Likarolo tsa mantlha tsa Photovoltaic Modules le Lisebelisoa tse tala

1. Lisele tsa silicon ka li-module tsa photovoltaic

Silicon cell substrate material ke P-mofuta monocrystalline silicon kapa polysilicon, ka thepa e khethehileng ea ho itšeha monocrystalline silicon kapa polysilicon silicon rod e khaola ka botenya ba ka bang 180μm silicon, ebe ka letoto la mekhoa ea ho sebetsa ho hlahisa.

a. Lisele tsa silicon ke lisebelisoa tsa mantlha likarolong tsa betri, lisele tsa silicon tse tšoanelehang li lokela ho ba le litšobotsi tse latelang

1.E na le ts'ebetso e tsitsitseng le e sebetsang ea ho fetola photoelectric le ho tšepahala ho phahameng.

Theknoloji ea 2.Advanced diffusion e sebelisoa ho netefatsa ho ts'oana ha ts'ebetso ea phetoho ho pholletsa le filimi.

3.Theknoloji e tsoetseng pele ea ho etsa filimi ea PECVD e sebelisetsoa ho roala holim'a betri ka filimi e lefifi ea silicon nitride anti-reflection, e le hore 'mala o tšoane hantle le o motle.

4.Sebelisa boleng ba boleng bo phahameng ba silevera le silevera ea tšepe ea tšepe ea aluminium ho etsa li-electrode tsa morao-rao le li-electrode tsa liheke ho netefatsa hore ho na le conductivity e ntle ea motlakase, ho khomarela ho ka tšeptjoang le ho cheseha hantle ha electrode.

5.High precision screen printing graphics and high flatness, ho etsa hore betri e be bonolo ho othomathike welding le laser cutting.

b. Phapang pakeng tsa silicon ea monocrystalline le lisele tsa polycrystalline silicon

Ka lebaka la phapang ea ts'ebetso ea pele ea tlhahiso ea lisele tsa silicon tsa monocrystalline le lisele tsa silicon tsa polycrystalline, li na le phapang e itseng ho tloha ponahalong ho ea ho ts'ebetso ea motlakase. Ho ea ka pono ea ponahalo, likhutlo tse 'nè tsa sele ea monocrystalline silicon ke li-arc tse sieo,' me ha ho na mohlala holim'a metsi; Likhutlo tse 'nè tsa sele ea polycrystalline silicon ke likhutlo tse lisekoere,' me bokaholimo bo na le mohlala o tšoanang le lipalesa tsa leqhoa. 'Mala o kaholimo oa sele ea monocrystalline silicon hangata ke o moputsoa o motšo,' me 'mala o kaholimo oa sele ea polycrystalline silicon hangata o putsoa.

2. Panel khalase

Khalase ea phanele e sebelisoang keModule oa photovoltaic ke tšepe e tlase e bosoeu bo bosoeu kapa khalase e boreleli. Botenya bo akaretsang ke 3.2mm le 4mm, mme khalase e halefileng ea botenya ba 5 ~ 10mm ka linako tse ling e sebelisoa bakeng sa likarolo tsa betri ea thepa ea moaho. Ho sa tsotelehe botenya, phetisetso e hlokahala hore e be kaholimo ho 91%, bolelele ba maqhubu a spectral reaction ke 320 ~ 1100nm, 'me leseli la infrared le fetang 1200nm le na le ponahalo e phahameng.

Bosoeu ba tšepe bo tlase bo bolela hore likarolo tsa tšepe tsa khalase ena li tlase ho feta tsa khalase e tloaelehileng, 'me karolo ea tšepe (iron oxide) e ka tlase ho 150ppm, ka hona e eketsa phetiso ea khanya ea khalase. Ka nako e ts'oanang, ho tloha moeling oa khalase, khalase ena e boetse e tšoeu ho feta khalase e tloaelehileng, e tala ho tloha moeling.

