Nguva pfupi yadarika, TCL Zhonghuan yakazivisa kunyoresa mabhondi anochinjika kubva kuMAXN, kambani ine shareholding, neUS$200 miriyoni kutsigira kutsvagisa nekuvandudzwa kweiyo Maxeon 7 yakatevedzana zvigadzirwa zvichibva paIBC bhatiri tekinoroji. Pazuva rekutanga rekutengesa mushure mekuzivisa, mutengo wekugoverana weTCL Central wakakwira nemuganhu. Uye migove yeAixu, inoshandisawo IBC bhatiri tekinoroji, nebhatiri reABC rave kuda kugadzirwa, mutengo wemasheya wakawedzera nekanopfuura ka4 kubva muna Kubvumbi 27.
Sezvo indasitiri yephotovoltaic ichipinda zvishoma nezvishoma munguva yeN-mhando, N-mhando yebhatiri tekinoroji inomiririrwa neTOPCon, HJT, uye IBC yave kutarisa kwemabhizinesi anokwikwidza kuronga. Zvinoenderana nedata, TOPCon ine iripo yekugadzira ye54GW, uye iri pasi-kuvaka uye yakarongwa kugadzirwa kwe146GW; HJT yavepo yekugadzira huwandu ndeye 7GW, uye iyo iri pasi-kuvaka uye yakarongwa kugadzirwa kwehuwandu i180GW.
Nekudaro, zvichienzaniswa neTOPCon neHJT, hapana akawanda IBC masumbu. Kune makambani mashoma munzvimbo iyi, akadai seTCL Central, Aixu, uye LONGi Green Energy. Huwandu hwese huripo, huri kuvakwa uye hwakarongwa hwekugadzira huwandu hahupfuuri 30GW. Iwe unofanirwa kuziva kuti IBC, ine nhoroondo yeanoda kusvika makore makumi mana, yakatotengeswa, maitiro ekugadzira akura, uye zvese kushanda nesimba uye mutengo zvine zvimwe zvakanakira. Saka, chii chikonzero nei IBC isati yave nzira yetekinoroji yeindasitiri?
Platform tekinoroji yepamusoro yekushandura inoshanda, inoyevedza kutaridzika uye hupfumi
Zvinoenderana nedata, IBC ndeye photovoltaic cell chimiro chine kumashure junction uye kumashure kusangana. Yakatanga kutaurwa neSunPower uye ine nhoroondo yeanoda kusvika makore makumi mana. Rutivi rwekumberi runotora SiNx/SiOx kaviri-layer anti-reflection passivation firimu isina simbi grid mitsara; uye emitter, munda wekumashure uye inoenderana yakanaka uye yakaipa simbi electrodes inobatanidzwa kumashure kwebhatiri mune inopindirana chimiro. Sezvo rutivi rwemberi rusina kuvharwa nemitsara yegridhi, chiedza chechiitiko chinogona kushandiswa kusvika pamwero mukuru, nzvimbo inobudisa chiedza inogona kuwedzerwa, kurasikirwa kwemaziso kunogona kuderedzwa, uye chinangwa chekuvandudza photoelectric shanduko inoshanda inogona kuva. kubudirira.
Iyo data inoratidza kuti theoretical shanduko inoshanda muganho weIBC i29.1%, iyo yakakwirira kupfuura 28.7% uye 28.5% yeTOPCon neHJT. Parizvino, avhareji yehuwandu hwekushandura shanduko yehutano hweMAXN ichangoburwa IBC cell tekinoroji yasvika pamusoro pe25%, uye chigadzirwa chitsva Maxeon 7 inotarisirwa kuwedzera kusvika pamusoro pe26%; avhareji yekushandurwa kwesero yeAixu's ABC cell inotarisirwa kusvika 25.5%, iyo yakanyanya kutendeuka inoshanda murabhoritari Kushanda kwacho kwakakwira se26.1%. Kusiyana neizvi, avhareji yehuwandu hwekushandura kugadzirwa kweTOPCon neHJT yakaburitswa nemakambani kazhinji iri pakati pe24% ne25%.
