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Li 3.4 V 0.6 Si 0.4 O 4 (LVSO) ceramic electrolyte was synthesized using solid state reaction method by mixing Li 4 SiO 4 and Li 3 VO 4 in 40:60 molar ratio. LiBO 2 glass was added to LVSO ceramic sample to study its effect on sintering temperature and ionic conductivity. It has been observed that with 1wt% glass addition the density of the ceramic increased and beyond 1wt% glass content it decreased. Further, the glass addition reduced the sintering temperature of the ceramic by 350 • C and increased the ionic conductivity by more than two and half orders of magnitude. The ceramic sample with 1wt% LiBO 2 glass, sintered at 700 • C has the highest ionic conductivity of 6.13 × 10 −5 Scm −1 at ambient temperature. This ceramic composition has a potential for being used as solid electrolyte for solid state battery.