Tsis ntev los no, TCL Zhonghuan tshaj tawm los sau npe rau cov ntawv cog lus hloov pauv los ntawm MAXN, lub tuam txhab koom nrog, rau US $ 200 lab los txhawb kev tshawb fawb thiab kev loj hlob ntawm nws Maxeon 7 series khoom raws li IBC roj teeb technology. Nyob rau thawj hnub ua lag luam tom qab tshaj tawm, tus nqi sib koom ntawm TCL Central tau nce los ntawm qhov txwv. Thiab Aixu shares, uas tseem siv IBC roj teeb thev naus laus zis, nrog rau ABC roj teeb txog kev tsim khoom loj, tus nqi Tshuag tau nce ntau dua 4 zaug txij li lub Plaub Hlis 27.
Raws li kev lag luam photovoltaic maj mam nkag mus rau N-hom era, N-hom roj teeb tshuab sawv cev los ntawm TOPCon, HJT, thiab IBC tau dhau los ua qhov tseem ceeb ntawm cov lag luam sib tw rau kev teeb tsa. Raws li cov ntaub ntawv, TOPCon muaj peev xwm tsim tau ntawm 54GW, thiab kev tsim kho thiab npaj tsim muaj peev xwm ntawm 146GW; HJT lub peev xwm tsim khoom uas twb muaj lawm yog 7GW, thiab nws qhov kev tsim kho thiab npaj tsim muaj peev xwm yog 180GW.
Txawm li cas los xij, piv nrog TOPCon thiab HJT, tsis muaj ntau pawg IBC. Tsuas muaj ob peb lub tuam txhab hauv cheeb tsam, xws li TCL Central, Aixu, thiab LONGi Green Energy. Tag nrho cov nplai ntawm cov uas twb muaj lawm, nyob rau hauv kev tsim kho thiab npaj tsim muaj peev xwm tsis tshaj 30GW. Koj yuav tsum paub tias IBC, uas muaj keeb kwm ze li ntawm 40 xyoo, twb tau ua lag luam, cov txheej txheem ntau lawm tau loj hlob, thiab ob qho tib si kev ua tau zoo thiab tus nqi muaj qee qhov zoo. Yog li, dab tsi yog vim li cas IBC tsis tau dhau los ua txoj hauv kev thev naus laus zis ntawm kev lag luam?
Platform technology rau kev hloov dua siab tshiab efficiency, txaus nyiam tsos thiab kev lag luam
Raws li cov ntaub ntawv, IBC yog photovoltaic cell qauv nrog rov qab sib txuas thiab rov qab sib cuag. Nws yog thawj zaug tau thov los ntawm SunPower thiab muaj keeb kwm ze li 40 xyoo. Sab pem hauv ntej siv SiNx / SiOx ob txheej txheej los tiv thaiv kev cuam tshuam cov yeeb yaj kiab tsis muaj hlau kab sib chaws; thiab cov emitter, rov qab teb thiab coj zoo thiab tsis zoo hlau electrodes yog integrated nyob rau sab nraum qab ntawm lub roj teeb nyob rau hauv ib tug interdigitated zoo. Txij li thaum sab pem hauv ntej tsis thaiv los ntawm kab sib chaws, qhov teeb meem teeb pom kev zoo tuaj yeem siv rau qhov siab tshaj plaws, qhov zoo ntawm lub teeb-emitting cheeb tsam tuaj yeem nce ntxiv, qhov muag tsis pom kev tuaj yeem raug txo, thiab lub hom phiaj ntawm kev txhim kho photoelectric conversion efficiency yuav ua tau. ua tiav.
Cov ntaub ntawv qhia tau hais tias qhov theoretical conversion efficiency txwv ntawm IBC yog 29.1%, uas yog siab tshaj 28.7% thiab 28.5% ntawm TOPCon thiab HJT. Tam sim no, qhov nruab nrab ntawm qhov kev hloov pauv loj ntawm MAXN qhov tseeb IBC xovtooj ntawm tes tau mus txog ntau dua 25%, thiab cov khoom tshiab Maxeon 7 yuav tsum nce mus rau ntau dua 26%; qhov nruab nrab conversion efficiency ntawm Aixu lub ABC cell yuav tsum mus txog 25.5%, lub siab tshaj plaws conversion efficiency nyob rau hauv lub laboratory efficiency yog siab li 26.1%. Nyob rau hauv sib piv, qhov nruab nrab loj ntau lawm conversion efficiency ntawm TOPCon thiab HJT nthuav tawm los ntawm tuam txhab uas muag yog feem ntau ntawm 24% thiab 25%.
