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首页> 外文期刊>Journal of industrial and engineering chemistry >Ionic conductivity of Ga-doped LLZO prepared using Couette-Taylor reactor for all-solid lithium batteries
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Ionic conductivity of Ga-doped LLZO prepared using Couette-Taylor reactor for all-solid lithium batteries

机译：使用Couette-Taylor反应器用于全固体锂电池制备的GA掺杂LLZO的离子电导率

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A Couette-Taylor reactor and a batch reactor were used to synthesize garnet-related LLZO materials (Li7-3xMxLa3Zr2O12, M = Ga, Al) for all-solid batteries, and the properties of the resulting samples were compared. Ga-doped LLZO synthesized with the Couette-Taylor reactor comprised cubic phase primary nanoparticles; the calculated lattice parameter and crystallite size for the Couette-Taylor and batch reactor samples were a = 12.98043 angstrom and 129.8 nm and a = 12.97568 angstrom and 394.5 nm, respectively. The parameters for the Al-doped LLZO congener synthesized with the Couette-Taylor reactor were a = 13.10758 angstrom, c = 12.67279 angstrom, and 132.5 nm. The cross-section of the Ga-doped LLZO pellet synthesized with the Couette-Taylor reactor showed a denser microstructure than that of the other pellets, with a relative density of 98%. The total ionic conductivity of the Ga-doped LLZO pellets synthesized with the Couette-Taylor reactor was 1.2-1.75 x 10(-3)S/cm at 25 degrees C. This value contrasts sharply with that of the sample from the batch reactor (3.9 x 10(-4) S/cm). This is may be related to the large size of Ga doped into the LLZO crystallite structure and the primary nanoparticles, which promoted sintering of the pellet. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：使用Coute-Taylor反应器和间歇式反应器合成全固体电池的石榴石相关的LLZO材料（Li7-3xmxLa3zR2O12，M = Ga，Al），比较所得样品的性质。通过Coute-Taylor反应器合成的GA掺杂的LLZO，包括Coupet-Taylor反应器，包括立方相初级纳米颗粒; Coute-taylor和批量反应器样品的计算的晶格参数和微晶尺寸分别为= 12.98043埃和129.8nm，A = 12.97568埃和394.5nm。用Coute-Taylor反应器合成的Al-掺杂LLZO Congener的参数是A = 13.10758埃，C = 12.67279 Angstrom，132.5nm。用Coute-taylor反应器合成的Ga掺杂的LLZO沉淀的横截面显示比其他颗粒的微观结构更密度为98％。用Coute-taylor反应器合成的Ga掺杂的LLZO粒料的总离子电导率为1.2-1.75×10（-3）S / cm，在25℃下。该值与批量反应器的样品的急剧形成鲜明对比（ 3.9 x 10（-4）s / cm）。这可能与掺杂进入LLZO微晶结构和促进颗粒烧结的初级纳米颗粒的大尺寸Ga有关。 （c）2017年韩国工程和工程化学学会。 elsevier b.v出版。保留所有权利。

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