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Surface coating of LiMn2O4 cathodes with garnet electrolytes for improving cycling stability of solid lithium batteries
Bi, ZJ; Zhao, N; Ma, LN; Shi, C; Fu, ZQ; Xu, FF; Guo, XX
2020-02-28
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
Issue8Pages:4252
SubtypeArticle
AbstractSpinel lithium manganese oxide (LiMn2O4) is an attractive cathode material, and has advantages including low cost, environmental friendliness, and easy synthesis as well as shortcomings including inferior cycling stability at elevated temperatures above 55 degrees C. In this work, LiMn2O4 cathodes are coated with Li6.375La3Zr1.375Nb0.625O12 (LLZNO) electrolytes. Such cathodes in solid batteries consisting of garnet ceramic electrolytes and Li anodes exhibit a discharge capacity retention of 81.3% after 100 cycles at 0.2C and 55 degrees C. This superior performance is attributed to the unique interface between LiMn2O4 and LLZNO, which is not only ionically conductive but also helpful to suppress Mn reactivity.
DOI10.1039/c9ta11203k
WOS KeywordATOMIC LAYER DEPOSITION ; ELECTROCHEMICAL PERFORMANCE ; ELEVATED-TEMPERATURE ; RATE CAPABILITY ; COATED LIMN2O4 ; STATE LITHIUM ; SPINEL ; LINI0.5MN1.5O4 ; CONDUCTIVITY ; INTERFACES
Language英语
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28280
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. Surface coating of LiMn2O4 cathodes with garnet electrolytes for improving cycling stability of solid lithium batteries[J]. JOURNAL OF MATERIALS CHEMISTRY A,2020(8):4252.
APA Bi, ZJ.,Zhao, N.,Ma, LN.,Shi, C.,Fu, ZQ.,...&Guo, XX.(2020).Surface coating of LiMn2O4 cathodes with garnet electrolytes for improving cycling stability of solid lithium batteries.JOURNAL OF MATERIALS CHEMISTRY A(8),4252.
MLA Bi, ZJ,et al."Surface coating of LiMn2O4 cathodes with garnet electrolytes for improving cycling stability of solid lithium batteries".JOURNAL OF MATERIALS CHEMISTRY A .8(2020):4252.
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