전해도금법을 이용한 SnO 2 제조 및 후 열처리가 전지 특성에미치는 영향 Preparation of SnO2 Film via Electrodeposition and Influence of Post Heat Treatment on the Battery Performances

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SnO2 was electrodeposited on nodule-type Cu foil at varing current density and electrodeposition time. Unlike the previous research results, when the anodic current is applied, the SnO2 layer was not electrodeposited and the substrate is corroded. When the cathodic current was applied, the SnO2 layer could be successfully deposited. At this time, the surface microstructure of the powdery type was observed, which showed similar crystallinity to amorphous and had a very large surface area. Crystallinity increased after low-temperature heat treatment at 250oC or lower. As a result of evaluating the charge/discharge performances as an anode material for lithium ion battery, it was confirmed that the capacity of the heat treated SnO2 was increased more than 2 times, but it still showed a limit point showing initial low coulombic efficiency and low cyclability. However, it was confirmed that the battery performances may be enhanced through optimizing the electrodeposition process and introducing post heat treatment.
Publisher
한국열처리공학회
Issue Date
2017-03
Language
Korean
Keywords

Electrodeposition; Tin dioxide; Heat treatment; Li-ion battery

Citation

열처리공학회지, v.30, no.2, pp.61 - 66

ISSN
1225-1070
URI
http://hdl.handle.net/10203/226028
Appears in Collection
MS-Journal Papers(저널논문)
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