Journal
CHEMISTRY OF MATERIALS
Volume 24, Issue 2, Pages 287-293Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm202773d
Keywords
solid electrolyte; battery; LATP; solid state NMR
Funding
- U.S. Department of Energy [DE-AC02-06CH11357]
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High conductivity solid electrolytes are promising solutions for extremely high energy density battery systems including Li/air and Li/sulfur. Lithium aluminum titanium phosphate (LATP) ceramics have among the highest reported ionic conductivities and are promising candidates as solid electrolytes. Li1.3Al0.3Ti1.7(PO4)(3) powders were synthesized for the first time via a solution-based method at synthesis temperatures as low as 650 degrees C. The ceramic powders are characterized using X-ray powder diffraction, solid state magic angle spinning (MAS) nuclear magnetic resonance (NMR), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The effect of Li and Al local structure and the presence of amorphous and crystalline impurities on electrolyte morphology and sinterability have been studied in detail.
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