A na-akpọ coke petroleum nke a na-akpọ graphitized petroleum coke ka ọ bụrụ kristal carbon kristal nwere akwa hexagonal na okpomọkụ dị elu nke ihe dị ka ogo 3000 n'ime ọkụ graphitization, ya bụ, petroleum coke na-aghọ graphite. A na-akpọ usoro a graphitization. A na-akpọ coke petroleum nke a na-eme site na usoro graphitization petroleum coke graphitized.
