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Ca 3 (PO 4 ) 2 ‐incorporated poly(ethylene oxide)‐based nanocomposite electrolytes for lithium batteries. Part II. Interfacial properties investigated by XPS and a.c. impedance studies
Author(s) -
Stephan Arul Manuel,
Prem Kumar Thiruvikraman,
Thomas Sabu,
Bongiovanni Roberta,
Nair Jijeesh Ravi,
Angulakshmi Natarajan,
Pollicino Antonino
Publication year - 2011
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.34710
Subject(s) - nanocomposite , x ray photoelectron spectroscopy , electrolyte , lithium (medication) , oxide , ethylene oxide , materials science , ethylene glycol , contact angle , chemical engineering , polymer , polymer chemistry , dielectric spectroscopy , electrode , chemistry , nanotechnology , copolymer , composite material , electrochemistry , medicine , endocrinology , engineering , metallurgy
The surface layer and elemental composition of a lithium‐metal electrode before and after in contact with nanocomposite polymer electrolytes (NCPEs) comprising poly(ethylene oxide)/Ca 3 (PO 4 ) 2 /LiX (X = N(CF 3 SO 2 ) 2 , ClO 4 ) were analyzed by X‐ray photoelectron spectroscopy. The presence of Li 2 CO 3 /LiOH in the outer layer of the native film was identified. The formation of LiF was detected on lithium surface when in contact with NCPE containing LiN(CF 3 SO 2 ) 2 and is attributed to the reaction between the native film and impurities. Li/NCPE/Li symmetric cells were assembled, and the thickness of the solid electrolyte interface as a function of time was analyzed at 60°C. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
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