Photovoltaic Modules 'Primary Components uye Raw Materials

1. Silicon masero mu photovoltaic modules

Silicon cell substrate zvinhu ndeye P-mhando monocrystalline silicon kana polysilicon, iyo kuburikidza yakakosha yekucheka michina monocrystalline silicon kana polysilicon silicon tsvimbo yakachekwa kuita ukobvu hunosvika 180μm silicon, uyezve kuburikidza neakatevedzana ekugadzirisa maitiro kugadzira.

a. Silicon masero ndizvo zvinhu zvikuru muzvikamu zvebhatiri, masero esilicon akakodzera anofanirwa kuve neanotevera maitiro

1.Ine yakagadzikana uye inobudirira photoelectric shanduko yekushandura uye yakakwirira kuvimbika.

2.Advanced diffusion tekinoroji inoshandiswa kuve nechokwadi chekufanana kweshanduko inoshanda mufirimu rose.

3.The advanced PECVD film forming technology inoshandiswa kupfekedza pamusoro pebhatiri nerima blue silicon nitride anti-reflection film, kuitira kuti ruvara ruve yunifomu uye runako.

4.Shandisa sirivha yepamusoro uye sirivheri aluminium metal paste kuti uite shure munda uye gedhi mutsara wemagetsi emagetsi kuti ave nechokwadi chekugadzirisa magetsi, kusungirirwa kwakavimbika uye kunaka kwe electrode weldability.

5.High precision screen printing graphics uye high flatness, zvichiita kuti bhatiri rive nyore kune otomatiki welding uye laser cutting.

b. Musiyano uripo pakati pemonocrystalline silicon uye polycrystalline silicon masero

Nekuda kwekusiyana kwekutanga kugadzirwa kwemonocrystalline silicon masero uye polycrystalline silicon masero, vane mimwe misiyano kubva pakuonekwa kusvika pakuita kwemagetsi. Kubva pakuonekwa kwemaonero, makona mana emonocrystalline silicon cell ari arc asipo makona, uye hapana pateni pamusoro; Makona mana epolycrystalline silicon cell ane makona masikweya, uye pamusoro ane pateni yakafanana nemaruva echando. Rudzi rwepamusoro rwemonocrystalline silicon cell kazhinji rutema bhuruu, uye ruvara rwepamusoro rwepolycrystalline silicon cell rinowanzo kuve rebhuruu.

2. Panel girazi

Girazi regirazi rinoshandiswa nephotovoltaic module isimbi yakaderera Ultra-white suede kana girazi rakatsetseka rakapfava. Ukobvu hwakazara ndeye 3.2mm uye 4mm, uye girazi rinodziya re5 ~ 10mm ukobvu dzimwe nguva rinoshandiswa pakuvaka zvinhu zvebhatiri. Pasinei nekukora, iyo transmittance inodiwa kuve pamusoro pe91%, iyo spectral response wavelength renji i320 ~ 1100nm, uye mwenje we infrared wakakura kupfuura 1200nm ine yakanyanya kuratidza.

Yakaderera iron super white zvinoreva kuti iron yemukati megirazi iyi yakadzikira pane yegirazi rakajairwa, uye iyo iron yemukati (iron oxide) iri pasi pe150ppm, nekudaro ichiwedzera mwenje wegirazi. Panguva imwecheteyo, kubva kumucheto kwegirazi, girazi iri zvakare rakachena kupfuura girazi rakajairwa, iro rakasvibirira kubva kumucheto.

3. EVA firimu

EVA firimu icopolymer ye ethylene uye vinyl acetate girisi, iri thermosetting firimu rinopisa rinonyunguduka adhesive, risinganamire pakamuri tembiricha, mushure memamwe mamiriro ekupisa anotsikirira achaitika kunyungudutsa bonding uye crosslinking kurapa, kuve pachena, ndiyo yazvino.Solar panel module kurongedza mukushandiswa kwakajairwa kwezvinhu zvekubatanidza. Matunhu maviri efirimu reEVA anowedzerwa kumusangano wesolar cell, uye iwo maviri akaturikidzana eEVA firimu akaiswa sandwiczed pakati pegirazi repaneru, bhatiri shiti uye TPT backplane firimu kuti ibatanidze girazi, bhatiri shiti uye TPT pamwechete. Inogona kuvandudza mwenje wegirazi mushure mekubatana negirazi, kuita basa muanti-reflection, uye kuve nemhedzisiro yekubuda kwesimba rebhatiri module.

