Graphite bụ ihe pụrụ iche na nke pụrụ iche nke nwere ihe dị ịrịba ama thermal conductivity properties. The thermal conductivity nke graphite na-abawanye na okpomọkụ nke okpomọkụ, na thermal conductivity nwere ike iru 1500-2000 W / (mK) na ụlọ okpomọkụ, nke bụ ihe dị ka 5 ugboro. nke ọla kọpa na ihe karịrị ugboro 10 nke aluminom ígwè.
Thermal conductivity na-ezo aka ike nke ihe na-eduzi okpomọkụ.A na-atụ ya n'ihe gbasara ngwa ngwa okpomọkụ nwere ike isi na-esi n'ihe pụta.Graphite, ụdị carbon na-emekarị, nwere otu n'ime ọkụ ọkụ kachasị elu n'etiti ihe niile amaara.Ọ na-egosiputa thermal conductivity nke pụrụ iche na ntụziaka perpendicular na ọkwa ya, na-eme ka ọ bụrụ ihe dị mma maka ọtụtụ ngwa.
Ọdịdị Graphitenwere ọkwa nke carbon carbon a haziri n'ime lattice hexagonal.N'ime oyi akwa nke ọ bụla, atom carbon carbon na-ejikọta ọnụ site na njikọ njikọ siri ike.Agbanyeghị, njikọ dị n'etiti ọkwa, nke a maara dị ka ndị agha Van der Waals, adịghị ike.Ọ bụ nhazi nke carbon carbon n'ime ọkwa ndị a na-enye graphite njirimara okpomọkụ pụrụ iche ya.
The thermal conductivity nke graphite bụ n'ụzọ bụ isi n'ihi na ya elu carbon ọdịnaya na pụrụ iche crystal Ọdịdị.Njikọ carbon-carbon n'ime oyi akwa ọ bụla na-enye ohere ka okpomọkụ na-ebufe ngwa ngwa n'ime ụgbọelu nke oyi akwa. Site na chemical formular nke graphite, anyị nwere ike ịghọta ndị na-adịghị ike n'etiti oyi akwa na-eme ka phonons (vibrational ume) mee njem ngwa ngwa. site na lattice.
Igwe ọkụ dị elu nke graphite emeela ka a na-eji ya eme ihe na ụlọ ọrụ dị iche iche.
I: Eletrọd graphite na-emepụta.
Graphite bụ otu n'ime isi ihe makan'ichepụta graphite electrode, nke nwere uru nke elu thermal conductivity, elu okpomọkụ na-eguzogide, ezigbo kemịkalụ kwụsie ike, elu n'ibu ike, ya mere a na-eji ọtụtụ ebe na metallurgy, chemical ụlọ ọrụ, eletriki ike na ndị ọzọ ọrụ na electrolytic na ọkụ ọkụ usoro.
II:A na-eji graphite eme ihe n'ọhịa nke eletrọnịkị.
A na-eji graphite mee ihe dị ka ihe na-ekpo ọkụ na-ekpo ọkụ na-ekpochapụ okpomọkụ nke ngwaọrụ eletrọnịkị na-emepụta dị ka transistor, sekit agbakwunyere, na modul ike.Ikike ya iji nyefee okpomọkụ nke ọma na ngwaọrụ ndị a na-enyere aka ịnọgide na-enwe nkwụsi ike ma na-egbochi ikpo ọkụ.
III: graphite na-eji n'ichepụta nkecruciblesna ebu maka nkedo ígwè.
Igwe ọkụ ọkụ ya dị elu na-enye ohere maka ịnyefe ọkụ ọkụ nke ọma, na-eme ka ikpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na metal.Nke a, n'aka nke ya, na-eme ka mma na nkwụsị nke ngwaahịa ikpeazụ.
IV:A na-eji ikuku ọkụ eserese eserese na ụlọ ọrụ ikuku.
A na-eji ihe ndị mejupụtara graphite eme ihe n'ịrụ ụgbọ elu na akụkụ ụgbọ elu.Njirimara mbufe okpomoku pụrụ iche nke graphite na-enyere aka n'ịchịkwa oke okpomoku enwere n'oge ọrụ oghere na ụgbọ elu na-agba ọsọ.
V: A na-eji graphite eme ihe dị ka mmanụ mmanu n'ụlọ ọrụ dị iche iche.
A na-ejikarị ya eme ihe n'ichepụta usoro ebe okpomọkụ dị elu na nrụgide na-etinye aka, dị ka igwe ụgbọ ala na ígwè ọrụ ígwè.Ikike nke graphite iguzogide oke okpomọkụ ma na-ebelata esemokwu na-eme ka ọ bụrụ mmanu mmanu maka ngwa dị otú ahụ.
VI:A na-eji Graphite eme nchọpụta sayensị.
A na-ejikarị ya eme ihe dị ka ihe ọkọlọtọ maka ịlele thermal conductivity nke ihe ndị ọzọ.Ụkpụrụ na-ekpo ọkụ ọkụ nke ọma nke graphite na-eje ozi dị ka ebe ntụaka maka atụnyere na nyochaa njirimara nnyefe okpomọkụ nke ihe dị iche iche.
Na mmechi, graphite thermal conductivity bụ ihe pụrụ iche n'ihi nhazi kristal pụrụ iche na ọdịnaya carbon dị elu.Ikike ya iji nyefee okpomọkụ nke ọma emeela ka ọ dị mkpa na ụlọ ọrụ dị iche iche, gụnyere ngwá electronic, nkedo ígwè, ikuku ikuku, na mmanu mmanu.Ọzọkwa, graphite na-eje ozi dị ka ihe benchmark maka ịlele thermal conductivity nke ihe ndị ọzọ.Site n'ịghọta na ijikwa ihe pụrụ icheNjirimara nke graphite, Anyị nwere ike ịga n'ihu na-enyocha ngwa ọhụrụ na ọganihu n'ọhịa nke nnyefe ọkụ na njikwa okpomọkụ.
Oge nzipu: Ọgọst-06-2023