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http://dx.doi.org/10.4191/KCERS.2003.40.11.1085

Enhancement on the Charge-discharge Property of Carbon Anode by the Addition of Metal Oxides in Li-ion Secondary Batteries  

김정식 (서울시립대학교 신소재공학과)
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Abstract
In the present study effects of SnO$_2$-impregnation on the cell performance of Mesocarbon Microbeads (MCMB) electrode in the Li-ion battery have been investigated. Sn element was impreganted into MCMB powders by the chemical titration, and then post annealed at 250$^{\circ}C$ for 1 h in ambient atmosphere to be transformed as tin-oxide. From the measurement for the cell performance with the half cell in which the SnO$_2$-impregnated MCMB was used as an anode, the SnO$_2$-impregnated MCMB showed higher charge/discharge capacities, higher reversible specific charge capacity and better cycleability than a raw MCMB. As the amount of impregnated SnO$_2$ increased, both reversible and irreversible capacities increased.
Keywords
Li-ion battery; Carbon electrode; Metal oxide addition; Anode;
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Times Cited By KSCI : 1  (Citation Analysis)
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