The relationship of structural and electrochemical properties of NASICON structure Li1.3Al0.3Ti1.7 (PO4)(3) electrolytes by a sol-gel method
- Authors
- Yoon, Yongsub; Kim, Junghoon; Park, Chanhwi; Shin, Dongwook
- Issue Date
- Aug-2013
- Publisher
- KOREAN ASSOC CRYSTAL GROWTH, INC
- Keywords
- NASICON-type electrolytes; Li1.3Al0.3Ti1.7(PO4)(3) (LATP); sol-gel process
- Citation
- Journal of Ceramic Processing Research, v.14, no.4, pp.563 - 566
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Journal of Ceramic Processing Research
- Volume
- 14
- Number
- 4
- Start Page
- 563
- End Page
- 566
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/162269
- DOI
- 10.36410/jcpr.2013.14.4.563
- ISSN
- 1229-9162
- Abstract
- Lithium ion conducting NASICON-type electrolytes of general formula Li1.3Al0.3Ti1.7(PO4)(3) (LATP) are fabricated by a citric acid-supported sol-gel process and analyzed for thermal stability, microstructure, crystalline phases. From these structural analyses, the relationship of microstructural changes and electrochemical properties is investigated. It is demonstrated that the sol-gel method enable to obtain pure LATP crystals at a lower temperature in a shorter synthesis time compared to conventional solid state reaction or glass-ceramics processes. The dense electrolyte pellets are prepared from the LATP nano-powders by sintering at 900 degrees C for 3 hours, and a room temperature conductivity of 7.8 x 10(-5) S/cm and activation energy of 38.2 KJ/mol was obtained.
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