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

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Abstract

Effect of doping gallium is studied, and thereby, its consequence on the electrical properties of lithium-based Li1.3Al0.3 − x Ga x Ti1.7(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 ∼4 × 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.

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Authors and Affiliations

  1. Solid State Ionics & Glass Research Laboratory, Department of Physics, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat, 390002, India

    Dharmesh H. Kothari & D. K. Kanchan

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  1. Dharmesh H. Kothari
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  2. D. K. Kanchan
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Correspondence to D. K. Kanchan.

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Kothari, D.H., Kanchan, D.K. Study of Study of electrical properties of gallium-doped lithium titanium aluminum phosphate compounds. Ionics 21, 1253–1259 (2015). https://doi.org/10.1007/s11581-014-1287-9

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  • DOI: https://doi.org/10.1007/s11581-014-1287-9

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