Conductive Polymer Separator for Solid Electrolytic Capacitors

The electrolyte is segmented into two distinct components: a solid electrolyte (conductive polymer) and a liquid electrolyte. The solid electrolyte is applied to the separator to reduce ESR, while the liquid electrolyte is impregnated into the separator to provide dielectric oxide film repair capability. This segmentation allows each component to fulfill its specific function without compromising the other.

The invention uses a composite electrolyte system combining solid and liquid electrolytes. The separator contains both conductive polymer (solid) and liquid electrolyte, creating a composite structure that exhibits both low ESR characteristics and high dielectric oxide film repair capability. This composite approach resolves the contradiction by integrating the advantages of both material types.

The electrolyte system is segmented into solid and liquid components with distinct functions. The solid electrolyte (conductive polymer) addresses ESR reduction, while the liquid electrolyte specifically addresses leak current reduction through its superior dielectric oxide film repair capability. This functional segmentation eliminates the harmful effect of high leak current while maintaining low ESR.

The liquid electrolyte acts as an intermediary that mediates between the solid electrolyte and the dielectric oxide film. It provides the chemical environment necessary for repairing dielectric oxide film defects, thereby reducing leak current, while the solid electrolyte provides the conductive pathway for low ESR operation.