3. filimi ea EVA

EVA filimi ke copolymer ea ethylene le vinyl acetate grease, ke thermosetting filimi chesang qhibiliha sekhomaretsi, bao e seng sekgomaretsi mocheso kamoreng, ka mor'a hore maemo a itseng a ho tobetsa chesang tla etsahala qhibiliha bonding le crosslinking pheko, e be pepeneneng ka ho feletseng, ke hona joale.mochine oa motlakase oa letsatsi ho phuthela tshebediso e tlwaelehileng ya disebediswa tsa ho tlama. Likarolo tse peli tsa filimi ea EVA li kenyelletsoa kopanong ea lisele tsa letsatsi, 'me likarolo tse peli tsa filimi ea EVA li entsoe ka sandwiczed pakeng tsa khalase ea khalase, letlapa la betri le filimi ea morao ea TPT ho kopanya khalase, letlapa la betri le TPT hammoho. E ka ntlafatsa phetisetso ea khanya ea khalase ka mor'a ho tlamahanngoa le khalase, ea phetha karolo ea ho thibela ho bonahatsa, 'me ea ba le phello ea phaello ho matla a motlakase oa mochine oa betri.

4. Lintho tse ka morao

Ho ipapisitse le litlhoko tsa likarolo tsa betri, lisebelisoa tsa backplane li ka khethoa ka mekhoa e fapaneng. Ka kakaretso ho na le likhalase tse futhumetseng, plexiglass, alloy ea aluminium, filimi e kopantsoeng ea TPT joalo-joalo. Khalase e halefileng e sebelisoa ka ho khetheha bakeng sa tlhahiso ea lisebelisoa tsa mohaho tse nang le mahlakore a mabeli a nang le mahlakore a mabeli a mofuta oa betri, bakeng sa marako a likharetene tsa photovoltaic, marulelo a photovoltaic, joalo-joalo, theko e phahameng, boima ba karolo e boetse e le khōlō. Ho feta moo, e sebelisoang haholo ke lera la motsoako oa TPT. Boholo ba likoahelo tse tšoeu tse atisang ho bonoa ka morao ho lisebelisoa tsa betri ke lifilimi tse joalo tse nang le likarolo tse ngata. Ho latela litlhoko tsa tšebeliso ea karolo ea betri, lera la mokokotlo le ka khethoa ka mekhoa e fapaneng. Lera la mokokotlo le arotsoe haholo ka mekhahlelo e 'meli: sefofane se nang le fluorine le sefofane se se nang fluorine. The backplane e nang le fluorine e arotsoe ka mahlakoreng a mabeli a nang le fluorine (joaloka TPT, KPK, joalo-joalo) le lehlakoreng le leng le nang le fluorine (joaloka TPE, KPE, joalo-joalo); Semela se ka morao se se nang fluorine se entsoe ka ho kopanya likarolo tse ngata tsa sekhomaretsi sa PET. Hona joale, bophelo ba tšebeletso ea mochine oa betri bo hlokeha ho ba lilemo tse 25, 'me sefofane se ka morao, e le thepa ea ho paka ea photovoltaic e amanang ka ho toba le tikoloho ea ka ntle, e lokela ho ba le khanyetso e babatsehang ea nako e telele ea botsofali (mocheso o metsi, mocheso o omileng, ultraviolet). ), ho hanyetsa motlakase oa motlakase, thibelo ea mouoane oa metsi le thepa e meng. Ka hona, haeba filimi ea backplane e sa khone ho kopana le teko ea tikoloho ea karolo ea betri bakeng sa lilemo tse 25 mabapi le ho hanyetsa botsofali, ho hanyetsa ho kenya letsoho, le ho hanyetsa mongobo, qetellong e tla lebisa ho tšepahala, botsitso le ho tšoarella ha sele ea letsatsi e ke keng ea e-ba teng. tiisitsoe. Etsa mochine oa betri sebakeng se tloaelehileng sa boemo ba leholimo bakeng sa lilemo tse 8 ho isa ho tse 10 kapa maemong a khethehileng a tikoloho (sehlabeng, sehlekehlekeng, mobung o mongobo) tlas'a ts'ebeliso ea lilemo tse 5 ho isa ho tse 8 ho tla hlaha delamination, cracking, foaming, yellowing le maemo a mang a mabe. moduteng oa betri o oa, ho thella ha betri, phokotso ea matla a betri e sebetsang hantle le liketsahalo tse ling; Ntho e kotsi le ho feta ke hore karolo ea betri e tla arc tabeng ea matla a tlaase le boleng ba hona joale, ho etsa hore karolo ea betri e chese le ho khothalletsa mollo, e leng se bakang tšenyo ea ts'ireletso ea basebetsi le tšenyo ea thepa.

