Patent ID: 8971020
Filing Date: 2015-03-03
Classification: C09D,C25D,H01G

Abstract:
1. A wet electrolytic capacitor comprising: an anode comprising a sintered porous anode body that is coated with a dielectric; a cathode that comprises a metal substrate over which is disposed a conductive polymer coating; and a fluid working electrolyte in communication with the anode and the cathode; wherein the conductive polymer coating contains a copolymer having repeating units (A) and at least one of repeating units (B) and repeating units (C), wherein the repeating units (A), (B), and (C) have the following general structures: wherein, n is an integer from 1 to 2,000; T is O or S; D is an optionally substituted C R q is an integer from 0 to 8; wherein, x is an integer from 1 to 2,000; R R wherein, s is an integer from 1 to 2,000; and R