Izingxenye Eziyinhloko Zamamojula E-Photovoltaic kanye Nezinto Ezingavuthiwe

1. Amaseli e-Silicon kumamojula we-photovoltaic

I-Silicon cell substrate material iwuhlobo lwe-P-monocrystalline silicon noma i-polysilicon, ngokusebenzisa imishini ekhethekile yokusika i-silicon ye-monocrystalline noma i-polysilicon silicon induku isikwe ibe ugqinsi olungaba ngu-180μm silicon, bese ngokusebenzisa uchungechunge lwezinqubo zokukhiqiza.

a. Amaseli e-Silicon ayizinto eziyinhloko ezingxenyeni zebhethri, amaseli e-silicon afanelekayo kufanele abe nezici ezilandelayo

I-1.Inokusebenza okuzinzile nokusebenza kahle kokuguqulwa kwe-photoelectric nokuthembeka okuphezulu.

2.Ubuchwepheshe bokusabalalisa obuthuthukisiwe busetshenziselwa ukuqinisekisa ukufana kokusebenza kokuguqulwa kuyo yonke ifilimu.

3.Ubuchwepheshe bokwenza ifilimu ye-PECVD ethuthukisiwe busetshenziselwa ukugqoka ubuso bebhethri ngefilimu emnyama ye-silicon nitride anti-reflection, ukuze umbala ufane futhi ube muhle.

4.Sebenzisa izinga eliphezulu lesiliva nesiliva lensimbi yokunamathisela i-aluminium ukuze wenze insimu yangemuva kanye nama-electrode omugqa wesango ukuze uqinisekise ukuhamba kahle kagesi, ukunamathela okuthembekile kanye nokushisela okuhle kwe-electrode.

5.Imifanekiso yokuphrinta yesikrini esinembayo ephezulu kanye ne-flatness ephezulu, okwenza ibhethri ibe lula ukushisela okuzenzakalelayo nokusika kwe-laser.

b. Umehluko phakathi kwe-silicon ye-monocrystalline namaseli e-polycrystalline silicon

Ngenxa yomehluko enqubweni yokuqala yokukhiqiza yamaseli e-silicon e-monocrystalline namaseli e-polycrystalline silicon, anomehluko othile kusukela ekubukekeni kuya ekusebenzeni kukagesi. Ngokombono wokubukeka, amakhona amane eseli ye-silicon ye-monocrystalline angama-arc alahlekile, futhi ayikho iphethini ebusweni; Amakhona amane eseli ye-polycrystalline silicon angamakhona ayizikwele, futhi ingaphezulu linephethini efana nezimbali zeqhwa. Umbala ongaphezulu weseli ye-silicon ye-monocrystalline ngokuvamile umnyama okwesibhakabhaka, futhi umbala ongaphezulu we-polycrystalline silicon cell ngokuvamile uluhlaza okwesibhakabhaka.

2. Ingilazi yephaneli

Ingilazi yephaneli esetshenziswa yi-imodeli ye-photovoltaic iyinsimbi ephansi ye-suede emhlophe noma ingilazi ebushelelezi. Ugqinsi olujwayelekile luyi-3.2mm no-4mm, futhi ingilazi epholile engu-5 ~ 10mm ukujiya kwesinye isikhathi isetshenziselwa izinto zokwakha izingxenye zebhethri. Kungakhathalekile ukuthi ugqinsi kangakanani, ukudluliswa kwe-transmitta kuyadingeka ukuthi kube ngaphezu kuka-91%, ububanzi be-wavelength ye-spectral yi-320 ~ 1100nm, futhi ukukhanya kwe-infrared okukhulu kuno-1200nm kunokubonakala okuphezulu.

Insimbi ephansi emhlophe kakhulu isho ukuthi okuqukethwe kwensimbi kule ngilazi kungaphansi kwalokho kwengilazi evamile, futhi okuqukethwe kwe-iron (i-iron oxide) kungaphansi kuka-150ppm, ngaleyo ndlela kwandise ukudluliswa kokukhanya kwengilazi. Ngesikhathi esifanayo, kusukela emaphethelweni engilazi, le ngilazi ibuye ibe mhlophe kunengilazi evamile, ehlaza kusukela emaphethelweni.

