Me yasa BC Solar Cells ke buƙatar manne mai rufe baya?

Asirin Bayan Manne a Kan Ƙwayoyin BC

Ƙwayoyin hasken rana na yau da kullun yawanci ba sa buƙatar manne yayin walda. Don haka me yasa ƙwayar BC ke da wannan ƙarin matakin manne?

Gaskiya ya danganta ne kawai da tsarinsa na musamman. BC na nufin Back Contact Cell. Ainihin, duka madaidaitan da marasa kyau suna a bayan ƙwayar. Yanzu ya zama mai ma'ana, ko? Manne mai rufe wutar lantarki yana nan don hana madaidaitan da marasa kyau su haɗu da juna da haifar da gazawar lantarki. Babu shakka, dole ne a shafa wannan manne. Hakanan yana buƙatar isasshen faɗi don rufe faɗin ribbon ɗin walda gaba ɗaya.

A yanzu, masana'antar tana sarrafa wannan tsarin mannewa ta hanyoyi biyu. Na farko, mai kera cell zai iya shafa shi kafin aikawa. Wannan yana amfani da mannewa wanda ya cika sosai wanda ke daɗe a ajiya. Na biyu, masana'antar module na iya ƙara kayan aikin mannewa zuwa layin samarwa. Suna siyan BC cells marasa cikakkiya kuma suna shafa mannewa marar cikakkiya domin yana tafiya kai tsaye zuwa haɗin module.

Domin fasahar BC ba ita ce babbar hanyar da aka fi amfani da ita ba tukuna, kuma manyan kamfanoni kamar LONGi da Aiko ba safai suke sayar da cikakkiyar A-grade BC cells a kasuwa ba, muna ganin ƙwararrun masana'antun mannewa na ɓangare na uku suna fitowa.

Duba Kusa da Tsarin Haɗin Interleaved

Mutane da yawa suna tunanin bayan BC cell kawai ya raba manyan busbars masu kyau da marasa kyau. Abin da suke rasa shi ne cewa layukan siraran a kwance (fingers) suma suna haɗe da sassan masu kyau da marasa kyau, kamar yadda zane ya nuna a ƙasa.

Misalin BC Cell na Gaskiya

Ina da BC cell a nan, don haka bari mu duba shi tare. Kana iya ganin abubuwa biyu a fili: ainihin wurin mannewar insulating, da kuma yadda negative fingers ke tattara wutar lantarki zuwa negative main busbar yayin da positive fingers ke yin haka ga positive busbar.

Idan ka tsallake mannen insulating a nan, ribbon ɗin soldering zai taɓa duka sandunan biyu a lokacin aikin tabber stringer kuma ya lalata duka abin.

Ra'ayin Ooitech

Yin aiki da BC cells yana canza wasan gaba ɗaya ga layukan haɗa modules saboda waɗannan back contacts masu haɗe-haɗe ba su bar wurin kuskure ba a soldering. Muna ganin ƙarin masana'antun modules suna haɗa injinan manne na musamman kafin tabber stringer don sarrafa semi-finished cells da sarrafa farashin samarwa na kansu. Haɓaka zuwa fasahar xBC yana nufin kayan aikin ka na buƙatar daidaito mai tsanani don guje wa haɗarin lantarki. Kana iya ganin yadda layukan samar da hasken rana na zamani ke sarrafa waɗannan matakan ƙera na musamman ta hanyar duba tashar mu ta YouTube a www.youtube.com/ooitech.