H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
H01G9/004—Details
H01G9/04—Electrodes or formation of dielectric layers thereon
H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
H01G9/0425—Electrodes or formation of dielectric layers thereon characterised by the material specially adapted for cathode
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours