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Polymer electrolytes: an investigation of some poly (N-propylaziridine)/lithium salt compositions

Abstract

Poly (N-propylaziridine)/lithium salt compositions were synthesized and their electrical conductivities were measured to assess their suitability as electrolytes in safe, leakproof, high energy-density lithium batteries operating at ambient temperature. The effects on conductivity of temperature, and the nature and concentration of the salt were studied. The salts markedly improve conductivity of the compositions over that of the undoped polymer but they are insufficiently conducting to be considered as battery electrolytes, due possibly to ion pairing. Their creep resistance is also low. Less fluid compositions containing higher molecular weight polymers better able to promote ion separation are more suitable. (ESA)
Publication Date:
Apr 01, 1984
Product Type:
Technical Report
Report Number:
N-85-17130; RAE-TR-84036
Reference Number:
EDB-85-094383
Subject:
25 ENERGY STORAGE; ELECTRIC BATTERIES; ELECTROLYTES; CHEMICAL COMPOSITION; LITHIUM COMPOUNDS; ELECTRIC CONDUCTIVITY; MOLTEN SALTS; POLYMERS; TEMPERATURE EFFECTS; ALKALI METAL COMPOUNDS; ELECTRICAL PROPERTIES; ELECTROCHEMICAL CELLS; PHYSICAL PROPERTIES; SALTS; 250903* - Energy Storage- Batteries- Materials, Components, & Auxiliaries
OSTI ID:
5798401
Research Organizations:
Royal Aircraft Establishment, Farnborough (UK)
Country of Origin:
United Kingdom
Language:
English
Availability:
NTIS, PC A03/MF A01.
Submitting Site:
HEDB
Size:
Pages: 26
Announcement Date:
May 01, 1985

Citation Formats

Baldwin, K R, Golder, A J, and Knight, J. Polymer electrolytes: an investigation of some poly (N-propylaziridine)/lithium salt compositions. United Kingdom: N. p., 1984. Web.
Baldwin, K R, Golder, A J, & Knight, J. Polymer electrolytes: an investigation of some poly (N-propylaziridine)/lithium salt compositions. United Kingdom.
Baldwin, K R, Golder, A J, and Knight, J. 1984. "Polymer electrolytes: an investigation of some poly (N-propylaziridine)/lithium salt compositions." United Kingdom.
@misc{etde_5798401,
title = {Polymer electrolytes: an investigation of some poly (N-propylaziridine)/lithium salt compositions}
author = {Baldwin, K R, Golder, A J, and Knight, J}
abstractNote = {Poly (N-propylaziridine)/lithium salt compositions were synthesized and their electrical conductivities were measured to assess their suitability as electrolytes in safe, leakproof, high energy-density lithium batteries operating at ambient temperature. The effects on conductivity of temperature, and the nature and concentration of the salt were studied. The salts markedly improve conductivity of the compositions over that of the undoped polymer but they are insufficiently conducting to be considered as battery electrolytes, due possibly to ion pairing. Their creep resistance is also low. Less fluid compositions containing higher molecular weight polymers better able to promote ion separation are more suitable. (ESA)}
place = {United Kingdom}
year = {1984}
month = {Apr}
}