Tau txais txiaj ntsig los ntawm cov qauv ib leeg, IBC kuj tseem tuaj yeem suav nrog TOPCon, HJT, perovskite thiab lwm yam roj teeb thev naus laus zis los tsim TBC, HBC thiab PSC IBC nrog kev hloov pauv ntau dua, yog li nws tseem hu ua "platform technology". Tam sim no, qhov ua tau zoo tshaj plaws hauv kev sim hloov pauv ntawm TBC thiab HBC tau mus txog 26.1% thiab 26.7%. Raws li cov txiaj ntsig simulation ntawm PSC IBC cell kev ua tau zoo los ntawm pab pawg tshawb fawb txawv teb chaws, kev hloov pauv ntawm 3-T qauv PSC IBC npaj rau ntawm IBC hauv qab ntawm tes nrog 25% photoelectric conversion efficiency pem hauv ntej texturing yog siab li 35.2%.
Thaum qhov kawg hloov dua siab tshiab efficiency siab dua, IBC kuj muaj kev lag luam muaj zog. Raws li kev kwv yees ntawm cov kws tshaj lij kev lag luam, tus nqi tam sim no ib W ntawm TOPCon thiab HJT yog 0.04-0.05 yuan / W thiab 0.2 yuan / W siab dua li ntawm PERC, thiab cov tuam txhab uas ua tiav cov txheej txheem tsim khoom ntawm IBC tuaj yeem ua tiav tib tus nqi. raws li PERC. Zoo ib yam li HJT, IBC cov cuab yeej siv cuab yeej cuab tam yog qhov siab, ncav cuag li 300 lab yuan / GW. Txawm li cas los xij, tau txais txiaj ntsig los ntawm cov yam ntxwv ntawm kev siv nyiaj tsawg, tus nqi ib W ntawm IBC qis dua. Nws tsim nyog hais tias Aixu's ABC tau ua tiav cov tshuab tsis muaj nyiaj.
Tsis tas li ntawd, IBC muaj qhov zoo nkauj zoo nkauj vim nws tsis raug thaiv los ntawm kab sib chaws nyob rau hauv pem hauv ntej, thiab yog qhov tsim nyog rau cov xwm txheej hauv tsev thiab cov khw muag khoom xws li BIPV. Tshwj xeeb tshaj yog nyob rau hauv tus nqi qis-rhiab rau cov neeg siv khoom lag luam, cov neeg siv khoom txaus siab them tus nqi them rau qhov zoo nkauj zoo nkauj. Piv txwv li, dub modules, uas yog nrov heev nyob rau hauv lub tsev lag luam nyob rau hauv ib co European lub teb chaws, muaj ib tug siab tshaj tus nqi tshaj li cov pa PERC modules vim hais tias lawv zoo nkauj dua kom phim nrog lub ru tsev tsaus. Txawm li cas los xij, vim qhov teeb meem ntawm cov txheej txheem kev npaj, kev hloov dua siab tshiab ntawm cov modules dub yog qis dua li ntawm PERC modules, thaum "zoo nkauj zoo nkauj" IBC tsis muaj qhov teeb meem zoo li no. Nws muaj qhov zoo nkauj zoo nkauj thiab ntau dua kev hloov dua siab tshiab, yog li daim ntawv thov scenario Wider ntau thiab muaj zog cov khoom hwm muaj peev xwm.
Cov txheej txheem ntau lawm yog mature, tab sis kev nyuaj siab yog siab
Txij li thaum IBC muaj kev hloov dua siab tshiab thiab qhov zoo ntawm kev lag luam, vim li cas ob peb lub tuam txhab siv IBC? Raws li tau hais los saum no, tsuas yog cov tuam txhab uas ua tiav cov txheej txheem tsim khoom ntawm IBC tuaj yeem muaj tus nqi uas yog qhov pib zoo ib yam li PERC. Yog li ntawd, cov txheej txheem ntau lawm, tshwj xeeb tshaj yog muaj ntau yam ntawm cov txheej txheem semiconductor, yog qhov laj thawj tseem ceeb rau nws qhov tsawg "clustering".
Hauv kev txiav txim siab ib txwm muaj, IBC feem ntau muaj peb txoj hauv kev: ib qho yog txheej txheem IBC classic sawv cev los ntawm SunPower, lwm qhov yog POLO-IBC txheej txheem sawv cev los ntawm ISFH (TBC yog tib lub hauv paus chiv keeb raws li nws yog), thiab qhov thib peb yog sawv cev. los ntawm Kaneka HBC txheej txheem. ABC thev naus laus zis txoj hauv kev ntawm Aixu tuaj yeem suav tias yog txoj kev siv tshuab thib plaub.