Kubatsirwa kubva kune imwechete-sidedhi chimiro, IBC inogona zvakare kukwidziridzwa neTOPCon, HJT, perovskite uye mamwe matekinoroji ebhatiri kuumba TBC, HBC uye PSC IBC ine yepamusoro shanduko inoshanda, saka inozivikanwa zvakare se "platform tekinoroji". Parizvino, hunyanzvi hwekushandura murabhoritari hweTBC neHBC hwasvika pa26.1% ne26.7%. Zvinoenderana nemhedzisiro yekunyepedzera yePSC IBC cell performance yakaitwa nechikwata chekune dzimwe nyika chekutsvagisa, iko kushandurwa kwakanaka kwe3-T chimiro PSC IBC yakagadzirirwa paIBC yepasi sero ine 25% photoelectric shanduko yekushandura pamberi mameseji yakakwira kusvika 35.2%.
Nepo iyo yekupedzisira shanduko inoshanda yakakwira, IBC inewo hupfumi hwakasimba. Zvinoenderana nefungidziro yenyanzvi dzeindasitiri, mutengo uripo paW yeTOPCon neHJT i0.04-0.05 yuan/W uye 0.2 yuan/W yakakwirira kupfuura yePERC, uye makambani anonyatsoziva kugadzirwa kweIBC anogona kuwana mutengo wakafanana. se PERC. Zvakafanana neHJT, mari yemidziyo yeIBC yakati wandei, inosvika mazana matatu emamiriyoni eyuan/GW. Nekudaro, uchibatsirwa nehunhu hwekushandisa yakaderera sirivheri, mutengo paW weIBC wakaderera. Zvakakodzera kutaura kuti Aixu's ABC yakawana sirivha-yemahara tekinoroji.
Pamusoro pezvo, IBC ine chitarisiko chakanaka nekuti haina kuvharwa nemitsetse yegridi kumberi, uye inonyanya kukodzera mamiriro emumba uye misika yakagoverwa seBIPV. Kunyanya mumusika wevatengi usingatengi mutengo, vatengi vanonyanya kuda kubhadhara mari yepamusoro kuti vataridzike zvinoyevedza. Semuenzaniso, ma modules madema, ayo anozivikanwa zvikuru mumusika weimba mune dzimwe nyika dzeEurope, ane yepamusoro yepamusoro yepamusoro pane yakajairwa PERC modules nekuti iwo akanyanya kunaka kuenderana nedenga rakasviba. Zvisinei, nekuda kwechinetso chegadziriro yekugadzirira, kushandiswa kwekushandura kwemamodules madema kwakaderera kudarika kwePERC modules, nepo "yakanaka zvakasikwa" IBC haina dambudziko rakadaro. Iyo ine chitarisiko chakanaka uye chepamusoro shanduko inoshanda, saka iyo application mamiriro Akapamhama uye yakasimba chigadzirwa premium kugona.
Maitiro ekugadzira akakura, asi kuoma kwehunyanzvi kwakakwira
Sezvo IBC iine yakanyanya kutendeuka kushanda zvakanaka uye zvakanaka zvehupfumi, nei makambani mashoma ari kuendesa IBC? Sezvambotaurwa pamusoro, makambani chete anonyatsoziva maitiro ekugadzirwa kweIBC anogona kuva nemutengo wakafanana neiyo yePERC. Nokudaro, iyo yakaoma yekugadzira maitiro, kunyanya kuvapo kwemarudzi akawanda e semiconductor maitiro, ndicho chikonzero chikuru che "clustering" yayo shoma.
Mupfungwa yechinyakare, IBC inonyanya kuve nematatu maitirwo enzira: imwe ndiyo yemhando yeIBC process inomiririrwa neSunPower, imwe yacho ndeye POLO-IBC maitiro anomiririrwa neISFH (TBC ndeye mabviro akafanana sezvairi), uye yechitatu inomiririrwa. by Kaneka HBC process. Iyo ABC tekinoroji nzira yeAixu inogona kutorwa seyechina tekinoroji nzira.