5. Aluminium foreimi

Thepa ea foreimi eamodule ea betri haholo-holo ke motsoako oa aluminium, empa hape le tšepe e sa hloekang le polasetiki e matlafalitsoeng. Mesebetsi e ka sehloohong ea foreimi ea karolo ea betri ke: pele, ho sireletsa moeli oa khalase ea karolo ka mor'a ho lamination; Ea bobeli ke motsoako oa silicone bohale ho matlafatsa ts'ebetso ea ho tiisa karolo; Ea boraro ke ho ntlafatsa haholo matla a kakaretso a mochini oa mojule oa betri; Ea bone ke ho thusa ho tsamaisa le ho kenya likarolo tsa betri. Hore na module ea betri e kentsoe ka thoko kapa e entsoe ka sehlopha sa photovoltaic, e tlameha ho ts'oaroa ka bracket ea module ea betri ka foreimi. Ka kakaretso, likoti li phunyeletsoa karolong e loketseng ea foreimi, 'me karolo e ts'oanang ea ts'ehetso e boetse e phunyeletsoa, ​​​​'me joale khokahanyo e lokisoa ka li-bolts,' me karolo e boetse e behiloe ke thibela e khethehileng ea khatiso.

6. Lebokose la mateano

Lebokose la mateano ke karolo e hokahanyang mohala oa ka hare oa karolo ea betri ho ea ka ntle. Li-busbars tse ntle le tse mpe (li-interconnectbar tse pharaletseng) tse huloang ho tloha phanele li kenya lebokose la mateano, plug kapa solder sebakeng se lumellanang le lebokose la mateano, 'me li-lead tsa ka ntle li boetse li hokahane le lebokose la mateano ka ho plugging, welding le screw crimping. Lebokose la matekoane le boetse le fanoa ka boemo ba ho kenyeletsoa ha "bypass diode" kapa "bypass diode" e kentsoe ka kotloloho ho fana ka tšireletso ea bypass bakeng sa likarolo tsa betri. Ntle le ts'ebetso e kaholimo, lebokose la matekoane le lona le lokela ho fokotsa ts'ebeliso ea lona ea matla a hlahisoang ke karolo ea betri, le fokotsa tšusumetso ea ho futhumatsa ha lona ts'ebetsong ea phetoho ea karolo ea betri, le ho eketsa polokeho le ts'epahalo ea betri. karolo.

7. Khokahanyo bar

The interconnect bar e boetse e bitsoa tin-coated copper strip, tin-coated strip, le interconnect bar e pharaletseng e boetse e bitsoa bar ea libese. Ke tataiso e khethehileng bakeng sa ho hokela betri ho betri kopanong ea betri. E thehiloe holim'a lesela le hloekileng la koporo, 'me holim'a lesela la koporo le koahetsoe ka ho lekana ka lera la solder. Copper strip ke dikahare tsa koporo tsa 99.99% koporo e se nang oksijene kapa koporo, likarolo tsa ho roala ka solder li arotsoe ka solder e nang le lead le solder e se nang lead tse peli, botenya ba lehlakoreng le le leng la 0.01 ~ 0.05mm, ntlha e qhibilihang ea 160 ~ 230 ℃, e hlokang ho roala junifomo, bokaholimo bo khanyang, bo boreleli. Litlhaloso tsa "interconnect bar" li na le mefuta e fetang 20 ho ea ka bophara le botenya ba tsona, bophara bo ka tloha ho 0.08mm ho isa ho 30mm, 'me botenya bo ka tloha ho 0.04mm ho ea ho 0.8mm.

8. Gelisi ea silika ea tlhaho

Rabara ea silicone ke mofuta oa thepa ea sealant e nang le sebopeho se khethehileng, se nang le khanyetso e ntle ea botsofali, ho hanyetsa mocheso o phahameng le o tlaase, ho hanyetsa mahlaseli a kotsi, ho thibela oxidation, anti-impact, anti-fouling le ho se kenelle metsi, ho pata metsi a mangata; Haholo-holo e sebelisetsoa ho tiisa foreimi ea likarolo tsa betri, ho tlama le ho tiisa mabokose a mateano le likarolo tsa betri, ho tšela le ho tšela mabokose a mateano, joalo-joalo Ka mor'a ho phekola, silicone ea organic e tla theha 'mele oa rabara o matla o phahameng, o nang le bokhoni ba ho holofala tlas'a ketso ea matla a kantle, le ho khutlela sebopehong sa pele ka mor'a ho tlosoa ka matla a kantle. Ka hona, theSetšoantšo sa PVe tiisitsoe ka silicone ea organic, e tla ba le mesebetsi ea ho tiisa, ho thibela le ho sireletsa.