Kamar yadda muka sani, makamashin hasken rana shine babban tushen makamashin haske. Fuskokin siliki na iya canza haske zuwa wutar lantarki, kuma batir lithium na tandem na gargajiya na iya yin hakan yadda ya kamata ta hanyar ɗaukar ƙarin tsawon tsawon haske.

Ba wai kawai ba, masu bincike sun gane cewa ta yin amfani da tsarin tsarin dual-jeri, sabon tsarin ne wanda ke amfani da siliki na al’ada da kuma wani nau’i na peroxide wanda aka yi da “jerin” hade da sababbin tsarin, wanda zai iya tattara karin makamashi da kuma samar da makamashi. kama Haske mai yawa da batattu, haskakawa da warwatsawa daga ƙasa (wanda ake kira “albedo”) don ƙara haɓaka halin yanzu na sel na hasken rana.

A ranar 11 ga Janairu, 2021, Ƙungiyar Haɗin kai ta Duniya, ciki har da masu bincike daga Jami’ar Kimiyya da Fasaha ta Sarki Abdullah (KAUST) da UT School of Engineering) sun buga labarin mai suna “High Efficiency Based on Band Gap Engineering” a cikin mujallar Natural Energy. Peroxide/Biyu Monocrystalline Silicon Solar Cell” (EfficientbifacialmonolithicperovskitePaper/Silicontandemsolarcellsviabandgapineering) labarin.

Wannan takarda ta zayyana tsarin ƙungiyar gaba ɗaya na kerawa peroxide/silicon na’urorin don wuce iyakokin aiki da aka karɓa a halin yanzu na jeri-jeri.

Membobin ƙungiyar sun kammala wannan bincike tare. Daga cikin su, Dr. Michele DeBastiani ya gabatar da ra’ayin bincike kuma ya yi na’urar tare da alessandro j. Mirabelli.

Jami’ar Toronto na lantarki da injiniyan kwamfuta na postdoctoral takwarorinsu YiHou, Bin Chen da Anand S. Subbiah sun haɓaka ratar bandungiyar peroxide, yayin da Erkan Aydin da Furkan H. Isikgor suka haɓaka babban hulɗar tandem da shimfidawa.

Ƙarshen wannan binciken shine cewa monolithic peroxide / silicon tandem solar cell yana amfani da albedo haske mai yaduwa a cikin yanayi, kuma aikin ya fi na tantanin halitta na peroxide / silicon tandem solar cell. Ƙungiyar binciken ta fara ba da rahoton sakamakon gwajin waje. A ƙarƙashin hasken rana AM ​​1.5g guda ɗaya, ingantaccen ikon jujjuya ƙarfin juzu’i biyu ya wuce 25%, kuma ƙarfin ƙarfin ƙarfin ya kai 26 mwcm-2.

A lokaci guda, masu binciken sun yi nazarin ratar bandungiyar peroxide da ake buƙata don daidaitawa mafi kyau na yanzu a ƙarƙashin haske daban-daban na ainihin haske da yanayin albedo, idan aka kwatanta da halayen waɗannan ginshiƙai masu gefe biyu da aka fallasa su zuwa albedo daban-daban, kuma sun ba da kwatance tsakanin sakamakon ƙididdigewa biyu na makamashi. samarwa a wuri mai yanayi daban-daban.

A ƙarshe, ƙungiyar ta kwatanta wuraren gwaje-gwaje na waje tare da igiyoyi masu gefe guda ɗaya da biyu na peroxidase / silicon don nuna ƙarin ƙimar tandem duality zuwa wurare tare da ainihin albedo masu dacewa.

