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Title: Lithium ion conducting ionic electrolytes

A liquid, predominantly lithium-conducting, ionic electrolyte is described which has exceptionally high conductivity at temperatures of 100.degree. C. or lower, including room temperature. It comprises molten lithium salts or salt mixtures in which a small amount of an anionic polymer lithium salt is dissolved to stabilize the liquid against recrystallization. Further, a liquid ionic electrolyte which has been rubberized by addition of an extra proportion of anionic polymer, and which has good chemical and electrochemical stability, is described. This presents an attractive alternative to conventional salt-in-polymer electrolytes which are not cationic conductors.
Inventors:
 [1];  [2];  [3]
  1. (Mesa, AZ)
  2. (Tempe, AZ)
  3. (Tulsa, OK)
Issue Date:
OSTI Identifier:
870256
Assignee:
Arizona Board of Regents, a body corporate of state of Arizona, (Tempe, AZ) CHO
Patent Number(s):
US 5484670
Contract Number:
FG02-89ER45398
Research Org:
Arizona State Univ., Tempe, AZ (United States)
Country of Publication:
United States
Language:
English
Subject:
lithium; conducting; ionic; electrolytes; liquid; predominantly; lithium-conducting; electrolyte; described; exceptionally; conductivity; temperatures; 100; degree; including; temperature; comprises; molten; salts; salt; mixtures; amount; anionic; polymer; dissolved; stabilize; recrystallization; rubberized; addition; extra; proportion; chemical; electrochemical; stability; attractive; alternative; conventional; salt-in-polymer; cationic; conductors; chemical stability; salt mixture; molten lithium; polymer electrolyte; lithium salt; lithium salts; polymer electrolytes; ionic electrolyte; salt mixtures; ionic conductors; predominantly lithium-conducting; /429/

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