Los ntawm qhov kev xav ntawm kev loj hlob ntawm cov txheej txheem ntau lawm, classic IBC twb tau ua tiav ntau lawm. Cov ntaub ntawv qhia tias SunPower tau xa tag nrho 3.5 billion daim; ABC yuav ua tiav qhov kev tsim khoom loj ntawm 6.5GW hauv lub quarter thib peb ntawm lub xyoo no. Cheebtsam ntawm "Black Hole" series ntawm thev naus laus zis. Hais txog kev hais lus, thev naus laus zis ntawm TBC thiab HBC tsis paub tab txaus, thiab nws yuav siv sijhawm los paub txog kev lag luam.
Tshwj xeeb rau cov txheej txheem tsim khoom, qhov kev hloov pauv tseem ceeb ntawm IBC piv nrog PERC, TOPCon, thiab HJT nyob rau hauv kev teeb tsa ntawm lub nraub qaum electrode, uas yog, tsim ntawm interdigitated p + cheeb tsam thiab n + cheeb tsam, uas kuj yog tus yuam sij rau cuam tshuam cov roj teeb kev ua tau zoo. . Hauv cov txheej txheem tsim khoom ntawm IBC classic, kev teeb tsa ntawm lub nraub qaum electrode feem ntau suav nrog peb txoj hauv kev: kev tshuaj ntsuam luam ntawv, laser etching, thiab ion implantation, ua rau peb txoj kev sib txawv, thiab txhua txoj hauv kev sib raug mus rau ntau yam txheej txheem li 14. kauj ruam, 12 kauj ruam thiab 9 kauj ruam.
Cov ntaub ntawv qhia tau hais tias txawm hais tias kev tshuaj ntsuam luam ntawv nrog cov cuab yeej paub tab zoo li yooj yim ntawm qhov chaw, nws muaj txiaj ntsig zoo. Txawm li cas los xij, vim tias nws yooj yim ua rau muaj qhov tsis xws luag ntawm lub roj teeb, cov nyhuv doping yog qhov nyuaj rau kev tswj, thiab ntau qhov kev tshuaj ntsuam luam ntawv thiab cov txheej txheem kev sib raug zoo yuav tsum tau ua, yog li ua rau cov txheej txheem nyuaj thiab cov nqi tsim khoom. Laser etching muaj qhov zoo ntawm kev sib xyaw tsis tshua muaj thiab tswj tau hom doping, tab sis cov txheej txheem nyuaj thiab nyuaj. Ion implantation muaj cov yam ntxwv ntawm kev tswj siab precision thiab zoo diffusion uniformity, tab sis nws cov khoom kim heev thiab nws yog ib qho yooj yim ua rau cov lattice puas.
Xa mus rau ABC ntau lawm txheej txheem ntawm Aixu, nws tsuas yog siv txoj kev laser etching, thiab cov txheej txheem ntau lawm muaj ntau li 14 kauj ruam. Raws li cov ntaub ntawv tshaj tawm los ntawm lub tuam txhab ntawm lub rooj sib tham kev sib pauv kev ua tau zoo, cov khoom lag luam loj ntawm ABC tsuas yog 95%, uas yog qis dua li 98% ntawm PERC thiab HJT. Koj yuav tsum paub tias Aixu yog cov chaw tsim khoom lag luam ntawm tes nrog kev ua haujlwm zoo, thiab nws cov khoom xa tuaj yog qib thib ob hauv ntiaj teb txhua xyoo. Qhov no kuj qhia ncaj qha tias qhov nyuaj ntawm cov txheej txheem ntawm IBC ntau lawm yog siab.
Ib qho ntawm cov txheej txheem thev naus laus zis txuas ntxiv ntawm TOPCon thiab HJT
Txawm hais tias cov txheej txheem tsim khoom ntawm IBC yog qhov nyuaj, nws lub platform-type technical features superimpose ntau dua kev hloov pauv kev txwv, uas tuaj yeem txuas ntxiv lub neej kev siv thev naus laus zis, thaum tswj kev lag luam kev sib tw ntawm cov lag luam, nws tuaj yeem txo qhov kev ua haujlwm los ntawm kev siv thev naus laus zis. . pheej hmoo. Hauv particular, stacking nrog TOPCon, HJT, thiab perovskite los tsim ib lub roj teeb tandem nrog kev hloov dua siab tshiab yog kev sib koom siab los ntawm kev lag luam uas yog ib qho ntawm cov kev siv thev naus laus zis tseem ceeb yav tom ntej. Yog li, IBC zoo li yuav dhau los ua ib qho ntawm cov txheej txheem thev naus laus zis txuas ntxiv ntawm tam sim no TOPCon thiab HJT cov chaw pw hav zoov. Tam sim no, ntau lub tuam txhab tau tshaj tawm tias lawv tab tom ua cov kev tshawb fawb ntsig txog.
