Lub hnub ci vaj huam sib luag tau npaum li cas?

 

Los ntawm thaj chaw solar systems thiabtxoj kev teeb pom kev zoomus rau loj- nplai fais fab nroj tsuag- thiab los ntawm crystalline silicon mus rau nyias - zaj duab xis yees - lub photoelectric conversion efficiency ntawm lub hnub ci vaj huam sib luag nws txawv ntawm hom thiab daim ntawv thov. Kev kos duab ntawm kev lag luam cov ntaub ntawv thiab kev tsim kho thev naus laus zis, kab lus no muab cov ntsiab lus meej ntawm cov hnub ci vaj huam sib luag 'cov qib kev ua tau zoo niaj hnub no thiab lawv ua li cas hauv qhov tiag - ntiaj teb scenarios.

 

 1. Photoelectric Conversion Efficiency los ntawm hom Hnub Ci Vaj Huam Sib Luag

1.1 Monocrystalline Silicon PV Vaj Huam Sib Luag 

Monocrystalline silicon PV panels feem ntau ua tiav kev hloov pauv ntawm ib puag ncig 18%. Hauv cov chaw kuaj thiab hauv cov khoom lag luam siab - kawg, kev ua tau zoo tuaj yeem ncav cuag 24%, ua monocrystalline silicon yog ib lub hnub ci siv tau zoo tshaj plaws tam sim no. Txawm li cas los xij, qhov kev ua tau zoo no los nrog tus nqi tsim khoom ntau dua.

 

Ua tsaug rau encapsulation nrog tempered iav thiab waterproof resin, cov panels muaj zoo heev mechanical zog thiab huab cua tsis kam, nrog ib tug raug kev pab lub neej ntawm ib ncig ntawm 25 xyoo. Visually, monocrystalline hlwb yog tus cwj pwm los ntawm lawv cov ces kaum (raws li qhia hauv qab no), uas kuj yog ib qho tseem ceeb feature uas txawv lawv ntawm polycrystalline silicon hlwb.

 

 

1.2 Polycrystalline SiliconPV panels

Polycrystalline silicon PV panels yog tsim los siv cov txheej txheem zoo ib yam li cov monocrystalline vaj huam sib luag, tab sis lawv muaj qhov txo qis photoelectric conversion efficiency, feem ntau nyob rau hauv thaj tsam ntawm 16% -18%. Los ntawm kev xav txog tus nqi, polycrystalline panels tau txais txiaj ntsig los ntawm cov txheej txheem tsim khoom yooj yim, kev siv cov khoom siv silicon ntau dua, thiab kev siv hluav taws xob qis dua, uas yav dhau los ua rau lawv pheej yig dua los tsim thiab coj mus rau kev saws me nyuam.

 

Txawm li cas los xij, thaum kev ua tau zoo thiab tus nqi raug txiav txim siab ua ke, cov vaj huam sib luag monocrystalline feem ntau xa cov kev ua tau zoo tag nrho - rau - tus nqi piv. Nyob rau hauv cov nqe lus ntawm cov tsos, polycrystalline hlwb muaj ib tug square zoo nrog ntse txoj cai - lub kaum sab xis, uas kom meej meej distinguishes lawv los ntawm lub rounded - lub kaum ntse ntse tsim ntawm monocrystalline hlwb thiab tso cai rau kom yooj yim pom kev txheeb xyuas (raws li qhia hauv qab no).

 

 

1.3 Nyias-FilmHnub Ci Vaj Huam Sib Luag

Sawv cev los ntawm amorphous silicon (a-Si) solar cells, nyias- zaj duab xis hnub ci tshuab tau ua raws li txoj kev loj hlob txawv ntawm cov crystalline silicon cell txij li thaum nws pib xyoo 1976. Nws cov txiaj ntsig tseem ceeb suav nrog cov txheej txheem tsim khoom yooj yim, siv silicon tsawg, thiab txo lub zog siv thaum tsim khoom. Ib qho txiaj ntsig tseem ceeb ntawm cov thev naus laus zis no yog nws lub peev xwm los tsim hluav taws xob nyob rau hauv qis - teeb pom kev zoo, qhov kev ua haujlwm poob qis dua li cov cell crystalline silicon.

