Hana ʻia ka ʻike hana GPC me ka coke petroleum calcined ma ke ʻano he mea maka, a laila hele i ka graphitization piha o ke kaʻina hana graphitization mau ma lalo o ke kiʻekiʻe kiʻekiʻe o 2800 ℃. Ma hope iho, ma o ka ʻoki ʻana, ka nānā ʻana a me ka hoʻokaʻawale ʻana, hāʻawi mākou i kā mākou mea hoʻohana me ka nui o nā ʻāpana like ʻole ma waena o 0-50mm ma ke noi a nā mea kūʻai aku.