PERT hnub ci cell | Txhua yam koj yuav tsum paub
PERT hnub ci cell | Txhua yam koj yuav tsum paub
PERT hnub ci hlwb tau ntsuas siab ntawm cov kev ua haujlwm siab hnub ci hluav taws xob thev naus laus zis uas tuaj yeem koom ua ke hauv mono ntsej muag thiab ob lub hnub ci cell tsim.
Txawm hais tias PERT lub hnub ci lub hnub ci yog me ntsis kim dua los tsim dua li lawv cov pa roj carbon monoxide thiab feem ntau yog siv hauv kev lag luam niche xws li lub hnub ci tsheb lossis qhov chaw siv, txhua tus neeg tsim hluav taws xob hnub ci tau mob siab rau tsim thiab ua lag luam nrog lub hom phiaj los muab high-end. thiab cov kev daws teeb meem zoo rau lawv cov neeg siv khoom. Bifacial solar cells tau txais txiaj ntsig loj heev. Yog tias qhov chaw zoo nyob hauv thaj chaw qhib lossis qhov chaw tiaj tus, lawv tuaj yeem nqus lub teeb thiab muaj peev xwm tsim hluav taws xob hluav taws xob los ntawm ob qho tib si ntawm qhov chaw - xaus rau kev xa tawm mus txog 30% nce yields dua li koj cov kab ke.
PERT solar cells: Lawv ua haujlwm li cas?
PERT sawv rau Passivated Emitter Rov Qab Tag Nrho Diffused hlwb. Lawv tau txais qhov sib txawv ntawm sab nraub qaum, uas yog qhov hloov pauv loj heev los ntawm cov khoom siv sib xws uas siv aluminium-alloy BSF. Cias muab tso, lub emitter ntawm p-hom raws li wafer yog tsim los ntawm phosphorus diffusion, thiab BSF yog ua tiav los ntawm boron doping nyob rau hauv p-PERT.
PERT hlwb muaj kev tiv thaiv rau lub teeb-induced obliteration thiab muaj peev xwm acclimate mus rau ib tug bifacial cell zoo. Cov no tau tsis ntev los no piqued qhov kev txaus siab ntawm lub hnub ci PV sector thiab kev tshawb fawb cov tsev kawm qib siab. Cov kws tshawb fawb PV tab tom sim hloov cov qauv ntawm tes los txhim kho cov txiaj ntsig ntawm kev lag luam-siv Si hnub ci hlwb- tshwj xeeb tshaj yog tam sim no tias cov qauv PERC muaj feem cuam tshuam zoo li tau mus txog lub toj siab ntawm nws qhov ua tau zoo ntawm kev hloov pauv hluav taws xob.
PERT solar cells kev ua tau zoo
Nyob rau hauv ib txwm tsis muaj AM1.5 spectrum ntawm 25 ° Celcius kub, high-efficiency passivated emitter; Passivated Emitter Rov Qab Tag Nrho Diffused cov hlwb tau ua tiav qhov kev hloov pauv hluav taws xob ntawm kwv yees li 25 feem pua. Qhov no yog qhov zoo tshaj plaws lub zog hloov dua siab tshiab daim duab puas tau sau tseg rau silicon cell raws li tsis yog-FZ silicon substrate. Qhov me me boron diffusion nyob rau hauv cov qauv ntawm tes ntawm PERT cell tsis tsuas yog txo qis ntawm cov xov tooj ntawm tes tsis kam, tab sis kuj txhawb nqa nws qhov qhib-circuit voltage.
Lub PERC, uas sawv cev rau passivated emitter rear kev sib cuag qauv, nta ib tug localized rov qab nto teb, uas yog lub ntsiab sib txawv ntawm ib tug p-hom PERC thiab ib tug n-hom PERT (BSF). BSF yog sired thaum lub sij hawm hlau co-firing ua hauj lwm los ntawm doping Al rau Si. Los ntawm kev tsim kom muaj kev sib koom ua ke siab-tsawg nrog p-hom Si puag wafer, BSF pab txhim kho lub hnub ci cell efficiency. Cov neeg khiav dej num tsawg raug tshem tawm los ntawm qhov txuas no, uas tiv thaiv lawv los ntawm kev sib txuas ntawm Si wafer sab nraub qaum.
