Ambient temperature solid polymer electrolyte devices

P. S.S. Prasad, M. Z.A. Munshi, B. B. Owens, W. H. Smyrl

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Poly(ethylene oxide) based solid polymer electrolytes with lithium bis-perfluoro-acyl-imide and lithium bis-perfluoro-sulfonylimide plasticizer salts have been investigated by complex impedance analysis, differential scanning calorimetry and electrochemical performance in the Li/V6O13 electrode couple environment. Poly(ethylene oxide)-poly(ethylene glycol) based composite polymer blends with LiCF3SO3 salt were also studied as possible ambient temperature electrolytes. A third group of polymer electrolytes based on lithium salts doped into non-aqueous gels were found to possess an ionic conductivity of 4.5×10-4 S cm at 22°C. The material was used as an electrolyte in the fabrication of a thin film electrochemical cell (6.5 cm2 area) with the Li/V6O13 electrode couple. Preliminary results indicated a good reversibility, but interfacial polarization was significant.

Original languageEnglish (US)
Pages (from-to)959-963
Number of pages5
JournalSolid State Ionics
Issue numberPART 2
StatePublished - Aug 1990

Bibliographical note

Funding Information:
The work is financially supported in part by the Office of Naval Research (ONR) and Defence Advanced Research Projects Agency (DARPA), U.S.A.


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