Hauv kev lag luam photovoltaic hnub ci (PV) uas hloov pauv sai sai, kev ua tib zoo thiab kev tsim kho tshiab ntawm cov khoom siv yog qhov tseem ceeb rau kev txhim kho kev hloov pauv hluav taws xob. Ntawm cov phab ej tsis tau paub hauv cov txheej txheem no yog Solar Graphite Boat, ib qho khoom tshwj xeeb tsim los rau kev tsim khoom semiconductor kub siab. Tsim los ntawm VET Energy, lub tuam txhab tsim khoom siv siab heev, cov nkoj graphite no ua lub luag haujlwm tseem ceeb hauv kev tsim cov roj teeb hnub ci ua haujlwm siab. Cia peb tshawb nrhiav lawv cov ntawv thov, cov khoom siv lub cev, thiab vim li cas lawv thiaj li tseem ceeb hauv cov thev naus laus zis hnub ci niaj hnub no.
Lub Nkoj Graphite Hnub Ci yog dab tsi?
Lub Nkoj Graphite Hnub Ci yog ib lub qauv nqa khoom siv hauv cov txheej txheem Plasma Enhanced Chemical Vapor Deposition (PECVD), uas yog ib kauj ruam tseem ceeb hauv kev tsim cov roj teeb hnub ci. Nws tuav cov silicon wafers kom ruaj ntseg thaum lub sijhawm tso cov zaj duab xis nyias, xws li cov txheej tiv thaiv kev cuam tshuam thiab cov txheej passivation, uas yog qhov tseem ceeb rau kev nqus lub teeb thiab txo qis kev poob zog hauv cov roj teeb hnub ci.
VET Energy'sCov nkoj graphite PECVDLawv tau tsim los kom tiv taus cov xwm txheej hnyav thaum ua kom ntseeg tau tias muaj kev sib npaug thiab kev ntseeg tau. Lawv txoj kev tsim qauv cuam tshuam ncaj qha rau qhov zoo ntawm cov yeeb yaj kiab tso tawm, uas ua rau txiav txim siab qhov ua tau zoo thiab kev ruaj khov ntawm cov khoom siv hnub ci kawg.
Cov Ntawv Thov Tseem Ceeb hauv Kev Tsim Khoom Siv Hnub Ci PV
1. Kev Tso Tawm Txheej Txheem Tiv Thaiv Kev Txav Mus Los
Cov roj teeb hnub ci siv cov txheej tiv thaiv kev cuam tshuam los txo qhov kev cuam tshuam ntawm lub teeb thiab ua kom cov photon nqus tau ntau dua. Lub nkoj graphite ua kom cov silicon wafers raug rau cov pa roj reactive sib npaug thaum lub sijhawm PECVD, tsim kom muaj txheej txheej sib npaug uas ua kom lub teeb ntes tau zoo.
2. Kev Ua Kom Nto Nto
Cov txheej passivation (piv txwv li, silicon nitride) raug siv los txo qhov tsis zoo ntawm qhov chaw thiab kev poob ntawm kev sib xyaw ua ke. VET Energy lub nkoj tswj hwm qhov kub thiab kev faib roj kom raug, qhov tseem ceeb rau kev tsim cov txheej passivation uas tsis muaj qhov tsis zoo uas ua rau lub cell ntev dua.
3. Kev Tsim Khoom Siv Tau Zoo
Tsim los kom sib xws nrog cov tshuab PECVD hauv kev lag luam, cov nkoj no txhawb nqa kev ua tiav sai ntawm ntau lub wafers tib lub sijhawm, ua kom muaj kev ua haujlwm zoo dua rau cov kab ntau lawm ntawm cov vaj huam sib luag hnub ci loj.
Cov Khoom Siv Zoo Tshaj Plaws ntawm VET Energy's Graphite Boats
Kev ua tau zoo ntawm lub nkoj graphite nyob ntawm nws cov khoom siv. VET Energy muab kev tsim kho graphite siab heev nrog cov txheej txheem tshwj xeeb los xa cov hauv qab no:
1. Kev Ruaj Ntseg Thermal Zoo Tshaj Plaws
- Qhov kub ua haujlwm hauv PECVD feem ntau tshaj 1,200 ° C. Cov nkoj khaws cia qhov ruaj khov ntawm cov qauv thiab txo qhov kev nthuav dav thermal, ua kom ntseeg tau tias cov wafer sib dhos zoo txawm tias nyob hauv qhov kub thiab txias sai.
- Kev ua kom muaj cua sov siab (23 W/m·K) ua kom muaj kev faib cua sov sib npaug, tiv thaiv cov kub uas yuav ua rau cov wafers puas tsuaj.
2. Kev Tiv Thaiv Tshuaj
- Tiv taus cov pa roj corrosive xws li NH₃ thiab SiH₄, uas feem ntau nyob rau hauv cov txheej txheem PECVD. Qhov no ua rau lub nkoj lub neej ntev dua thiab txo cov kev pheej hmoo ntawm kev ua qias tuaj.
3. Kev Tsim Kho Cov Pa Roj Zoo Tshaj Plaws
- Cov qauv tsim tshwj xeeb ua kom cov pa roj ntws sib npaug thoob plaws txhua lub wafers, qhov tseem ceeb rau qhov tuab thiab cov khoom sib xyaw ua ke. Qhov no txhais tau tias lub zog ntawm lub hnub ci zoo dua.