Lub nraub qaum ntawm tus qauv PERT, ntawm qhov tsis sib xws, yog "tag nrho diffused" nrog boron (p-type) lossis phosphorus (n-type). PERT solar cell technology feem ntau yog siv nyob rau hauv n-hom Si hlwb. Qhov no yog kom tau txais txiaj ntsig los ntawm kev ua siab ntev rau cov hlau tsis huv, tsis tshua muaj qhov kub thiab txias coefficient, thiab txo lub teeb-induced diminishment ntawm n-hom Si wafers tshaj p-hom Si wafers. Vim hais tias feem ntau ntawm n-hom wafer yog loaded nrog phosphorus, lub teeb-induced breakdown yog minimized nyob rau hauv n-hom Si, tej zaum vim qis boron-oxygen pairings.
Txawm hais tias qhov no, "tag nrho diffused" BSF xav tau kev ua haujlwm ntawm txoj kev tshiab xws li kub-kub POCL thiab BBr3 diffusion. Raws li qhov tshwm sim, kev tsim PERT hnub ci hlwb yog kim dua li PERC.
Txawm li cas los, lub Passivated Emitter Rov Qab Tag Nrho Diffused Cell 'tag nrho-thaj chaw BSF tuaj yeem muab qhov ua tau zoo dua qhov kev sib txuas tsis tshua muaj kev sib txuas ua ke ntau dua li PERC's confined, coarser Al-based BSF. Lub qhov oxide passivated hu (TOPCON) qauv kuj tuaj yeem ua ke nrog n-hom PERT. Nws muaj peev xwm los pab txhawb lub cuab yeej tso zis ntau dua.
Vim yog Si substrate feathering nrog txuas ntxiv cov haiv neeg tsawg thiab tsis muaj BO complex txuam nrog degradation, N-hom silicon hnub ci hlwb tau nce siab tsis tu ncua ntawm cov kab kos npe nrov. Raws li kev ua haujlwm yooj yim, Bifacial Passivation Emitter thiab PERT n-type solar cells yog cov kev daws teeb meem zoo heev uas tuaj yeem ua haujlwm tau yooj yim. Lub cim ntawm P + emitters yog ib qho ntawm cov txheej txheem PERT tseem ceeb. Tau ntau xyoo, BBr3 diffusion tau tsim los rau kev tsim khoom loj, tab sis n-hom solar cell industrialization tau cuam tshuam los ntawm dopant homogeneity thiab txheej txheem kev koom ua ke. Kev sib xyaw ntawm boron number case spin txheej thiab POCl3 diffusion hauv n-PERT hnub ci hlwb tau kawm thiab sau tseg hauv ntawv tshawb fawb. Lub hnub ci hlwb nrog lub ntsej muag ntawm ntau dua 90 feem pua tau pom tias muaj kev ua haujlwm ntau dua 20.2 feem pua, raws li kev tshawb pom.
Lub n-hom bifacial PERT hnub ci cell tuaj yeem tsim tau siv cov txheej txheem ntws uas suav nrog kev cog ion ion rau ib sab doping. Nws ua rau zoo heev emitter junction zoo thiab sib xws.
PERT hnub ci hlwb muab ntau qhov zoo, feem ntau ntawm cov npe hauv qab no:
● Tsis zoo li PERC hnub ci hlwb, PERT version muaj kev ua haujlwm siab los ntawm kev ua haujlwm ntawm cov khoom siv ntau yam, piv txwv li Boron BSF PERT ntau lub qab nthab, tsis muaj teeb pom kev puas tsuaj (LID).
● Tus nqi ntawm cov tswv cuab yog tib yam li PERC hlwb.
● PERT kab kuj tseem tuaj yeem ua haujlwm rau lub ntsej muag mono lossis bifacial hlwb, ua rau nws muaj peev xwm ua tau ntau yam.
PERT lub hnub ci hnub ci yog tsim los siv ntau txoj hauv kev tshiab thiab kev sib xyaw ua ke los ua kom zoo dua cov xov tooj sib txawv. Tau ntau tshaj kaum xyoo, cov thev naus laus zis tshiab xws li Atmospheric Pressure Chemical Vapor Deposition (APCVD) tau mob siab rau kev tsim khoom los ua cov khoom lag luam nrog kev lees paub siab. Tsis tas li ntawd, siv cov kab rov tav Tube rauv, phosphorus emitter thiab boron BSF yog yielded nyob rau hauv ib lub voj voog kub, ua rau lub voj voog luv luv. Vim Passivated Emitter Rov Qab Tag Nrho Diffused cov hlwb kuj tseem tuaj yeem siv rau hauv cov txheej txheem rov qab-daim ntawv, rov kho cov kab tsim khoom mus los ntawm mono ntsej muag mus rau kev tsim khoom siv bifacial yog txoj haujlwm ntawm ob peb teev nkaus xwb.
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