A BC solar cell refers to a Back-Contact solar cell, also known as Interdigitated Back Contact (IBC) solar cell. In this type of solar cell, all the electrical contacts (both positive and negative) are located on the back side of the solar cell instead of the front.
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| BC solar cell |
Efficiency
Typical efficiency: 20% to 24%
Higher efficiency than standard monocrystalline panels because there's no shading from front-side metal contacts.
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| BC solar Cell technology |
Advantages
Higher Efficiency: No front-side metal shading allows more sunlight to be absorbed.
Better Aesthetics: All-black sleek look without front busbars; ideal for residential rooftops.
Improved Performance: Better performance at high temperatures.
Reduced Recombination Loss: Advanced passivation techniques reduce electron loss.
Flexible Design: More space on the front allows for creative panel designs or building integration.
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| BCST |
Disadvantages
Higher Cost: More complex manufacturing process increases cost.
Difficult Repair: Back-contact structure can be harder to troubleshoot or repair.
Limited Availability: Not as widely available as standard panels.
Lifespan
Typically 25 to 30 years, similar to other silicon-based solar technologies.
Many come with 25-year performance warranties.
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