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

Patent · Sun Jan 01 00:00:00 EST 1989

OSTI ID:867187

Skotheim, Terje A ^[1]; Okamoto, Yoshiyuki ^[2]; Lee, Hung S ^[3]

---

1. Shoreham, NY
2. Fort Lee, NJ
3. Woodside, NY

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.-4 to 10.sup.-7 S cm.sup.-1 at room temperature.

• Research Organization: Associated Universities, Inc., Upton, NY (United States)
• DOE Contract Number: AC02-76CH00016
• Assignee: Polytechnic University (Brooklyn, NY); Associated Universities, Inc. (Washington, DC)
• Patent Number(s): US 4882243
• OSTI ID: 867187
• Country of Publication: United States
• Language: English

Related Subjects

preparation
metallic
cation
conducting
polymers
based
sterically
hindered
phenols
containing
polymeric
systems
relates
ion-conducting
solvent-free
characterized
cationic
single
conductors
polymer
electrolytes
comprise
flexible
backbone
attached
metal
salt
lithium
sodium
potassium
phenol
solid
electrolyte
prepared
attaching
directly
followed
neutralization
phenolic
oh
reacting
precursor
polymerized
form
subsequently
neutralized
preferably
phenol-modified
contains
polyether
segment
ionic
conductivity
measured
range
10
-4
-7
cm
-1
temperature
polymer precursor
conducting polymers
ionic conductivity
metal salt
polymer electrolyte
solid polymer
conducting polymer
polymer backbone
polymer electrolytes
potassium salt
flexible polymer
hindered phenol
containing polymer
containing poly
metallic cation
modified polymer
polymeric systems
polymers based
containing polymeric
/429/252/