3. EVA ifilimu

Ifilimu ye-EVA iyi-copolymer ye-ethylene kanye ne-vinyl acetate grease, ifilimu ye-thermosetting enamathelayo encibilikayo eshisayo, enganamatheli ekamelweni lokushisa, emva kwezimo ezithile zokucindezela okushisayo kuzokwenzeka ukuncibilika kwe-bonding kanye nokuphulukiswa kwe-crosslinking, kube obala ngokuphelele, yiyona yamanje.I-solar panel module ukupakishwa ekusetshenzisweni okuvamile kwezinto zokubopha. Izendlalelo ezimbili zefilimu ye-EVA zengezwa ekuhlanganiseni kwamaseli elanga, futhi izingqimba ezimbili zefilimu ye-EVA zifakwe nge-sandwich phakathi kwengilazi yephaneli, ishidi lebhethri nefilimu ye-backplane ye-TPT ukuze kuhlanganiswe ingilazi, ishidi lebhethri ne-TPT ndawonye. Ingakwazi ukuthuthukisa ukuhanjiswa kokukhanya kwengilazi ngemva kokuhlangana nengilazi, idlale indima emelene ne-reflection, futhi ibe nomthelela wokuzuza ekuphumeni kwamandla emojuli yebhethri.

4. Impahla ye-backplane

Kuya ngezidingo zezingxenye zebhethri, okokusebenza kwe-backplane kungakhethwa ngezindlela ezahlukahlukene. Ngokuvamile banengilazi epholile, i-plexiglass, i-aluminium alloy, ifilimu eyinhlanganisela ye-TPT nokunye. I-backplane yengilazi eqinile isetshenziselwa ikakhulukazi ukukhiqizwa kwamamojula webhethri ahlangene kabili emaceleni, izindonga zamakhethini e-photovoltaic, uphahla lwe-photovoltaic, njll., intengo iphezulu, isisindo sengxenye nayo inkulu. Ngaphezu kwalokho, esetshenziswa kabanzi i-TPT ulwelwesi oluyinhlanganisela. Iningi lezembozo ezimhlophe ezivame ukubonakala ngemuva kwezingxenye zebhethri zingamafilimu ayinhlanganisela. Ngokuya ngezidingo zokusetshenziswa kwengxenye yebhethri, ulwelwesi olungemuva lungakhethwa ngezindlela ezahlukahlukene. I-backplane membrane ihlukaniswe ngokuyinhloko izigaba ezimbili: i-backplane equkethe i-fluorine kanye ne-backplane engeyona i-fluorine. I-backplane equkethe i-fluorine ihlukaniswe yaba izinhlangothi ezimbili eziqukethe i-fluorine (njenge-TPT, i-KPK, njll.) nohlangothi olulodwa oluqukethe i-fluorine (njenge-TPE, i-KPE, njll.); I-backplane engena-fluorine yenziwa ngokuhlanganisa izingqimba eziningi ze-PET adhesive. Njengamanje, impilo yesevisi yemodyuli yebhethri iyadingeka ukuba ibe yiminyaka engama-25, futhi i-backplane, njengento yokupakisha ye-photovoltaic ethintana ngqo nemvelo yangaphandle, kufanele ibe nokuphikiswa okuhle kakhulu kokuguga kwesikhathi eside (ukushisa okumanzi, ukushisa okomile, i-ultraviolet. ), ukumelana nokufakwa kukagesi, umgoqo womhwamuko wamanzi nezinye izakhiwo. Ngakho-ke, uma ifilimu ye-backplane ingakwazi ukuhlangabezana nokuhlolwa kwemvelo kwengxenye yebhethri iminyaka engu-25 mayelana nokumelana nokuguga, ukumelana nokushisa, nokumelana nomswakama, ekugcineni kuzoholela ekuthembekeni, ukuzinza nokuqina kweseli yelanga ayikwazi okuqinisekisiwe. Yenza imodyuli yebhethri endaweni evamile yesimo sezulu iminyaka eyi-8 kuye kweyi-10 noma ezimeni ezikhethekile zemvelo (ithafa, isiqhingi, indawo eyixhaphozi) ngaphansi kokusetshenziswa kweminyaka emi-5 kuye kweyisi-8 kuzovela i-delamination, ukuqhekeka, ukugwebu, ukuphuzi nezinye izimo ezimbi, okuholela kumojuli yebhethri iyawa, ukushelela kwebhethri, ukuncishiswa kwamandla okukhiphayo okuphumelelayo kwebhethri nezinye izinto; Okuyingozi kakhulu ukuthi ingxenye yebhethri izosebenza esimweni sevoltheji ephansi kanye nenani lamanje, okubangele ingxenye yebhethri ukuthi ivuthe futhi ikhuthaze umlilo, okuholela ekulimaleni kokuphepha kwabasebenzi kanye nokulimala kwempahla.

