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Preparation of[Li1+xAlxTi2-x(PO4)3]solid electrolyte in lithium-air batteries |
SHENG Chao-yu,HUANG Zhe,SHAO Hui-ping,ZHENG Hang |
Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China |
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Abstract The[Li1+xAlxTi2-x(PO4)3]solid electrolyte in lithium-air batteries was prepared by solid phase sintering method. The Li2CO3, AI2O3, TiO2, NH4H2PO4 were used as raw materials. The properties of the electrolyte were studied by changing the different[x]and sintering temperature. The structure and properties of the electrolyte were characterized by XRD, SEM and EIS. The results show that pure LATP is prepared when[x=0.2.]The conductivity of LATP at the room temperature is 4.89×10-5 S/cm when the sintering process is sintering at 350 ℃ for 2 h, at 600 ℃ for 2 h and at 1 000 ℃ for 8 h.
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Received: 11 March 2016
Published: 09 June 2017
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