Ba zai yiwu a kifar da "kursiyin" na coke mai siffar graphitized ta hanyar samfuran graphene ko graphite na wucin gadi a cikin ɗan gajeren lokaci ba, amma yana iya fuskantar ƙalubale daga maimaita fasaha da sake fasalin sarkar masana'antu a cikin dogon lokaci. Ana gudanar da bincike mai zuwa daga girma uku: halayen kayan aiki, yanayin aikace-aikace, da kuma yanayin sarkar masana'antu.
I. Matsayin Babban Coke na Man Fetur Mai Zane-zane: Shinge Biyu na Kuɗi da Tsarin Aiki
Sifofin Kayan Da Ba Za A Iya Maye Gurbinsu Ba
Coke mai siffar graphitized shine babban kayan albarkatun ƙasa na batirin lithium-ion anode, tare da fa'idodi kamar haka:
- Ingancin Farashi: Samar da tan 1 na graphite na wucin gadi yana buƙatar tan 1.2–1.5 na man fetur. Dangane da farashin man fetur na ƙarancin sulfur na yuan 6,000/ton a shekarar 2025, farashin kayan aiki ya kai kashi 36%–45% na jimillar kuɗin samar da graphite na wucin gadi (kimanin yuan 25,000/ton). Sauya zuwa wasu kayan aiki zai ƙara farashi sosai.
- Balagawar Tsarin Aiki: Bayan an yi amfani da graphitization a zafin 2,500–3,000°C, petroleum coke ya samar da tsari mai kyau na graphite crystal, yana samar da ingantaccen wutar lantarki da kwanciyar hankali na zafi—mabuɗin aikin graphite na wucin gadi na yanzu.
Takunkumin Sarkar Samarwa Mai Tauri
- Iyakokin Samarwa: A shekarar 2025, jimillar samar da coke na mai a China ya kai kimanin tan miliyan 29, inda coke mai ƙarancin sulfur (ƙarin sulfur ƙasa da kashi 3%) ya kai kusan kashi 30% (kimanin tan miliyan 8.7). Wannan dole ne ya biya buƙatun anodes da aka riga aka gasa da aluminum, electrodes na ƙarfe, da kayan anode, wanda hakan ke barin ƙarancin sassaucin samar da kayayyaki.
- Kula da Fitar da Kaya: A shekarar 2025, kasar Sin ta sanya takunkumi kan fitar da kayayyaki na anode na graphite na wucin gadi da kayan aiki masu alaƙa, wanda hakan ya sa masana'antun batirin kasashen waje suka hanzarta haɓaka sarkar samar da kayayyaki ta gida, wanda hakan ya ƙara haifar da buƙatar man fetur mai ƙarancin sulfur.
II. Masu Kalubale: Iyakokin Kayayyakin Graphene da Graphite na Halitta
Kayayyakin Graphene: Rashin Girman Fasaha da Shisshigin Farashi
- Yawan Samarwa: Abubuwan da aka samo daga hada graphene (misali, nanoribbons na graphene, ɗigon quantum) suna nan a cikin dakin gwaje-gwaje ko ƙananan aikace-aikace, ba za su iya cimma babban maye gurbin man fetur ba.
- Rashin Amfani da Kuɗi: Misali, fasahar samar da hydrogen ta Jami'ar Rice ta "fashe" tana buƙatar sayar da samfuran graphene a kashi 5% na farashin kasuwa don rage farashin samar da hydrogen, wanda ke nuna rashin wadatar tattalin arziki ga aikace-aikacen masana'antu.
Graphite na Halitta: Daidaita Aiki da Farashi
- Rashin Aiki: Duk da cewa graphite na halitta yana kashe kashi 30% ƙasa da graphite na wucin gadi, tsarin lu'ulu'u mai kyau yana haifar da anisotropy, wanda ke haifar da ƙarancin rayuwar zagayowar da ƙarfin aiki idan aka kwatanta da graphite na wucin gadi. Misali, graphite na halitta yawanci yana cimma ƙasa da zagayowar 1,500, yayin da graphite na wucin gadi ya wuce zagayowar 2,000.
