What are the differences between front-contact and back-contact photovoltaic cells?
Understanding the Core Distinction At the most fundamental level, the difference between front-contact and back-contact photovoltaic cells comes down to one simple thing: the location of their metallic electrical contacts. In a conventional front-contact cell, a grid of thin silver lines (busbars and fingers) is printed on the sun-facing side to collect electrons. In a …
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