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Li1.2Zr1.9Ca0.1(PO4)3, a room-temperature Li-ion solid electrolyte

✍ Scribed by Hui Xie; John B. Goodenough; Yutao Li

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
470 KB
Volume
196
Category
Article
ISSN
0378-7753

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✦ Synopsis

Substitution of 5% of Zr by Ca in LiZr 2 (PO 4 ) 3 transforms the structure to that of rhombohedral NASICON to give a room-temperature bulk Li-ion conductivity Li β‰ˆ 1.2 Γ— 10 -4 S cm -1 , which is comparable to that of Li 1.3 Ti 1.7 Al 0.3 (PO 4 ) 3 now being used as a solid Li-ion separator in test cells of novel Li-ion batteries.

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Surface and impedance spectroscopy studies of Li2.8Sc1.8βˆ’yYyZr0.2(PO4)3 (where y = 0, 0.1) solid electrolyte ceramics
✍ T. Ε alkus; A. KeΕΎionis; V. KazlauskienΔ—; J. MiΕ‘kinis; A. Dindune; Z. Kanepe; J. πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 416 KB

The solid electrolyte Li 2.8 Sc 1.8-y Y y Zr 0.2 (PO 4 ) 3 (where y = 0, 0.1) compounds were synthesized by a solid state reaction and studied by X-ray diffraction. At room temperature the compounds belong to orthorhombic symmetry (space group Pbcn) with four formula units in the unit cell. Elementa