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Journal Article
Tailored Perovskite Li0.33La0.56TiO3 via an Adipic Acid-assisted Solution Process: A Promising Solid Electrolyte for Lithium Batteries
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- Authors
- Hyun Jun Choi, So Young Kim, Min Kyung Gong, Hari Vignesh, Vanchiappan Aravindan, Young Gi Lee, Yun-Sung Lee
- Issue Date
- 2017-12
- Citation
- Journal of Alloys and Compounds, v.729, pp.338-343
- ISSN
- 0925-8388
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- We prepared and optimized the ionically conducting perovskite-type Li0.33La0.56TiO3 by an adipic acid-assisted sol-gel process. A high ionic conductivity of 0.131 mS cm?닋1 was obtained at an ambient temperature by adjusting the synthesis temperature, holding time, and cooling process. A dramatic improvement in the Li0.33La0.56TiO3 conductivity was noted in each step. Interestingly, a tetragonal-to-cubic structural transition was evident during the quenching process unlike in the conventional slow cooling process. An increase in the bottleneck site volume was observed that facilitated Li+ ion migration for enhanced conductivity.
- KSP Keywords
- Adipic acid(AA), Ambient Temperature, Cooling process, Enhanced conductivity, High ionic conductivity, Holding time, Lithium battery, Perovskite-type, Slow cooling, Solid electrolyte, ion migration