SURFACE-COMPOSITION AND OXIDATION OF THE LAYERED OXIDES AMO2

被引:11
作者
KEMP, JP
COX, PA
机构
[1] Inorganic Chemistry Laboratory, University of Oxford, Oxford, OX1 3QR, South Parks Road
关键词
composition; deintercalation; oxides; Surface;
D O I
10.1016/0022-3697(90)90166-D
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The layered transition metal oxides AMO2 have been studied by PES and EELS for A = Li, M = Ni, Co and A = Na, M = Ni, Co, Fe. It is found that the surface compositions under the conditions of synthesis may differ from the bulk composition due to the presence of a layer of alkali metal oxide, A2O, of variable thickness. The relation between this behaviour and the ease of electrochemical oxidation of these compounds is investigated. © 1990.
引用
收藏
页码:575 / 579
页数:5
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