Fraunhofer ISE ea Jeremane e sebelisa theknoloji ea eona ea khatiso ea FlexTrail ho metallization e tobileng ea lisele tsa letsatsi tsa silicon heterojunction.E bolela hore theknoloji e fokotsa tšebeliso ea silevera ha e ntse e boloka boemo bo phahameng ba ho sebetsa hantle.
Bafuputsi ba Fraunhofer Institute for Solar Energy Systems (ISE) Jeremane ba thehile mokhoa o bitsoang "FlexTrail Printing," mokhoa oa ho hatisa lisele tsa letsatsi tsa silicon heterojunction (SHJ) tse thehiloeng ho nanoparticles ea silevera ntle le busbar.Mokhoa oa ho roala li-electrode ka pele.
"Hona joale re ntse re hlahisa sehlooho sa khatiso sa FlexTrail se tšoanang se ka sebetsanang le lisele tsa letsatsi tse sebetsang hantle ka potlako, ka botšepehi le ka nepo," mofuputsi Jörg Schube o ile a bolella pv."Kaha tšebeliso ea mokelikeli e tlaase haholo, re lebeletse hore tharollo ea photovoltaic e be le phello e ntle ho litšenyehelo le phello ea tikoloho."
Khatiso ea FlexTrail e lumella tšebeliso e nepahetseng ea lisebelisoa tsa li-viscosity tse fapaneng tse nang le bophara bo nepahetseng haholo ba sebopeho.
"Ho bonts'itsoe hore e fana ka tšebeliso e nepahetseng ea silevera, ho kopana ha likamano, le tšebeliso e tlaase ea silevera," bo-rasaense ba boletse."E boetse e na le monyetla oa ho fokotsa linako tsa potoloho seleng ka 'ngoe ka lebaka la bonolo le botsitso ba ts'ebetso, ka hona e reretsoe phetisetso ea nako e tlang ho tsoa lab."ho ea femeng”.
Mokhoa ona o kenyelletsa tšebeliso ea capillary e tšesaane haholo e tenyetsehang ea khalase e tlatsitsoeng ka mokelikeli ka khatello ea sepakapaka ho fihla ho 11 bar.Nakong ea ts'ebetso ea khatiso, capillary e kopana le substrate 'me e tsamaea e sa khaotse ho eona.
"Ho feto-fetoha ha maemo le ho feto-fetoha ha li-capillaries tsa khalase ho lumella ho sebetsa ho sa senyeheng," bo-rasaense ba boletse, ba hlokomela hore mokhoa ona o boetse o lumella mehaho e kobehileng hore e hatisoe."Ho feta moo, e leka-lekanya ho fokotseha ho ka khonehang ha setsi."
Sehlopha sa bafuputsi se ile sa etsa li-module tsa betri ea sele e le 'ngoe e sebelisa SmartWire Connection Technology (SWCT), theknoloji ea ho hokahanya ka lithapo tse ngata e thehiloeng holim'a lithapo tsa koporo tse nang le mocheso o tlaase oa solder.
"Ka tloaelo, lithapo li kopantsoe ka har'a foil ea polymer 'me li hokahanngoa le lisele tsa letsatsi li sebelisa mochine o itekanetseng oa terata.Manonyeletso a solder a thehoa ts'ebetsong e latelang ea lamination ka mocheso oa mocheso o lumellanang le li-heterojunctions tsa silicon," bafuputsi ba re.
Ba sebelisa capillary e le 'ngoe, ba ne ba lula ba hatisa menoana ea bona, e leng se ileng sa fella ka mela e sebetsang e thehiloeng ho silevera e nang le boholo ba 9 µm.Ka mor'a moo ba ile ba haha ​​​​lisele tsa letsatsi tsa SHJ ka katleho ea 22.8% ho li-wafers tsa M2 'me ba sebelisa lisele tsena ho etsa 200mm x 200mm li-module tsa sele e le' ngoe.
Phanele e fihletse katleho ea phetolo ea matla ea 19.67%, motlakase oa potoloho o bulehileng oa 731.5 mV, potoloho e khuts'oane ea 8.83 A, le potoloho ea mosebetsi ea 74.4%.Ha ho bapisoa, mochine oa boitsebiso o hatisitsoeng skrineng o na le katleho ea 20.78%, motlakase oa potoloho o bulehileng oa 733.5 mV, nako e khutšoanyane ea 8.91 A, le potoloho ea mosebetsi oa 77.7%.
"FlexTrail e na le melemo ho feta likhatiso tsa inkjet mabapi le ts'ebetso ea ho fetolela hantle.Ho phaella moo, e na le monyetla oa ho ba bonolo 'me ka hona ho na le chelete e ngata ho sebetsana le eona, kaha monoana o mong le o mong o hloka ho hatisoa hanngoe feela,' me ho phaella moo, tšebeliso ea silevera e fokotseha.tlase, bafuputsi ba re, ba phaella ka hore ho fokotseha ha silevera ho hakanngoa hore ho pota-potile karolo ea 68 lekholong.
Ba hlahisa seo ba se fumaneng pampiring e reng "Direct Low Silver Consumption FlexTrail Metallization for Heterojunction Silicon Solar Cells: Ho lekola Ts'ebetso ea Lisele Tsa Letsatsi le Li-Module" e sa tsoa hatisoa koranteng ea Energy Technology.
"E le ho bula tsela bakeng sa tšebeliso ea indasteri ea khatiso ea FlexTrail, hona joale ho ntse ho etsoa hlooho ea khatiso e tšoanang," ho phethela rasaense."Haufinyane, e reretsoe ho e sebelisa eseng feela bakeng sa metallization ea SHD, empa le bakeng sa lisele tsa letsatsi tse tandem, joalo ka perovskite-silicon tandem."
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