Electrolyte for electrolytic capacitor

Details Electrolyte for electrolytic capacitor Electrolyte for electrolytic capacitor

1987-02-27

1987-11-24

Demers, Arthur P.

Compositions

Electrolytes for electrical devices

549 4, 549213, H01G 900

Patent

active

047088117

ABSTRACT:
An electrolyte for electrolytic capacitor containing within an aprotic solvent a tetrafluoroboric acid salt of a pyrylium or thiopyrylium compound as solute.
An electrolyte for electrolytic capacitor according to the invention may conveniently be prepared by dissolving a tetrafluoroboric acid salt of a pyrylium or thiopyrylium compound to an aprotic solvent until a desired conductivity is obtained, for example, as an approximately 10% by weight solution.

REFERENCES:
patent: 3014952 (1961-12-01), Birum et al.
patent: 3118939 (1964-01-01), Finkelstein
patent: 4451659 (1984-05-01), Potts

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