Kev paub

HJT solar cell yog dab tsi?

Tau ntau xyoo, heterojunction (HJT) thev naus laus zis tau raug saib xyuas, tab sis nws tau txais kev sib tw hauv xyoo tas los no, ua kom pom nws lub peev xwm tiag tiag. Ordinary photovoltaic (PV) modules hais txog qee qhov kev txwv ntau tshaj plaws ntawm cov qauv photovoltaic (HJT), xws li txo qis recombination thiab boosting kev ua tau zoo nyob rau hauv cov cheeb tsam kub.

Kab lus no yog rau koj yog tias koj xav kawm ntxiv txog HJT thev naus laus zis.

HJT Hnub Ci Cell Raws li N-hom Silicon Wafer 

Raws li cov cuab yeej siv hnub ci hnub ci paub tab, heterojunction thev naus laus zis tau ua pov thawj kom xa cov kev ua tau zoo dua, kev ua tau zoo dua, thiab ua haujlwm ntev. 

Kev tsim cov txheej txheem ntawm HJT Cell yog qhov ua tau zoo dua thiab ua cov kauj ruam tsawg dua piv nrog lwm cov txheej txheem ntawm tes.

HJT hnub ci cell kuj yog lub ntuj bifacial cell, nrog ntau zoo dua hnub ci cell xim.

HJT Solar Cell txhais li cas?

HJT yog Hetero-Junction solar cells. Raws li lub sijhawm sau ntawv, HJT yog a yav tom ntej successor rau nrov PERC hnub ci cell thiab lwm yam thev naus laus zis xws li PERT thiab TOPCON. Sanyo thawj zaug qhia nws hauv 1980s thiab tom qab ntawd tau yuav los ntawm Panasonic hauv xyoo 2010s.

Qhov kev tsim no tuaj yeem ua rau siv cov kab hluav taws xob uas twb muaj lawm uas siv PERC thev naus laus zis yooj yim dua vim tias HJT muaj cov theem ua haujlwm ntawm tes me me thiab qis dua ntawm tes ua haujlwm kub dua li PERC.

Daim duab 1: PERC p-type vs. HJT n-type solar cell.

Daim duab 1 qhia tias HJT txawv li cas ntawm cov qauv PERC. Raws li qhov tshwm sim, cov txheej txheem tsim khoom rau ob qho kev sib txawv no sib txawv heev. Tsis zoo li n-PERT lossis TOPCON, uas tuaj yeem hloov kho los ntawm cov kab PERC uas twb muaj lawm, HJT xav tau nyiaj ntau los yuav cov cuab yeej tshiab ua ntej nws tuaj yeem pib ua nyiaj ntau.

Tsis tas li ntawd, zoo li nrog ntau cov thev naus laus zis tshiab, HJT kev ua haujlwm ntev thiab kev tsim khoom ruaj khov yog tam sim no raug tshawb xyuas. Qhov no yog vim kev ua cov teeb meem, suav nrog amorphous Si's rhiab heev rau cov txheej txheem kub kub.

HJT Ua Haujlwm Li Cas?

Nyob rau hauv cov nyhuv photovoltaic, heterojunction hnub ci vaj huam sib luag ua haujlwm zoo ib yam li cov qauv PV, tshwj tsis yog tias cov cuab yeej no siv peb txheej ntawm cov ntaub ntawv absorbing, integrating nyias-film thiab standard photovoltaic technologies. Hauv qhov piv txwv no, peb yuav txuas cov load rau lub module, thiab lub module hloov cov photons rau hauv hluav taws xob. Qhov hluav taws xob no ntws los ntawm lub nra.

Thaum lub photon ntaus lub PN hlws ris absorber, nws excites ib tug electron, uas ua rau nws tsiv mus rau lub conduction band thiab tsim ib tug electron-qhov (eh) khub.

Lub davhlau ya nyob twg ntawm P-doped txheej khaws cov hluav taws xob zoo siab, uas ua rau hluav taws xob ntws los ntawm kev thauj khoom.

Tom qab dhau los ntawm kev thauj khoom, cov hluav taws xob rov qab mus rau lub xov tooj ntawm tes tom qab kev sib cuag thiab rov ua dua nrog lub qhov, nqa cov eh khub mus rau ze. Raws li cov modules tsim lub zog, qhov no tshwm sim txhua lub sijhawm.

Ib qho tshwm sim hu ua deg recombination txwv qhov ua tau zoo ntawm cov pa c-Si PV modules. Ob yam no tshwm sim ntawm qhov chaw ntawm cov khoom thaum lub tshuab hluav taws xob zoo siab. Tom qab ntawd lawv tuaj yeem rov ua dua yam tsis muaj hluav taws xob raug coj mus thiab ntws raws li hluav taws xob tam sim no.

Puas yog HJT Solar Cell Siv tau thiab ntseeg tau?

Vim yog qhov zoo tshaj plaws hydrogenated intrinsic amorphous Si (a-Si: H hauv daim duab 1) uas yuav ua rau muaj kev cuam tshuam zoo heev rau ob sab nraub qaum thiab pem hauv ntej ntawm Si wafers, HJT nthuav tawm tshwj xeeb hnub ci cell efficiency (ob leeg p-hom thiab n-hom polarity ).

ITO raws li pob tshab tiv tauj txhim kho tam sim no ntws thaum ib txhij ua haujlwm raws li cov txheej txheem tiv thaiv kev cuam tshuam rau kev txhim kho lub teeb pom kev zoo. Lwm txoj hauv kev los tso ITO yog ua los ntawm kev sib tsoo ntawm qhov kub thiab txias, uas yuav ua rau cov txheej txheem amorphous los ntawm kev rov ua kom rov ua dua tshiab. Qhov no yuav ua rau cov Si ntog tsawg dua rau cov ntaub ntawv uas nyob ntawm nws.

Txawm hais tias nws cov teeb meem ua tiav thiab cov nqi pib kim, HJT tseem yog lub tshuab nrov. Hauv kev sib piv rau TOPCON, PERT, thiab PERC thev naus laus zis, cov txheej txheem no tau qhia lub peev xwm los tsim > 23% solar cell efficiency.

Tshuab rau HJT Hnub Ci Vaj Huam Sib Luag?

cov tshuab rau HJT hnub ci vaj huam sib luag ua yuav luag zoo ib yam li qub solar vaj huam sib luag ua tshuab, tab sis ob peb lub tshuab txawv 

Piv txwv li: HJT solar cell tabber stringer, HJT solar cell tester, thiab HJT solar panel laminator.

thiab so cov cav tov yuav luag zoo li qub, tsim peb cov kev daws teeb meem ib leeg peb tuaj yeem muab tag nrho cov tshuab rau HJT hnub ci vaj huam sib luag