Conductive separator and electrolytic capacitor including...

Details Conductive separator and electrolytic capacitor including... Conductive separator and electrolytic capacitor including...

2008-05-27

2008-05-27

Ha, Nguyen T (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Liquid electrolytic capacitor

C361S516000, C361S504000, C361S523000, C361S525000, C361S508000, C029S025010, C029S025030

Reexamination Certificate

active

07379289

ABSTRACT:
The present invention provides a highly conductive separator of which surface is coated with conductive polymer molecules, and provides an electrolytic capacitor having a low ESR characteristic using the separator. The conductive separator is formed by sticking the conductive polymer molecules to an insulating separator substrate by chemical oxidative polymerization, and the stuck amount of the conductive polymer molecules per basis weight of the separator substrate is set in the range of 3 to 30 g/m2. Conductive polymer molecules that are hardly de-doped can be formed in the electrolyte for driving by chemical oxidative polymerization, so that an electrolytic capacitor having high capacitance and low ESR can be obtained.

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