Abstract
Solid-state thin-film lithium-ion battery of LiMn2O4/Li1.3Al0.3Ti1.7(PO4)3/LiMn2O4 is prepared by spray technique using Li1.3Al0.3Ti1.7(PO4)3 sintered pellet as both electrolyte and substrate. The thin-film battery is heat-treated by rapid thermal annealing. Phase identification, morphology and electrochemical properties of the sintered pellets and thin-film battery are investigated by X-ray diffraction, scanning electron microscopy, electrochemical impedance spectroscopy, cyclic voltammetry, and galvanostatic charge-discharge experiments, respectively. The results show that LiMn2O4 films with some pores are well deposited on the surface of Li1.3Al0.3Ti1.7(PO4)3 sintered pellet. The discharge current density and temperature have considerable effect on discharge capacity of the thin-film battery. LiMn2O4/Li1.3Al0.3Ti1.7(PO4)3/LiMn2O4 thin-film battery can be easily cycled with a capacity loss of 0.213% per cycle when 50 cycles are carried out.
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Published in Russian in Elektrokhimiya, 2011, Vol. 47, No. 8, pp. 980–985.
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Wu, X.M., Liu, J.L., Li, R.X. et al. Preparation and characterization of LiMn2O4/Li1.3Al0.3Ti1.7(PO4)3/LiMn2O4 thin-film battery by spray technique. Russ J Electrochem 47, 917–922 (2011). https://doi.org/10.1134/S1023193511080179
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DOI: https://doi.org/10.1134/S1023193511080179