| 摘要 |
FIELD: physics.SUBSTANCE: invention relates to a cathode unit and a cathode of an aluminium electrolytic cell. Cathode unit for aluminium electrolytic cell comprises a main layer of graphite and located on upper layer made from carbon composite material containing from 15 to less than 50 wt% of solid material with fusion temperature of at least 1000°C and with thickness from 50 to 400 mcm. Also disclosed is a cathode containing said cathode unit, and use of said cathode for electrolysis of metal, in particular aluminium.EFFECT: longer service life of cathode unit and cathode.21 cl, 1 dwg |
