Ukuguqulwa kwe-graphitization, ngokwelashwa kokushisa okuphezulu ku-3000℃, kuguqula ama-athomu e-carbon ku-petroleum coke kusuka esakhiweni esiphazamisekile sibe yisakhiwo se-graphite esihlelwe kahle kakhulu, okuthuthukisa kakhulu ukuguquguquka kwayo kagesi, ukuguquguquka kokushisa, kunciphisa ukumelana kukagesi kanye nokuqukethwe komlotha, ngenkathi kuthuthukisa izakhiwo zemishini kanye nokuqina kwamakhemikhali. Lokhu kuphumela ekwehlukeni okukhulu kokusebenza phakathi kwe-petroleum coke ene-graphitized kanye ne-petroleum coke evamile. Ukuhlaziywa okuningiliziwe kungokulandelayo:
1. Ukuhlelwa Kabusha Kwezakhiwo Ezincane: Ukusuka Ekuphazamisekeni Kuya Ekuhlelekeni
I-Coke Ejwayelekile Kaphethiloli: Ikhiqizwa ngokubilisa okuphuzile kwezinsalela zikaphethiloli, ama-athomu ayo ekhabhoni ahlelwe ngendlela engahlelekile, eneziphambeko eziningi kanye nokungcola, okwakha isakhiwo esifana "nokuhlanganiswa kwezingqimba okungahlelekile." Lesi sakhiwo sivimbela ukufuduka kwama-electron futhi sinciphise ukusebenza kahle kokudlulisa ukushisa, kuyilapho ukungcola (njengesulfure nomlotha) kuphazamisa kakhulu ukusebenza.
I-Graphitized Petroleum Coke: Ngemva kokwelashwa kokushisa okuphezulu ku-3000℃, ama-athomu e-carbon ayasakazwa futhi ahlelwe kabusha ngokusebenzisa ukusebenza kokushisa, akha isakhiwo esinezingqimba ezifana ne-graphite. Kulesi sakhiwo, ama-athomu e-carbon ahlelwe kugridi enezinhlangothi eziyisithupha, enezingqimba eziboshwe ndawonye ngamandla e-van der Waals, okudala ikristalu ehlelekile kakhulu. Lokhu kuguqulwa kufana "nokuhlela amaphepha ahlakazekile abe yizincwadi ezicocekile," okwenza kube lula ukudluliselwa kwama-electron nokushisa okusebenzayo.
2. Izindlela Eziyinhloko Zokuthuthukisa Ukusebenza
Ukuqhuba Ugesi: Ukumelana kukagesi kwe-graphitized petroleum coke kwehla kakhulu, futhi ukuqhubela kwayo kudlula okwe-petroleum coke evamile. Lokhu kungenxa yokuthi isakhiwo esihleliwe sezendlalelo sinciphisa ukuhlakazeka kwama-electron, okuvumela ama-electron ukuthi ahambe ngokukhululeka. Isibonelo, ezintweni ze-electrode yebhethri, i-graphitized petroleum coke inganikeza umphumela wamanje ozinzile.
Ukushisa Okushisayo: Ama-athomu ekhabhoni ahlelwe eduze esakhiweni esinezingqimba enza kube lula ukudluliselwa kokushisa okusheshayo ngokudlidliza kwe-lattice. Lesi sici senza i-graphitized petroleum coke ibe yinhle kakhulu ekusetshenzisweni ezintweni zokusabalalisa ukushisa, njengezinki zokushisa zezingxenye ze-elekthronikhi.
Izakhiwo Zomshini: Isakhiwo sekristalu se-graphitized petroleum coke siyinika ubulukhuni obuphezulu kanye nokumelana nokuguguleka, kuyilapho igcina izinga elithile lokuguquguquka, okwenza ingabi sengozini yokuqhekeka kalula.
Ukuzinza Kwamakhemikhali: Ukwelashwa ngezinga lokushisa eliphezulu kususa ukungcola okuningi (njengesulfure nomlotha), kunciphisa inani lezindawo ezisebenzayo zokusabela kwamakhemikhali futhi kwenze i-graphitized petroleum coke izinze kakhudlwana ezindaweni ezigqwalisayo.
3. Ukukhetha Okuhlukile Kwezimo Zokusebenza
I-Coke Ejwayelekile Ye-Petroleum: Ngenxa yezindleko zayo eziphansi, ivame ukusetshenziswa emikhakheni enezidingo zokusebenza eziqinile, njengophethiloli, izinto zokwakha imigwaqo, noma njengezinto zokusetshenziswa zokwelashwa kwe-graphitization.
I-Graphitized Petroleum Coke: Ngenxa yokuqhuba kwayo kagesi okuphezulu, ukuqhuba kokushisa, kanye nokuqina kwamakhemikhali, isetshenziswa kabanzi emikhakheni ephezulu:
- Ama-Electrode Ebhethri: Njengezinto ezingasebenzi kahle ze-electrode, ithuthukisa ukusebenza kahle kokushaja nokukhipha i-charging kanye nokuphila komjikelezo wamabhethri.
- Imboni Yensimbi: Njenge-carburizer, ilungisa okuqukethwe yikhabhoni kwensimbi encibilikisiwe futhi ithuthukise izakhiwo zensimbi.
- Ukukhiqizwa Kwe-semiconductor: Isetshenziselwa ukukhiqiza imikhiqizo ye-graphite ehlanzekile kakhulu, ehlangabezana nezidingo zomshini wokulungisa ngokunemba.
- Izindiza: Isebenza njengento yokuvikela ukushisa, ibekezelela izindawo ezishisa kakhulu.
4. Izindima Eziyinhloko Zenqubo Yokwenza I-Graphitization
Ukulawulwa Kwezinga Lokushisa: 3000℃ umkhawulo wokushisa obalulekile we-graphitization. Ngaphansi kwaleli zinga lokushisa, ama-athomu e-carbon awakwazi ukuhlela kabusha ngokugcwele, okuholela ekwehlulekeni kwe-graphitization; ngaphezu kwaleli zinga lokushisa, ukushiswa ngokweqile kwezinto kungase kwenzeke, okuthinta ukusebenza kahle.
Ukuvikelwa Komoya: Le nqubo ivame ukwenziwa emoyeni ongasebenzi, njenge-argon noma i-nitrogen, ukuvimbela ama-athomu e-carbon ukuthi angasabelani nomoya-mpilo ukuze akhe i-carbon dioxide, okungaholela ekulahlekelweni kwezinto ezibonakalayo.
Isikhathi Nama-Catalyst: Ukwandisa isikhathi sokubamba noma ukwengeza ama-catalyst (njenge-boron noma i-titanium) kungasheshisa inqubo ye-graphitization, kodwa kwandisa izindleko.
Isikhathi sokuthunyelwe: Disemba-25-2025