Li+ NASICON nanocrystallites in ionic glasses: A potential nano composite system for all-solid-state Li+ ion batteries

In order to prepare a suitable oxide based solid electrolyte for Li+ ion batteries, Li+ NASICON LATP nanocrystallites [LiAl0.3Ti1.7(PO4)3] have been externally dispersed in fast ionic oxide glassy system, viz, 60[Li2SO4]-40[Li2O-P2O5]. To prepare this novel composite, milling assisted synthesis rout...

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Bibliographic Details
Main Authors: Sharma, Neelakshi, Dalvi, Anshuman
Format: Conference Proceeding
Language:English
Subjects:
Ball milling
Crystallites
Electrical properties
Electrical resistivity
Glass
Lithium ions
Lithium oxides
Nanocrystals
Phosphorus pentoxide
Rechargeable batteries
Solid electrolytes
Solid state
X-ray diffraction
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Summary:In order to prepare a suitable oxide based solid electrolyte for Li+ ion batteries, Li+ NASICON LATP nanocrystallites [LiAl0.3Ti1.7(PO4)3] have been externally dispersed in fast ionic oxide glassy system, viz, 60[Li2SO4]-40[Li2O-P2O5]. To prepare this novel composite, milling assisted synthesis route was adopted in which ionic glass and LATP were separately ball milled, subsequently mixed and pelletized. The present work reports that even for a very small amount of LATP (1 wt%) in the mixture, the conductivity exhibits a significant enhancement. Structural and electrical properties of the composite with a typical composition of 1%(LATP)-99%(60LSLP) have been reported. X-ray diffraction confirmed that milling leads to reduction in the size of both the glass grains and the LATP crystallites. These novel composites have been found to be potential candidates for all solid-state battery applications.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5113389