4. Lub Neej Ua Haujlwm Ntev
- Cov txheej txheem CVD siab heev (piv txwv li, silicon carbide lossis tantalum carbide) txhim kho kev ruaj khov. Piv txwv li, VET Energy's TaC-coated Cheebtsam tiv taus qhov kub siab tshaj 2,500 ° C thiab tiv taus cov hlau molten corrosion, lub neej ntev dua peb npaug piv rau cov ntaub ntawv ib txwm muaj.
5. Kev Muaj Peev Xwm Kho Kom Haum
- Cov qhov loj me thiab cov txheej txheem tsim tshwj xeeb kom phim cov khoom siv tshwj xeeb (piv txwv li, qhov loj me ntawm wafer los ntawm 4-nti txog 12-nti) thiab cov txheej txheem xav tau, kom ntseeg tau tias kev sib koom ua ke zoo rau cov kab ntau lawm uas twb muaj lawm.
Lub nkoj graphitevs.nkoj quartz
Kev ua haujlwm kub zoo heev
- Cov nkoj graphite tuaj yeem tiv taus qhov kub siab heev ntawm 1,200 ° C ~ 2,500 ° C, thiab muaj cov coefficient thermal expansion qis hauv qhov ntau no (piv txwv li, cov coefficient thermal expansion ntawm VET Energy cov khoom yog 4.8 × 10⁻⁶ / ° C), uas tuaj yeem tswj tau qhov ruaj khov ntawm cov qauv thiab kev sib dhos wafer. Qhov sib piv, qhov kub siab tshaj plaws ntawm cov nkoj quartz feem ntau yog 1,200 ° C, thiab kev siv kub ntev ntev yuav ua rau deformation lossis tawg.
Kev ua tau zoo heev ntawm thermal conductivity thiab uniformity
- Qhov thermal conductivity ntawm graphite (kwv yees li 23 W/m·K) yog qhov siab dua li ntawm quartz (kwv yees li 1.4 W/m·K), yog li ntawd hauv cov txheej txheem xws li PECVD (plasma enhanced chemical vapor deposition), graphite nkoj tuaj yeem ua tiav kev faib cua sov sib npaug ntau dua, txo qhov sib txawv ntawm wafer zaj duab xis tuab, thiab txhim kho qhov zoo ntawm cov txheej passivation ntawm lub hnub ci cell.
Muaj zog tiv taus tshuaj lom neeg corrosion
- Cov nkoj graphite muaj kev kam rau siab rau cov pa roj corrosive xws li NH₃ (ammonia) thiab SiH₄ (silane), thiab tsim nyog rau cov txheej txheem uas xav tau kev raug cov pa roj reactive (xws li tubular PERC cell txheej). Tsis tas li ntawd, los ntawm kev txheej qhov chaw nrog silicon carbide (SiC) lossis tantalum carbide (TaC), lub neej kev pabcuam tuaj yeem txuas ntxiv mus (piv txwv li, VET Energy's TaC txheej tuaj yeem tiv taus qhov kub siab ntawm 2,500 ° C).
Kev lag luam thiab lub neej ntev
- Cov nkoj graphite ruaj khov dua thiab tuaj yeem siv dua ntau pua zaug ntawm cov kab tsim khoom lag luam, thiab tus nqi txij nkawm qis dua li cov nkoj quartz. Piv txwv li, VET Energy cov nkoj graphite uas tau kho kom haum tuaj yeem txhawb nqa cov kev xav tau ntau lawm ntawm 4 ~ 12-nti wafers los ntawm kev tsim qauv zoo, txo cov nqi txheej txheem rau ib wafer.
Vim Li Cas Thiaj XaivVET Zog?
VET Energy sawv tawm hauv kev lag luam khoom siv siab heev vim nws:
- Kev Paub Txog R&D: Ib pab neeg kev tshaj lij los ntawm cov tsev kawm tshawb fawb saum toj kawg nkaus, suav nrog Suav Academy of Sciences, tsav kev tsim kho tshiab hauv kev tshawb fawb txog cov khoom siv.
- Kev Ruaj Ntseg Zoo: Cov txheej txheem tswj xyuas zoo thiab cov txheej txheem txheej txheem patented (piv txwv li, cov khaubncaws sab nraud povtseg CVD sib txuas nruj nreem) ua kom ntseeg tau tias cov khoom muaj kev ntseeg siab.
- Kev Teb Sai: Cov kev daws teeb meem tshwj xeeb thiab lub sijhawm xa khoom sai (piv txwv li, 15 hnub rau cov xaj qis dua 1,000 units) txo qhov tsis ua haujlwm rau cov chaw tsim khoom.
- Kev lees paub ntawm cov neeg siv khoom: Tom qab ntau xyoo ntawm kev siv tshuab thiab kev sib sau ua ke, VET Energy lub nkoj graphite rau lub hnub ci tau raug xa tawm mus rau ntau dua 100 lub tebchaws thiab thaj chaw, thiab nws cov feem lag luam hauv Tebchaws Europe thiab Tebchaws Meskas yog siab txog 70%, yeej kev qhuas siab thiab kev qhuas dav los ntawm cov neeg siv khoom. Nws yog qhov koj xaiv zoo tshaj plaws.
Lub sijhawm tshaj tawm: Plaub Hlis-22-2025