Solid electrolyte comprising fluorine-containing polymer...

Details Solid electrolyte comprising fluorine-containing polymer... Solid electrolyte comprising fluorine-containing polymer...

2005-06-22

2009-06-30

Mulcahy, Peter D. (Department: 1796)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C252S062200, C361S525000

Reexamination Certificate

active

07553589

ABSTRACT:
There is provided a fluorine-containing polymer solid electrolyte which has an excellent ion-conducting property, is high in oxidation resistance, is stable electrochemically and thermally, has sufficient strength and is applicable to various electrochemical devices. The electrolyte comprises (I) a non-crystalline fluorine-containing polymer which has a polar nonionic functional group and has, in a side chain of the polymer molecule, a structural unit D having 1 to 4 units derived from a fluorine-containing ether in the form of continuous chain, (II) an electrolytic compound and as case demands, (III) a solvent. The electrolyte has an ionic conductivity of from 10−10to 101S/cm measured at 25° C. by an alternating current complex impedance method, and is useful for various electrochemical devices.

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