Kubva pamaonero ekukura kwemaitiro ekugadzira, iyo yekare IBC yakatowana kugadzirwa kwakawanda. Data inoratidza kuti SunPower yakatumira zvikamu zve 3.5 bhiriyoni; ABC ichawana huwandu hwekugadzira huwandu hwe6.5GW muchikamu chechitatu chegore rino. Zvikamu zve "Black Hole" yakatevedzana tekinoroji. Zvichienderana, tekinoroji yeTBC neHBC haina kukura zvakakwana, uye zvinotora nguva kuita zvekutengesa.
Yakanangana nemaitiro ekugadzira, shanduko huru yeIBC kana ichienzaniswa nePERC, TOPCon, uye HJT iri mukugadziriswa kweiyo kumashure electrode, ndiko kuti, kuumbwa kweiyo interdigitated p + dunhu uye n+ dunhu, inovawo kiyi yekukanganisa kushanda kwebhatiri. . Mukugadzirwa kweiyo classic IBC, kumisikidzwa kweiyo kumashure electrode inonyanya kusanganisa nzira nhatu: screen kudhinda, laser etching, uye ion implantation, zvichikonzera nzira nhatu dzakasiyana dzakasiyana, uye imwe neimwe nzira inoenderana nemaitiro akawanda segumi nemana. nhanho, 12 nhanho uye 9 nhanho.
Iyo data inoratidza kuti kunyangwe iyo skrini yekudhinda ine tekinoroji yakakura inotaridzika yakapusa pamusoro, ine zvakakosha mutengo zvakanakira. Nekudaro, nekuti zviri nyore kukonzera kukanganisa pamusoro pebhatiri, iyo doping mhedzisiro yakaoma kudzora, uye akawanda screen kudhinda uye chaiyo alignment maitiro anodiwa, nekudaro kuwedzera kuomarara kwemaitiro uye mutengo wekugadzira. Laser etching ine zvakanakira yakaderera musanganiswa uye controllable doping marudzi, asi maitiro akaoma uye akaoma. Kusimwa kweIon kune hunhu hwehutongi hwepamusoro uye hwakafanana hwekupararira, asi midziyo yayo inodhura uye iri nyore kukonzeresa kukuvara kwereti.
Ichitaura nezveABC yekugadzira maitiro eAixu, inonyanya kutora nzira yelaser etching, uye maitiro ekugadzira ane akawanda anosvika gumi nemana. Zvinoenderana nedata rakaburitswa nekambani pamusangano wekutsinhana kwekuita, huwandu hwegoho rehuwandu hweABC hunongova 95%, iyo yakaderera zvakanyanya kupfuura 98% yePERC neHJT. Iwe unofanirwa kuziva kuti Aixu inyanzvi yekugadzira maseru ine yakadzika tekinoroji kuunganidza, uye vhoriyamu yekutakura inomira yechipiri pasirese gore rese. Izvi zvakare zvinosimbisa zvakananga kuti kuoma kweiyo IBC kugadzirwa kwakakwira.
Imwe yeinotevera-chizvarwa tekinoroji nzira dzeTOPCon uye HJT
Kunyangwe maitiro ekugadzira eIBC akaomarara, ayo epuratifomu-mhando tekinoroji maficha anokwirisa epamusoro shanduko inoshanda muganho, iyo inogona kunyatso wedzera tekinoroji kutenderera kwehupenyu, uku ichichengetedza musika kukwikwidza kwemabhizinesi, inogona zvakare kuderedza mashandiro anokonzerwa netekinoroji iteration. . ngozi. Kunyanya, kurongedza neTOPCon, HJT, uye perovskite kugadzira bhatiri retandem rine hunyanzvi hwekushandura rinoonekwa pamwe chete neindasitiri seimwe yenzira dzetekinoroji mune ramangwana. Naizvozvo, IBC ingangove imwe yeinotevera-chizvarwa tekinoroji nzira dzeazvino TOPCon uye HJT misasa. Parizvino, makambani akati wandei akaburitsa pachena kuti ari kuita tsvakiridzo yehunyanzvi.
