Gịnị mere graphite electrodes nwere ike idi elu okpomọkụ gburugburu?
Eletrọd graphite na-arụ ọrụ dị oke mkpa na ụlọ ọrụ ọgbara ọhụrụ, ọkachasị na ngwa dị na gburugburu ebe okpomọkụ dị elu, dị ka nchara ọkụ eletrik, aluminom electrolysis, na nhazi electrochemical. Ihe kpatara ya mere electrodes graphite nwere ike iguzogide gburugburu okpomọkụ dị elu bụ ihe a na-ekwu na ha pụrụ iche nke anụ ahụ na kemịkal. Isiokwu a ga-enyocha n'ụzọ zuru ezu na ọmarịcha arụmọrụ nke electrodes graphite na gburugburu okpomọkụ dị elu site na akụkụ dị ka nhazi, ihe ọkụkụ, nkwụsi ike kemịkalụ, na ike ọrụ nke graphite.
1. Njirimara nhazi nke graphite
Graphite bụ ihe arụrụ arụ nwere nke nwere carbon carbon mejupụtara. N'ihe owuwu kristal nke graphite, a na-ahazi atom carbon n'okirikiri atụmatụ hexagonal. A na-ejikọta carbon carbon dị n'ime oyi akwa ọ bụla site na njikọ dị ike nke covalent, ebe akwa ahụ na-ejikọta ibe ha site na ndị agha van der Waals na-adịghị ike. Ihe owuwu a nwere akwa akwa na-enye graphite nwere akụrụngwa anụ ahụ na kemịkal pụrụ iche.
Njikọ covalent siri ike n'ime n'ígwé: Njikọ dị n'etiti carbon carbon dị n'ígwé dị ike nke ukwuu, na-enyere graphite aka ịnọgide na-enwe nkwụsi ike nhazi ọbụna na okpomọkụ dị elu.
Ndị agha van der Waals na-adịghị ike n'etiti ọkwa: Mmekọrịta dị n'etiti akwa akwa adịghị ike, nke na-eme ka graphite nwee ike ịbanye n'ime oghere mgbe etinyere ya na ike mpụga. Njirimara a na-enye graphite ezigbo mmanu na nhazi.
2. Thermal Njirimara
Arụmọrụ kacha mma nke electrodes graphite na gburugburu oke okpomọkụ na-abụkarị n'ihi njirimara ọkụ ha pụtara ìhè.
Ebe mgbaze dị elu: Graphite nwere ebe mgbaze dị oke elu, ihe dịka 3,652 Celsius C, nke dị elu karịa nke ọtụtụ ọla na alloys. Nke a na-enyere graphite aka ịnọgidesi ike na oke okpomọkụ na-enweghị agbaze ma ọ bụ nrụrụ.
High thermal conductivity: Graphite nwere mmetụta dị elu nke okpomọkụ, nke nwere ike ime ngwa ngwa ma gbasaa okpomọkụ, na-egbochi ikpo ọkụ mpaghara. Njirimara a na-eme ka electrode graphite na-ekesa okpomọkụ na gburugburu ebe okpomọkụ dị elu, belata nrụgide okpomọkụ ma gbasaa ndụ ọrụ.
Ọnụ ọgụgụ dị ala nke mgbasawanye thermal: Graphite nwere ọnụọgụ dị ntakịrị nke mgbasawanye thermal, nke pụtara na olu ya na-agbanwe obere na okpomọkụ dị elu. Njirimara a na-enyere electrodes graphite aka ịnọgide na-enwe nkwụsi ike akụkụ na gburugburu okpomọkụ dị elu, na-ebelata nrụgide nrụgide na nrụrụ site na mgbasawanye ọkụ.
3. Chemical kwụsie ike
Nkwụsi ike kemịkalụ nke electrodes graphite na gburugburu okpomọkụ dị elu bụkwa otu n'ime isi ihe na-eme ka ha nagide okpomọkụ dị elu.
Nguzogide Oxidation: N'ebe okpomọkụ dị elu, mmeghachi omume mmeghachi omume nke graphite na oxygen na-adị ngwa ngwa, karịsịa na gas inert ma ọ bụ ibelata ikuku, ebe ọnụọgụ oxidation nke graphite dị ntakịrị. Nguzogide oxidation a na-enyere ndị electrodes graphite aka iji ogologo oge na gburugburu ebe okpomọkụ dị elu na-enweghị oxidized na ike gwụrụ.
Nguzogide corrosion: Graphite nwere ezigbo nguzogide corrosion nye ọtụtụ acid, alkalis na salts, nke na-enyere electrodes graphite aka ịnọgidesi ike na gburugburu okpomọkụ na corrosive. Dịka ọmụmaatụ, n'oge usoro electrolytic nke aluminom, graphite electrodes nwere ike iguzogide corrosion nke aluminum gbazere na fluoride salts.
