In situ conductivity measurements of LiCoO2 film during lithium insertion/extraction by using interdigitated microarray electrodes

被引:90
作者
Shibuya, M
Nishina, T
Matsue, T
Uchida, I
机构
[1] Department of Applied Chemistry, Graduate School of Engineering, Tohoku University, Aramaki-Aoba, Aoba-ku
关键词
D O I
10.1149/1.1837180
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
In situ conductivity-potential profiles and cyclic voltammograms of an LiCoO2 thin film were obtained simultaneously by using an interdigitated microarray electrode with a constant potential difference. The electronic conductivity of Li1-xCoO2 increased exponentially with potential during lithium extraction from 2.7 to 4.0 V. The conductivity changes drastically when very small amounts of Li (0 < x < 0.1) are extracted.
引用
收藏
页码:3157 / 3160
页数:4
相关论文
共 24 条
[1]  
[Anonymous], 1994, Lithium batteries: new materials
[2]   LITHIUM-SUBSTITUTED COBALT OXIDE SPINELS LIXM1-XCO2O4 (M = CO2+, ZN2+, 0-LESS-THAN-OR-EQUAL-TO-X-LESS-THAN-OR-EQUAL-TO-0.4) [J].
APPANDAIRAJAN, NK ;
VISWANATHAN, B ;
GOPALAKRISHNAN, J .
JOURNAL OF SOLID STATE CHEMISTRY, 1981, 40 (01) :117-121
[3]   IN-SITU TECHNIQUE FOR MEASURING THE RESISTIVITY OF LITHIUM INTERCALATION COMPOUNDS AS A FUNCTION OF LITHIUM COMPOSITION [J].
BAUDAIS, MEF ;
DAHN, JR .
SOLID STATE IONICS, 1993, 66 (1-2) :175-181
[4]  
EBARA J, 1993, DENKI KAGAKU, V61, P727
[5]  
GOODENOUGH JB, 1971, PROGR SOLID STATE CH, V5, P279
[6]  
Lipkowski J., 1994, ELECTROCHEMISTRY NOV
[7]   LIXCOO2 "(OLESS-THANXLESS-THAN-OR-EQUAL-TO1) - A NEW CATHODE MATERIAL FOR BATTERIES OF HIGH-ENERGY DENSITY [J].
MIZUSHIMA, K ;
JONES, PC ;
WISEMAN, PJ ;
GOODENOUGH, JB .
MATERIALS RESEARCH BULLETIN, 1980, 15 (06) :783-789
[8]  
MIZUSHIMA K, 1981, SOLID STATE IONICS, V3-4, P171, DOI 10.1016/0167-2738(81)90077-1
[9]   ELECTRICAL-PROPERTIES OF TI1+YS2 AT TEMPERATURES 77-K TO 300-K [J].
MOLENDA, J ;
STOKLOSA, A ;
THAN, D ;
BAK, T .
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1990, 119 (01) :221-228
[10]   MODIFICATION IN THE ELECTRONIC-STRUCTURE OF COBALT BRONZE LIXCOO2 AND THE RESULTING ELECTROCHEMICAL PROPERTIES [J].
MOLENDA, J ;
STOKLOSA, A ;
BAK, T .
SOLID STATE IONICS, 1989, 36 (1-2) :53-58