Usoro nhazi ihe nketa bụ teknụzụ nke, n'oge nkwadebe ihe ndị e ji eme ka ihe ndị dị ka carbon, na-eji ihe ndị na-akpali akpali (dịka ígwè, ferrosilicon, boron, wdg) iji mee ka mgbanwe nke carbon amorphous ka ọ bụrụ nhazi graphite dị mfe na obere okpomọkụ.
Ụkpụrụ Nkà na ụzụ
Isi ihe dị mkpa nke nhazi ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe dị na ya dị bụ iji ihe na-eme ka ihe na-eme ka ihe dị na ya belata ike mkpali nke mmeghachi omume ihe na-eme na ya, si otú a na-eme ka mgbanwe nke atọm carbon si na nhazi na-adịghị mma gaa na nhazi ihe na-eme ka ihe dị na ya dị ngwa. Usoro ndị a gụnyere echiche abụọ:
Usoro Mgbaze na Mmiri:
Kabọn amorphous na-agbaze n'ime ngwakọta agbaze nke ihe na-akpali akpali mepụtara. Mgbe agbaze ahụ ruru ọnọdụ juputara na mmiri, atọm carbon na-apụta n'ụdị kristal graphite.
Dịka ọmụmaatụ, ihe na-akpali ferrosilicon nwere ike ịgbaze ruo 2% carbon na 1600°C, na-akpali ka carbon na-apụta dị ka graphite. N'otu oge ahụ, nhazi nke ihe owuwu silicon carbide hexagonal na-enyere aka na nhazi graphite.
Usoro nhazi Carbide-Recomposition:
Ihe na-akpali mmeghachi omume na carbon iji mepụta carbide, nke na-agbaze ghọọ graphite na uzuoku ígwè n'oge okpomọkụ dị elu.
Dịka ọmụmaatụ, iron oxide na-emeghachi omume na carbon iji mepụta iron na carbon monoxide. Iron ahụ na-ejikọta ya na carbon iji mepụta iron carbide, nke na-emecha gbazee ka ọ bụrụ carbon na iron a na-ese foto ya ngwa ngwa.
Ụdị na Mmetụta Ihe Mmelite
Ihe na-akpali Ferrosilicon:
- Ọdịnaya silicon kacha mma bụ 25%, nke nwere ike ibelata okpomọkụ graphitization site na 2500-3000°C ruo 1500°C.
- Nha nke ferrosilicon na-emetụta mmetụta nke catalytic: mgbe nha nke ihe ndị ahụ belatara site na 75 μm ruo 50 μm, iguzogide eletriki na-ebelata. Agbanyeghị, obere ihe ndị ahụ (<50 μm) nwere ike ibute mmụba na iguzogide.
Ihe na-akpali Boron:
- Ọ nwere ike ibelata okpomọkụ graphitization ruo n'okpuru 2200 ° C ma melite ogo nhazi nke eriri carbon.
- Dịka ọmụmaatụ, itinye 0.25% boric acid na ihe nkiri graphene oxidized na iji ya mee ihe na okpomọkụ na 2000°C na-eme ka ike eletrik dịkwuo elu site na 47% na ogo graphitization site na 80%.
Ihe na-akpali ígwè:
- Ígwè nwere ebe agbaze nke 1535°C. Mgbe etinyere silicon, ebe agbaze ahụ na-ada ruo ihe dị ka 1250°C, mmetụta nke catalytic na-amalitekwa n'ọnọdụ okpomọkụ a.
- Ígwè na-agbapụ n'ụdị gas na 2000°C, ebe silicon na-agbapụ dị ka uzuoku karịa 2240°C, na-ahapụghị ihe fọdụrụ na ngwaahịa ikpeazụ.
Uru Teknụzụ
Nchekwa Ike:
Nhazi eserese ọdịnala chọrọ oke okpomọkụ nke 2000-3000°C, ebe nhazi eserese catalytic nwere ike ibelata okpomọkụ ruo ihe dị ka 1500°C, na-azọpụta ike nke ukwuu.
Usoro Mmepụta Mkpụmkpụ:
Ọrụ nke catalytic na-eme ka nhazi nke atọm carbon dị ngwa ngwa, na-ebelata oge nhazi graphitization.
Arụmọrụ Ihe Emere Ka Ọ Dịkwuo Mma:
Nhazi eserese nke Catalytic nwere ike idozi ntụpọ nhazi ma mee ka ogo nhazi eserese dịkwuo elu, si otú a melite njikwa eletriki, njikwa okpomọkụ, na ike igwe.
- Dịka ọmụmaatụ, eserese nke boron catalyzed na-emepụta ihe nkiri graphene nwere ike ịrụ ọrụ eletriki nke 3400 S/cm, nke dabara adaba maka iji na ngwa eletrọniki na-agbanwe agbanwe na nchekwa nnyonye anya electromagnetic.
Ebe Ngwa
Ihe Electrode:
Elektrọd graphite nke e ji catalytic graphitization kwadebe na-egosipụta ike eletriki dị elu na iguzogide okpomọkụ, na-eme ka ha dabara adaba maka ụlọ ọrụ dịka metallurgy na electrochemistry.
Ihe Nchekwa Ike:
A na-eji ihe ndị e ji graphitized carbon eme ihe dị ka anode na batrị lithium/sodium, na-eme ka ikike chajị na mwepụta nke ihe ndị na-agbapụta chajị dịkwuo mma ma na-eme ka okirikiri kwụsie ike.
Ihe mejupụtara:
Teknụzụ eserese Catalytic nwere ike imepụta ihe mejupụtara carbon/carbon dị elu maka ojiji na mbara igwe, mmepụta ụgbọala, na mpaghara ndị ọzọ.
Ihe ịma aka teknụzụ
Nhọrọ na Nhazi nke Catalyst:
Ihe mkpali dị iche iche na-egosipụta mmetụta dị iche iche nke ihe mkpali, na-achọ nhọrọ nke ihe mkpali kwesịrị ekwesị dabere na ụdị ihe na ọnọdụ usoro.
Nsogbu Ihe Mbibi nke Catalyst:
Ụfọdụ ihe na-akpali akpali (dịka vanadium) nwere ebe agbaze agbaze dị elu ma ọ na-esiri ike iwepụ kpamkpam mgbe graphitization gasịrị, nke nwere ike imetụta ịdị ọcha nke ihe.
Njikwa Usoro:
Nhazi eserese nke Catalytic na-emetụta paramita dịka okpomọkụ, ikuku, na oge, nke chọrọ njikwa ziri ezi iji zere oke eserese ma ọ bụ enweghị eserese zuru oke.
Oge ozi: Ọktoba-09-2025