Surface coating of LiMn2O4 cathodes with garnet electrolytes for improving cycling stability of solid lithium batteries

doi:10.1039/c9ta11203k

SIC OpenIR

	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 Publication	JOURNAL OF MATERIALS CHEMISTRY A
ISSN	2050-7488
Issue	8 Pages:4252
Subtype	Article
Abstract	Spinel 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.
DOI	10.1039/c9ta11203k
WOS Keyword	ATOMIC LAYER DEPOSITION ; ELECTROCHEMICAL PERFORMANCE ; ELEVATED-TEMPERATURE ; RATE CAPABILITY ; COATED LIMN2O4 ; STATE LITHIUM ; SPINEL ; LINI0.5MN1.5O4 ; CONDUCTIVITY ; INTERFACES
Language	英语
WOS Research Area	Chemistry ; Energy & Fuels ; Materials Science
Publisher	ROYAL SOC CHEMISTRY
Citation statistics
Document Type	期刊论文
Identifier	http://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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