4. Mechanical ike
Ọ bụ ezie na mmekọrịta interlaminar nke graphite adịghị ike, njikọ njikọ siri ike n'ime usoro intramellar ya na-enye graphite ike ọrụ dị elu.
Ike mkpakọ dị elu: Electrodes graphite nwere ike ịnọgide na-enwe ike mkpakọ dịtụ elu ọbụlagodi na oke okpomọkụ, nke nwere ike iguzogide nrụgide dị elu na mmetụta dị na ọkụ ọkụ eletrik.
Ngwọta ujo dị oke mma: ọnụ ọgụgụ dị ala nke mgbasawanye thermal na elu thermal conductivity nke graphite na-enye ya ezigbo nguzogide ujo ọkụ, na-enyere ya aka ịnọgide na-eguzosi ike n'ezi ihe n'oge ikpo ọkụ ngwa ngwa na usoro jụrụ oyi ma belata mgbawa na mmebi nke nrụgide okpomọkụ kpatara.
5. Ngwa eletriki
Ọrụ eletriki nke electrodes graphite na gburugburu okpomọkụ dị elu bụkwa ihe dị mkpa maka ngwa ngwa ha sara mbara.
Igwe ọkụ eletrik dị elu: Graphite nwere ezigbo ọkụ eletrik, nke nwere ike iduzi ugbu a nke ọma ma belata ọnwụ ike. Njirimara a na-enyere electrodes graphite aka ịnyefe ike eletrik nke ọma na ọkụ ọkụ ọkụ na usoro electrolysis.
Low resistivity: Obere resistivity nke graphite na-enyere ya aka ịnọgide na-enwe a dịtụ ala nguzogide na elu okpomọkụ, ibelata okpomọkụ ọgbọ na ume ọnwụ, na imeziwanye ike itinye n'ọrụ arụmọrụ.
6. Nhazi arụmọrụ
Ọrụ nhazi nke electrodes graphite bụkwa ihe dị mkpa maka ngwa ha na gburugburu okpomọkụ dị elu.
Easy processability: Graphite nwere magburu onwe processability na ike-esichara n'ime electrodes nke dị iche iche shapes na nha site n'ibu nhazi, mbịne, egwe ọka na ndị ọzọ usoro izute chọrọ dị iche iche ngwa ndapụta.
Ịdị ọcha dị elu: electrodes graphite dị elu nwere nkwụsi ike na arụmọrụ dị mma na gburugburu ebe okpomọkụ dị elu, nke nwere ike ibelata mmeghachi omume kemịkalụ na ntụpọ nhazi nke ihe adịghị ọcha kpatara.
7. Ngwa atụ
A na-eji elektrọd graphite eme ihe n'ọtụtụ ebe mmepụta ihe na-ekpo ọkụ. Ndị a bụ ụfọdụ atụ ngwa ngwa:
Igwe ọkụ ọkụ eletrik na-eme nchara: N'ime usoro nchara ọkụ eletrik, electrodes graphite, dị ka ihe na-eduzi, nwere ike iguzogide okpomọkụ dị ka 3000 Celsius C, na-atụgharị ike eletrik ka ọ bụrụ ike ọkụ iji gbazee nchara na igwe ezi.
Electrolytic aluminum: N'oge usoro aluminom electrolytic, graphite electrode na-eje ozi dị ka anode, nke nwere ike iguzogide okpomọkụ dị elu na corrosion nke aluminom gbazere na fluoride salts, na-eduzi nke ọma ugbu a, na-akwalite mmepụta electrolytic nke aluminum.
Igwe eji eletrọnịkị: N'ime igwe elektrọnịkị, elektrọd graphite, dị ka elektrọd ngwaọrụ, nwere ike ịrụ ọrụ nke ọma na gburugburu oke okpomọkụ na gburugburu ebe na-emebi emebi, na-enweta nhazi na nhazi nke ọma.
Mmechi
Na mmechi, ihe mere graphite electrodes nwere ike idi elu-okpomọkụ gburugburu tumadi dabeere na ha pụrụ iche layered Ọdịdị, magburu onwe thermal Njirimara, chemical kwụsie ike, n'ibu ike, eletriki Njirimara na nhazi arụmọrụ. Njirimara ndị a na-enyere electrodes graphite aka ka ọ kwụsie ike ma na-arụ ọrụ nke ọma na gburugburu okpomọkụ na gburugburu ebe obibi na-emebi emebi, a na-ejikwa ha n'ọhịa dị ka igwe ọkụ ọkụ eletrik, aluminum electrolytic, na nhazi electrochemical. Site na mmepe nke teknụzụ mmepụta ihe na-aga n'ihu, arụmọrụ na ngwa ngwa nke electrodes graphite ga-agbasawanye, na-enye ihe ngwọta a pụrụ ịdabere na ya na nke ọma maka ụlọ ọrụ okpomọkụ.
Oge nzipu: Eprel-21-2025