Study of Study of electrical properties of gallium-doped lithium titanium aluminum phosphate compounds

Effect of doping gallium is studied, and thereby, its consequence on the electrical properties of lithium-based Li1.3Al0.3 -aEuro parts per thousand x Ga (x) Ti-1.7(PO4)(3) (LAGTP) system (where x = 0.01, 0.03, 0.05, and 0.07) is reported. X-ray diffraction (XRD) data is used to interpret the micro-structural properties. Electrical properties of Li+ ion are studied using impedance spectroscopy in the microwave frequency range of 32 MHz to 1 Hz. The effect on Li+ conductivity was studied in a temperature range 303 to 423 K. It was found that the gallium doping enhanced the conductivity of Li+ ions. The maximum Li+ conductivity of similar to 4 x 10(-3) S/cm was observed for gallium-doped samples at 413 K. The factors affecting the Li+ conductivity are discussed using the results from XRD patterns and impedance spectroscopy.