Barrier layer, composite article comprising the same, electroactive device, and method

摘要

A composite article is provided comprising (i) a substrate (14), (ii) either a conductive layer or a catalyst layer disposed on at least one surface of the substrate (14); and (iii) a barrier layer (16) disposed on the conductive layer or catalyst layer; wherein the barrier layer (16) comprises a barrier coating and at least one repair coating disposed on the barrier coating, wherein the repair coating comprises a metal or a metal based compound. An electroactive device comprising the composite article (10) is also provided.