Solid lithium ion conducting composites based on LiTi2(PO4)3 and Li2.9B0.9S0.1O3.1 glass

The LiTi2(PO4)3–based ceramic composites with addition of Li2.9B0.9S0.1O3.1 (LBSO) were formed and investigated by means of X–ray diffractometry, thermogravimetry, scanning electron microscopy, impedance spectroscopy and density methods. Significant enhancement of total ionic conductivity of the for...

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Bibliographic Details
Published inSolid state ionics Vol. 322; pp. 93 - 99
Main Authors Kwatek, K., Nowiński, J.L.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.09.2018
Subjects
Composite
Grain boundary
Impedance spectroscopy
LTP
Solid electrolyte
LTP
Impedance spectroscopy
Composite
Solid electrolyte
Grain boundary
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Summary:The LiTi2(PO4)3–based ceramic composites with addition of Li2.9B0.9S0.1O3.1 (LBSO) were formed and investigated by means of X–ray diffractometry, thermogravimetry, scanning electron microscopy, impedance spectroscopy and density methods. Significant enhancement of total ionic conductivity of the formed composites could be observed after sintering the material at high temperatures. The maximum conductivity of 1.79 × 10−4 S·cm−1 at 30 °C was achieved for the LTP–0.3LBSO material sintered at 900 °C compared to 5.15 × 10−8 S·cm−1 of the ceramic LTP. •The new LTP–based composites containing LBSO glass are presented.•Addition of LBSO glass enhance total ion conductivity up to four orders of magnitude.•Enhancement of total ionic conductivity was due to modification of microstructure.•Transport of lithium ions could be attributed to two media: grains and grain boundaries.
ISSN:0167-2738
1872-7689
DOI:10.1016/j.ssi.2018.05.007