I-1.Isulfure ephansi nomlotha ophansi: okuqukethwe kwesulfure okuphansi kusiza ukuthuthukisa ukuhlanzeka komkhiqizo2.Okuqukethwe kwekhabhoni ephezulu: okuqukethwe kwekhabhoni engaphezu kuka-98%, kuthuthukisa izinga le-graphitizationI-3.I-conductivity ephezulu: ifanele imikhiqizo ye-graphite ephezulu yokusebenza4.I-graphitization elula: ilungele ukukhiqizwa kwamandla we-ultra-high (UHP) i-graphite electrode
I-needle coke iyikhwalithi ephezulu yekhabhoni ene-graphitization enhle kakhulu kanye ne-conductivity kagesi, esetshenziswa kabanzi emikhiqizweni ye-graphite ephezulu, izinto ze-lithium battery anode kanye nezimboni ze-metallurgical.