Nove tehnologije
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| Autor Leo Jerki? |
| Ponedjeljak, 20 Prosinac 2010 23:01 |
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Istraživa?ki tim sa Japanskog sveu?ilišta Gifu je uspio razviti prozirne solarne ?elije koje bi se mogle koristiti unutar ku?e i koje imaju maksimalnu efikasnost od 2 posto. Ova razina efikasnosti je vrlo dobra za solarne ?elije tog tipa, te otvara nove mogu?nosti u korištenju solarnih ?elija unutar ku?a i ureda, gdje bi ih se moglo staviti na prozore ili druge površine, te bi se ambijentalno svjetlo moglo koristiti kao izvor energije. Ova nova ?elija spada u dye-sentisized solarne ?elije koje koriste tvar koja apsorbira skoro infracrveno svjetlo. Da bi se takva solarna ?elija napravila, pigmentna tvar se spaja na tanki sloj cink-oksida kojim je premazan stakleni supstrat. Cijela struktura se onda prekriva sa transparentnim organskim elektroliti?kim materijalom.
Takva solarna ?elija apsorbira svjetlo valnih duljina od 760 do 1.000 nanometera te pretvara svjetlosnu energiju u elektri?nu energiju sa efikasnoš?u od 0,6 do 2 posto. Sveu?ilišni tim vjeruje da bi efikasnost mogla porasti do ?etiri posto, i planira sura?ivati sa proizvo?a?ima poluvodi?a kako bi razvili bolji pigment i pove?ali trajnost gotove solarne ?elije. Izvor: www.electroiq.com |
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