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Stable LATP/LAGP double-layer solid electrolyte prepared via a simple dry-pressing method for solid state lithium ion batteries
Zhao, Erqing1; Ma, Furui1,2; Guo, Yudi3; Jin, Yongcheng1
2016
Source PublicationRSC ADVANCES
Volume6Issue:95Pages:92579-92585
SubtypeArticle
AbstractIn this paper, a NASICON-type Li1.3Al0.3Ti1.7(PO4)(3) (LATP)/Li1.3Al0.3Ge1.7(PO4)(3) (LAGP) bi-layer structured solid state electrolyte was successfully prepared via a simple dry pressing and post-calcination method. By adjusting the sintering temperature for LAGP starting materials, a dense and smooth LATP/LAGP double-layer solid state electrolyte with no defects was obtained. This electrolyte sample exhibits a high electrical conductivity of 3.4 x 10(-4) S cm(-1) and a negligible electronic conductivity of 9.6 x 10(-9) S cm(-1) at room temperature. In addition, the LATP/LAGP electrolyte also shows an excellent stability in air as well as chemical stability against Li. Moreover, an assembled LiFePO4/LATP-LAGP/Li coin-type battery employing LATP/LAGP as the solid state electrolyte can be suitably charged and discharged at a current rate of 0.1C at room temperature, and its low charge-discharge capacities are mainly attributed to the high electrolyte/electrode interfacial resistance of the cell. These results suggest that the LATP/LAGP bilayer electrolyte can be an alternative electrolyte for all-solid-state lithium-ion batteries.
DOI10.1039/c6ra19415j
Indexed BySCI
Language英语
WOS IDWOS:000385389800052
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136161
Collection海洋环境腐蚀与与生物污损重点实验室
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Key Lab Solar Energy Utilizat & Energy St, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Erqing,Ma, Furui,Guo, Yudi,et al. Stable LATP/LAGP double-layer solid electrolyte prepared via a simple dry-pressing method for solid state lithium ion batteries[J]. RSC ADVANCES,2016,6(95):92579-92585.
APA Zhao, Erqing,Ma, Furui,Guo, Yudi,&Jin, Yongcheng.(2016).Stable LATP/LAGP double-layer solid electrolyte prepared via a simple dry-pressing method for solid state lithium ion batteries.RSC ADVANCES,6(95),92579-92585.
MLA Zhao, Erqing,et al."Stable LATP/LAGP double-layer solid electrolyte prepared via a simple dry-pressing method for solid state lithium ion batteries".RSC ADVANCES 6.95(2016):92579-92585.
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