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Building an artificial solid electrolyte interphase on spinel lithium manganate for high performance aqueous lithium-ion batteries
Dong, WJ; Huang, XY; Jin, Y; Xie, M; Zhao, W; Huang, FQ
2020-06-28
Source PublicationDALTON TRANSACTIONS
ISSN1477-9226
Issue24Pages:8136
SubtypeArticle
AbstractSpinel lithium manganate (LiMn2O4) is a promising cathode for aqueous lithium-ion batteries (ALIBs). However, due to Mn dissolution and the Jahn-Teller effect it suffers from fast capacity fading, insufficient rate capability, and low overcharge resistance. Herein, a similar to 2-3 nm artificial solid electrolyte interphase (SEI) layer (lithium polyacrylate, LiPAA) is constructed on the commercial LiMn2O4(LiPAA@LiMn2O4). It is realized by anin situpolymerization hydrothermal reaction using an acrylic monomer. This artificial SEI layer can separate the electrode and aqueous electrolyte, thus suppressing Mn dissolution and the Jahn-Teller effect of LiMn2O4. Electrochemical analyses also suggest it may work as the Li(+)conductor/reservoir to improve the Li(+)diffusion coefficient of the electrode. Consequently, as the cathode of ALIBs, LiPAA@LiMn(2)O(4)harvests a high capacity of 119 mA h g(-1)at 0.6C, high rate capability (70 mA h g(-1)at 12C), better durability (85.5%@100 cycles) and superior overcharge resistance.
DOI10.1039/d0dt00901f
WOS KeywordCATHODE MATERIAL ; LIMN2O4 ; DEPOSITION
Language英语
WOS Research AreaChemistry
PublisherROYAL SOC CHEMISTRY
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27951
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Dong, WJ,Huang, XY,Jin, Y,et al. Building an artificial solid electrolyte interphase on spinel lithium manganate for high performance aqueous lithium-ion batteries[J]. DALTON TRANSACTIONS,2020(24):8136.
APA Dong, WJ,Huang, XY,Jin, Y,Xie, M,Zhao, W,&Huang, FQ.(2020).Building an artificial solid electrolyte interphase on spinel lithium manganate for high performance aqueous lithium-ion batteries.DALTON TRANSACTIONS(24),8136.
MLA Dong, WJ,et al."Building an artificial solid electrolyte interphase on spinel lithium manganate for high performance aqueous lithium-ion batteries".DALTON TRANSACTIONS .24(2020):8136.
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