Muva nje, i-TCL Zhonghuan imemezele ukubhalisela amabhondi aguqulekayo kwa-MAXN, inkampani enamasheya, ngamadola ayizigidi ezingu-200 ukuze isekele ucwaningo nokuthuthukiswa kwemikhiqizo yayo yochungechunge lwe-Maxeon 7 esekelwe kubuchwepheshe bebhethri le-IBC.Ngosuku lokuqala lokuhweba ngemva kwesimemezelo, inani lentengo le-TCL Central likhuphuke ngomkhawulo.Futhi amasheya e-Aixu, esebenzisa ubuchwepheshe bebhethri ye-IBC, nebhethri le-ABC selizokhiqizwa ngobuningi, intengo yesitoko inyuke izikhathi ezingaphezu kwezingu-4 kusukela ngomhla ka-27 Ephreli.
Njengoba imboni ye-photovoltaic ingena kancane kancane enkathini yohlobo lwe-N, ubuchwepheshe bebhethri bohlobo lwe-N obumelwe yi-TOPCon, i-HJT, ne-IBC buye baba ukugxila kwamabhizinisi aqhudelana ngesakhiwo.Ngokusho kwedatha, i-TOPCon inomthamo okhona wokukhiqiza we-54GW, kanye nokwakhiwa okungaphansi nokuhlelwa kwamandla okukhiqiza angu-146GW;Umthamo wokukhiqiza we-HJT okhona ungu-7GW, futhi umthamo wayo wokukhiqiza ongaphansi kokwakhiwa futhi ohleliwe ungu-180GW.
Nokho, uma kuqhathaniswa ne-TOPCon ne-HJT, awekho amaqoqo e-IBC amaningi.Zimbalwa izinkampani kule ndawo, njenge-TCL Central, Aixu, kanye ne-LONGi Green Energy.Isamba esiphelele samandla okukhiqiza akhona, asakhiwayo nahleliwe aseqi ku-30GW.Kumele wazi ukuthi i-IBC, enomlando ocishe ube yiminyaka engama-40, isivele yenziwe ukuhweba, inqubo yokukhiqiza isikhulile, futhi kokubili ukusebenza kahle nezindleko kunezinzuzo ezithile.Ngakho-ke, yisiphi isizathu esenza ukuthi i-IBC ingabi umzila wezobuchwepheshe ojwayelekile embonini?
Ubuchwepheshe be-Platform bokusebenza kahle kokuguqulwa, ukubukeka okukhangayo nomnotho
Ngokusho kwedatha, i-IBC iyisakhiwo se-photovoltaic cell esine-back junction kanye nokuxhumana emuva.Yahlongozwa okokuqala ngabakwaSunPower futhi inomlando cishe weminyaka engama-40.Uhlangothi lwangaphambili luthatha ifilimu ye-SiNx/SiOx enezingqimba ezimbili ephikisana ne-reflection ngaphandle kwemigqa yegridi yensimbi;kanye ne-emitter, inkundla yangemuva kanye nama-electrode ensimbi ahambisanayo avumayo kanye nenegethivu ahlanganiswe ngemuva kwebhethri ngendlela ehlanganisiwe.Njengoba uhlangothi olungaphambili lungavinjwa imigqa yegridi, ukukhanya kwesigameko kungasetshenziswa ngezinga eliphezulu kakhulu, indawo esebenza kahle ekhipha ukukhanya inganyuswa, ukulahlekelwa kokubona kungancishiswa, futhi inhloso yokuthuthukisa ukusebenza kahle kokuguqulwa kwesithombe sikagesi kungaba okuzuziwe.
Idatha ibonisa ukuthi umkhawulo wetiyori wokuguqulwa osebenza kahle ngu-29.1%, ongaphezu kuka-28.7% no-28.5% we-TOPCon ne-HJT.Njengamanje, isilinganiso sokuguqulwa kokukhiqizwa kobuningi bokusebenza kobuchwepheshe bamuva be-IBC be-MAXN bufinyelele ngaphezu kwe-25%, futhi umkhiqizo omusha we-Maxeon 7 kulindeleke ukuthi ukhuphuke ube ngaphezu kwe-26%;isilinganiso sokusebenza kahle sokuguqulwa kweseli ye-ABC ye-Aixu kulindeleke ukuthi sifinyelele ku-25.5%, ukusebenza kahle okuphezulu kakhulu kokuguqulwa elabhorethri Ukusebenza kahle kuphezulu njengo-26.1%.Ngokuphambene, isilinganiso sokuguqulwa kokukhiqizwa ngobuningi obusebenzayo kwe-TOPCon ne-HJT esidalulwe izinkampani ngokuvamile siphakathi kwama-24% nama-25%.
