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Crystal chemical investigation of nano inclusion in LiMn2O4 cathode material of lithium ion battery

机译:锂离子电池LiMn2O4正极材料中纳米夹杂物的晶体化学研究

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In this study, LiMn2O4 was fabricated with "Nano Inclusions" and the detailed crystal structure of the sample was studied by HAADF-STEM observation with an electron beam tilted to the specimen, electron diffraction, HRTEM observation. HAADF-STEM observation and electron diffraction revealed that the "Nano Inclusions" were located within single LiMn2O4 crystals. HRTEM observation clarified that the (100) plane of LiMn2O4 and the (110) plane of ZnMn2O4 have a common cubic close-packed oxygen arrangement and connect to each other without forming grain boundaries, due to similar atomic arrangements of LiMn2O4 along the < 100 > direction and of ZnMn2O4 along the [110] and [110] direction.
机译:在这项研究中,用“纳米夹杂物”制备了LiMn2O4,并通过HAADF-STEM观察,电子束向样品倾斜,电子衍射,HRTEM观察研究了样品的详细晶体结构。 HAADF-STEM观察和电子衍射表明,“纳米夹杂物”位于单个LiMn2O4晶体内。 HRTEM观察表明,LiMn2O4的(100)平面和ZnMn2O4的(110)平面具有共同的立方紧密堆积的氧排列,并且由于沿着<100>的LiMn2O4的相似原子排列而彼此连接而没有形成晶界。方向和ZnMn2O4沿[110]和[110]方向。

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