Nrog rau txoj kev loj hlob tsis tu ncua ntawm lub ntiaj teb niaj hnub no, lub zog tsis txuas ntxiv tau nce zuj zus ntxiv, thiab tib neeg lub neej tseem ceeb zuj zus los siv lub zog tauj dua tshiab uas sawv cev los ntawm "cua, lub teeb, dej thiab nuclear". Piv nrog rau lwm cov khoom siv hluav taws xob tauj dua tshiab, tib neeg muaj kev paub tab tshaj plaws, muaj kev nyab xeeb thiab txhim khu kev qha rau kev siv lub hnub ci zog. Ntawm lawv, kev lag luam photovoltaic cell nrog high-purity silicon li substrate tau tsim sai heev. Thaum kawg ntawm 2023, kuv lub teb chaws lub hnub ci photovoltaic nruab muaj peev xwm tau tshaj 250 gigawatts, thiab photovoltaic fais fab nroj tsuag tau mus txog 266.3 billion kWh, nce li ntawm 30% xyoo-rau-xyoo, thiab lub zog tshiab ntxiv muaj peev xwm yog 78.42 lab. kilowatts, nce 154% xyoo-rau-xyoo. Txog rau thaum kawg ntawm Lub Rau Hli, qhov tsim muaj peev xwm ntawm cov hluav taws xob photovoltaic yog kwv yees li 470 lab kilowatts, uas tau dhau los ua lub zog hluav taws xob los ua lub zog thib ob hauv kuv lub tebchaws.
Thaum kev lag luam photovoltaic tab tom txhim kho sai, cov ntaub ntawv tshiab kev lag luam txhawb nqa nws kuj tseem txhim kho sai. Quartz Cheebtsam xws liquartz crucibles, quartz nkoj, thiab quartz fwj yog ntawm lawv, ua lub luag haujlwm tseem ceeb hauv cov txheej txheem tsim hluav taws xob photovoltaic. Piv txwv li, quartz crucibles yog siv los tuav molten silicon nyob rau hauv zus tau tej cov silicon rods thiab silicon ingots; quartz nkoj, raj, lub raj mis, ntxuav tank, thiab lwm yam. ua si ib tug bearing muaj nuj nqi nyob rau hauv lub diffusion, tu thiab lwm yam txheej txheem txuas nyob rau hauv zus tau tej cov solar cells, thiab lwm yam., kom ntseeg tau lub purity thiab zoo ntawm silicon cov ntaub ntawv.
Daim ntawv thov tseem ceeb ntawm quartz Cheebtsam rau photovoltaic manufacturing
Nyob rau hauv cov txheej txheem ntawm lub hnub ci photovoltaic hlwb, silicon wafers muab tso rau ntawm ib lub nkoj wafer, thiab lub nkoj yog muab tso rau ntawm ib lub nkoj wafer txhawb rau diffusion, LPCVD thiab lwm yam thermal txheej txheem, thaum silicon carbide cantilever paddle yog lub ntsiab loading tivthaiv rau kev txav. lub nkoj txhawb nqa nqa silicon wafers rau hauv thiab tawm ntawm lub qhov cub cua sov. Raws li pom nyob rau hauv daim duab hauv qab no, silicon carbide cantilever paddle tuaj yeem ua kom lub ntsej muag ntawm silicon wafer thiab lub tshuab ua kom sov, yog li ua rau lub diffusion thiab passivation ntau dua. Nyob rau tib lub sijhawm, nws tsis muaj kuab paug thiab tsis deformed ntawm qhov kub thiab txias, muaj qhov zoo thermal poob siab thiab muaj peev xwm thauj khoom loj, thiab tau siv dav hauv thaj chaw ntawm photovoltaic hlwb.