Izuza esakhiweni esinohlangothi olulodwa, i-IBC ingaphinde ibekwe phezulu nge-TOPCon, i-HJT, i-perovskite nobunye ubuchwepheshe bebhethri ukwenza i-TBC, i-HBC ne-PSC IBC ngokusebenza kahle kokuguqulwa okuphezulu, ngakho yaziwa nangokuthi "ubuchwepheshe bepulatifomu".Njengamanje, ukusebenza kahle okuphezulu kakhulu kokuguqulwa kwaselabhorethri kwe-TBC ne-HBC sekufinyelele ku-26.1% no-26.7%.Ngokomphumela wokulingisa wokusebenza kweseli le-PSC IBC okwenziwa ithimba labacwaningi bangaphandle, ukusebenza kahle kokuguqulwa kwesakhiwo esingu-3-T se-PSC IBC esilungiselelwe kuseli eliphansi le-IBC elino-25% wokuguqulwa kwesithombe esisebenza kahle sombhalo wangaphambili kuphezulu njengokungu-35.2%.
Ngenkathi ukusebenza kahle kokuguqulwa kokugcina kuphezulu, i-IBC nayo inomnotho oqinile.Ngokwezilinganiso zochwepheshe bemboni, izindleko zamanje nge-W ngayinye ye-TOPCon ne-HJT zingu-0.04-0.05 yuan/W kanye no-0.2 yuan/W ngaphezu kwalokho kwe-PERC, futhi izinkampani eziwazi ngokugcwele inqubo yokukhiqiza ye-IBC zingafinyelela izindleko ezifanayo. njenge-PERC.Ngokufana ne-HJT, ukutshalwa kwezimali kwemishini ye-IBC kuphezulu uma kuqhathaniswa, kufinyelela cishe izigidi ezingu-300 zamayuan/GW.Kodwa-ke, ukuzuza kuzici zokusetshenziswa kwesiliva okuphansi, izindleko nge-W ngayinye ye-IBC ziphansi.Kuhle ukusho ukuthi i-ABC yakwa-Aixu izuze ubuchwepheshe obungenasiliva.
Ngaphezu kwalokho, i-IBC inokubukeka okuhle ngoba ayivinjwanga imigqa yegridi ngaphambili, futhi ifaneleka kakhulu izimo zasekhaya nezimakethe ezisabalalisiwe njenge-BIPV.Ikakhulukazi emakethe yabathengi engazweli kakhulu intengo, abathengi bazimisele kakhulu ukukhokha iprimiyamu ngokubukeka okujabulisayo.Isibonelo, amamojula amnyama, athandwa kakhulu emakethe yasendlini kwamanye amazwe aseYurophu, anezinga eliphezulu le-premium kunamamojula avamile we-PERC ngoba mahle kakhulu ukufanisa nophahla olumnyama.Kodwa-ke, ngenxa yenkinga yenqubo yokulungiselela, ukusebenza kahle kokuguqulwa kwamamojula amnyama kuphansi kunamamojula we-PERC, kuyilapho i-IBC "enhle ngokwemvelo" ayinayo inkinga enjalo.Inokubukeka okuhle nokusebenza kahle okuphezulu kokuguqulwa, ngakho-ke isimo sohlelo lokusebenza Ibanga elibanzi namandla omkhiqizo we-premium aqinile.
Inqubo yokukhiqiza ivuthiwe, kodwa ubunzima bobuchwepheshe buphezulu
Njengoba i-IBC inempumelelo ephezulu yokuguqulwa kanye nezinzuzo zezomnotho, kungani izinkampani ezimbalwa kangaka ezithumela i-IBC?Njengoba kushiwo ngenhla, izinkampani kuphela ezikwazi ngokugcwele inqubo yokukhiqiza ye-IBC ezingaba nezindleko ezicishe zifane nalezo ze-PERC.Ngakho-ke, inqubo yokukhiqiza eyinkimbinkimbi, ikakhulukazi ukuba khona kwezinhlobo eziningi zezinqubo ze-semiconductor, isizathu esiyinhloko "sokuhlanganisa" kwayo okuncane.
Ngokomqondo wendabuko, i-IBC ikakhulukazi inemizila emithathu yenqubo: eyodwa iyinqubo ye-IBC yakudala emelwe i-SunPower, enye iyinqubo ye-POLO-IBC emelwe yi-ISFH (i-TBC inomsuka ofanayo njengoba injalo), kanti eyesithathu imelwe. ngenqubo ye-Kaneka HBC.Umzila wobuchwepheshe be-ABC wase-Aixu ungathathwa njengomzila wesine wobuchwepheshe.
