Kutshanje, TCL Zhonghuan ubhengeze ukurhuma iibhondi convertible ukusuka MAXN, inkampani shareholding, US $ 200 yezigidi ukuxhasa uphando kunye nophuhliso lwemveliso yayo Maxeon 7 uluhlu esekelwe IBC iteknoloji ibhetri.Ngosuku lokuqala lokurhweba emva kokubhengezwa, ixabiso lesabelo se-TCL Central likhuphuke ngomda.Kwaye izabelo ze-Aixu, ekwasebenzisa itekhnoloji yebhetri ye-IBC, kunye nebhetri ye-ABC malunga nokuveliswa ngobuninzi, ixabiso lesitokhwe linyuke ngaphezu kwamaxesha e-4 ukususela ngo-Epreli 27.
Njengoko imboni ye-photovoltaic ingena ngokuthe ngcembe kwixesha le-N-type, i-N-type ye-teknoloji yebhetri emelwe yi-TOPCon, i-HJT, kunye ne-IBC ibe yingqwalasela yamashishini akhuphisanayo ngokucwangcisa.Ngokutsho kwedatha, i-TOPCon inomthamo okhoyo wokuvelisa we-54GW, kunye nokwakhiwa okungaphantsi kunye nomthamo ocwangcisiweyo wokuvelisa we-146GW;Umthamo okhoyo wemveliso we-HJT yi-7GW, kwaye ukwakhiwa kwayo okungaphantsi kunye nomthamo ocetywayo wemveliso yi-180GW.
Nangona kunjalo, xa kuthelekiswa ne-TOPCon kunye ne-HJT, akukho maqela amaninzi e-IBC.Kukho iinkampani ezimbalwa kule ndawo, ezifana ne-TCL Central, Aixu, kunye ne-LONGi Green Energy.Isikali esipheleleyo sezinto ezikhoyo, eziphantsi kolwakhiwo kunye nomthamo wemveliso ocetywayo awudluli kwi-30GW.Kuya kufuneka uyazi ukuba i-IBC, enembali ephantse ibe yi-40 iminyaka, sele ithengisiwe, inkqubo yokuvelisa ikhulile, kwaye zombini ukusebenza kakuhle kunye neendleko zineenzuzo ezithile.Ke, sisiphi isizathu sokuba i-IBC ingabi yeyona ndlela iphambili yetekhnoloji yolu shishino?
Itekhnoloji yePlatform yempumelelo ephezulu yokuguqulwa, imbonakalo ekhangayo kunye noqoqosho
Ngokutsho kwedatha, i-IBC yinkqubo ye-photovoltaic cell ene-junction back and back contact.Yacetywa okokuqala yiSunPower kwaye inembali ephantse ibe ngama-40 eminyaka.Icala langaphambili lithatha ifilimu ye-SiNx / SiOx ene-double-layer anti-reflection ngaphandle kwemigca yegridi yentsimbi;kunye ne-emitter, i-back field kunye ne-electrode yensimbi ehambelanayo kunye ne-negative idityaniswe ngasemva kwebhetri kwimo edibeneyo.Ekubeni icala langaphambili alivalwanga yimigca yegridi, ukukhanya kwesiganeko kunokusetyenziswa ukuya kuthi ga kwinqanaba eliphezulu, indawo yokukhanya esebenzayo inokunyuswa, ilahleko ye-optical inokunciphisa, kunye nenjongo yokuphucula ukuguqulwa kweefoto zombane yimpumelelo.
Idatha ibonisa ukuba umda wokuguqulwa kwe-theory ye-IBC yi-29.1%, ephezulu kune-28.7% kunye ne-28.5% ye-TOPCon kunye ne-HJT.Okwangoku, i-avareji yokuguqulwa kwemveliso yobuninzi obusebenzayo be-MAXN ye-teknoloji yakutshanje ye-IBC ifikelele kwi-25%, kwaye imveliso entsha ye-Maxeon 7 kulindeleke ukuba inyuke ukuya kwi-26%;umndilili woguqulo olusebenzayo lweseli ye-ABC ye-Aixu kulindeleke ukuba ifikelele kuma-25.5%, olona guqulelo lusebenzayo kwilabhoratri Ukuphumelela kuphezulu njenge-26.1%.Ngokwahlukileyo, i-avareji ye-avareji yokuguqulwa kwemveliso yobuninzi bobuchule be-TOPCon kunye ne-HJT edizwe ziinkampani ngokubanzi iphakathi kwe-24% kunye ne-25%.