- Nasarorin Fasaha: Gyaran rufin saman (misali, yadudduka nano-silicon carbide) na iya tsawaita rayuwar zagayowar graphite ta halitta fiye da zagayowar 2,000, amma ƙarin sarrafawa yana ƙara farashi, yana lalata fa'idar farashinsa.
III. Masu Canji na Dogon Lokaci: Juyawar Fasaha da Sake Tsarin Sarkar Masana'antu
Tasirin Fasahar Anode ta Zamani Mai Zuwa
- Anodes da aka gina a Silicon: Tare da ƙarfin ka'ida na 4,200 mAh/g (sau 10 na graphite), anodes da aka gina a silicon na iya rage matsin lambar farashin man fetur na coke. Kasuwarsu ta karu daga 5% zuwa 15% a shekarar 2025, amma faɗaɗa girma (>300%) a lokacin hawa keke ya kasance babban ƙalubale ga lalacewar rayuwar zagayowar.
- Kayan Carbon Mai Tauri: Carbon mai tauri (wanda aka yi da kwakwa) wanda aka samo daga biomass na GAC Aion ya dace da batirin sodium-ion, inda kayan amfanin gona ke kashe kashi ɗaya bisa uku na coke na petroleum. Duk da haka, ƙarancin ƙarfinsa (~300 mAh/g idan aka kwatanta da graphite's 372 mAh/g) yana iyakance yuwuwar maye gurbinsa na ɗan gajeren lokaci.
Gasar Haɗaka da Albarkatu a Tsaye a Sarkar Masana'antu
- Makullin Sama: Manyan masana'antun anode na cikin gida suna samun wadataccen sinadarin coke ta hanyar samun hannun jari a matatun mai ko albarkatun kwal. Misali, CATL ta rage dogaro da man fetur ta hanyar amfani da tsarin graphitization akai-akai don rage zagayowar samarwa.
- Kawancen Ƙasashen Duniya: Manyan kamfanonin samar da wutar lantarki na ƙasashen waje (misali, Samsung SDI, LG Energy Solution) sun haɗu da manyan kamfanonin man fetur na ƙasar Sin, inda suka yi musayar jari don samun damar albarkatu don samar da kayayyaki masu inganci a cikin shekaru goma masu zuwa.
Kammalawa: Kwanciyar Hankali na ɗan gajeren lokaci, Kulawa na dogon lokaci akan maye gurbin
Mamayar man fetur mai siffar graphitized coke ya kasance cikin aminci a cikin ɗan gajeren lokaci, wanda ke da alaƙa da fa'idodin farashi, lokacin girma, da kuma juriyar sarkar samar da kayayyaki. Duk da haka, a cikin dogon lokaci, tallata fasahar zamani kamar anodes na silicon da carbon mai ƙarfi, tare da gasar albarkatu daga haɗin kai tsaye, na iya rage ikon mallakarsa a hankali. Masu ruwa da tsaki a masana'antu ya kamata su ba da fifiko:
- Sauye-sauyen Fasaha: Haɓaka ayyukan yi da rage farashi ga anodes masu tushen silicon, carbon mai tauri, da sauran madadin.
- Tsarin Albarkatu: Tabbatar da hanyoyin samar da kayayyaki ta hanyar haɗin gwiwar matatun mai ko wasu kayan masarufi (misali, biomass coke).
- Daidaita Manufofi: Kewaya tsarin sake fasalin samar da kayayyaki na duniya a ƙarƙashin ƙaruwar sarrafa fitar da kayayyaki ta hanyar faɗaɗa ƙarfin samar da kayayyaki na ƙasashen waje.
Lokacin Saƙo: Janairu-09-2026