I-anode carbon block ephekwe ngaphambili iyinto ebalulekile futhi ebalulekile embonini ye-aluminium electrolysis. Ngokuvamile kwenziwa nge-petroleum coke, asphalt, nezinye izinto zokusetshenziswa eziyinhloko ngochungechunge lwezinqubo zokukhiqiza eziyinkimbinkimbi. Amabhulokhi ekhabhoni ye-anode abhakwe ngaphambilini adlala indima ebalulekile ohlelweni lwe-aluminium electrolysis.