Tshwj xeeb, TBC tsim los ntawm superposition ntawm TOPCon thiab IBC siv POLO thev naus laus zis rau IBC uas tsis muaj ntaub thaiv npog rau pem hauv ntej, uas txhim kho cov nyhuv passivation thiab qhib-circuit voltage tsis poob tam sim no, yog li txhim kho cov kev hloov pauv photoelectric. TBC muaj qhov zoo ntawm kev ruaj ntseg zoo, zoo heev xaiv passivation tiv tauj thiab siab compatibility nrog IBC technology. Cov txheej txheem nyuaj ntawm nws cov txheej txheem tsim khoom yog nyob rau hauv kev sib cais ntawm lub nraub qaum electrode, kev sib koom ua ke ntawm kev ua haujlwm zoo ntawm polysilicon, thiab kev koom ua ke nrog cov txheej txheem IBC.
HBC tsim los ntawm superposition ntawm HJT thiab IBC tsis muaj electrode shielding nyob rau hauv pem hauv ntej nto, thiab siv ib tug anti-reflection txheej es tsis txhob ntawm TCO, uas muaj tsawg optical poob thiab qis nqi nyob rau hauv luv luv wavelength ntau yam. Vim nws cov nyhuv passivation zoo dua thiab qis qis coefficient, HBC muaj cov txiaj ntsig zoo hauv kev hloov dua siab tshiab ntawm lub roj teeb kawg, thiab tib lub sijhawm, lub zog tsim hluav taws xob ntawm qhov kawg module kuj siab dua. Txawm li cas los xij, cov teeb meem kev tsim khoom xws li kev sib cais ntawm cov electrode nruj, cov txheej txheem nyuaj thiab cov txheej txheem nqaim ntawm IBC tseem yog cov teeb meem uas cuam tshuam nws txoj kev lag luam.
PSC IBC tsim los ntawm superposition ntawm perovskite thiab IBC tuaj yeem paub qhov kev nqus nqus spectrum ntxiv, thiab tom qab ntawd txhim kho cov kev hloov pauv photoelectric los ntawm kev txhim kho kev siv tus nqi ntawm lub hnub ci spectrum. Txawm hais tias qhov kawg hloov dua siab tshiab ntawm PSC IBC yog qhov kev xav ntau dua, qhov cuam tshuam rau kev ruaj ntseg ntawm crystalline silicon cell khoom tom qab stacking thiab kev sib raug zoo ntawm cov txheej txheem ntau lawm nrog cov kab ntau lawm yog ib qho tseem ceeb txwv tsis pub nws txoj kev loj hlob.
Ua tus "Kev Zoo Nkauj Economy" ntawm Kev Lag Luam Photovoltaic
Los ntawm cov ntawv thov qib, nrog rau kev nthuav tawm ntawm kev lag luam thoob plaws ntiaj teb, IBC module cov khoom lag luam nrog kev hloov pauv siab dua thiab zoo dua pom muaj kev loj hlob dav dav. Tshwj xeeb, nws cov khoom muaj txiaj ntsig zoo tuaj yeem ua rau cov neeg siv khoom txaus siab rau "kev zoo nkauj", thiab nws yuav tsum tau txais qee yam khoom hwm. Hais txog kev lag luam khoom siv hauv tsev, "zoo li kev lag luam" tau dhau los ua lub zog tseem ceeb rau kev lag luam kev loj hlob ua ntej muaj kev sib kis, thaum cov tuam txhab uas tsuas tsom rau cov khoom zoo tau maj mam tso tseg los ntawm cov neeg siv khoom. Tsis tas li ntawd, IBC kuj tseem tsim nyog rau BIPV, uas yuav yog qhov muaj peev xwm loj hlob hauv nruab nrab mus rau lub sijhawm ntev.
Raws li cov qauv kev lag luam muaj kev txhawj xeeb, tam sim no tsuas muaj ob peb tus neeg ua si hauv IBC teb, xws li TCL Zhonghuan (MAXN), LONGi Green Energy thiab Aixu, thaum qhov kev faib ua lag luam tau suav txog ntau dua li ib nrab ntawm tag nrho cov photovoltaic. kev ua lag luam. Tshwj xeeb tshaj yog nrog rau tag nrho-scale tawm ntawm European tsev neeg kho qhov muag khw khw, uas yog tsawg tus nqi-sensitive, high-efficiency thiab high-value IBC module cov khoom yuav nyiam cov neeg siv khoom.
Post lub sij hawm: Sep-02-2022