4. Backplane zvinhu

Zvichienderana nezvinodiwa zvezvikamu zvebhatiri, iyo backplane material inogona kusarudzwa nenzira dzakasiyana siyana. Kazhinji vane hasha girazi, plexiglass, aruminiyamu alloy, TPT composite firimu uye zvichingodaro. Girazi regirazi rekumashure rinonyanya kushandiswa kugadzirwa kweaviri-mativi akajeka ekuvaka emhando yebhatiri modules, ye photovoltaic keteni madziro, photovoltaic matenga, nezvimwewo, mutengo wakakwira, chikamu chinorema zvakare. Mukuwedzera, iyo inonyanya kushandiswa ndeye TPT composite membrane. Zvizhinji zvezvifukidzo zvichena zvinowanzoonekwa kuseri kwezvikamu zvebhatiri zvakadai mafirimu akaumbwa. Zvichienderana nezvinodiwa zvekushandisa bhatiri, iyo backplane membrane inogona kusarudzwa nenzira dzakasiyana siyana. Iyo backplane membrane inonyanya kukamurwa kuita mapoka maviri: fluorine-ine backplane uye isina-fluorine-ine backplane. Iyo fluorine-ine backplane yakakamurwa kuita mativi maviri ane fluorine (akadai TPT, KPK, etc.) uye rimwe divi rine fluorine (senge TPE, KPE, etc.); Iyo fluorine-isina backplane inogadzirwa nekubatanidza akawanda akaturikidzana ePET adhesive. Parizvino, hupenyu hwesevhisi yebhatiri module inodiwa kuve makore makumi maviri nemashanu, uye iyo backplane, senge photovoltaic yekurongedza zvinhu yakanangana nekunze kwezvakatipoteredza, inofanirwa kuve neyakanakisa yenguva refu yekuramba kuchembera (kunyorova kupisa, kupisa kwakaoma, ultraviolet. ), magetsi ekudzivirira kudzivirira, mvura vapor barrier uye zvimwe zvinhu. Naizvozvo, kana iyo backplane firimu isingakwanisi kusangana neyedzo yezvakatipoteredza yechikamu chebhatiri kwemakore makumi maviri neshanu maererano nekuchembera kuramba, kudzivirira kwekudzivirira, uye hunyoro kuramba, inozopedzisira yatungamira kune kuvimbika, kugadzikana uye kusimba kwesolar cell haigone kuve. guaranteed. Gadzira iyo bhatiri module munzvimbo yakajairwa yemamiriro ekunze kwe8 kusvika 10 makore kana mune yakakosha mamiriro ezvakatipoteredza (plateau, chitsuwa, wetland) pasi pekushandiswa kwe5 kusvika 8 makore ichaonekwa delamination, kuputika, kupupa, kutsvuka uye mamwe mamiriro akaipa, zvichikonzera. mubhatiri module inodonha, kutsvedza kwebhatiri, bhatiri rinoshanda kuburitsa simba kuderedzwa uye zvimwe zviitiko; Chii chinonyanya kutyisa ndechekuti chikamu chebhatiri chichaita arc kana yakaderera voltage uye kukosha kwazvino, zvichiita kuti chikamu chebhatiri chipise uye kusimudzira moto, zvichikonzera kukuvadzwa kwekuchengetedzwa kwevashandi uye kukuvara kwepfuma.

