1. I-sulfur ephansi kanye nomlotha ophansi: okuqukethwe kwe-sulfur ephansi kusiza ukuthuthukisa ubumsulwa bomkhiqizo2. Okuqukethwe okuphezulu kwekhabhoni: okuqukethwe kwekhabhoni okungaphezu kuka-98%, kuthuthukisa izinga lokudweba3. Ukuqhuba okuphezulu: kufanelekile kwimikhiqizo ye-graphite esebenza kahle kakhulu4. I-graphitization elula: ifanele ukukhiqizwa kwe-electrode ye-graphite yamandla aphezulu kakhulu (UHP)
I-Needle coke iyinto yekhabhoni esezingeni eliphezulu ene-graphitization enhle kakhulu kanye nokuqhuba kukagesi, esetshenziswa kabanzi emikhiqizweni ye-graphite ephezulu, izinto ze-anode zebhethri le-lithium kanye nezimboni ze-metallurgical.