Ngaphakathi komkhakha wamandla avuselelekayo okhula ngokushesha, amandla elanga angenye yezixazululo ezithembisayo kakhulu zokulwa nokushintsha kwesimo sezulu kanye nokunciphisa ukuthembela kumafutha emvelo. Enhliziyweni yobuchwepheshe bamaphaneli elanga kukhona ingxenye ebalulekile, evame ukunganakwa: ifilimu ye-ethylene vinyl acetate (EVA). Le nto eguquguqukayo idlala indima ebalulekile ekusebenzeni kahle, ukuqina, kanye nokusebenza kahle kwamaphaneli elanga, okwenza kube yitshe lesisekelo lobuchwepheshe belanga.
Ifilimu ye-EVAiyi-polymer ye-thermoplastic esetshenziswa kakhulu ekwakhiweni kwamaphaneli elanga. Umsebenzi wayo oyinhloko ukufaka amaseli e-photovoltaic (PV), ukuwavikela ezicini zemvelo ezifana nomswakama, uthuli, kanye nokucindezeleka kwemishini. Le nqubo yokufaka amaphaneli ibalulekile njengoba iqinisekisa ukuhlala isikhathi eside nokuthembeka kwamaphaneli elanga, ngokuvamile aklanyelwe ukuhlala iminyaka engama-25 noma ngaphezulu. Ngaphandle kwefilimu ye-EVA, amaseli e-PV abuthakathaka angavezwa ezintweni, okuholela ekuwohlokeni kokusebenza kanye nokwehla kokukhishwa kwamandla.
Inzuzo eyinhloko yefilimu ye-EVA isezicini zayo ezivelele zokukhanya. Ukucaca kwayo okumangalisayo kukhulisa ukumuncwa kwelanga okufinyelela kumaseli elanga. Lesi sici sibalulekile ekuthuthukiseni ukusebenza kahle kwamaphaneli elanga, njengoba ngisho nokwehla okuncane kokudluliselwa kokukhanya kungathinta kakhulu ukukhiqizwa kwamandla. Ngaphezu kwalokho, inkomba ephansi yokukhanya kwefilimu ye-EVA inciphisa ukukhanya, okwenza kube ngcono kakhulu ukuguqulwa kwamandla elanga abe ugesi.
Ifilimu ye-EVA idume ngezakhiwo zayo eziyingqayizivele zokunamathela. Inamathela kahle ezintweni ezahlukahlukene, okuhlanganisa ingilazi ne-silicon, iqinisekisa ukuvalwa okuqinile nokuqinile okuzungeze amaseli elanga. Lokhu kunamathela kubalulekile ekuvimbeleni ukungena komswakama, okungaholela ekugqwaleni nakwezinye izinhlobo zomonakalo. Ifilimu ye-EVA igcina ubuqotho bayo ngokuhamba kwesikhathi, ngisho nasezimweni zezulu ezimbi kakhulu, okubonisa ukubaluleka kwayo kubuchwepheshe bephaneli yelanga.
Esinye isici esibalulekile sefilimu ye-EVA ukuzinza kwayo ekushiseni. Amaphaneli elanga avame ukuchayeka emazingeni okushisa aphezulu, futhi izinto ezisetshenziswa ekwakhiweni kwawo kumele zikwazi ukumelana nalezi zimo ngaphandle kokuphazamisa ukusebenza kahle. Ukumelana okuhle kokushisa kwefilimu ye-EVA kuqinisekisa ukuthi amaseli e-photovoltaic ahlanganisiwe ahlala evikelwe futhi esebenza kahle, ngisho nasezimweni ezishisa kakhulu. Lesi sici siwusizo kakhulu ekufakweni kwelanga ezindaweni ezinemisebe yelanga ephezulu kanye namathuba okushisa aphezulu.
Ngaphandle kwezakhiwo zayo zokuvikela, ifilimu ye-EVA ithuthukisa ubuhle obuphelele bamaphaneli elanga. Ifilimu esobala inikeza amaphaneli elanga ukubukeka okuhle nokunesimanje, okwenza akhange kakhulu emakhaya nasemabhizinisini. Njengoba isidingo samandla elanga siqhubeka sikhula, ukubonakala kobuchwepheshe belanga kuya ngokuya kuba yinto ebaluleke kakhulu ekukhuthazeni ukwamukelwa kwayo.
Njengoba imboni yelanga iqhubeka nokusungula izinto ezintsha, ifilimu ye-EVA isalokhu ibalulekile. Abacwaningi bahlola izindlela ezintsha zokuthuthukisa ukusebenza kwayo, njengokuthuthukisa ukumelana ne-UV nokunciphisa umthelela wayo emvelweni. Lokhu kuthuthuka kuzoqinisekisa ukuthi ifilimu ye-EVA iyaqhubeka nokuhlangabezana nezidingo ezishintshayo zobuchwepheshe belanga futhi inikele ekuguqukeleni komhlaba wonke emandleni aqhubekayo.
Ngokufigqiwe,Ifilimu ye-EVAAkungabazeki ukuthi iyitshe lesisekelo lobuchwepheshe bamaphaneli elanga. Izakhiwo zayo ezinhle kakhulu zokuvikela, zokukhanya, zokunamathela, nezokushisa zenza kube yingxenye ebalulekile ekukhiqizeni amaphaneli elanga asebenza kahle futhi ahlala isikhathi eside. Njengoba umhlaba uguqukela ezixazululweni zamandla avuselelekayo, ukubaluleka kwefilimu ye-EVA ekuthuthukiseni ubuchwepheshe belanga akunakuphikiswana. Idlala indima ebalulekile ekuqinisekiseni ukuthi amaphaneli elanga ahlala isikhathi eside futhi asebenza kahle, okuzoqhubeka nokuqhuba ukuphishekela kwethu ikusasa elihlanzekile nelizinzile.
Isikhathi sokuthunyelwe: Septhemba-26-2025