LiMn0.75Fe0.25PO4弛豫过程中非平衡Li插入路径的观察

ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI:10.1149/2.0031503EEL

Yoshinori Satou, S. Komine, S. Takai, T. Yao

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引用次数: 8

摘要

详细观察了弛豫时间内LiMn0.75Fe0.25PO4的XRD谱图。我们发现在弛豫过程中富锂的峰位置向低角度移动。我们还发现，在插入锂后，富锂相和贫锂相峰位中点附近的强度立即下降，富锂相周围强度下降的延迟。我们认为这是由于磷酸锰铁锂特有的晶体结构造成的。

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Non-Equilibrium Li Insertion Paths in LiMn0.75Fe0.25PO4 Observed during the Relaxation Process

We observed in detail the XRD profiles of LiMn0.75Fe0.25PO4 taken during the relaxation time. We founded the peak position of the Li-rich phase shifted to lower angles during the relaxation process. We also founded that the intensity around the midpoint between the peak positions of the Li-rich phase and that of the Li-lean phase decreased immediately after the lithium insertion and the delay of the decrease in the intensity around the Li-rich phase. We consider that these happened due to the crystal structure peculiar to the lithium manganese iron phosphate.

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ECS Electrochemistry Letters ELECTROCHEMISTRY-MATERIALS SCIENCE, MULTIDISCIPLINARY

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