Ukuzuza kwisakhiwo esinecala elinye, i-IBC inokuphinda ifakwe kwi-TOPCon, i-HJT, i-perovskite kunye nezinye iitekhnoloji zebhetri ukwenza i-TBC, i-HBC kunye ne-PSC IBC ngokusebenza okuphezulu kokuguqulwa, ngoko yaziwa nangokuthi "iteknoloji yeqonga".Okwangoku, uguqulo oluphezulu lwelabhoratri ye-TBC kunye ne-HBC lufikelele kwi-26.1% kunye ne-26.7%.Ngokweziphumo zokulinganisa ze-PSC IBC yokusebenza kweeseli eziqhutywe liqela lophando lwangaphandle, ukuguqulwa kokusebenza kakuhle kwe-3-T yesakhiwo se-PSC IBC elungiselelwe kwi-cell ephantsi ye-IBC kunye ne-25% ye-photoelectric conversion ye-effective ye-texturing yangaphambili iphezulu njenge-35.2%.
Ngelixa eyona nto isebenzayo yokuguqula iphezulu, i-IBC nayo inoqoqosho olomeleleyo.Ngokoqikelelo lweengcali zoshishino, ixabiso langoku nge-W ye-TOPCon kunye ne-HJT yi-0.04-0.05 yuan/W kunye ne-0.2 yuan/W ngaphezulu kwe-PERC, kwaye iinkampani ezilawula ngokupheleleyo inkqubo yokuvelisa ye-IBC zinokufikelela kwixabiso elifanayo. njenge-PERC.Ngokufanayo ne-HJT, utyalo-mali lwezixhobo ze-IBC luphezulu, lufikelela kwi-300 yezigidi zeeyuan/GW.Nangona kunjalo, ukuxhamla kwiimpawu zokusetyenziswa kwesilivere ephantsi, ixabiso nge-W ye-IBC liphantsi.Kubalulekile ukukhankanya ukuba i-ABC ye-Aixu izuze ubuchwephesha obungenasilivere.
Ukongeza, i-IBC inenkangeleko entle kuba ayivalwanga yimigca yegridi ngaphambili, kwaye ifaneleke ngakumbi kwiimeko zekhaya kunye neemarike ezisasazwayo njenge-BIPV.Ngokukodwa kwiimarike zabathengi ezingaphantsi kwexabiso eliphantsi, abathengi bazimisele kakhulu ukuhlawula iprimiyamu ngenkangeleko ethandekayo.Ngokomzekelo, iimodyuli ezimnyama, ezidume kakhulu kwiimarike zasekhaya kwamanye amazwe aseYurophu, zinezinga eliphezulu le-premium kuneemodyuli ze-PERC eziqhelekileyo kuba zihle kakhulu ukuhambelana nophahla olumnyama.Nangona kunjalo, ngenxa yengxaki yenkqubo yokulungiselela, ukusebenza kakuhle kokuguqulwa kweemodyuli ezimnyama kuphantsi kuneemodyuli ze-PERC, ngelixa i-IBC "enhle ngokwemvelo" ayinayo ingxaki enjalo.Inenkangeleko entle kunye nokusebenza kakuhle koguqulo, ngoko ke imeko yesicelo Uluhlu olubanzi kunye nobuchule obunamandla beprimiyamu yemveliso.
Inkqubo yokuvelisa ikhulile, kodwa ubunzima bobugcisa buphezulu
Kuba i-IBC inoguqulo oluphezulu kunye neenzuzo zoqoqosho, kutheni iinkampani zimbalwa zisebenzisa i-IBC?Njengoko kukhankanyiwe ngasentla, ziinkampani kuphela ezilawula ngokupheleleyo inkqubo yemveliso ye-IBC ezinokuba neendleko ezilinganayo naleyo ye-PERC.Ngoko ke, inkqubo yokuvelisa eyinkimbinkimbi, ngakumbi ubukho beentlobo ezininzi zeenkqubo ze-semiconductor, sizathu esisisiseko sokunciphisa "i-clustering" yayo.
Ngokwengqiqo yemveli, i-IBC ikakhulu ineendlela ezintathu zenkqubo: enye yinkqubo ye-IBC yakudala emelwe yi-SunPower, enye yinkqubo ye-POLO-IBC emelwe yi-ISFH (i-TBC ikwimvelaphi efanayo njengoko iyiyo), kwaye eyesithathu imelwe. ngenkqubo ye-Kaneka HBC.Indlela yobuchwepheshe be-ABC yase-Aixu inokuthatyathwa njengendlela yesine yobuchwepheshe.