Schematic daim duab ntawm cov roj teeb tseem ceeb loading Cheebtsam
Nyob rau hauv cov txheej txheem kev tsaws muag muag, cov tsoos quartz nkoj thiabnkoj waferkev txhawb nqa yuav tsum tau muab cov silicon wafer ua ke nrog lub nkoj quartz kev txhawb nqa rau hauv quartz raj hauv qhov cub tawg. Nyob rau hauv txhua txoj kev diffusion, lub nkoj quartz txhawb nqa uas muaj silicon wafers muab tso rau ntawm silicon carbide paddle. Tom qab silicon carbide paddle nkag mus rau hauv lub raj quartz, lub paddle cia li tso rau hauv lub nkoj quartz txhawb nqa thiab silicon wafer, thiab maj mam khiav rov qab mus rau lub hauv paus chiv keeb. Tom qab txhua tus txheej txheem, lub nkoj quartz txhawb nqa yuav tsum tau muab tshem tawm ntawm qhovsilicon carbide paddle. Xws li kev ua haujlwm nquag yuav ua rau lub nkoj quartz txhawb nqa lub sijhawm ntev. Thaum lub nkoj quartz txhawb kev tawg thiab tawg, tag nrho lub nkoj quartz kev txhawb nqa yuav poob tawm ntawm silicon carbide paddle, thiab tom qab ntawd ua rau cov quartz puas tsuaj, silicon wafers thiab silicon carbide paddles hauv qab no. Silicon carbide paddle yog kim thiab tsis tuaj yeem kho. Thaum muaj xwm txheej tshwm sim, nws yuav ua rau muaj kev puas tsuaj loj.
Nyob rau hauv cov txheej txheem LPCVD, tsis tsuas yog cov teeb meem kev ntxhov siab saum toj no yuav tshwm sim, tab sis txij li cov txheej txheem LPCVD xav tau cov roj silane kom dhau los ntawm silicon wafer, cov txheej txheem mus sij hawm ntev tseem yuav tsim cov txheej txheem silicon ntawm lub nkoj wafer thiab nkoj wafer. Vim qhov tsis sib xws ntawm thermal expansion coefficients ntawm cov coated silicon thiab quartz, lub nkoj txhawb nqa thiab lub nkoj yuav tawg, thiab lub neej ncua yuav raug txo qis. Lub neej ntev ntawm cov nkoj quartz zoo tib yam thiab lub nkoj txhawb nqa hauv cov txheej txheem LPCVD feem ntau tsuas yog 2 mus rau 3 lub hlis. Yog li ntawd, nws yog ib qho tseem ceeb tshwj xeeb los txhim kho cov khoom txhawb nqa nkoj kom muaj zog thiab kev pab cuam lub neej ntawm kev txhawb nqa nkoj kom tsis txhob muaj xwm txheej zoo li no.
Nyob rau hauv luv luv, raws li cov txheej txheem lub sij hawm thiab tus naj npawb ntawm cov sij hawm nce thaum lub sij hawm zus tau tej cov hnub ci hlwb, quartz nkoj thiab lwm yam khoom yog nquag mus zais tej kab nrib pleb los yog txawm so. Lub neej ntawm quartz nkoj thiab quartz tubes nyob rau hauv lub tam sim no mainstream ntau lawm kab nyob rau hauv Tuam Tshoj yog hais txog 3-6 lub hlis, thiab lawv yuav tsum tau kaw tsis tu ncua rau tu, tu, thiab hloov quartz nqa. Ntxiv mus, high-purity quartz xuab zeb siv los ua raw khoom rau quartz Cheebtsam yog tam sim no nyob rau hauv ib lub xeev ntawm nruj mov thiab thov, thiab tus nqi tau khiav ntawm ib tug high school lub sij hawm ntev, uas yog obviously tsis conducive rau kev txhim kho ntau lawm. efficiency thiab nyiaj txiag pab.
Silicon carbide ceramics“ua kom pom”
Tam sim no, tib neeg tau tuaj nrog cov khoom siv nrog kev ua tau zoo dua los hloov qee cov khoom siv quartz-silicon carbide ceramics.
Silicon carbide ceramics muaj lub zog zoo txhua yam, thermal stability, kub tsis kam, oxidation tsis kam, thermal shock kuj thiab tshuaj corrosion kuj, thiab yog dav siv nyob rau hauv kub teb xws li metallurgy, machinery, tshiab zog, thiab tsev cov ntaub ntawv thiab tshuaj. Nws qhov kev ua tau zoo kuj tseem txaus rau kev nthuav dav ntawm TOPcon hlwb hauv kev tsim hluav taws xob photovoltaic, LPCVD (tsis tshua muaj tshuaj lom neeg vapor deposition), PECVD (plasma tshuaj vapor deposition) thiab lwm yam thermal txheej txheem txuas.
