THE STUDY OF ELECTRONIC-STRUCTURE OF MOLYBDENUM AND TUNGSTEN TRISULFIDES AND THEIR LITHIUM INTERCALATES BY X-RAY ELECTRON AND X-RAY-EMISSION AND ABSORPTION-SPECTROSCOPY

被引:22
作者
KHUDOROZHKO, GF
ASANOV, IP
MAZALOV, LN
KRAVTSOVA, EA
PARYGINA, GK
FEDOROV, VE
MIRONOV, JV
机构
[1] Institute of Inorganic Chemistry, RAS Siberian brahch, Novosibirsk, 630090
关键词
D O I
10.1016/0368-2048(94)02200-3
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
The distribution of electron density in cathode materials MoS3 and WS3 during their lithiation has been studied by X-ray electron and X-ray emission and absorption spectroscopies. It is demonstrated that the lithium electrons localize both on metal and on sulfur atoms but mainly on disulfide atoms. Presence of a complementary bond of donor-acceptor nature has been proposed. On a basis of this assumption and X-ray emission spectra. the electron structure of MoS3 has been suggested.
引用
收藏
页码:199 / 209
页数:11
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