Cycling characteristics of lithium metal batteries assembled with a surface modified lithium electrode

Title
Cycling characteristics of lithium metal batteries assembled with a surface modified lithium electrode
Author
선양국
Keywords
Lithium metal battery; Lithium electrode; Solid electrolyte interphase; Poly(vinylene carbonate-co-acrylonitrile); Protective layer; NONIONIC POLYETHER SURFACTANTS; QUARTZ-CRYSTAL MICROBALANCE; GEL POLYMER ELECTROLYTE; VINYLENE CARBONATE; PROPYLENE CARBONATE; ION CELLS; ANODES; PERFORMANCE; MORPHOLOGY; FILM
Issue Date
2013-12
Publisher
Elsevier Science B.V., Amsterdam.
Citation
Journal of Power Sources, Vol.244, No.- [2013], p363-368
Abstract
The surface modified lithium electrode is prepared by coating an ionic conductive poly(vinylene carbonate-co-acrylonitrile) layer as a solid electrolyte interphase on lithium metal. The thin protective polymer layer with strong adhesion to the lithium electrode suppresses the corrosion of lithium metal and stabilizes the interface of lithium electrode in prolonged contact with organic electrolyte. Cycling performance of the Li/LiCoO2 cells can be improved by using the surface modified lithium electrode. SEM analysis of lithium electrodes after repeated cycling reveals that the use of a surface modified lithium electrode effectively suppresses dendrite growth during cycling, which results in stable cycling characteristics compared to that of the cell with an un-modified lithium electrode. (C) 2013 Elsevier B.V. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0378775313000050http://hdl.handle.net/20.500.11754/45335
ISSN
0378-7753
DOI
10.1016/j.jpowsour.2012.12.106
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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