediate layer of N-Methyl-N-propylpiperidinium bis(trifluoromethanesulfonyl)imide (PP13-TFSI) is introduced in between the composite cathode and the garnet electrolyte to form a solid-state ionically conducting interphase during charge/discharge cycles. Through the above interfacial engineering, the solid garnet batteries based on LiCoO2 run as long as 400 cycles with the capacity retention of 80.2% at 0.2 C and 60 degrees C.
DOI10.1016/j.cej.2020.124089
WOS KeywordLITHIUM BATTERIES ; STATE ELECTROLYTE ; LAYER FORMATION ; IONIC LIQUID ; LI ; PERFORMANCE ; TEMPERATURE ; ANODES ; ISSUES
Language英语
WOS Research AreaEngineering
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28093
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Bi, ZJ,Zhao, N,Ma, LN,et al. Interface engineering on cathode side for solid garnet batteries[J]. CHEMICAL ENGINEERING JOURNAL,2020.
APA Bi, ZJ.,Zhao, N.,Ma, LN.,Fu, ZQ.,Xu, FF.,...&Guo, XX.(2020).Interface engineering on cathode side for solid garnet batteries.CHEMICAL ENGINEERING JOURNAL.
MLA Bi, ZJ,et al."Interface engineering on cathode side for solid garnet batteries".CHEMICAL ENGINEERING JOURNAL (2020).
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