Solid state lithium ionic conducting thin film Li1.4Al 0.4Ge1.6(PO4)3 prepared by tape casting

Ming Zhang, Zheng Huang, Junfang Cheng, Osamu Yamamoto, Nobuyuki Imanishi, Bo Chi*, Jian Pu, Jian Li

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)


Solid-state lithium ionic conducting ceramic thin film Li 1.4Al0.4Ge1.6(PO4)3 is prepared by tape casting method. The thermal decomposition of the green tape is investigated by TG/DTA analysis. And the sintering parameters are optimized in air. The resultant sample shows a total lithium ionic conductivity of 3.38 × 10-4 S cm-1 at 25°C and activation energy of 30.57 kJ mol-1. The thickness of the tape sheet can be controlled to be about 75 μm. The ionic conductivity of the prepared sample reported in this study is comparable with those reported for commercial LATP plate, showing the potential application for lithium-air batteries.

Original languageEnglish
Pages (from-to)147-152
Number of pages6
JournalJournal of Alloys and Compounds
Publication statusPublished - 2014 Mar 25
Externally publishedYes


  • LAGP
  • Lithium air batteries
  • Solid electrolyte
  • Tape casting
  • Water stable lithium electrolyte

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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