 

Txawm li cas los xij, amorphous silicon hnub ci hlwb tseem raug kev txom nyem los ntawm kev hloov pauv tsis zoo, nrog rau qib siab thoob ntiaj teb tam sim no nyob ib puag ncig 10%. Tsis tas li ntawd, lawv cov kev ua tau zoo yuav ua rau txo qis hauv lub sijhawm, ua rau qis dua - lub sijhawm ruaj khov piv nrog crystalline silicon PV panels.

 

 

2. Yam tseem ceeb cuam tshuamHnub Ci Vaj Huam Sib Luag' Hloov Efficiency

2.1 Khoom Khoom

Cov ntaub ntawv tsim lub hauv paus ntawm photoelectric hloov dua siab tshiab, thiab lawv cov qauv purity ncaj qha txiav txim siab lub siab ntawm kev ua haujlwm. Nyob rau hauv crystalline silicon hlwb, monocrystalline silicon nta ib qho kev txiav txim siab atomic qauv nrog tsawg yam tsis xws luag, tso cai rau cov electrons txav tau yooj yim dua thiab ua rau muaj kev ua tau zoo tshaj plaws. Polycrystalline silicon, los ntawm qhov sib txawv, muaj cov ciam teb uas ua raws li qhov chaw tsis xws luag, ua kom cov electron recombination thiab txo tag nrho cov efficiency.

 

Nyias-cov yees duab yees (xws li CIGS) vam khom ntau ntawm cov ntsiab lus tseeb thiab cov khoom siv purity. Txawm tias me me sib txawv tuaj yeem hloov lub teeb -absorption yam ntxwv thiab qhia cov chaw recombination, thaum kawg degrading kev hloov dua siab tshiab.

 

2.2 Kev tsim khoom thiab Cell Technologies

Advanced cell technologies yog tsim los txo lub zog poob thiab suppress electron recombination.

• PERC (Passivated Emitter thiab Rear Cell) thev naus laus zis txo cov nraub qaum -nto recombination los ntawm backside passivation, feem ntau txhim kho monocrystalline cell efficiency los ntawm 1-2%.
• HJT (Heterojunction Technology) muab cov txiaj ntsig zoo ntawm amorphous silicon thiab crystalline silicon, ua kom muaj txiaj ntsig ntau dua 25%, thaum tseem muab kev txo qis qis vim nws qis - txheej txheem tsim khoom kub.
• MBB (Multi-Busbar) tsim los txhim kho kev tsim hluav taws xob zoo los ntawm kev ua kom luv luv ntawm txoj hauv kev tam sim no thiab txo qis kev poob qis, yog li ua rau thaj tsam ntawm tes.

 

 

2.3 Cov xwm txheej ib puag ncig

Environmental yam muaj feem cuam tshuam ncaj qha rau hnub ci vaj huam sib luag 'kev ua haujlwm:

• Kub: Raws li qhov kub nce, kev ua haujlwm semiconductor poob qis. Rau crystalline silicon hlwb, efficiency feem ntau txo los ntawm 0.45% ib℃nce.
• Hnub ci irradiance: Hnub ci tsis txaus (xws li hnub pos huab) ncaj qha txo tus naj npawb ntawm photons muaj rau excite electrons. Ib nrab shading tuaj yeem ua rau kub - cov teebmeem tshwm sim, txo cov zis hluav taws xob thiab ua rau lub cev puas tsuaj.
• Av av thiab noo noo: Plua plav, av, thiab av noo txo ​​cov teeb pom kev zoo, ua rau txo qis kev hloov pauv.

 

2.4 Kev Ua Haujlwm thiab Kev Ua Haujlwm Zoo

Qib ntawm kev ua haujlwm thiab kev saib xyuas ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm tiag - ntiaj teb:

• Kev huv ntawm qhov chaw: Cov plua plav tuaj yeem txo qhov tsim hluav taws xob los ntawm 6-9% vim txo qis kev sib kis.
• Cov kab ke taug qab: Ib leeg-axis lossis dual-axis trackers tswj kev pom kev zoo ntawm vaj huam sib luag los ntawm kev ua raws lub hnub, ua kom muaj zog txhua xyoo los ntawm 15–30%.
• Kev tshuaj xyuas niaj hnub: Kev tshuaj xyuas tsis tu ncua rau kev laus ntawm cov khoom siv hluav taws xob, kev sib txuas hluav taws xob xoob, thiab lwm yam teeb meem pab tiv thaiv kom tsis txhob muaj hluav taws xob tsis zoo thiab ua kom ntev - lub sij hawm kev ntseeg siab.

