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  4. Li-ion conducting solid electrolytes
 
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2014
Conference Paper
Title

Li-ion conducting solid electrolytes

Abstract
Solid electrolytes for Li-ion batteries offer large potential to obtain safe batteries and avoid internal short cuts as also high thermal stability. Suitable compositions are offered in the Li1+xAlxTi 2-x(PO4)3-system. Within this study glasses with varying TiO2 to Li2O and Al2O3 ratios were molten and crystallised by selected heat treatments and characterised. The crystalline phases are lithium analogues of the NaSICON-Structure. Impedance spectroscopic measurements were carried out for determining ionic conductivities with respect to the chemical compositions, crystallising conditions and temperature. The results prove pure ionic conductivity up to 1.6BL10-4 S/cm. Solid electrolytes for Li-ion batteries offer large potential to obtain safe batteries and avoid internal short cuts as also high thermal stability. Suitable compositions are offered in the Li1+xAlxTi 2-x(PO4)3-system. Within this study glasses with varying TiO2 to Li2O and Al2O3 ratios were molten and crystallised by selected heat treatments and characterised. The crystalline phases are lithium analogues of the NaSICON-Structure. Impedance spectroscopic measurements were carried out for determining ionic conductivities with respect to the chemical compositions, crystallising conditions and temperature. The results prove pure ionic conductivity up to 1.6BL10-4 S/cm.
Author(s)
Rost, Axel  orcid-logo
Schilm, Jochen  orcid-logo
Kusnezoff, Mihails  
Michaelis, Alexander  orcid-logo
Mainwork
Ceramic materials for energy applications III  
Conference
International Conference on Advanced Ceramics and Composites (ICACC) 2013  
Language
English
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS  
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