LPCVD silicon carbide nkoj txhawb nqa thiab boron-expanded silicon carbide nkoj txhawb nqa
Piv nrog rau cov khoom siv quartz ib txwm muaj, kev txhawb nqa nkoj, nkoj, thiab cov khoom siv raj ua los ntawm cov khoom siv silicon carbide ceramic muaj zog dua, zoo thermal stability, tsis muaj deformation ntawm qhov kub thiab txias, thiab lub neej ntev ntawm ntau tshaj 5 npaug ntawm cov khoom siv quartz, uas tuaj yeem ua tau zoo. txo tus nqi ntawm kev siv thiab kev poob ntawm lub zog los ntawm kev saib xyuas thiab downtime. Tus nqi kom zoo dua yog pom tseeb, thiab qhov chaw ntawm cov khoom siv raw yog dav.
Ntawm lawv, cov tshuaj tiv thaiv sintered silicon carbide (RBSiC) muaj qhov kub thiab txias, tsis tshua muaj nqi, cov khoom siv siab, thiab yuav luag tsis muaj qhov ntim thaum lub sij hawm cov tshuaj tiv thaiv sintering. Nws yog tshwj xeeb tshaj yog haum rau kev npaj ntawm loj-loj thiab complex-shaped structural qhov chaw. Yog li ntawd, nws yog qhov tsim nyog tshaj plaws rau kev tsim cov khoom loj thiab cov khoom lag luam xws li kev txhawb nqa nkoj, nkoj, cantilever paddles, rauv tubes, thiab lwm yam.
Silicon carbide wafer nkojkuj muaj kev vam meej loj hlob yav tom ntej. Tsis hais txog ntawm cov txheej txheem LPCVD lossis cov txheej txheem nthuav dav boron, lub neej ntawm lub nkoj quartz yog qhov tsawg, thiab thermal expansion coefficient ntawm cov khoom siv quartz tsis sib haum nrog cov khoom siv silicon carbide. Yog li ntawd, nws yog ib qho yooj yim kom muaj deviations nyob rau hauv tus txheej txheem ntawm kev sib txuam nrog silicon carbide lub nkoj tuav ntawm qhov kub thiab txias, uas ua rau cov teeb meem ntawm co lub nkoj los yog txawm tawg lub nkoj. Lub nkoj silicon carbide txais cov txheej txheem ntawm ib-thooj molding thiab tag nrho ua. Nws cov duab thiab txoj hauj lwm kam rau ua yuav tsum siab, thiab nws koom tes zoo dua nrog silicon carbide nkoj tuav. Tsis tas li ntawd, silicon carbide muaj lub zog siab, thiab lub nkoj tsis tshua muaj kev sib tsoo vim tib neeg kev sib tsoo dua li lub nkoj quartz.
Silicon carbide wafer nkoj
Lub tshuab hluav taws xob lub tshuab hluav taws xob yog lub ntsiab lus hloov hluav taws xob ntawm lub tshuab hluav taws xob, uas ua lub luag haujlwm hauv kev sib khi thiab sib hloov cov cua sov. Piv nrog quartz furnace tubes, silicon carbide furnace tubes muaj thermal conductivity zoo, tsis zoo cua sov, thiab zoo thermal stability, thiab lawv lub neej yog ntau tshaj 5 npaug ntawm quartz raj.
Cov ntsiab lus
Feem ntau, txawm hais tias nyob rau hauv cov nqe lus ntawm cov khoom ua tau zoo los yog tus nqi ntawm kev siv, silicon carbide ceramic cov ntaub ntawv muaj ntau yam zoo dua li cov ntaub ntawv quartz nyob rau hauv tej yam ntawm lub hnub ci cell teb. Daim ntawv thov ntawm silicon carbide ceramic cov ntaub ntawv nyob rau hauv kev lag luam photovoltaic tau zoo heev pab cov tuam txhab photovoltaic txo tus nqi peev ntawm cov khoom siv thiab txhim kho cov khoom zoo thiab kev sib tw. Nyob rau hauv lub neej yav tom ntej, nrog rau daim ntawv thov loj-loj silicon carbide furnace tubes, high-purity silicon carbide nkoj thiab lub nkoj txhawb nqa thiab txo tus nqi tas mus li, daim ntawv thov ntawm silicon carbide ceramic cov ntaub ntawv nyob rau hauv lub tshav pob ntawm photovoltaic hlwb yuav dhau los ua. ib qho tseem ceeb hauv kev txhim kho kev ua tau zoo ntawm lub teeb hluav taws xob hloov dua siab tshiab thiab txo cov nqi lag luam hauv kev tsim hluav taws xob photovoltaic, thiab yuav muaj kev cuam tshuam tseem ceeb rau kev txhim kho photovoltaic tshiab. zog.
Post lub sij hawm: Nov-05-2024