5. Aluminium frame

Iyo furemu zvinhu zvebhatiri module inonyanya aluminium alloy, asiwo simbi isina tsvina uye yakasimbiswa plastiki. Iwo makuru mabasa ebhatiri chikamu chekuisa furemu ndeaya: kutanga, kuchengetedza girazi pamucheto wechikamu mushure melamination; Chechipiri ndiko kusanganiswa kwesilicone edge kusimbisa kushanda kwekuvhara kwechikamu; Chechitatu ndechekuvandudza zvakanyanya simba remagetsi rebhatiri module; Chechina ndechekufambisa kutakura uye kuisa zvikamu zvebhatiri. Kunyangwe iyo bhatiri module yakaiswa yakaparadzana kana yakaumbwa nephotovoltaic array, inofanirwa kugadziriswa nebhatiri module bracket kuburikidza nefuremu. Kazhinji, maburi anodonhedzwa muchikamu chakakodzera chechimiro, uye chikamu chinoenderana chetsigiro chinodonhedzwawo, uye ipapo chinongedzo chinogadziriswa nemabhoti, uye chikamu chinogadziriswa zvakare neakakosha kudzvanya block.

6. Junction bhokisi

Junction box inhengo inobatanidza mutsara wekubuda kwemukati wechikamu chebhatiri kune wekunze mutsara. Iwo akanaka uye asina kunaka mabhazi (yakafara interconnect mabara) anodhonzwa kubva panhivi pinda mujenji bhokisi, plug kana solder kune inoenderana chinzvimbo mubhokisi rejunction, uye ekunze anotungamira akabatanidzwawo nebhokisi rejunction neplugging, welding uye screw crimping. Iyo junction bhokisi inopiwawo nenzvimbo yekuisa yebypass diode kana iyo bypass diode yakaiswa yakananga kuti ipe bypass dziviriro yezvikamu zvebhatiri. Pamusoro pemabasa ari pamusoro apa, bhokisi rejunction rinofanirawo kuderedza kushandiswa kwayo kwesimba rinobuda rechikamu chebhatiri, kuderedza kukanganiswa kwekudziya kwayo pakushandura kwechikamu chebhatiri, uye kuwedzera kuchengetedzeka uye kuvimbika kwebhatiri. chikamu.

7. Interconnection bar

Iyo interconnect bar inodaidzwa zvakare kuti tin-coated copper strip, tin-coated strip, uye yakafara interconnect bar inonzi zvakare bhawa rebhazi. Iyo yakakosha inotungamira yekubatanidza bhatiri nebhatiri mumusangano webhatiri. Iyo yakavakirwa pamucheka wakachena wemhangura, uye pamusoro pemhangura yemhangura inoputirwa zvakaenzana nedhiza re solder. Copper strip imhangura ye99.99% okisijeni isina mhangura kana mhangura, solder coating zvikamu zvakakamurwa kuita leaded solder uye lead-isina solder mbiri, solder single-side coating ukobvu hwe0.01 ~ 0.05mm, kunyungudika kwe160 ~ 230 ℃, zvinoda kupfekedzwa yunifomu, pevhu rakajeka, rakatsetseka. Madimikira eiyo interconnect bar anodarika marudzi makumi maviri zvichienderana nehupamhi uye ukobvu hwawo, hupamhi hunogona kubva pa0.08mm kusvika 30mm, uye ukobvu hunogona kubva pa0.04mm kusvika 0.8mm.

8. Organic silica gel

Silicone rabha imhando yezvisimbiso zvinhu zvine chimiro chakakosha, ine yakanaka kuchembera kuramba, yakakwirira uye yakaderera tembiricha kuramba, ultraviolet kuramba, anti-oxidation, anti-impact, anti-fouling uye isina mvura, yakakwirira insulation; Inonyanya kushandiswa kuisa chisimbiso chezvikamu zvebhatiri, kusungirirwa uye kuiswa chisimbiso kwejunction mabhokisi uye zvikamu zvebhatiri, kudururira nekuputira mabhokisi ejunction, nezvimwewo. Mushure mekurapa, iyo organic silicone inoumba yakakwirira-simba elastic rubber body, ine kukwanisa kukanganisa pasi pekuita kwesimba rekunze, uye kudzokera kune chimiro chepakutanga mushure mekubviswa nesimba rekunze. Naizvozvo, thePV moduleyakavharwa ne organic silicone, iyo ichava nemabasa ekuisa chisimbiso, kuvhara uye kudzivirira.