بررسی و مقایسه عملکرد نسل‌های مختلف سلول‌های خورشیدی

نوع مقاله : علمی-ترویجی

نویسندگان

1 استادیار، گروه مهندسی شیمی، دانشگه صنعتی ارمیه، ارومیه

2 1- دانشجوی کارشناسی ارشد، گروه مهندسی شیمی، دانشگاه صنعتی ارومیه، ارومیه

3 دانشجوی کارشناسی، گروه مهندسی شیمی، دانشگاه صنعتی ارومیه، ارومیه

چکیده

استفاده از انرژی خورشیدی به عنوان انرژی تجدیدپذیر، یکی از بهترین راه حل های ممکن جهت تامین انرژی مورد نیاز بشر است. در حال حاضر چندین فناوری در ساخت سلول های خورشیدی مورد استفاده قرار می­گیرد. در فناوری نسل اول، سلول­ها بر پایه ویفرهای سیلیکونی با ضخامت 300 تا 400 میکرون ساخته شده و ساختار کریستالی دارند. تکنولوژی نسل دوم و سوم بر اساس لایه نشانی نیمه هادی ها روی بستر های شیشه ای، فلزی و یا پلیمری بوده و در ضخامت های 3 تا 5 میکرون ساخته می شوند. هزینه مواد اولیه در تکنولوژی نسل­های دو و سه پایین­تر از تکنولوژی نسل اول است. همچنین این  سلول­ها از نظر اندازه 100 برابر بزرگتر از اندازه سلول ساخته شده با تکنولوژی نسل اول هستند. البته لازم به ذکر است که بازدهی سلول های نسل اول به دلیل کیفیت بالای مواد از بازدهی سلول های نسل های دیگر بیشتر است. انتظار می رود اختلاف بازده میان سلول های نسل­های مختلف با گذشت زمان کمتر شده و تکنولوژی نسل دوم و سوم جایگزین تکنولوژی نسل اول شوند. در تحقیق حاضر ضمن بررسی کلی ساختارهای این سلول ها، راه های ممکن جهت بهبود عملکرد سلول های خورشیدی مورد مطالعه قرار گرفته است.

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