Babban jikin sabon tandem hasken rana tantanin halitta ya ƙunshi Layer silicon da Layer peroxide. A lokaci guda, an haɗa su tare da wasu mahadi masu yawa. Farfesa Stefan DeWolf ya ce. “Babban kalubalen shi ne sarkakiyar na’urar tandem. Akwai abubuwa 14 da abin ya shafa, kuma kowane abu dole ne a inganta shi da kyau don la’akari da tasirin albedo. “

In ji Dokta Michele DeBastiani, marubucin marubucin binciken. “Ta hanyar amfani da albedo, yanzu za mu iya samar da igiyoyi mafi girma fiye da membranes na gargajiya na gargajiya ba tare da wani karuwar farashin masana’antu ba.” Marubutan binciken sun hada da Farfesa Ted Sargent da mai bincike na digiri na biyu YiHou a Sashen Lantarki da Injiniyan Kwamfuta a Jami’ar Toronto.

ya gudanar da bincike kan yuwuwar kama hasken rana kai tsaye a baya, amma bai gudanar da gwaje-gwajen gwaji ba. Baya ga Jami’ar Injiniya da Fasaha, masu bincike a Jami’ar Kimiyya da Fasaha ta Sarki Abdullah (KAUST) sun kuma yi hadin gwiwa tare da masu hadin gwiwa daga Cibiyar Fasaha ta Karlsruhe da Jami’ar Bologna don warware ilimin kimiyyar da ake bukata don hada hasken rana kai tsaye cikin karfin girbin makamashi. na modules da kalubalen aikin injiniya.

Bayan haka, a ƙarƙashin yanayin waje, sun gwada ƙwayoyin tandem mai fuska biyu kuma sun sami inganci wanda ya zarce duk wani nau’in hasken rana na silicon na kasuwanci.

Kwayoyin hasken rana na silicon guda biyu suna haɓaka da sauri a cikin kasuwar PHOTOVOLTAIC saboda suna iya samar da ingantaccen aikin 20% na dangi. Yin amfani da wannan hanya a cikin peroxide / silane zai iya zama mafi tasiri fiye da siliki na gargajiya na rana. Kuma zai iya rage farashin albarkatun kasa.” Farfesa Stefan DeWolf ya kammala. DeWolf da abokan aikinsa sun haɓaka wannan fasaha tare da haɗin gwiwar ƙungiyoyi a Kanada, Jamus, da Italiya.

A cikin ƙarshen takarda, masu bincike sun tabbatar ta hanyar gwaje-gwajen yadda za a yi amfani da fasalin gefe guda biyu don inganta aikin dukan tsarin peroxide / silicon. Saboda amfani da kunkuntar band peroxide rata, na’urar Tsarin tare da m baya electrodes dogara ga albedo don ƙara halin yanzu ƙarni na kasa cell kuma a lokaci guda ƙara halin yanzu ƙarni na saman peroxide cell.

Ana samun wannan madaidaicin don peroxides tare da ratar band na 1.59-1.62 eV. Idan aka kwatanta da nau’in peroxide / silicon mai gefe guda ɗaya, abun cikin bromine shine mafi ƙanƙanta, don haka kwanciyar hankali da ke da alaƙa da rarrabuwar halide yana raguwa sosai. matsala. Tawagar ta kimanta aikin tsarin tandem mai gefe biyu a cikin gwaje-gwajen filin, kuma sun yi hasashen fitar da makamashi na tsarin tandem mai gefe biyu da guda ɗaya a ƙarƙashin yanayi daban-daban.

A cikin lokuta biyu, tandem ya fi kyau fiye da tsarin gefe guda, wanda ke nuna alkawarin wannan fasaha. Wannan aikin yana nuna yuwuwar sabon nau’in ƙwararrun ƙwayoyin hasken rana waɗanda za su iya amfani da fasaha mai ƙarfi amma ƙarancin farashi don rufe rata tare da shingen 30mwcm-2PGD.

Daga nan, ƙarin haɓaka aikin kayan aiki da faɗaɗa ma’aunin fasaha sune matakai masu ma’ana na gaba don kawo wannan fasaha kusa da kasuwar hotovoltaic.

Farfesa Christophe Ballif, darektan dakin gwaje-gwaje na Photovoltaic na Cibiyar Fasaha ta Tarayya a Lausanne, Switzerland, bai shiga cikin wannan binciken ba. Yace. “Wannan takarda ta ba da tabbataccen shaidar gwaji ta farko don na’urar tandem mai gefe biyu. Ƙididdigar ƙididdiga na ayyukan da masu binciken suka ruwaito yana da matukar muhimmanci don kafa ingantaccen kayan aikin da ake buƙata don wannan fasaha don shiga kasuwa mai yawa.”