Bincike akan daidaitattun ƙwayoyin N-type TOPCon
- An sabunta: 2023-05-14
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oitech
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A cikin 'yan shekarun nan, tare da ci gaba da yin amfani da sababbin fasaha, sababbin matakai da sababbin tsarin kwayoyin halitta, masana'antun kwayoyin halitta sun ci gaba da sauri. A matsayin babbar fasahar da ke tallafawa haɓaka sabbin makamashi da grid masu wayo, ƙwayoyin n-nau'in sun zama wuri mai zafi a ci gaban masana'antu na duniya.
Saboda n-type tunneling oxide Layer passivation contact photovoltaic cell (nan gaba ake magana a kai a matsayin "n-type TOPCon cell") yana da fa'idar aiki na inganta ingantaccen inganci idan aka kwatanta da sel na photovoltaic na al'ada, tare da haɓakar ƙimar sarrafawa da kuma canjin kayan aiki balagagge, Kwayoyin TOPCon na nau'in n-ci gaba da haɓaka ƙarfin samar da gida ya zama babban jagorar ci gaba na ƙwararrun ƙwararrun ƙwararrun sel.
Daidaita nau'in baturan TOPCon na nau'in n-nau'i yana fuskantar matsaloli kamar rashin iyawa don rufe ma'auni na yanzu da kuma buƙatar inganta abubuwan da suka dace. Wannan takarda za ta gudanar da bincike da bincike kan daidaitattun batir ɗin TOPCon na nau'in n, kuma ya ba da shawarwari don daidaitawa.Matsayin haɓaka na nau'in fasahar salula na TOPConTsarin p-type silicon tushe kayan amfani a cikin al'ada photovoltaic Kwayoyin ne n + pp +, da haske-karba surface ne n + surface, da phosphorous watsawa da ake amfani da su samar da emitter.Akwai manyan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan kwayoyin halitta na hotovoltaic don nau'in siliki na kayan n-type, ɗayan n+np+, ɗayan kuma p+nn+.Idan aka kwatanta da nau'in siliki na p-type, nau'in silicon na nau'in n-nau'in yana da mafi kyawun dillalan dillalai na rayuwa, ƙarancin ƙima, da yuwuwar inganci.Tantanin halitta na nau'in nau'in nau'in nau'in nau'in nau'in silicon na n-type yana da fa'idodi na babban inganci, kyakkyawan amsawar haske, ƙarancin zafin jiki, da ƙarin ƙarfin ƙarfin mai gefe biyu.Kamar yadda buƙatun masana'antu don ingantaccen jujjuyawar hoto na sel na photovoltaic ke ci gaba da ƙaruwa, nau'in n-nau'in ƙwararrun ƙwararrun ƙwararrun sel kamar TOPCon, HJT, da IBC sannu a hankali za su mamaye kasuwa na gaba.Dangane da 2021 International Photovoltaic Roadmap (ITRPV) fasahar masana'antar hoto ta duniya da hasashen kasuwa, nau'in nau'in n-nau'in suna wakiltar fasahar gaba da ci gaban kasuwa na sel na hotovoltaic a gida da waje.Daga cikin hanyoyin fasaha na nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan n-nau'i uku, batir na nau'in TOPCon na n-type sun zama hanyar fasaha tare da ma'aunin masana'antu mafi girma saboda fa'idarsu na yawan amfani da kayan aikin da ake da su da kuma ingantaccen juzu'i.
A halin yanzu, batir TOPCon na nau'in n-nau'in a cikin masana'antar gabaɗaya ana shirya su bisa fasahar LPCVD (ƙananan tururi-lokacin sinadarai), wanda ke da matakai da yawa, inganci da yawan amfanin ƙasa an iyakance, kuma kayan aiki sun dogara da shigo da kaya. Yana bukatar a inganta. Samar da manyan nau'ikan ƙwayoyin TOPCon na nau'in n-nau'in yana fuskantar matsalolin fasaha kamar tsadar masana'antu, tsari mai rikitarwa, ƙarancin yawan amfanin ƙasa, da ƙarancin juzu'i.Masana'antu sun yi ƙoƙari da yawa don inganta fasahar n-type TOPCon Kwayoyin. Daga cikin su, ana amfani da fasahar Layer polysilicon doped a cikin wurin a cikin tsari guda ɗaya na tunneling oxide Layer da doped polysilicon (n + -polySi) Layer ba tare da rufewa ba;An shirya na'urar lantarki ta nau'in n-type TOPCon baturi ta hanyar amfani da sabon fasaha na haɗuwa da manna aluminum da manna na azurfa, wanda ya rage farashin kuma yana inganta juriya na lamba; yana ɗaukar tsarin zaɓin emitter na gaba da fasahar tsarin tunnel ɗin rami mai yawa na baya.Waɗannan haɓakawa na fasaha da haɓaka tsari sun ba da wasu gudummawa ga masana'antu na ƙwayoyin TOPCon nau'in n-type.Bincike kan daidaitawa na nau'in n-type TOPCon baturiAkwai wasu bambance-bambancen fasaha tsakanin nau'in nau'in TOPCon na nau'in nau'in nau'in nau'in nau'in nau'in p-type na al'ada, kuma hukuncin sel na hotovoltaic a kasuwa ya dogara ne akan ka'idodin baturi na yau da kullum, kuma babu wata ma'auni mai mahimmanci don nau'in n-type photovoltaic sel. .Kwayoyin TOPCon na nau'in n-type yana da halaye na ƙananan ƙididdiga, ƙananan zafin jiki, babban inganci, babban haɗin gwiwar bifacial, babban ƙarfin buɗewa, da dai sauransu Ya bambanta da kwayoyin photovoltaic na al'ada dangane da ma'auni.
