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直接原子分辨率观察锂离子电池 Li(1.2)Mn(0.567)Ni(0.166)Co(0.067)O2 正极材料中的两相

Direct atomic-resolution observation of two phases in the Li(1.2)Mn(0.567)Ni(0.166)Co(0.067)O2 cathode material for lithium-ion batteries.

机构信息

Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Umezono 1-1-1, Tsukuba, 305-8568, Japan.

出版信息

Angew Chem Int Ed Engl. 2013 Jun 3;52(23):5969-73. doi: 10.1002/anie.201301236. Epub 2013 Apr 24.

DOI:10.1002/anie.201301236
PMID:23616487
Abstract

About phase: The coexistence of rhombohedral LiTMO2 (TM=Ni, Co, or Mn) and monoclinic Li2MnO3-like structures inside Li1.2Mn0.567Ni0.166Co0.067O2 is revealed directly at atomic resolution. The hetero-interface along the [001]rh/[103]mon zone axis direction is demonstrated, indicating the two-phase nature of these lithium-rich cathode materials (green Li, blue Mn, red O, cyan TM).

摘要

关于相

在 Li1.2Mn0.567Ni0.166Co0.067O2 中直接以原子分辨率揭示了菱面体 LiTMO2（TM=Ni、Co 或 Mn）和单斜 Li2MnO3 类结构的共存。沿[001]rh/[103]mon 区轴方向的异质界面得到了证明，表明这些富锂正极材料具有两相性质（绿色 Li、蓝色 Mn、红色 O、青色 TM）。

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