 

3. Yuav xaiv txoj cai li casHnub Ci Vaj Huam Sib Luag

Xaiv los ntawm hom vaj huam sib luag:

Yog tias tus nqi -kev ua tau zoo yog qhov tseem ceeb tshaj plaws, polycrystalline silicon panels yog qhov kev xaiv zoo.

 

Thaum qhov chaw teeb tsa raug txwv thiab yuav tsum muaj lub zog ceev dua, siab -kev ua haujlwm zoo monocrystalline silicon panels yog qhov tsim nyog dua.

Hauv cov ntawv thov uas muaj teeb pom kev tsis zoo thiab cov kev xav tau hloov pauv tau yooj yim, nyias - zaj duab xis panels - paub txog qhov zoo dua qis - teeb pom kev zoo - tuaj yeem txiav txim siab.

 

Xaiv los ntawm conversion efficiency:

Rau cov neeg yuav khoom thiab cov neeg siv kawg, kev nkag siab txog kev ntsuas kev ua tau zoo pab kom paub meej txog kev txiav txim siab. Siv lub hnub ci txoj kev teeb ua piv txwv, kev xaiv yuav tsum tsis txhob ua raws li lub teeb ci xwb; qhov tseeb conversion efficiency ntawm lub hnub ci vaj huam sib luag yog qhov tseem ceeb sib npaug.

 

 

Lub hnub ci txoj kev teeb nruab nrog 24%- vaj huam sib luag zoo monocrystalline, piv nrog cov khoom zoo sib xws uas siv 18%- vaj huam sib luag muaj txiaj ntsig, yuav them sai dua nyob rau hauv tib lub hnub ci thiab feem ntau xa kev ywj pheej ntev dua thaum muaj huab lossis nag los. Nyob rau lub sij hawm ntev, qhov no kuj txhais tau tias kev ua tau zoo tag nrho thiab kev ntseeg siab dua.

 

Thaum ntsuas qhov kev ua tau zoo ntawm lub hnub ci txoj kev teeb pom kev zoo, vaj huam sib luag hloov ua haujlwm tau zoo yog qhov qhia tau tseem ceeb. Yahua Teeb pom kev zoo tau cog lus rau kev siv siab -kev ua tau zoo thiab ruaj khov solar vaj huam sib luag daws teeb meem. Peb tam sim nocov khoom tseem ceebtau nruab nrog monocrystalline silicon PV panels nrog kev hloov pauv kev ua tau zoo txog li 24%, muab lawv tso rau ntawm lub hauv ntej ntawm kev lag luam thiab muab cov neeg siv nrog lub zog zoo tshaj plaws thiab kev cia siab rau kev ua haujlwm rov qab.

 

Xaus

Lub photoelectric conversion efficiency ntawm solar panels yog ib tug tsis tu ncua evolving metric. Raws li cov thev naus laus zis tshiab, cov khoom siv qib siab, thiab kev ua haujlwm ntse dua thiab kev saib xyuas kev ua haujlwm tau tshwm sim, cov kev txwv siab ntawm kev ua haujlwm yuav nce ntxiv. Thaum xaiv PV panels, nws yog ib qho tseem ceeb uas yuav tsum xav txog kev ua tau zoo, tus nqi, kev pab lub neej, thiab cov xwm txheej ntawm daim ntawv thov tag nrho, tsom rau qhov zoo tshaj plaws tag nrho cov nqi es tsis txhob tsom mus rau cov txiaj ntsig siab tshaj plaws.

 

Yog tias koj muaj cov kev xav tau tshwj xeeb lossis xav paub ntau ntxiv txog cov khoom teeb tsa thiab cov ntsiab lus ua haujlwm, Yahua Teeb pom kev tuaj yeem muab cov kev daws teeb meem tsim nyog thiab cov ntaub ntawv pov thawj kev ua tau zoo los txhawb koj qhov kev txiav txim siab - ua.