The surface morphology of Li metal electrode

被引：30

作者：

Kim, SW ^{[1
]}

Ahn, YJ ^{[1
]}

Yoon, WY ^{[1
]}

机构：

[1] Korea Univ, Div Mat Sci & Engn, Seongdong Ku, Seoul 136701, South Korea

来源：

METALS AND MATERIALS-KOREA | 2000年 / 6卷 / 04期

关键词：

lithium; battery; SEI; impedance; lithium metal battery; lithium powder;

D O I：

10.1007/BF03028081

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface morphological changes of Li powder compacted electrodes were investigated and compared with extruded Li foil electrodes during the dissolution (discharge)/deposition (charge) process. The area of dendrite growing surfaces was reduced remarkably for Li powder compacted electrodes, Impedance measurements showed that Li compacted powder electrodes had a lower resistance than Li foil electrodes. This is presumed to be related with resistance reduction due to increasing ion conductivity in the SEI (solid electrolyte interface) formed on the surface along with the increase of the reaction area for the powder electrode.

引用

页码：345 / 349

页数：5

共 12 条

[1]

ARAKAWA M, 1993, J POWER SOURCES, V27, P43

[2] The correlation between charge/discharge rates and morphology, surface chemistry, and performance of Li electrodes and the connection to cycle life of practical batteries [J].

Aurbach, D ;

Weissman, I ;

Yamin, H ;

Elster, E .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1998, 145 (05) :1421-1426

[3] XPS ANALYSIS OF A LITHIUM SURFACE IMMERSED IN PROPYLENE CARBONATE SOLUTION CONTAINING VARIOUS SALTS [J].

KANAMURA, K ;

TAMURA, H ;

TAKEHARA, Z .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1992, 333 (1-2) :127-142

[4] Electrochemical deposition of very smooth lithium using nonaqueous electrolytes containing HF [J].

Kanamura, K ;

Shiraishi, S ;

Takehara, Z .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1996, 143 (07) :2187-2197

[5]

KIM SJ, 1999, THESIS KOREA U

[6] Modification of the lithium metal surface by nonionic polyether surfactants: Quartz crystal microbalance studies [J].

Mori, M ;

Naruoka, Y ;

Naoi, K ;

Fauteux, D .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1998, 145 (07) :2340-2348

[7] ENHANCEMENT OF LITHIUM ANODE CYCLABILITY IN PROPYLENE CARBONATE ELECTROLYTE BY CO2 ADDITION AND ITS PROTECTIVE EFFECT AGAINST H2O IMPURITY [J].

OSAKA, T ;

MOMMA, T ;

TAJIMA, T ;

MATSUMOTO, Y .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1995, 142 (04) :1057-1060

[8] THE ELECTROCHEMICAL-BEHAVIOR OF ALKALI AND ALKALINE-EARTH METALS IN NON-AQUEOUS BATTERY SYSTEMS - THE SOLID ELECTROLYTE INTERPHASE MODEL [J].

PELED, E .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1979, 126 (12) :2047-2051

[9]

PEREPEZKO JH, 1980, SYTHESIS PROPERTIE A, V9, P31

[10]

Shewmon P., 1989, DIFFUSION SOLIDS, P189

← 1 2 →