ʻO ka graphitized petroleum coke ka mea e hoʻohuli ai i ka petroleum coke i loko o kahi hexagonal layered crystalline carbon crystal ma kahi kiʻekiʻe ma kahi o 3000 degere i loko o kahi kapuahi graphitization, ʻo ia hoʻi, lilo ka petroleum coke i graphite. Kapa ʻia kēia kaʻina hana graphitization. Ua kapa ʻia ʻo coke petroleum i hana ʻia ma ke kaʻina hana graphitization.
