Igwe ọkụ fotovoltaic nke anyanwụ aghọwo ụlọ ọrụ ike ọhụrụ na-ekwe nkwa ụwa. N'iji ya tụnyere polysilicon na amorphous silicon cell cell, monocrystalline silicon, dị ka ihe na-emepụta ihe na-emepụta fotovoltaic, na-enwe ọganihu ngbanwe fotoelectric dị elu na uru azụmahịa dị ịrịba ama, ma ghọọ isi mmalite nke ike fotovoltaic nke anyanwụ. Czochralski (CZ) bụ otu n'ime ụzọ isi kwadebe silicon monocrystalline. Ngwakọta nke Czochralski monocrystalline ọkụ na-agụnye usoro ọkụ, usoro agụụ, usoro gas, usoro ọkụ ọkụ na usoro nchịkwa ọkụ. Usoro ebe ikpo ọkụ bụ otu n'ime ọnọdụ kachasị mkpa maka uto nke silicon monocrystalline, na àgwà nke silicon monocrystalline na-emetụta kpọmkwem site na nkesa gradient okpomọkụ nke ebe okpomọkụ.
A na-ejikarị ihe ndị na-ekpo ọkụ na-ekpo ọkụ na-emepụta ihe ndị na-emepụta carbon (ihe graphite na carbon / carbon composite materials), nke kewara n'ime akụkụ nkwado, akụkụ arụ ọrụ, ihe ọkụ ọkụ, akụkụ nchebe, ihe mkpuchi ọkụ, wdg, dịka ọrụ ha si dị, dị ka egosiri na onyonyo 1. Ka nha silicon monocrystalline na-aga n'ihu na-abawanye, oke ihe achọrọ maka akụrụngwa mpaghara thermal na-abawanye. Ihe mejupụtara Carbon/carbon na-aghọ nhọrọ mbụ maka ihe ọkụkụ ọkụ maka silicon monocrystalline n'ihi nkwụsi ike ya na akụkụ ya dị mma.
Na usoro nke czochralcian monocrystalline silicon, agbaze nke silicon ihe ga-emepụta silicon vapor na a wụrụ awụ silicon splash, na-akpata silicification ozize nke carbon / carbon thermal ubi ihe, na n'ibu Njirimara na ọrụ ndụ nke carbon / carbon thermal ubi ihe bụ. emetụtara nke ukwuu. Ya mere, ka esi ebelata silicification ozize nke carbon/carbon thermal ihe ubi na imeziwanye ndụ ọrụ ha abụrụla otu n'ime ihe na-echekarị nke ndị na-emepụta silicon monocrystalline na ndị na-emepụta ihe ọkụkụ carbon/carbon thermal field.Ihe mkpuchi silicon carbideaghọwo nke mbụ nhọrọ maka elu mkpuchi mkpuchi nke carbon / carbon thermal ubi ihe n'ihi na ya magburu onwe thermal ujo iguzogide na eyi iguzogide.
N'ime akwụkwọ a, na-amalite site na carbon / carbon thermal field ihe eji eme ihe na mmepụta silicon monocrystalline, ụzọ nkwadebe bụ isi, uru na ọghọm nke mkpuchi silicon carbide na-ewebata. Na ndabere nke a, ngwa na nyocha ọganihu nke silicon carbide mkpuchi na carbon / carbon thermal ubi ihe na-enyocha dị ka e ji mara nke carbon / carbon thermal ubi ihe, na aro na mmepe ntụziaka maka elu mkpuchi mkpuchi nke carbon / carbon thermal ubi ihe. na-etinye n'ihu.
1 Nkwadebe teknụzụ nkesilicon carbide mkpuchi
1.1 Usoro ntinye
A na-ejikarị usoro ntinye aka iji dozie mkpuchi dị n'ime nke silicon carbide na C / C-sic composite material system. Usoro a na-ebu ụzọ were ntụ ntụ gwakọtara kechie ihe mejupụtara carbon/carbon, wee mee ọgwụgwọ okpomọkụ n'oge ụfọdụ. Usoro mmeghachi omume physico-chemical dị mgbagwoju anya na-eme n'etiti ntụ ntụ agwakọta na elu nke ihe nlele iji mepụta mkpuchi. Uru ya bụ na usoro ahụ dị mfe, naanị otu usoro nwere ike ịkwadebe ihe mejupụtara matriks na-enweghị mgbape; Obere nha mgbanwe site na preform gaa na ngwaahịa ikpeazụ; Kwesịrị ekwesị maka ihe ọ bụla agbakwunyere eriri; Enwere ike ịmepụta gradient ụfọdụ n'etiti mkpuchi na ihe nkedo, nke a na-ejikọta ya na nke ọma. Agbanyeghị, enwerekwa ọghọm dị ka mmeghachi omume kemịkalụ na oke okpomoku, nke nwere ike imebi eriri ahụ, yana njiri arụ ọrụ nke carbon/carbon matrix na-ada. Ịdị n'otu nke mkpuchi ahụ siri ike ịchịkwa, n'ihi ihe ndị dị ka ike ndọda, nke na-eme ka mkpuchi na-adịghị mma.
