Fraunhofer ISE ku Germany ikugwiritsa ntchito ukadaulo wake wosindikizira wa FlexTrail pakupanga zitsulo mwachindunji za silicon heterojunction solar cell.Imanena kuti ukadaulo umachepetsa kugwiritsa ntchito siliva ndikusunga magwiridwe antchito apamwamba.
Ofufuza a Fraunhofer Institute for Solar Energy Systems (ISE) ku Germany apanga njira yotchedwa "FlexTrail Printing," njira yosindikizira ma cell a silicon heterojunction (SHJ) otengera ma nanoparticles a siliva opanda basi.Front electrode plating njira.
"Pakadali pano tikupanga chosindikizira chofananira cha FlexTrail chomwe chimatha kukonza ma cell a dzuwa mwachangu, modalirika komanso molondola," wofufuza Jörg Schube adauza pv."Popeza kuti kumwa kwamadzi kumakhala kochepa kwambiri, tikuyembekeza kuti njira ya photovoltaic ikhale ndi zotsatira zabwino pa mtengo ndi chilengedwe."
Kusindikiza kwa FlexTrail kumalola kugwiritsa ntchito molondola zida za ma viscosity osiyanasiyana okhala ndi makulidwe olondola kwambiri.
"Zawonetsedwa kuti zimapereka kugwiritsa ntchito bwino siliva, kuyanjana, komanso kugwiritsa ntchito siliva," adatero asayansi."Ilinso ndi kuthekera kochepetsa nthawi yozungulira pa selo iliyonse chifukwa cha kuphweka komanso kukhazikika kwa ndondomekoyi, chifukwa chake imayenera kusamutsidwa mtsogolo kuchokera ku labu."ku fakitale".
Njirayi imaphatikizapo kugwiritsa ntchito kapilari kakang'ono kakang'ono kakang'ono kakang'ono ka galasi kodzaza ndi madzi mumlengalenga mpaka 11 bar.Panthawi yosindikiza, capillary imakhudzana ndi gawo lapansi ndipo imayenda mosalekeza.
"Kusinthasintha komanso kusinthasintha kwa ma capillaries agalasi kumapangitsa kuti pakhale kusawononga," adatero asayansi, pozindikira kuti njirayi imalolanso kuti zida zopindika zisindikizidwe."Kuphatikiza apo, imalinganiza kugwedezeka kwa maziko."
Gulu lofufuzira linapanga ma module a batri a cell imodzi pogwiritsa ntchito SmartWire Connection Technology (SWCT), teknoloji yolumikizira mawaya ambiri yotengera mawaya amkuwa otsika kwambiri opangidwa ndi solder.
"Nthawi zambiri, mawayawa amaphatikizidwa muzojambula za polima ndikulumikizidwa ndi ma cell a dzuwa pogwiritsa ntchito waya wojambula.Malumikizidwe a solder amapangidwa munjira yotsatizana ndi kutentha komwe kumayenderana ndi ma silicon heterojunctions, "ofufuzawo akutero.
Pogwiritsa ntchito capillary imodzi, amasindikiza zala zawo mosalekeza, zomwe zimapangitsa kuti mizere yogwiritsira ntchito siliva ikhale ndi mawonekedwe a 9 µm.Kenako adapanga ma cell a solar a SHJ okhala ndi mphamvu ya 22.8% pa zowotcha za M2 ndipo adagwiritsa ntchito ma cellwa kupanga ma module a cell 200mm x 200mm.
Gululi lidapeza mphamvu yosinthira mphamvu ya 19.67%, voliyumu yotseguka ya 731.5 mV, njira yayifupi ya 8.83 A, ndi kuzungulira kwa 74.4%.Poyerekeza, gawo lofotokozera lomwe lasindikizidwa pazenera lili ndi mphamvu ya 20.78%, voliyumu yotseguka ya 733.5 mV, nthawi yayitali ya 8.91 A, ndi kuzungulira kwa 77.7%.
"FlexTrail ili ndi maubwino kuposa osindikiza a inkjet pakusintha bwino.Kuonjezera apo, ili ndi ubwino wokhala wosavuta komanso wokwera mtengo kwambiri, popeza chala chilichonse chimangofunika kusindikizidwa kamodzi, komanso, kugwiritsa ntchito siliva kumakhala kochepa.m'munsi, ofufuzawo adanena, ndikuwonjezera kuti kuchepa kwa siliva kumakhala pafupifupi 68 peresenti.
Amapereka zomwe apeza mu pepala lotchedwa "Direct Low Silver Consumption FlexTrail Metallization for Heterojunction Silicon Solar Cells: Kuwunika Magwiridwe a Maselo a Dzuwa ndi Ma modules" posachedwapa lofalitsidwa m'magazini ya Energy Technology.
"Pofuna kukonza njira yogwiritsira ntchito mafakitale a FlexTrail kusindikiza, mutu wosindikizira wofanana ukupangidwa," akumaliza motero wasayansi."Posachedwapa, akukonzekera kuti azigwiritsa ntchito osati zitsulo za SHD zokha, komanso ma cell a solar tandem, monga perovskite-silicon tandem."
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