Anode carbon block yog hais txog cov pa roj carbon monoxide uas tsim nrog roj av coke thiab asphalt coke ua aggregate thiab thee tar pitch li binder, uas yog siv los ua cov khoom siv anode rau prebaked aluminium electrolytic cell. Hom carbon thaiv no tau ci thiab muaj cov duab geometric ruaj khov, yog li nws tseem hu ua pre ci anode carbon thaiv thiab tseem hu ua carbon anode rau txhuas electrolysis.