
Hoʻomākaukau nui ʻia ka coke nila calcined mai ke koena me ka nui o nā mea ʻala a me ka haʻahaʻa o ka haumia non-hydrocarbon. ʻO ka coke nila calcined: he ʻano nila maopopo a me ke ʻano fiber, hoʻohana nui ʻia i ka hana kila o ka electrode graphite mana kiʻekiʻe a me ka mana kiʻekiʻe loa.