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首页> 外文期刊>Der Pharma Chemica: journal for medicinal chemistry, pharmaceutical chemistry and computational chemistry >Morphological and Electrochemical Properties of LiMn2O4 Thin Films
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Morphological and Electrochemical Properties of LiMn2O4 Thin Films

机译：LiMn2O4薄膜的形貌和电化学性能

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摘要

LiMn2O4 were prepared by pulsed laser deposition technique. Two important deposition parameters such as substrate temperature and oxygen partial pressure during the thin film deposition were controlled. Systematic characterizations like RBS, SEM, TEM and electrochemical studies were performed on to the prepared samples. The SEM data demonstrated that the films exhibited a smooth surface roughness with spherical droplets. The grain size increased with the increase of substrate temperature. The electrochemical measurements were carried out on Li//LiMn2O4 cells with a lithium metal foil as anode and LiMn2O4 film as cathode of 1.5 cm2 active area. Cyclic voltammetry (CV) measurements have been carried out at sweep rate α = 1 mVs-1. Specific capacity of133 mC/cm2 μm was measured for the film grown at 700 oC.
机译：通过脉冲激光沉积技术制备了LiMn2O4。控制了两个重要的沉积参数，例如薄膜沉积过程中的衬底温度和氧分压。对制备的样品进行了系统表征，如RBS，SEM，TEM和电化学研究。 SEM数据表明该膜表现出具有球形液滴的光滑表面粗糙度。晶粒尺寸随着基板温度的升高而增加。电化学测量是在Li // LiMn2O4电池上进行的，其中锂金属箔作为阳极，LiMn2O4膜作为阴极具有1.5 cm2的有效面积。循环伏安法（CV）的测量以扫描速率α= 1 mVs-1进行。在700 oC下生长的薄膜的比容量为133 mC / cm2μm。

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