A new variety of LiMnO2 with a layered structure

被引：281

作者：

Capitaine, F

Gravereau, P

Delmas, C

机构：

[1] CNRS,INST CHIM MAT CONDENSEE BORDEAUX,F-33608 PESSAC,FRANCE

[2] ECOLE NATL SUPER CHIM & PHYS BORDEAUX,F-33608 PESSAC,FRANCE

[3] BOLLORE TECHNOL,ODET,F-29551 QUIMPER 9,FRANCE

来源：

SOLID STATE IONICS | 1996年 / 89卷 / 3-4期

关键词：

LiMnO2; layered structure; Jahn-Teller effect; electrode material; chimie douce;

D O I：

10.1016/0167-2738(96)00369-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new variety of LiMnO2 exhibiting a layered structure has been obtained by chimie douce reaction from alpha-NaMnO2. This material crystallises in the monoclinic system. Rietveld refinement of the X-ray diffraction pattern shows clearly that the MnO6 octahedra are strongly distorted as the result of the Jahn-Teller effect on the trivalent manganese ions. Moreover, a small amount of manganese is present within the lithium layer, contrary to the alpha-NaMnO6 precursor phase which exhibits a strictly bidimensional structure.

引用

页码：197 / 202

页数：6

共 20 条

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