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首页> 外文会议>Electronics Division Meeting of the Ceramic Society of Japan >Preparation of High Lithium Ion Conductive Glass-ceramics Solid Electrolytes in the LiTi_2(PO_4)_3 System by the Mechanochemical Method and Their Application as Coating Materials of LiCoO_2
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Preparation of High Lithium Ion Conductive Glass-ceramics Solid Electrolytes in the LiTi_2(PO_4)_3 System by the Mechanochemical Method and Their Application as Coating Materials of LiCoO_2

机译：用机械化学方法制备LITI_2（PO_4）_3系统中的高锂离子导电玻璃 - 陶瓷固体电解质及其应用作为LICOO_2的涂料

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摘要

Amorphous fine powder in the Li_2O-Al_2O_3-TiO_2-P_2O_5 (LATP) system were prepared directly from a mixture of Li_2O, Al_2O_3, TiO_2, and P_2O_5 as starting materials using a mechanical milling technique at room temperature. LATP glass-ceramics were obtained by heat treatment of the mechanochemically prepared amorphous powder over the crystallization temperature. X-ray diffraction peaks due to LiTi_2(PO_4)_3 and AIPO_4 crystals for LATP glass-ceramics were observed. Thus, high lithium ion conducting LATP glass-ceramics solid electrolytes were prepared successfully from the mechanochemically prepared amorphous powder. The LATP glass-ceramic fine particles were investigated as coating materials of LiCoO_2 cathode in lithium ion batteries. The LATP glass-ceramics coated LiCoO_2 electrode materials exhibited a good charge-discharge performance for charging up to a high voltage (4.5 V vs. Li/Li~+).
机译：Li_2O-Al_2O_3-TiO_2-P_2O_5（LATP）系统中的无定形细粉末由Li_2O，Al_2O_3，TiO_2和P_2O_5的混合物中使用在室温下使用机械铣削技术的原料制备。通过在结晶温度下热处理机械化学制备的无定形粉末获得LatP玻璃陶瓷。观察到由于LITI_2（PO_4）_3和LATP玻璃陶瓷的XIPO_4晶体引起的X射线衍射峰。因此，从机械化学制备的无定形粉末成功制备高锂离子传导Latp玻璃陶瓷固体电解质。研究了LatP玻璃陶瓷细颗粒作为LiCoO_2阴极的涂料材料在锂离子电池中。 LATP玻璃陶瓷涂覆的LiCoO_2电极材料表现出良好的充电放电性能，用于充电至高电压（4.5V与Li / Li +）。

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