Tailoring LATP Solid-State Electrolyte through Composite Formation with Lithium Salt /

Abstract

Ionic conductivity is critical to the long-term reliability of electrolytes in solid-state batteries. The subject of current study is Li1+xAlxTi2-x(PO4)3 (LATP), a material whose conductivity indicates that it has a lot of potential. We looked studied the effects of different sintering times at a certain temperature. The LATP solid-state electrolyte's pure phase was confirmed using XRD. Before and after the CCD procedure, the composite solid electrolyte was subjected to scanning electron microscopy (SEM). This analysis clarifies that there is an enlargement of the contact area at the interface between the solid-state electrolyte (SSE) and the lithium metal. The expansion is ascribed to the deformation that is taking place at the contact in the lithium metal. Impedance tests were conducted, primarily to assess the ionic conductivity of LATP samples combined with different proportions of lithium salt. The results of the impedance tests indicated that the LATP composite with 12% lithium salt exhibited the highest ionic conductivity of 3.01 x 10-3.