Ngokombono wokuvuthwa kwenqubo yokukhiqiza, i-IBC yakudala isivele izuze ukukhiqizwa ngobuningi.Idatha ibonisa ukuthi i-SunPower ithumele isamba sezingcezu eziyizigidi eziyizinkulungwane ezingu-3.5;I-ABC izozuza isikali sokukhiqiza ngobuningi se-6.5GW engxenyeni yesithathu yalo nyaka.Izingxenye zochungechunge lwe-"Black Hole" yobuchwepheshe.Uma sikhuluma nje, ubuchwepheshe be-TBC kanye ne-HBC abukavuthwa ngokwanele, futhi kuzothatha isikhathi ukwenza uhwebo.
Ngokucacile ngenqubo yokukhiqiza, ushintsho olukhulu lwe-IBC uma luqhathaniswa ne-PERC, i-TOPCon, ne-HJT ilele ekucushweni kwe-electrode yangemuva, okungukuthi, ukwakheka kwesifunda esihlanganisiwe se-p+ kanye nesifunda se-n+, okuphinde kube ukhiye wokuthinta ukusebenza kwebhethri. .Enqubweni yokukhiqiza ye-IBC yakudala, ukucushwa kwe-electrode yangemuva ikakhulukazi kuhlanganisa izindlela ezintathu: ukuphrinta isikrini, i-laser etching, nokufakwa kwe-ion, okuholela emigwaqweni engaphansi emithathu ehlukene, futhi umzila omncane ngamunye uhambisana nezinqubo eziningi njenge-14. izinyathelo, 12 izinyathelo 9 izinyathelo.
Idatha ibonisa ukuthi nakuba ukuphrinta kwesikrini ngobuchwepheshe obuvuthiwe kubonakala kulula phezulu, kunezinzuzo ezibalulekile zezindleko.Kodwa-ke, ngenxa yokuthi kulula ukubangela ukukhubazeka ebusweni bebhethri, umphumela we-doping kunzima ukuwulawula, futhi ukuphrinta kwesikrini okuningi kanye nezinqubo zokuqondanisa okunembile kuyadingeka, ngaleyo ndlela kukhulisa ubunzima benqubo kanye nezindleko zokukhiqiza.I-Laser etching inezinzuzo zokuhlanganisa okuphansi kanye nezinhlobo ze-doping ezilawulekayo, kodwa inqubo iyinkimbinkimbi futhi inzima.Ukufakwa kwe-ion kunezici zokulawula ukunemba okuphezulu kanye nokufana okuhle kokusabalalisa, kodwa okokusebenza kwakho kuyabiza futhi kulula ukubangela ukulimala kwe-lattice.
Ibhekisela kunqubo yokukhiqiza ye-ABC ye-Aixu, ikakhulukazi isebenzisa indlela yokufaka i-laser, futhi inqubo yokukhiqiza inezinyathelo ezingafinyelela kweziyi-14.Ngokusho kwedatha edalulwe yinkampani emhlanganweni wokushintshisana kokusebenza, izinga lokukhiqiza ngobuningi le-ABC lingama-95% kuphela, eliphansi kakhulu kune-98% ye-PERC ne-HJT.Kufanele wazi ukuthi i-Aixu ingumkhiqizi wamaseli ochwepheshe onokuqongelela okujulile kobuchwepheshe, futhi umthamo wayo wokuthumela usendaweni yesibili emhlabeni unyaka wonke.Lokhu futhi kuqinisekisa ngokuqondile ukuthi ubunzima benqubo yokukhiqiza ye-IBC buphezulu.
Omunye wemizila yobuchwepheshe yesizukulwane esilandelayo ye-TOPCon ne-HJT
Nakuba inqubo yokukhiqiza ye-IBC inzima uma kuqhathaniswa, izici zayo zobuchwepheshe zohlobo lwesikhulumi ziphakamisa umkhawulo ophezulu wokuguqulwa, onganweba ngempumelelo umjikelezo wokuphila kobuchwepheshe, kuyilapho kugcinwa ukuncintisana kwemakethe kwamabhizinisi, kunganciphisa nokusebenza okubangelwa ukuphindaphinda kwezobuchwepheshe. .ingozi.Ikakhulukazi, ukunqwabelanisa nge-TOPCon, i-HJT, ne-perovskite ukwenza ibhethri le-tandem elisebenza kahle kakhulu ekuguquleni imboni ibhekwa ngazwi linye njengomunye wemizila yobuchwepheshe evamile esikhathini esizayo.Ngakho-ke, i-IBC kungenzeka ibe ngomunye wemizila yobuchwepheshe yesizukulwane esilandelayo samakamu amanje e-TOPCon kanye ne-HJT.Njengamanje, izinkampani eziningi zidalule ukuthi zenza ucwaningo olufanele lwezobuchwepheshe.