5. Uhlaka lwe-Aluminium

Impahla yefreyimu yeimojuli yebhethri ikakhulukazi i-aluminium alloy, kodwa futhi nensimbi engagqwali nepulasitiki eqinisiwe. Imisebenzi eyinhloko yohlaka lokufakwa kwengxenye yebhethri yilezi: okokuqala, ukuvikela unqenqema lwengilazi yengxenye ngemuva kokulahlwa; Okwesibili ukuhlanganiswa konqenqema lwe-silicone ukuqinisa ukusebenza kokuvala kwengxenye; Okwesithathu ukuthuthukisa kakhulu amandla omshini wemojuli yebhethri; Okwesine ukwenza kube lula ukuthuthwa nokufakwa kwezingxenye zebhethri. Ukuthi imojuli yebhethri ifakwe ngokuhlukene noma yakhiwe ngohlelo lwe-photovoltaic, kufanele ihlanganiswe nobakaki wemojuli yebhethri ngohlaka. Ngokuvamile, izimbobo zimbozwa engxenyeni efanele yefreyimu, futhi ingxenye ehambisanayo yokusekelwa nayo ibhoboziwe, bese uxhumano lulungiswa ngama-bolts, futhi ingxenye iphinde ilungiswe ibhulokhi ekhethekile yokucindezela.

6. Ibhokisi lokuhlangana

Ibhokisi lokuhlangana liyingxenye exhumanisa ulayini ophumayo wangaphakathi wengxenye yebhethri nolayini wangaphandle. Amabhasi ama-positive kanye nama-negative (ama-interconnect bar abanzi) adonswa kuphaneli afaka ibhokisi le-junction, ipulaki noma i-solder endaweni ehambisanayo ebhokisini lokuhlangana, kanti imikhondo yangaphandle nayo ixhunywe nebhokisi lokuhlangana ngokuxhuma, ukushisela kanye ne-screw crimping. Ibhokisi lokuhlangana liphinde lihlinzekwe ngendawo yokufaka ye-bypass diode noma i-bypass diode ifakwe ngokuqondile ukuze inikeze ukuvikeleka kokudlula ezingxenyeni zebhethri. Ngokungeziwe kule misebenzi engenhla, ibhokisi lokuhlangana kufanele futhi lehlise ukusetshenziswa kwalo kwamandla okukhipha ingxenye yebhethri, linciphise umthelela wokushisisa kwalo ekuguquleni kahle kwengxenye yebhethri, futhi lenze ukuphepha nokwethembeka kwebhethri. ingxenye.

7. Ibha yokuxhumanisa

I-interconnect bar ibizwa nangokuthi umucu wethusi ohlanganiswe ngothayela, umucu ohlanganiswe ngothayela, futhi ibha yokuxhuma ebanzi ibizwa nangokuthi ibha yebhasi. Kungumkhondo okhethekile wokuxhuma ibhethri ebhethri ekuhlanganiseni kwebhethri. Isekelwe emgqeni wethusi ohlanzekile, futhi ingaphezulu le-copper strip lihlanganiswe ngokulinganayo ngesendlalelo se-solder. I-Copper strip iqukethe ithusi elingama-99.99% ithusi elingenawo umoya-mpilo noma ithusi, izingxenye zokumboza i-solder zihlukaniswa zibe isolder eholayo kanye ne-lead-free solder ezimbili, i-solder single-side coating ukujiya kwe-0.01 ~ 0.05mm, indawo yokuncibilika engu-160 ~ 230 ℃, idinga ukunamathiswa okufanayo, indawo ekhanyayo, ebushelelezi. Imininingwane ye-interconnect bar ingaphezu kwezinhlobo ezingama-20 ngokuya ngobubanzi nokuqina kwayo, ububanzi bungaba ukusuka ku-0.08mm kuye ku-30mm, kanti ukushuba kungaba kusuka ku-0.04mm kuye ku-0.8mm.

8. Ijeli ye-silica ephilayo

Injoloba ye-Silicone iwuhlobo lwempahla eqinile enesakhiwo esikhethekile, enokumelana okuhle nokuguga, ukumelana nokushisa okuphezulu nokuphansi, ukumelana ne-ultraviolet, i-anti-oxidation, i-anti-impact, i-anti-fouling ne-waterproof, ukufakwa okuphezulu; Isetshenziselwa kakhulu ukuvala uhlaka lwezingxenye zebhethri, ukubopha kanye nokuvala amabhokisi okuhlangana kanye nezingxenye zebhethri, ukuthululwa nokufaka amabhokisi okuhlangana, njll. Ngemva kokwelapha, i-organic silicone izokwakha umzimba wenjoloba onamandla amakhulu, ono ikhono lokukhubazeka ngaphansi kwesenzo samandla angaphandle, futhi ibuyela esimweni sokuqala ngemva kokususwa ngamandla angaphandle. Ngakho-ke, i-Imodeli ye-PVivalwe nge-silicone ephilayo, ezoba nemisebenzi yokuvala, i-buffering nokuvikela.