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Title: Preparation of metallic cation conducting polymers based on sterically hindered phenols containing polymeric systems

The present invention relates to ion-conducting solvent-free polymeric systems characterized as being cationic single ion conductors. The solvent-free polymer electrolytes comprise a flexible polymer backbone to which is attached a metal salt, such as a lithium, sodium or potassium salt, of a sterically hindered phenol. The solid polymer electrolyte may be prepared either by (1) attaching the hindered phenol directly to a flexible polymeric backbone, followed by neutralization of the phenolic OH's or (2) reacting the hindered phenol with a polymer precursor which is then polymerized to form a flexible polymer having phenolic OH's which are subsequently neutralized. Preferably the hindered phenol-modified polymeric backbone contains a polyether segment. The ionic conductivity of these solvent-free polymer electrolytes has been measured to be in the range of 10[sup [minus]4] to 10[sup [minus]7] S cm[sup [minus]1] at room temperature.
Authors:
; ;
Publication Date:
OSTI Identifier:
7020407
Report Number(s):
US 4882243; A
PPN: US 7-275013
DOE Contract Number:
AC02-76CH00016
Resource Type:
Patent
Resource Relation:
Patent File Date: 22 Nov 1988
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; SOLID ELECTROLYTES; FABRICATION; IONIC CONDUCTIVITY; LITHIUM COMPOUNDS; PHENOLS; POLYMERS; POTASSIUM COMPOUNDS; SODIUM COMPOUNDS; ALKALI METAL COMPOUNDS; AROMATICS; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELECTROLYTES; HYDROXY COMPOUNDS; ORGANIC COMPOUNDS; PHYSICAL PROPERTIES 360601* -- Other Materials-- Preparation & Manufacture; 360606 -- Other Materials-- Physical Properties-- (1992-)