Ukususela kumbono wokuvuthwa kwenkqubo yokuvelisa, i-IBC yakudala sele ifumene imveliso yobuninzi.Idatha ibonisa ukuba i-SunPower ithumele inani leebhiliyoni ze-3.5;I-ABC iza kufumana isikali semveliso yobuninzi ye-6.5GW kwikota yesithathu yalo nyaka.Amacandelo ochungechunge lwe "Black Hole" yeteknoloji.Xa sithetha, itekhnoloji ye-TBC kunye ne-HBC abukavuthwa ngokwaneleyo, kwaye kuya kuthatha ixesha ukufezekisa urhwebo.
Ngokucacileyo kwinkqubo yokuvelisa, utshintsho oluphambili lwe-IBC xa kuthelekiswa ne-PERC, i-TOPCon, kunye ne-HJT ilele kuqwalaselo lwe-electrode yangasemva, oko kukuthi, ukubunjwa kommandla we-p + odibeneyo kunye nommandla we-n +, ekwasitshixo sokuchaphazela ukusebenza kwebhetri. .Kwinkqubo yokuvelisa i-IBC yakudala, ukucwangciswa kwe-electrode yangasemva ikakhulu kubandakanya iindlela ezintathu: ukuprintwa kwesikrini, i-laser etching, kunye nokufakelwa kwe-ion, okukhokelela kwiindlela ezingaphantsi ezintathu ezahlukeneyo, kwaye indlela encinci nganye ihambelana neenkqubo ezininzi njenge-14. amanyathelo, 12 amanyathelo kunye 9 amanyathelo.
Idatha ibonisa ukuba nangona ukuprintwa kwesikrini ngetekhnoloji evuthiweyo kubonakala kulula kumphezulu, kunenzuzo enkulu yeendleko.Nangona kunjalo, ngenxa yokuba kulula ukubangela iziphene kumphezulu webhetri, i-doping effect inzima ukuyilawula, kwaye ukuprintwa kwesikrini ezininzi kunye neenkqubo ezichanekileyo zokulungelelanisa ziyafuneka, ngaloo ndlela ukwandisa ubunzima benkqubo kunye neendleko zokuvelisa.I-Laser etching ineenzuzo zokudityaniswa okuphantsi kunye neentlobo zedoping ezilawulekayo, kodwa inkqubo inzima kwaye inzima.Ukufakelwa kwe-Ion kuneempawu zokuchaneka kolawulo oluphezulu kunye nokufana okuhle kokusasazwa, kodwa izixhobo zayo zibiza kakhulu kwaye kulula ukwenza umonakalo kwilathisi.
Ngokubhekiselele kwinkqubo yokuvelisa i-ABC ye-Aixu, ithatha ubukhulu becala indlela ye-laser etching, kwaye inkqubo yokuvelisa inamanyathelo angama-14 amaninzi.Ngokutsho kwedatha edizwe yinkampani kwintlanganiso yotshintshiselwano yokusebenza, izinga lemveliso yobuninzi be-ABC yi-95% kuphela, ephantsi kakhulu kune-98% ye-PERC kunye ne-HJT.Kuya kufuneka uyazi ukuba i-Aixu ngumenzi weeseli oqeqeshiweyo onoqokelelo olunzulu lobugcisa, kwaye umthamo wayo wokuthumela ukwindawo yesibini kwihlabathi unyaka wonke.Oku kuqinisekisa ngokuthe ngqo ukuba ubunzima benkqubo yokuvelisa i-IBC buphezulu.
Enye yeendlela zeteknoloji yesizukulwana esilandelayo se-TOPCon kunye ne-HJT
Nangona inkqubo yemveliso ye-IBC inzima kakhulu, iqonga-udidi lweempawu zobugcisa lubeka umda ophezulu wokuguqula, onokuwandisa ngokufanelekileyo umjikelo wobomi betekhnoloji, ngelixa ugcina ukukhuphisana kwemarike yamashishini, inokunciphisa ukusebenza okubangelwa kuphindaphindwa kwetekhnoloji. .ingozi.Ngokukodwa, ukupakisha kunye ne-TOPCon, i-HJT, kunye ne-perovskite ukwenza ibhetri ye-tandem enoguqulo oluphezulu olusebenzayo kuthathwa ngamxhelo mnye lishishini njengenye yeendlela zetekhnoloji eziphambili kwixesha elizayo.Ke ngoko, i-IBC inokuba yenye yeendlela zeteknoloji yesizukulwana esilandelayo se-TOPCon yangoku kunye neenkampu ze-HJT.Okwangoku, iinkampani ezininzi zibhengeze ukuba zenza uphando olufanelekileyo lobugcisa.
