Open AccessPreparation, Microstructure and Electrical Conductivity of LATP/LB Glass Ceramic Solid Electrolytes
Author(s) -
Jiajia Luo,
Yang Zhong,
Guohua Chen
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2101/1/012081
Subject(s) - materials science , microstructure , glass ceramic , ceramic , sintering , scanning electron microscope , fast ion conductor , ionic conductivity , electrolyte , lithium (medication) , phase (matter) , dielectric spectroscopy , electrical resistivity and conductivity , mineralogy , chemical engineering , composite material , analytical chemistry (journal) , chemistry , electrode , chromatography , electrochemistry , medicine , organic chemistry , engineering , electrical engineering , endocrinology
The Li 2 O-Al 2 O 3 -TiO 2 -P 2 O 5 system glass ceramic solid electrolytes were prepared by adding Li 3 BO 3 (LB) frits. The phase composition, microstructure and electrical properties of glass ceramics were investigated by using X-ray diffraction, scanning electron microscopy and AC impedance spectroscopy. The results show that the principal crystalline phase of all glass ceramic samples was LiTi 2 (PO 4 ) 3 . The grain sizes of glass ceramic sample increase with the increase of sintering temperature. When the additive amount of LB is 1wt %, the glass ceramic solid electrolyte sintered at 950 o C shows the highest room-temperature ionic conductivity of 1.9×10 −4 S.cm −1 , which can be expected to be used in solid-state lithium-ion batteries.