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U.S. Department of Energy
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Ultrathin polymer electrolyte having high conductivity

Patent ·
OSTI ID:6410303

An electrolyte composition for a solid state electrochemical cell comprising at least 65% by weight of a plasticizer, a polyethylene oxide polymer, and a dissolved alkali metal salt is described, wherein the plasticizer is a non-volatile aprotic solvent in which the alkali metal salt is soluble and is selected from the group consisting of propylene carbonate, gamma-butyrolactone, dimethyl sulfoxide, tetrahydrofuran, and propylene glycol dimethyl ethers.

Assignee:
MHB Joint Venture, San Jose, CA (United States)
Patent Number(s):
A; US 5217827
Application Number:
PPN: US 7-823575
OSTI ID:
6410303
Country of Publication:
United States
Language:
English