Ngokukodwa, i-TBC eyenziwe yi-Superposition ye-TOPCon kunye ne-IBC isebenzisa iteknoloji ye-POLO ye-IBC ngaphandle kwekhaka ngaphambili, ephucula umphumo we-passivation kunye ne-voltage ye-open-circuit ngaphandle kokulahlekelwa okwangoku, ngaloo ndlela iphucula ukuguqulwa kweefoto zombane.I-TBC ineenzuzo zokuzinza okulungileyo, uqhagamshelwano olubalaseleyo lokukhetha kunye nokuhambelana okuphezulu nobuchwepheshe be-IBC.Ubunzima bobugcisa benkqubo yayo yokuvelisa buxhomekeke ekuhlukaniseni i-electrode yangasemva, ukufana komgangatho we-passivation we-polysilicon, kunye nokudibanisa kunye nomzila wenkqubo ye-IBC.
I-HBC eyenziwe yi-superposition ye-HJT kunye ne-IBC ayinayo i-electrode shielding kwi-front surface, kwaye isebenzisa i-anti-reflection layer endaweni ye-TCO, enelahleko encinci ye-optical kunye neendleko eziphantsi kwi-short wavelength range.Ngenxa yesiphumo esingcono sokudlula kunye ne-coefficient ephantsi yobushushu, i-HBC ineenzuzo ezicacileyo ekusebenzeni koguqulo ekupheleni kwebhetri, kwaye kwangaxeshanye, ukuveliswa kwamandla ekupheleni kwemodyuli nako kuphezulu.Nangona kunjalo, iingxaki zenkqubo yokuvelisa ezifana nokuhlukaniswa okungqongqo kwe-electrode, inkqubo entsonkothileyo kunye nefestile yenkqubo emxinwa ye-IBC isebubunzima obuthintela ushishino lwayo.
I-PSC IBC eyenziwe yi-superposition ye-perovskite kunye ne-IBC inokuqonda i-spectrum yokudibanisa ehambelanayo, kwaye emva koko iphucule i-photoelectric conversion performance ngokuphucula izinga lokusetyenziswa kwe-spectrum yelanga.Nangona ukuguqulwa kokugqibela kokuphumelela kwe-PSC IBC kuphezulu ngokwethiyori, impembelelo ekuzinzeni kweemveliso ze-crystalline ze-silicon emva kokupakishwa kunye nokuhambelana kwenkqubo yokuvelisa kunye nomgca wemveliso okhoyo yenye yezinto ezibalulekileyo ezithintela uphuhliso lwayo.
Ukukhokela "uQoqosho lweBeauty" ye-Photovoltaic Industry
Ukususela kwinqanaba lesicelo, ngokuqhambuka kweemarike ezisasazwa kwihlabathi jikelele, iimveliso zemodyuli ze-IBC ezinokuguqulwa okuphezulu kokuguqulwa kunye nokubonakala okuphezulu kunamathemba ophuhliso olubanzi.Ngokukodwa, iimpawu zayo zexabiso eliphezulu zinokwanelisa ukufuna kwabathengi "ubuhle", kwaye kulindeleke ukuba bafumane iprimiyamu yemveliso ethile.Ngokubhekiselele kushishino lwezixhobo zasekhaya, "uqoqosho lwenkangeleko" luye lwaba yeyona nto iqhuba ukukhula kweemarike ngaphambi kobhubhane, ngelixa ezo nkampani zijolise kuphela kumgangatho wemveliso ziye zayekwa ngokuthe ngcembe ngabathengi.Ukongeza, i-IBC nayo ifanelekile kakhulu kwi-BIPV, eya kuba yindawo yokukhula enokubakho kwixesha eliphakathi ukuya kwixesha elide.
Ngokubhekiselele kwisakhiwo semarike, okwangoku kukho abadlali abambalwa kuphela kwintsimi ye-IBC, njenge-TCL Zhonghuan (MAXN), i-LONGi Green Energy kunye ne-Aixu, ngelixa isabelo semarike esisasazwayo siphendule ngaphezu kwesiqingatha se-photovoltaic yonke. imarike.Ngokukodwa ngokuqhambuka komgangatho ogcweleyo wemarike yogcino lwasekhaya lwaseYurophu, olungenaxabiso elincinci, olusebenzayo oluphezulu kunye nexabiso eliphezulu leemveliso zemodyuli ye-IBC kusenokwenzeka ukuba zidume phakathi kwabathengi.
Ixesha lokuposa: Sep-02-2022