Kodi ndi ukadaulo uti womwe ukutchuka kwambiri mu photovoltaics m'zaka zaposachedwapa?
Ukadaulo Wodula Waya wa Daimondi
Njira yodulira zinthu zopangidwa ndi silicon ya kristalo imayimira gawo lalikulu la ndalama zomwe sizili za silicon mumakampani opanga ma PV. Kudula waya wa diamondi ndi njira yatsopano yodulira yomwe imagwiritsa ntchito waya wokutidwa ndi diamondi kudula ma wafer a silicon mwachangu kwambiri. Poyerekeza ndi kudula kwachikhalidwe kwa slurry, waya wa diamondi ndi wotsika mtengo kwambiri. Pakadali pano, silicon ya monocrystalline yagwiritsa ntchito ukadaulo uwu mokwanira, ndipo kusintha kuchoka pa slurry kupita ku waya wa diamondi wa silicon ya multicrystalline kukuchulukirachulukira.
Maselo a PERC (Passivated Emitter ndi Ukadaulo wa Maselo Akumbuyo)
Kusiyana kwakukulu kwa maselo a PERC ndi gawo la passivation kumbuyo, lomwe limachepetsa kubwerezabwereza kwa ma elekitironi ndikuwonjezera kuwala. Pofika kumapeto kwa chaka cha 2018, mphamvu yopanga maselo a PERC padziko lonse lapansi inali pafupifupi 70GW, ndipo kutulutsa kwapachaka kunapitirira 55GW. Akuyembekezeka kuti pofika chaka cha 2019, mphamvu ya PERC padziko lonse lapansi idzafika pa 100GW, ndikusunga malo ake olamulira pazinthu zogwiritsa ntchito mphamvu ya dzuwa.
Ukadaulo wa "Waya wa Daimondi + Silikoni Wakuda"
Ukadaulo wa silicon wakuda umathandiza kuyamwa kwa kuwala ndikuwonjezera magwiridwe antchito a maselo mwa kuchepetsa kuwunikira pamwamba kudzera mu njira zina zopangira mawonekedwe. Ukadaulo wa silicon wakuda wouma umapereka phindu lalikulu kwambiri pakugwira ntchito koma umafuna ndalama zambiri. Silicon wakuda wonyowa, wokhala ndi ndalama zochepa, umapereka mphamvu yogwira ntchito ya 0.3%-0.5% ndipo ukukoka.
Ukadaulo wa Maselo Awiri
Maselo a bifacial ndi chitukuko chachikulu m'zaka zaposachedwa. Maselo amenewa amatenga kuwala kuchokera mbali zonse ziwiri, zomwe zimapangitsa kuti mphamvu ziwonjezeke ndi 10%-25% kutengera momwe zinthu zilili. Kupanga maselo a bifacial a mtundu wa N kwakhala kukukulirakulira m'zaka zaposachedwa.
Ukadaulo wa MBB (Multi-Busbar)
Ukadaulo uwu umagwiritsa ntchito mabasi 12, kukonza kusonkhanitsa kwa magetsi, kuchepetsa kutayika kwa mkati, komanso kuchepetsa mthunzi, zomwe zimawonjezera mphamvu ya module ndi osachepera 5W. Umachepetsanso mwayi wokhala ndi ming'alu yaying'ono komanso umathandizira magwiridwe antchito ngakhale pakachitika kuwonongeka pang'ono.
Ukadaulo wa Ma Cell Okhala ndi Shingled
Ma module a ma cell opindika amagwiritsa ntchito ma cell odulidwa olumikizidwa bwino pamodzi, zomwe zimapangitsa kuti ma cell ena 13% azikhala m'dera lomwelo. Kapangidwe kameneka kamachotsa kufunika kwa ma riboni osokedwa, kuchepetsa kutayika kwa mphamvu yolimbana ndi zinthu komanso kuwonjezera mphamvu yotulutsa.
Ukadaulo wa Maselo Odulidwa Hafu
Maselo odulidwa theka amachepetsa kutayika kwa magetsi ndikuwonjezera mphamvu yotulutsa mphamvu ndi pafupifupi 10W poyerekeza ndi ma module a full cell. Kuphatikiza apo, ma module odulidwa theka amakhala ozizira, ndipo kutentha kwa hotspot kumakhala kochepera 25°C kuposa ma cell a full cell.
