Masana kimiyyar Sipaniya daga Cibiyar Kimiyya da Fasaha ta Kayan Aiki (ICMS) da ke Seville ci gaba Wani nau'in ƙwayar hasken rana mai kama da ta hade da perovskite, wanda ke da ikon canza hasken rana da kuma kuzarin digo-digo da ke faɗuwa zuwa wutar lantarki a lokaci guda. Fasahar ta haɗa tasirin photovoltaic na gargajiya don hasken rana tare da tasirin triboelectric don digo-digo. Ainihin, mafita ce ta dukkan yanayi.
Babban ra'ayin yana da sauƙi: ƙirƙirar na'ura mai aiki da yawa wadda ke aiki yadda ya kamata a yanayin yanayi mai canzawa, musamman a yankunan da ake yawan samun ruwan sama. Tsarin tantanin halitta yana amfani da layin perovskite don samar da makamashin rana, wanda aka ɗora da siririn layin polymer mai fluorinated na CFₓ, wanda ke da wasu muhimman halaye: babban bayyananne (sama da 90%), hydrophobicity, da kuma ikon samar da makamashin triboelectric.
Wannan Layer na kariya, wanda aka ajiye a zafin ɗaki a cikin injin feshi ta amfani da feshin plasma, yana kare perovskite mai laushi daga danshi yayin da a lokaci guda yana barin kuzari ya tara daga tasirin ɗigon ruwan sama. Lokacin da ɗigon ruwan sama ya bugi saman wani wuri ya cire, hulɗa da rabewar caji suna faruwa tsakanin kayan, suna haifar da bugun lantarki.
Gwaje-gwajen samfura sun nuna ingancin hasken rana na 17,9%. Bangaren triboelectric na na'urar ya nuna aiki mai ban sha'awa: ƙarfin lantarki na buɗewa har zuwa 110 V a kowace digo da kuma matsakaicin yawan wutar lantarki na kimanin 4 mW/m². A yanayin haɗin gwiwa, a rabin hasken rana (500 W/m²), an sami yawan wutar lantarki na ɗan gajeren lokaci na 11,6 mA/m², kuma ƙarfin wutar lantarki daga digo ya kai 12 V. Masu binciken sun kuma ƙirƙiri mai nuna inda ƙwayar haɗin gwiwa ta caji wani supercapacitor kuma ta kunna tsiri na LED ta hanyar mai canza wutar lantarki.
Wannan ci gaban, wanda ayyukan 3DScavengers da Drop Ener suka gudanar tare da tallafin Majalisar Bincike ta Turai da Asusun Jiha na Gaba suka samar, ya buɗe ƙofa ga ƙarin na'urorin hasken rana masu amfani da yawa. Duk da cewa hasken rana har yanzu yana samar da babban tushen wutar lantarki, ƙarin makamashi daga ruwan sama yana hanzarta cajin baturi a cikin yanayi mai gajimare. Duk da haka, haɓaka fasahar fiye da samfuran dakin gwaje-gwaje ya kasance ƙalubale kuma yana buƙatar ƙarin bincike.
source:
source: 3dnews.ru
