“Itrone” ye-graphitized petroleum coke akunakwenzeka ukuba ibhukuqwe ziimveliso ze-graphene okanye i-graphite yokwenziwa kwixesha elifutshane, kodwa inokujongana nemingeni evela kutshintsho lwetekhnoloji kunye nohlengahlengiso lwe-industrial chain ekuhambeni kwexesha. Olu hlalutyo lulandelayo lwenziwa kwiinkalo ezintathu: iipropati zezinto, iimeko zokusetyenziswa, kunye ne-industrial chain dynamics.
I. Indawo ephambili yeGraphitized Petroleum Coke: Imiqobo emibini yeendleko kunye nenkqubo
Iimpawu zeMpahla ekrwada ezingenakutshintshwa
I-graphitized petroleum coke yeyona nto isetyenziswa kakhulu kwizixhobo ze-anode zebhetri ye-lithium-ion, kunye neenzuzo eziquka:
- Ukusebenza kakuhle kweendleko: Ukuvelisa itoni e-1 yegrafiti yokwenziwa kufuna iitoni eziyi-1.2–1.5 ze-petroleum coke. Ngokusekelwe kwixabiso le-petroleum coke enesulfur ephantsi ye-6,000 yuan/ton ngo-2025, iindleko zezinto eziluhlaza zifikelela kwi-36%–45% yexabiso lilonke lemveliso yegrafiti yokwenziwa (malunga ne-25,000 yuan/ton). Ukutshintshela kwezinye izinto kuya kunyusa kakhulu iindleko.
- Ukuvuthwa kweNkqubo: Emva konyango lwe-graphitization kwi-2,500–3,000°C, i-petroleum coke yenza isakhiwo sekristale ye-graphite esicwangcisiweyo, esibonelela ngombane ogqwesileyo kunye nokuzinza kobushushu—isitshixo ekusebenzeni kwangoku kwe-graphite yokwenziwa.
Imiqobo yoThengiso oluQondileyo
- Imida yeMveliso: Ngowama-2025, imveliso iyonke ye-petroleum coke yaseTshayina imalunga ne-29 yezigidi zeetoni, kunye ne-low-sulfur coke (umxholo we-sulfur <3%) ebalelwa malunga ne-30% (malunga ne-8.7 yezigidi zeetoni). Oku kufuneka kuhlangatyezwane nemfuno evela kwii-anode ezibhakiweyo kwangaphambili ze-aluminium, ii-electrode ze-graphite zentsimbi, kunye nezixhobo ze-anode, okushiya ukuguquguquka okuncinci kokunikezelwa.
- Ulawulo Lokuthumela Ngaphandle: Ngowama-2025, iTshayina yabeka imiqathango yokuthumela ngaphandle kwizixhobo ze-anode ze-graphite ezenziweyo kunye nezixhobo ezinxulumene noko, nto leyo eyabangela ukuba abavelisi beebhetri baphesheya bakhawulezise uphuhliso lwekhonkco lokubonelela ngempahla kwindawo, nto leyo eyanyusa imfuno ye-coke ye-petroleum ene-sulfur ephantsi.
II. Abachasi: Imida yeemveliso zeGraphene kunye neGraphite yendalo
Iimveliso Ezivela KwiGraphene: Ukungavuthwa Kweteknoloji Nemiqobo Yeendleko
- Imveliso Elinganiselweyo: Iimveliso ezisuka kwi-graphene synthesis (umz., ii-graphene nanoribhoni, ii-quantum dots) zihlala kwi-laboratory okanye kwi-small scale, azikwazi ukutshintshwa nge-petroleum coke enkulu.
- Iingxaki zeendleko: Umzekelo, iteknoloji yemveliso yehydrogen yeYunivesithi yaseRice ifuna ukuthengiswa kweemveliso ze-graphene nge-5% yamaxabiso emarike ukuze kuncitshiswe iindleko zemveliso yehydrogen, nto leyo ebonisa ukungabikho koqoqosho olufanelekileyo kwizicelo zoshishino.
I-Graphite yendalo: Ukulinganisela ukusebenza kunye neendleko
- Iintsilelo Zokusebenza: Nangona i-graphite yendalo ixabisa ngaphantsi ngama-30% kune-graphite yokwenziwa, isakhiwo sayo sekristale esiphuhliswe kakuhle sibangela i-anisotropy, nto leyo ebangela ubomi bomjikelo obuphantsi kunye nokukwazi kwayo ukulinganisa xa kuthelekiswa ne-graphite yokwenziwa. Umzekelo, i-graphite yendalo idla ngokufikelela kwimijikelo engaphantsi kwe-1,500, ngelixa i-graphite yokwenziwa idlula imijikelo engama-2,000.