Wannan sashe zai fara ne daga ƙayyadaddun ma'auni na batir TOPcon nau'in n-type, gudanar da daidaitaccen tabbaci a kusa da lanƙwasa, ƙarfin juzu'i na lantarki, amintacce, da aikin attenuation na farko wanda ya haifar da haske, kuma tattauna sakamakon tabbatarwa.Ƙaddamar da daidaitattun alamomiKwayoyin Photalal na al'ada suna dogara ne akan samfurin GB / T29195-2012 "Janar Bayanin Bayanin Silicon Landalline", wanda a fili yake buƙatar sigogin sel na Photovoltanic.Dangane da bukatun GB/T29195-2012, haɗe tare da halayen fasaha na batir TOPCon na nau'in n-type, an gudanar da bincike abu da abu.Dubi Table 1, n-type TOPCon baturi daidai suke da batura na al'ada dangane da girma da bayyanar;
Table 1 Kwatanta tsakanin n-type TOPCon baturi da GB/T29195-2012 bukatun
Dangane da sigogin aikin lantarki da ƙimar zafin jiki, ana yin gwaje-gwaje bisa ga IEC60904-1 da IEC61853-2, kuma hanyoyin gwajin sun yi daidai da batura na al'ada; Abubuwan da ake buƙata don kayan aikin injiniya sun bambanta da batura na al'ada dangane da digiri na lanƙwasa da ƙarfin ƙarfin lantarki.Bugu da ƙari, bisa ga ainihin yanayin aikace-aikacen samfurin, ana ƙara gwajin zafi mai zafi azaman abin dogaro.Dangane da binciken da aka yi a sama, an gudanar da gwaje-gwaje don tabbatar da kaddarorin inji da amincin nau'in batura TOPCon na n-type.An zaɓi samfuran sel na hotovoltaic daga masana'antun daban-daban tare da hanyar fasaha iri ɗaya azaman samfuran gwaji. Taizhou Jolywood Optoelectronics Technology Co., Ltd ne ya samar da samfuran.An gudanar da gwajin a cikin dakunan gwaje-gwaje na ɓangare na uku da dakunan gwaje-gwaje na masana'antu, kuma an gwada da tabbatar da ma'auni kamar digiri na lanƙwasa da ƙarfin ƙarfin wutar lantarki, gwajin zagayowar zafi da gwajin zafi mai ɗanɗano, kuma an gwada aikin attenuation na farko da haske ya haifar.Tabbatar da Kayayyakin Injini na Kwayoyin PhotovoltaicDigiri na lanƙwasawa da ƙarfin ƙarfin ƙarfin lantarki a cikin injina na nau'ikan batir na nau'in TOPCon ana gwada su kai tsaye akan takardar baturin kanta, kuma tabbatar da hanyar gwajin shine kamar haka.Curvature yana nufin karkatar da ke tsakanin tsakiyar tsakiya na tsaka-tsakin tsaka-tsakin samfurin da aka gwada da kuma jirgin sama na tsakiya. Yana da mahimmancin alama don kimanta lallausan baturi a ƙarƙashin damuwa ta hanyar gwada nakasar lanƙwasa ta tantanin halitta na photovoltaic.Hanyar gwaji ta farko ita ce auna nisa daga tsakiyar wafer zuwa jirgin sama ta amfani da alamar matsawa mara ƙarfi.Jolywood Optoelectronics da Jahar Xi'an Power Zuba Jari sun ba da batura 20 na M10 size n-type TOPCon kowanne. Lalacewar saman ya fi 0.01mm, kuma an gwada curvature batir tare da kayan aunawa tare da ƙuduri fiye da 0.01mm.Ana yin gwajin lanƙwasawa baturi bisa ga tanadi na 4.2.1 a cikin GB/T29195-2012.Ana nuna sakamakon gwajin a Table 2.
Table 2 Sakamakon gwajin lankwasawa na nau'in n-type TOPCon
Ma'auni na kula da cikin gida na kasuwanci na Jolywood da Jahar Xi'an Power Zuba Jari duk suna buƙatar cewa matakin lankwasawa bai wuce 0.1mm ba. Bisa kididdigar sakamakon gwajin da aka yi, matsakaicin lankwasa digiri na Jolywood Optoelectronics da Jahar Xi'an Power Investment ya kai 0.056mm da 0.053mm bi da bi. Matsakaicin ƙimar shine 0.08mm da 0.10mm, bi da bi.Dangane da sakamakon tabbatar da gwajin, ana ba da shawarar cewa curvature na baturin TOPCon na nau'in n-type bai wuce 0.1mm ba.Tabbatar da ƙarfin ƙarfin wutar lantarkiAn haɗa kintinkirin ƙarfe zuwa grid waya na photovoltaic cell ta waldi don gudanar da halin yanzu. Ya kamata a haɗa kintinkirin mai siyarwa da na'urar lantarki da ƙarfi don rage juriyar lamba da tabbatar da ingancin gudanarwa na yanzu.Saboda wannan dalili, gwajin ƙarfin ƙarfin lantarki na lantarki akan grid waya na baturi zai iya kimanta ƙarfin walƙiya da ingancin walda na baturin, wanda shine hanyar gwaji na yau da kullum don ƙarfin mannewa na motar baturi na photovoltaic.<section style="margin: 0px 0px 16px;padding: 0px;outline