Kunyanya, iyo TBC yakaumbwa neiyo yepamusoro yeTOPCon uye IBC inoshandisa POLO tekinoroji yeIBC isina nhovo kumberi, iyo inovandudza passivation mhedzisiro uye yakavhurika-inotenderera voltage pasina kurasikirwa ikozvino, nekudaro inovandudza iyo photoelectric shanduko inoshanda. TBC ine zvakanakira kugadzikana kwakanaka, yakanakisa yekusarudza passivation kuonana uye yakakwirira kuenderana neIBC tekinoroji. Matambudziko ehunyanzvi ekugadzira kwayo ari mukuparadzaniswa kweiyo kumashure electrode, kufanana kweiyo passivation mhando yepolysilicon, uye kubatanidzwa neIBC process nzira.
HBC inoumbwa nepamusoro peHJT uye IBC haina electrode inodzivirira pamusoro pechiso chepamberi, uye inoshandisa anti-reflection layer panzvimbo yeTCO, iyo ine zvishoma kurasikirwa kwemaziso uye kuderera kwemutengo mupfupi wevelength renji. Nekuda kwekuita kwayo kurinani kwekuita uye kuderera kwetembiricha coefficient, HBC ine mabhenefiti ari pachena mukushandurwa kushanda pakupera kwebhatiri, uye panguva imwecheteyo, kugadzirwa kwemagetsi pamagumo emodule zvakare kwakakwira. Nekudaro, iwo matambudziko ekugadzira maitiro akadai seyakasimba electrode kuparadzaniswa, yakaoma maitiro uye nhete process hwindo reIBC achiri iwo matambudziko anotadzisa maindasitiri ayo.
Iyo PSC IBC yakaumbwa neiyo superposition ye perovskite uye IBC inogona kuona iyo inopindirana absorption spectrum, uye yobva yavandudza iyo photoelectric shanduko inoshanda nekuvandudza mwero wekushandiswa kwesolar spectrum. Kunyangwe iyo yekupedzisira kunyatso shandura kwePSC IBC kwakakwira ne theoretically, iko kugadzikana kwecrystalline silicon cell zvigadzirwa mushure mekurongedza uye kuenderana kwemaitiro ekugadzira neiyo iripo yekugadzira mutsara ndechimwe chezvinhu zvakakosha zvinomisa kusimukira kwayo.
Kutungamira "Beauty Economy" yePhotovoltaic Industry
Kubva padanho rekushandisa, nekubuda kwemisika yakagoverwa pasirese, IBC module zvigadzirwa zvine hunyanzvi hwekushandura uye kutaridzika kwepamusoro zvine tarisiro yakakura yebudiriro. Kunyanya, maficha ayo emhando yepamusoro anogona kugutsa vatengi kutsvaga "runako", uye zvinotarisirwa kuwana chimwe chigadzirwa cheprimiyamu. Tichitaura nezve indasitiri yemidziyo yemumba, "hupfumi hwekutaridzika" hwave hwaro hwekukurudzira kukura kwemusika denda risati rasvika, nepo makambani anongotarisa pamhando yechigadzirwa akasiiwa zvishoma nezvishoma nevatengi. Pamusoro pezvo, IBC yakanyatsokodzerawo BIPV, inova ingangoita nzvimbo yekukura mukati menguva refu.
Nekuda kwechimiro chemusika, parizvino kune vashoma vatambi mumunda weIBC, vakaita seTCL Zhonghuan (MAXN), LONGi Green Energy neAixu, nepo chikamu chemusika chakagoverwa chakaverengera inopfuura hafu yehuwandu hwephotovoltaic. market. Kunyanya nekubuda kwakazara kwemusika weEuropean imba yekuchengetera musika, iyo isinganyanyi kukoshesa mutengo, yakakwirira-inoshanda uye yakakwirira-kukosha IBC module zvigadzirwa zvingangove zvakakurumbira pakati pevatengi.
Nguva yekutumira: Sep-02-2022