- Utshintsho lweTekhnoloji: Utshintsho lwengubo yomphezulu (umz., iileya ze-carbide ze-nano-silicon) lunokwandisa ubomi bomjikelo wegrafiti yendalo ngaphaya kwemijikelo engama-2,000, kodwa ukucubungula okongeziweyo kwandisa iindleko, kunciphisa inzuzo yexabiso layo.
III. Iinguqu zexesha elide: Ukuphindaphinda kobuchwepheshe kunye noHlelo lweCandelo leMizi-mveliso
Impembelelo yeTekhnoloji ye-Anode yesizukulwana esilandelayo
- Ii-Anode Ezisekelwe kwiSilicon: Ngomthamo wethiyori we-4,200 mAh/g (ngokuphindwe kalishumi kune-graphite), ii-anode ezisekelwe kwisilicon zinokuthintela uxinzelelo lweendleko ze-petroleum coke. Isabelo sabo semarike sinyuke ukusuka kwi-5% ukuya kwi-15% ngo-2025, kodwa ukwanda komthamo (>300%) ngexesha lokuqhuba ibhayisekile kusengumngeni obalulekileyo wokonakala kobomi bomjikelo.
- Izinto zeCarbon eziqinileyo: I-GAC Aion's biomass-derived hard carbon (esekelwe kwiqokobhe lekhokhonathi) ifanele iibhetri ze-sodium-ion, kwaye izinto eziluhlaza zixabisa isinye kwisithathu se-petroleum coke. Nangona kunjalo, uxinano lwayo lwamandla aphantsi (~300 mAh/g xa kuthelekiswa ne-graphite's 372 mAh/g) luthintela amandla okutshintsha kwexesha elifutshane.
Ukhuphiswano lokuHlanganisa ngokuthe nkqo kunye neZixhobo kwiCandelo leMizi-mveliso
- Ukuvalelwa Kwindawo Ephezulu: Abavelisi abaphambili be-anode basekhaya bafumana izixhobo ze-coke ezine-sulfur ephantsi ngokuthenga amasheya kwiindawo zokucola okanye kwimithombo yamalahle. Umzekelo, i-CATL inciphise ukuxhomekeka kwi-coke ye-petroleum ngokusebenzisa iinkqubo ze-graphitization eziqhubekayo ukuze kufinyezwe imijikelo yemveliso.
- Amaqhina eeBhatri zamazwe ngamazwe: Iinkampani ezinkulu zeebhetri zaphesheya (umz., iSamsung SDI, iLG Energy Solution) zakha ubudlelwane obucwangcisiweyo neenkampani zepetrochemical zaseTshayina, zitshintshiselana ngotyalo-mali ukuze zifumane izixhobo ezikhuselekileyo kwiminyaka elishumi ezayo.
Isiphelo: Uzinzo Lwexesha Elifutshane, Ukulinda Ixesha Elide Ukuchasana Nokutshintshwa Kwesinye
Ulawulo lwe-graphitized petroleum coke luhlala lukhuselekile kwixesha elifutshane, luxhaswa ziingenelo zeendleko, ukuvuthwa kwenkqubo, kunye nokuqina kwekhonkco lokubonelela. Nangona kunjalo, ekuhambeni kwexesha, ukuthengiswa kwetekhnoloji yesizukulwana esilandelayo efana ne-silicon-based anodes kunye ne-hard carbon, kunye nokhuphiswano lwezixhobo ezivela ekuhlanganisweni ngokuthe nkqo, kunokuthoba kancinci kancinci i-monopoly yayo. Abachaphazelekayo kushishino kufuneka babeke phambili:
- Ukuhlaziywa kobuchwepheshe: Ukukhawulezisa ukuphuculwa kokusebenza kunye nokunciphisa iindleko ze-anodes ezisekelwe kwi-silicon, i-hard carbon, kunye nezinye iindlela.
- Icebo Lezixhobo: Ukuqinisekisa uthungelwano lokubonelela ngeenkonzo ngokusebenzisana neefektri zokuhluza okanye ezinye izinto ezisetyenzisiweyo (umz., i-biomass coke).
- Uhlengahlengiso loMgaqo-nkqubo: Ukujongana nohlengahlengiso lweenkqubo zokubonelela ngeenkonzo kwihlabathi liphela phantsi kolawulo olukhulayo lokuthumela ngaphandle ngokwandisa amandla emveliso yasekhaya phesheya.
Ixesha lokuthumela: Jan-09-2026