Ma Photovoltaic Modules 'Primary Components ndi Raw Materials

1. Maselo a silicon mu ma modules a photovoltaic

Silicon cell gawo lapansi zakuthupi ndi P-mtundu monocrystalline pakachitsulo kapena polysilicon, izo kupyolera mwapadera kudula zida monocrystalline pakachitsulo kapena polysilicon pakachitsulo ndodo kudula mu makulidwe za 180μm pakachitsulo, ndiyeno kudzera mndandanda wa ndondomeko processing kupanga.

a. Ma cell a silicon ndiye zida zazikulu zama batri, ma cell a silicon oyenerera ayenera kukhala ndi izi

1.Ili ndi mphamvu yokhazikika komanso yothandiza ya photoelectric komanso kudalirika kwakukulu.

Ukadaulo wa 2.Advanced diffusion umagwiritsidwa ntchito kuti zitsimikizire kufanana kwa kutembenuka mtima mufilimu yonse.

3.Tekinoloje yapamwamba yopanga filimu ya PECVD imagwiritsidwa ntchito kuvala pamwamba pa batri ndi filimu yakuda yabuluu ya silicon nitride anti-reflection, kuti mtunduwo ukhale wofanana komanso wokongola.

4.Gwiritsani ntchito phala lachitsulo lasiliva ndi siliva la aluminiyamu kuti mupange maelekitirodi amtundu wammbuyo ndi pachipata kuti mutsimikizire kuyendetsa bwino kwa magetsi, kumamatira odalirika komanso kutsekemera kwa electrode.

5.High mwatsatanetsatane chophimba kusindikiza zithunzi ndi flatness mkulu, kupanga batire mosavuta kuwotcherera basi ndi laser kudula.

b. Kusiyana pakati pa silicon ya monocrystalline ndi ma cell a polycrystalline silicon

Chifukwa cha kusiyana koyambirira kopangira ma cell a monocrystalline silicon ndi ma cell a polycrystalline silicon, amasiyana pang'ono ndi mawonekedwe mpaka magwiridwe antchito amagetsi. Kuchokera pamawonekedwe, ngodya zinayi za selo ya silicon ya monocrystalline ndi arc yosowa ngodya, ndipo palibe chitsanzo pamwamba; Makona anayi a cellcrystalline silicon cell ndi masikweya ngodya, ndipo pamwamba pake amakhala ndi mawonekedwe ofanana ndi maluwa oundana. Mtundu wapamwamba wa cell ya monocrystalline silikoni nthawi zambiri umakhala wakuda wabuluu, ndipo mtundu wamtundu wa polycrystalline silicon cell nthawi zambiri umakhala wabuluu.

2. galasi galasi

Magalasi ogwiritsidwa ntchito ndiPhotovoltaic module ndi chitsulo chochepa chachitsulo choyera kwambiri kapena magalasi osalala. Makulidwe ambiri ndi 3.2mm ndi 4mm, ndipo galasi lotentha la 5 ~ 10mm makulidwe nthawi zina amagwiritsidwa ntchito pomanga zida za batri. Mosasamala za makulidwe, ma transmittance amafunikira kukhala pamwamba pa 91%, kutalika kwa mawonekedwe a spectral ndi 320 ~ 1100nm, ndipo kuwala kwa infrared kuposa 1200nm kumakhala ndi kuwunikira kwakukulu.

Chitsulo chochepa kwambiri choyera chimatanthawuza kuti chitsulo cha galasi ili ndi chochepa kusiyana ndi galasi wamba, ndipo chitsulo (iron oxide) chimakhala chochepera 150ppm, motero kumawonjezera kuwala kwa galasi. Pa nthawi yomweyi, kuchokera m'mphepete mwa galasi, galasi ili ndi loyera kuposa galasi wamba, lomwe ndi lobiriwira kuchokera m'mphepete.

