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리튬 표면의 부동태 피막에 미치는 공용매의 영향Effects of Co-solvent on Passivation Film of Lithium Surface
- Other Titles
- Effects of Co-solvent on Passivation Film of Lithium Surface
- Issue Date
- 2014
- Publisher
- 한국수소및신에너지학회
- Keywords
- 부동태 피막; 금속 리튬; 리튬 덴드라이트; 공용매; 전해질; Passivation film; Lithium metal; Dendritic lithium; Co-solvent; Electrolyte
- Citation
- 한국수소및신에너지학회논문집, v.25, no.3, pp 305 - 310
- Pages
- 6
- Journal Title
- 한국수소및신에너지학회논문집
- Volume
- 25
- Number
- 3
- Start Page
- 305
- End Page
- 310
- ISSN
- 1738-7264
2288-7407
- Abstract
- This study examined the morphological changes in lithium surface immersed in 1 mol dm-3 (M) LiPF6dissolved in propylene carbonate (PC) containing different 1,2-dimethoxyethane (DME) concentrations as a co-solvent. A passivation film was formed on the surface of lithium metal by electrolyte decomposition. The passivation filmformation reactions were significantly affected by the amount of co-solvent, DME, in electrolyte solution. A stablefilm was obtained from the 1 M LiPF6 / PC:DME (67:33) solution in which lithium electrode showed goodelectrochemical performances. Atomic force microscope (AFM) and electrochemical impedance spectroscopy (EIS)results revealed that there were no direct correlations between changes in the surface morphology of lithium metaland the resistance behavior of its passivation film.
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Collections - SCH Media Labs > Department of Energy Systems Engineering > 1. Journal Articles
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Related Researcher
- Jeong, Soon Ki
- SCH Media Labs (에너지공학과)