Ngokukhethekile, i-TBC eyakhiwe i-superposition ye-TOPCon ne-IBC isebenzisa ubuchwepheshe be-POLO be-IBC ngaphandle kwesihlangu ngaphambili, okuthuthukisa umphumela wokudlula kanye nogesi ovulekile wesekethe ngaphandle kokulahlekelwa okwamanje, ngaleyo ndlela kuthuthukiswe ukusebenza kahle kokuguqulwa kwesithombe sikagesi.I-TBC inezinzuzo zokuzinza okuhle, ukuthintana okuhle kakhulu kokukhetha kanye nokuhambisana okuphezulu nobuchwepheshe be-IBC.Ubunzima bezobuchwepheshe benqubo yokukhiqiza bulele ekuhlukaniseni i-electrode yangemuva, ukufana kwekhwalithi ye-passivation ye-polysilicon, kanye nokuhlanganiswa nomzila wenqubo ye-IBC.
I-HBC eyakhiwe i-superposition ye-HJT ne-IBC ayinakho ukuvikela i-electrode endaweni engaphambili, futhi isebenzisa ungqimba olumelene nokubonisa esikhundleni se-TCO, enokulahlekelwa okuncane kokubona kanye nezindleko eziphansi ebangeni elifushane lamaza amaza.Ngenxa yomphumela wayo ongcono wokudlulisa amandla kanye ne-coefficient ephansi yezinga lokushisa, i-HBC inezinzuzo ezisobala ekusebenzeni kahle kokuguqulwa ekugcineni kwebhethri, futhi ngesikhathi esifanayo, ukukhiqizwa kwamandla ekugcineni kwemojula nakho kuphakeme.Kodwa-ke, izinkinga zenqubo yokukhiqiza ezifana nokuhlukaniswa okuqinile kwe-electrode, inqubo eyinkimbinkimbi kanye newindi lenqubo elincane le-IBC kusewubunzima obuthiya ukwenziwa kwayo kwezimboni.
I-PSC IBC eyakhiwe yi-superposition ye-perovskite kanye ne-IBC ingabona i-spectrum yokumuncwa okuhambisanayo, bese ithuthukisa ukusebenza kahle kokuguqulwa kwesithombe sikagesi ngokuthuthukisa izinga lokusebenzisa i-spectrum yelanga.Nakuba ukusebenza kahle kokuguqulwa kokugcina kwe-PSC IBC kuphakeme ngokombono, umthelela ekuzinzeni kwemikhiqizo yeseli ye-silicon yekristalu ngemva kokunqwabelaniswa nokuhambisana kwenqubo yokukhiqiza nolayini wokukhiqiza okhona kungenye yezinto ezibalulekile ezikhawulela ukuthuthukiswa kwayo.
Ukuhola "Umnotho Wobuhle" we-Photovoltaic Industry
Kusukela ezingeni lesicelo, ngokuqubuka kwezimakethe ezisatshalaliswa emhlabeni wonke, imikhiqizo yemojula ye-IBC enokuguqulwa okuphakeme okusebenzayo nokubukeka okuphezulu kunamathemba okuthuthuka abanzi.Ikakhulukazi, izici zayo zenani eliphezulu zinganelisa ukuphishekela kwabathengi “ubuhle”, futhi kulindeleke ukuthi kutholwe iprimiyamu yomkhiqizo othile.Ngokubhekiselwa embonini yezinto zikagesi zasendlini, “umnotho wokubukeka” usuphenduke umnyombo wokukhula kwemakethe ngaphambi kwalolu bhubhane, kuyilapho lezo zinkampani ezigxile kuphela kwikhwalithi yomkhiqizo ziye zashiywa kancane kancane ngabathengi.Ukwengeza, i-IBC nayo iyifanele kakhulu i-BIPV, ezoba yindawo yokukhula engaba khona esikhathini esimaphakathi ukuya esikhathini eside.
Ngokuqondene nesakhiwo semakethe, okwamanje kunabadlali abambalwa kuphela emkhakheni we-IBC, njenge-TCL Zhonghuan (MAXN), LONGi Green Energy kanye ne-Aixu, kuyilapho isabelo semakethe esabalalisiwe sibalele ngaphezu kwesigamu se-photovoltaic iyonke. imakethe.Ikakhulukazi ngokuqubuka kwesikali esigcwele kwemakethe yaseYurophu yokugcina izinto zasendlini, engazweli kakhulu entengo, esebenza kahle kakhulu futhi enenani eliphezulu imikhiqizo yemojula ye-IBC cishe izothandwa phakathi kwabathengi.
Isikhathi sokuthumela: Sep-02-2022