3. filimu ya EVA

EVA filimu ndi copolymer wa ethylene ndi vinilu acetate mafuta, ndi thermosetting filimu otentha Sungunulani zomatira, sanali zomatira kutentha firiji, pambuyo zinthu zina kutentha kukanikiza zidzachitika Sungunulani kugwirizana ndi crosslinking machiritso, kukhala mandala, ndi panopa.solar panel module kulongedza mu ntchito wamba zomangira zipangizo. Magawo awiri a filimu ya EVA amawonjezedwa ku msonkhano wa selo la dzuwa, ndipo zigawo ziwiri za filimu ya EVA zimasakanizidwa pakati pa galasi la galasi, pepala la batri ndi filimu ya kumbuyo ya TPT kuti imangirire galasi, pepala la batri ndi TPT pamodzi. Ikhoza kupititsa patsogolo kuwala kwa galasi mutatha kugwirizanitsa ndi galasi, imagwira ntchito yotsutsa-kuwonetsetsa, ndikukhala ndi phindu pa mphamvu ya batri.

4. Zinthu zakumbuyo

Kutengera ndi zofunikira za batri, zinthu zakumbuyo zimatha kusankhidwa m'njira zosiyanasiyana. Nthawi zambiri amakhala ndi galasi lotentha, plexiglass, aluminiyamu aloyi, TPT filimu yophatikizika ndi zina zotero. Magalasi opumira kumbuyo amagwiritsidwa ntchito kwambiri popanga ma module a batri owoneka bwino okhala ndi mbali ziwiri, makoma otchinga a photovoltaic, madenga a photovoltaic, etc. Kuphatikiza apo, omwe amagwiritsidwa ntchito kwambiri ndi nembanemba ya TPT. Zophimba zoyera zambiri zomwe zimawonedwa kumbuyo kwa zigawo za batri ndi mafilimu ophatikizika. Kutengera zofunikira pakugwiritsa ntchito batire, nembanemba yakumbuyo imatha kusankhidwa m'njira zosiyanasiyana. Nembanemba yam'mbuyo imagawidwa m'magulu awiri: ndege yokhala ndi fluorine komanso ndege yopanda fulorojeni. The backplane yokhala ndi fluorine imagawidwa m'mbali ziwiri zomwe zili ndi fluorine (monga TPT, KPK, etc.) ndi mbali imodzi yomwe ili ndi fluorine (monga TPE, KPE, etc.); Chombo chakumbuyo chopanda fluorine chimapangidwa pomanga zigawo zingapo za zomatira za PET. Pakalipano, moyo wautumiki wa gawo la batri uyenera kukhala zaka 25, ndi backplane, monga photovoltaic ma CD zinthu zomwe zimagwirizanitsidwa ndi chilengedwe chakunja, ziyenera kukhala ndi nthawi yabwino yokalamba kukana (kutentha konyowa, kutentha kouma, ultraviolet). ), kukana kwamagetsi amagetsi, chotchinga cha nthunzi yamadzi ndi zinthu zina. Choncho, ngati backplane filimu sangathe kukumana mayesero chilengedwe cha batire chigawo kwa zaka 25 mawu a kukana ukalamba, kutchinjiriza kukana, ndi kukana chinyezi, izo potsirizira pake adzatsogolera kudalirika, bata ndi durability wa selo dzuwa sangakhale. wotsimikizika. Pangani gawo la batri m'malo wamba anyengo kwa zaka 8 mpaka 10 kapena m'malo apadera (malo otsetsereka, chilumba, madambo) pogwiritsa ntchito zaka 5 mpaka 8 zidzawoneka delamination, ming'alu, thovu, chikasu ndi zinthu zina zoyipa, chifukwa chake. mu gawo la batri likugwa, kutsika kwa batri, kuchepetsa mphamvu ya batri ndi zochitika zina; Choopsa kwambiri ndi chakuti gawo la batri lidzagwedezeka pakakhala kuchepa kwa magetsi ndi mtengo wamakono, zomwe zimapangitsa kuti chigawo cha batri chiwotche ndi kulimbikitsa moto, zomwe zimapangitsa kuwonongeka kwa chitetezo cha ogwira ntchito ndi kuwonongeka kwa katundu.

