Bc component is better than perc component

4 FAQs about [Bc component is better than perc component]

Is Topcon better than PERC?

Main Advantages: Higher ROI: In our rooftop tests, TOPCon generated ~4.7% more energy annually than PERC, even after accounting for a ~3% higher CAPEX. Better temperature performance: With a temperature coefficient around -0.3%/°C (vs. PERC’s -0.37%/°C), TOPCon is more resilient in hot climates.

What are the advantages of PERC cells?

Their production process is more streamlined compared to other types of cells, resulting in excellent cost control. They mainly employ BSF (Back Surface Field) and PERC technology routes. The mass production conversion efficiency of PERC cells has reached 23.5%, close to the theoretical limit of 24.5%.

What is PERC technology?

PERC (Passivated Emitter and Rear Cell) technology builds on traditional crystalline silicon solar cells by adding a rear passivation layer. This layer reflects unabsorbed light back into the wafer and reduces electron recombination, thereby increasing efficiency. Key Features: Efficiency: Mass-production cells typically achieve 20–22%.

What is the difference between Topcon and BC?

From these tests, I noticed a pattern: TOPCon performs more consistently under high-temperature and low-light conditions, while BC excels in aesthetics and power density, though at a higher CAPEX. How Do These Technologies Actually Work? PERC (Passivated Emitter and Rear Cell): This technology adds a rear passivation layer to reduce recombination.

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