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Ionically conductive thin polymer films prepared by plasma polymerization, part 9: Vapor‐phase preparation of solid polymer electrolytes composed of plasma polymer and lithium trifluoromethanesulfonate
Author(s) -
Ogumi Zempachi,
Uchimoto Yoshiharu,
Endo Eishi,
Yasuda Kazuaki,
Takehara Zenichiro
Publication year - 1993
Publication title -
polymers for advanced technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.61
H-Index - 90
eISSN - 1099-1581
pISSN - 1042-7147
DOI - 10.1002/pat.1993.220040219
Subject(s) - materials science , plasma polymerization , lithium (medication) , trifluoromethanesulfonate , ionic conductivity , polymer , polymerization , fourier transform infrared spectroscopy , polymer chemistry , chemical engineering , conductive polymer , electrolyte , analytical chemistry (journal) , chemistry , composite material , organic chemistry , medicine , catalysis , electrode , endocrinology , engineering
Abstract Solid polymer electrolytes composed of plasma‐polymerized dimethyl‐2‐[(2‐ethoxy‐ethoxy)ethoxy]vinylsilane and thermal vapor‐deposited lithium trifluoromethanesulfonate have been prepared, and characterized using electron spectroscopy for chemical analysis (ESCA), Fourier transform/infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and electrochemical techniques. The obtained solid polymer electrolyte films of about 1 μm thickness were uniform and pinhole‐free. Room temperature conductivity of 8 × 10 −6 S/cm has been observed. This value depends on the substrate temperature during the plasma polymerization, and the variation of the ionic conductivity with temperature can be described by using a Williams–Landel–Ferry equation.