The main differences between poly-crystalline, mono-crystalline, and mono-PERC half-cut solar panels are their manufacturing process, efficiency, and performance.
Poly-crystalline solar panels: Poly-crystalline solar panels are made from multiple silicon crystals. They are produced by melting raw silicon and pouring it into molds to create ingots, which are then sliced into wafers. The process is less expensive than mono-crystalline manufacturing and results in lower efficiency solar panels.
Mono-crystalline solar panels: Mono-crystalline solar panels are made from a single silicon crystal. They are produced by cutting a cylindrical ingot into thin wafers. The manufacturing process is more expensive than poly-crystalline and results in higher efficiency solar panels.
Mono-PERC half-cut solar panels: Mono-PERC (Passivated Emitter and Rear Cell) half-cut solar panels are a variation of mono-crystalline solar panels. They have a higher efficiency and power output than traditional mono-crystalline panels due to their design. They have a Passivated Emitter layer on the front side, which reduces recombination losses and increases the efficiency of the cell. They also have a rear cell design that improves the collection of light and reduces shading losses. Additionally, they are cut into half-cells, which reduces resistive losses and improves overall efficiency.
In summary, poly-crystalline solar panels are less expensive but have lower efficiency, while mono-crystalline and mono-PERC half-cut solar panels are more expensive but have higher efficiency and power output. Mono-PERC half-cut solar panels offer even higher efficiency and power output compared to traditional mono-crystalline panels. Regenerate response
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