2018
DOI: 10.1149/2.0521811jes
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Ionic Conductivity of Li3.4V0.6Si0.4O4Ceramic Containing LiBO2Glass as Solid Electrolyte

Abstract: 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 ioni… Show more

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Cited by 4 publications
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“…The B-O bond length is 1.33-3.723 Å and the average bond length is 1.679 Å . In the NCA, the M-O average bond length is 2.197 Å , so the BO octahedral structure in the LiBO 2 structure is more stable [43] . The Rietveld refinement results of XRD patterns of NCA and RS-NCA samples use GSAS software are exhibited in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The B-O bond length is 1.33-3.723 Å and the average bond length is 1.679 Å . In the NCA, the M-O average bond length is 2.197 Å , so the BO octahedral structure in the LiBO 2 structure is more stable [43] . The Rietveld refinement results of XRD patterns of NCA and RS-NCA samples use GSAS software are exhibited in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The study on γ-LVO-based anode materials has further gained momentum since the first report on electrochemical performances of γ-Li 3+x V 1-x Si x O 4 in 2018. 30 The crystal structure of γ-LVO, an analogue of γ-Li 3 PO 4 , consists of a three-dimensional corner-shared network of LiO 4 and VO 4 tetrahedra with interstitial (vacant) octahedral sites, showing a high Li + conductivity (10 -7 -10 -5 S cm -1 ) [31][32][33] owing to weakened Li-O bonds. 34 Theoretical capacity for LVO is 394 mAh g -1 based on the two-electron reaction of vanadium (V 5+ /V 3+ ) 29 with an optimal reaction potential (0.4-1.3 V vs Li/Li + ), 30,35 leading to a relatively high cell voltage while maintaining a sufficient margin for Li-metal deposition at 0 V vs Li/Li + .…”
mentioning
confidence: 99%