5. Aluminiyamu chimango

The chimango zinthu zabatire module makamaka aluminium aloyi, komanso chitsulo chosapanga dzimbiri ndi pulasitiki yolimba. Ntchito yaikulu ya batire chigawo unsembe chimango ndi: choyamba, kuteteza galasi m'mphepete mwa chigawo pambuyo lamination; Chachiwiri ndi kuphatikiza kwa silikoni m'mphepete kulimbikitsa ntchito yosindikiza ya chigawocho; Chachitatu ndikuwongolera kwambiri mphamvu yamakina a module ya batri; Chachinayi ndikuthandizira kuyendetsa ndi kukhazikitsa zigawo za batri. Kaya gawo la batri layikidwa padera kapena lopangidwa ndi photovoltaic array, liyenera kukhazikitsidwa ndi mabatani a module ya batri kupyolera mu chimango. Nthawi zambiri, mabowo amabowoleredwa mu gawo loyenera la chimango, ndipo gawo lothandizira limabowoleredwanso, ndiyeno kulumikizana kumakhazikitsidwa ndi mabawuti, ndipo chigawocho chimakhazikitsidwanso ndi chipika chapadera.

6. Bokosi lolowera

Bokosi lolumikizana ndi gawo lomwe limagwirizanitsa mzere wotuluka mkati mwa gawo la batri kupita ku mzere wakunja. Ma busbars abwino ndi oipa (mipiringidzo yotalikirapo) yotengedwa kuchokera pagululo imalowa m'bokosi lolumikizirana, pulagi kapena solder kumalo ofananirako mubokosi lolumikizirana, ndipo zotsogola zakunja zimalumikizidwanso ndi bokosi lolumikizirana ndi plugging, kuwotcherera ndi screw crimping. Bokosi lolumikizana limaperekedwanso ndi malo oyikapo diode yodutsa kapena bypass diode imayikidwa mwachindunji kuti ipereke chitetezo chodutsa pazigawo za batri. Kuphatikiza pa ntchito zomwe tafotokozazi, bokosi lolumikizira liyeneranso kuchepetsa kugwiritsa ntchito mphamvu yake yotulutsa mphamvu ya batri, kuchepetsa kukhudzidwa kwa kutentha kwake pakusintha bwino kwa gawo la batri, ndikukulitsa chitetezo ndi kudalirika kwa batri. gawo.

7. Cholumikizira bar

The interconnect bar imatchedwanso tin-coated copper strip, tin-coated strip, ndipo cholumikizira chachikulu chimatchedwanso bar. Ndilo chitsogozo chapadera cholumikiza batri ku batri mu msonkhano wa batri. Zimatengera chingwe chamkuwa choyera, ndipo pamwamba pa chingwe cha mkuwa chimakutidwa mofanana ndi wosanjikiza wa solder. Copper Mzere ndi mkuwa zili 99.99% mpweya wopanda mkuwa kapena mkuwa, solder ❖ kuyanika zigawo zikuluzikulu amagawidwa leaded solder ndi lead-free solder awiri, solder single-mbali ℃ ℃ makulidwe 0.01 ~ 0.05mm, kusungunuka 160 ~ 230 ℃, kufuna ❖ kuyanika yunifolomu, pamwamba owala, yosalala. Mafotokozedwe a bar interconnect ndi mitundu yoposa 20 malinga ndi m'lifupi ndi makulidwe awo, m'lifupi akhoza kukhala kuchokera 0.08mm kuti 30mm, ndi makulidwe akhoza kuchokera 0.04mm kuti 0.8mm.

8. Gelisi ya silika yachilengedwe

Rabara ya silicone ndi mtundu wa zinthu zosindikizira zomwe zimakhala ndi mawonekedwe apadera, zokhala ndi kukalamba bwino, kukana kutentha kwambiri ndi kutsika, kukana kwa ultraviolet, anti-oxidation, anti-impact, anti-fouling ndi madzi, kutsekemera kwakukulu; Amagwiritsidwa ntchito makamaka kusindikiza chimango cha zigawo za batri, kulumikiza ndi kusindikiza mabokosi ophatikizira ndi zigawo za batri, kuthira ndi kuyika mabokosi ophatikizira, ndi zina zotero. Pambuyo pochiritsa, silikoni ya organic imapanga thupi lapamwamba la mphira lamphamvu, lomwe lili ndi kutha kupunduka pansi pa mphamvu yakunja, ndikubwerera ku mawonekedwe apachiyambi atachotsedwa ndi mphamvu yakunja. Chifukwa chake, aChithunzi cha PVndi losindikizidwa ndi organic silikoni, amene adzakhala ndi ntchito yosindikiza, buffering ndi chitetezo.