I roto i te ao hangarau photovoltaic e tere whanake ana, ko te HJT (Heterojunction) me te TOPCon (Tunnel Oxide Passivated Contact) ngā kaupapa matua o te umanga. Heoi, nā te whakaurunga mai o ngā rauemi perovskite, kei te arohia te HJT i honoa ki te perovskite mō ōna painga ahurei, ā, ka noho hei kaupapa wera i roto i te umanga pūngao rā. Ka tūhuratia e tēnei tuhinga ngā painga o te HJT i honoa ki te perovskite ki runga ake i te TOPCon, me pēhea hoki te hanga a tēnei huinga i te heke mai o te hangarau photovoltaic.
1. Whakataki ki te Hangarau HJT
E mōhiotia ana te HJT mō tōna pai o te hurihanga hiko whakaahua me te mahi tino pai i roto i ngā āhuatanga mārama iti. Ka hangaia he hononga heterojunction mā te whakarārangi i tētahi kiriata angiangi silicon amorphous ki runga i tētahi papa silicon tioata, ka whakaiti i te whakakotahitanga o te mata me te whakarei ake i te ngaohiko ara iahiko tuwhera me te iahiko ara iahiko poto o te pūtau.
2. Ngā Wero ki te Hangarau TOPCon
Ka tutuki i a TOPCon te whakakorenga o te mata mā te whakamahi i tētahi paparanga waikura me tētahi paparanga silicon polycrystalline ki te mata o te pūtau, ka whakaiti i ngā ngaronga whakakotahitanga. Heoi, ko te whakatutuki i te pai ake o te mahi me TOPCon he wero kei mua, tae atu ki ngā tukanga uaua, te whakahaere utu, me te uaua o ngā whakapainga pai ake.
3. Te Tūranga o ngā Rauemi Perovskite
He tino pai ngā rauemi perovskite mō te whakanui ake i te pai o te pūtau rā nā te mea he nui te tauwehenga mimiti, he ngāwari te whakarerekē i te āputa roopu, ā, he ngāwari hoki te tukatuka i te otinga. Mā te whakakotahi i te perovskite me te hangarau HJT, ka taea te whakamahi i te pai o te HJT me te whakarei ake anō mā roto i ngā āhuatanga mimiti whānui o te perovskite.
4. Ngā Painga o te HJT i Whakakotahitia ki te Perovskite
a. Te Pai o te Whaihua o te Whakawhitinga Whakaahua-Hiko:Mā te tāpiri o te perovskite ka whānui ake te urupare ā-ira o ngā pūtau HJT, ka piki ake te maha o ngā kaikawe whakaahua. Ko ngā pūtau HJT, me te rohe whai huatanga ariā o te 27.5%, kua hipa kē i ngā hangarau PV tuku iho. Ko te hanganga heterojunction, e whakawhiti ana i ngā paparanga silicon amorphous me te crystalline, ka whakanui ake i te mimiti mārama, ka whakapai ake i te whai huatanga o te huringa pūngao.
b. Te Pūmautanga Pai Ake:Ehara i te mea he pai ake te mahi a ngā pūtau HJT engari he pumau hoki. Ka mau tonu te pai ake o te mahi a te hanganga tandem HJT-perovskite i raro i te whakamahinga roa, he rerekē ki te TOPCon-perovskite, ahakoa he iti ake ngā utu whakaputa, he uaua ki te whakataurite i te pai o te mahi ki a HJT.
c. Tukanga Hanganga Whakamāmā:Mā te āhua tukatuka-whakaoti o ngā rauemi perovskite ka whakaitihia ngā utu hanga, he mea nui mō te whakaiti i te utu hiko kua whakatauritea (LCOE). He painga hanga anō hoki tō ngā pūtau HJT, mā te whakamahi i te whakatakotoranga kohu matū pāmahana-iti (CVD) hei whakatakotoranga i ngā paparanga silicon amorphous, ā, muri iho ko te waikura kawe mārama (TCO) me ngā paparanga silicon amorphous momo-p, momo-n rānei. Mā tēnei tukanga māmā ake ka whakaitihia ngā utu, ka whakapai ake hoki i ngā reiti hua ki te whakataurite ki te tukanga whakamahana pāmahana-tiketike a TOPCon, e whakanui ana i ngā utu hanga me te rerekētanga o te kounga.
d. Te Hanganga Ātaahua ki te Taiao:He pai ake te tukanga hanga o ngā rauemi perovskite ki te taiao, nā te mea kāore he huānga paitini, he huānga onge rānei e whakamahia ana. Kāore i rite ki ētahi rauemi PV e hiahia ana ki ngā huānga morearea pēnei i te mata, te cadmium rānei, kāore he paitini o ngā perovskite, ā, ka whakaitihia ngā mōrearea taiao me te hauora. Hei tāpiri, kāore ngā perovskite e whakawhirinaki ki ngā huānga onge, ā, ka taea e te tangohanga te kino ki te taiao. He iti ake te kaha e pau ana i tā rātou hanga, ā, ka iti ake ngā tukunga waro.
Hei whakamutunga, ko te whakakotahitanga o te HJT me te perovskite he huarahi whai hua mō ngā whanaketanga photovoltaic a meake nei, me ōna painga ki te whai huatanga, te pumau, te whai huatanga utu, me te pumau o te taiao e hira ake ana i te TOPCon i roto i ngā āhuatanga maha.