1.2 Slurry mkpuchi usoro
Usoro mkpuchi slurry bụ ịgwakọta ihe mkpuchi na ihe nkedo n'ime ngwakọta, na-agbaze n'elu matriks ahụ, mgbe akpọnwụsịrị na ikuku inert, a na-agbanye ihe mkpuchi ahụ na okpomọkụ dị elu, a pụkwara inweta mkpuchi achọrọ. Ihe bara uru bụ na usoro ahụ dị mfe ma dị mfe iji rụọ ọrụ, na mkpuchi mkpuchi dị mfe ịchịkwa; Ihe na-adịghị mma bụ na enweghi ike njikọ na-adịghị mma n'etiti mkpuchi na ihe mkpuchi ahụ, na nkwụsị ọkụ ọkụ nke mkpuchi ahụ adịghị mma, na ịdị n'otu nke mkpuchi dị ala.
1.3 Usoro mmeghachi omume vapor
Usoro mmeghachi omume kemịkalụ (CVR) bụ usoro nke na-ebupụ ihe silicon siri ike n'ime vapor silicon n'otu ọnọdụ okpomọkụ, mgbe ahụ, vapor silicon na-agbasa n'ime na elu nke matriks, wee meghachi omume n'ọnọdụ ya na carbon na matriks iji mepụta. silicon carbide. Uru ya gụnyere otu ikuku n'ime ọkụ, ọnụego mmeghachi omume na-agbanwe agbanwe na ọkpụrụkpụ nke ihe mkpuchi mkpuchi ebe niile; Usoro dị mfe ma dị mfe iji rụọ ọrụ, na mkpuchi mkpuchi nwere ike ịchịkwa site n'ịgbanwe nrụgide vapor silicon, oge ntinye na ihe ndị ọzọ. Mwepu bụ na ihe nlele na-emetụta nke ukwuu site na ọnọdụ n'ime ọkụ, na silicon vapor mgbali na ọkụ enweghị ike iru theoretical uniformity, na-akpata na-erughị eru mkpuchi ọkpụrụkpụ.
1.4 Usoro ntinye mmiri kemịkalụ
Kemịkalụ vapor deposition (CVD) bụ usoro nke a na-eji hydrocarbons dị ka isi iyi gas na ịdị ọcha dị elu N2/Ar dị ka ikuku na-ebu gas iji webata gas agwakọta n'ime ihe nrụpụta kemịkalụ kemịkalụ, na hydrocarbons na-ere, gbakọọ, gbasaa, gbasaa ma dozie n'okpuru. ụfọdụ okpomọkụ na nrụgide ịmepụta ihe nkiri siri ike n'elu ihe ndị mejupụtara carbon/carbon. Uru ya bụ na enwere ike ịchịkwa njupụta na ịdị ọcha nke mkpuchi; Ọ dịkwa mma maka ọrụ-ibe nwere ọdịdị dị mgbagwoju anya; Enwere ike ịchịkwa usoro kristal na ọdịdị elu nke ngwaahịa ahụ site n'ịgbanwe usoro nkwụnye ego. Ihe ọghọm ndị ahụ bụ na ọnụ ọgụgụ ntinye ego dị oke ala, usoro ahụ dị mgbagwoju anya, ọnụ ahịa mmepụta dị elu, enwere ike ịnwe ntụpọ mkpuchi, dị ka mgbawa, ntụpọ ntupu na ntụpọ elu.
Na nchịkọta, usoro ntinye na-ejedebe na njirimara nkà na ụzụ ya, nke kwesịrị ekwesị maka mmepe na mmepụta nke ụlọ nyocha na ihe ndị dị ntakịrị; Usoro mkpuchi adịghị adabara maka mmepụta oke n'ihi na ọ naghị agbanwe agbanwe. CVR usoro nwere ike izute uka mmepụta nke nnukwu size ngwaahịa, ma ọ nwere elu chọrọ maka akụrụngwa na nkà na ụzụ. Usoro CVD bụ usoro dị mma maka ịkwadebeMkpuchi SIC, mana ọnụ ahịa ya dị elu karịa usoro CVR n'ihi ihe isi ike ya na njikwa usoro.
Oge nzipu: Feb-22-2024