-(2)N-type monocrystalline silicon high-efficiency batteries have attracted much attention

(2)N-type monocrystalline silicon high-efficiency batteries have attracted much attention
author:enerbyte source:本站 click325 Release date: 2023-10-07 08:37:19
abstract:
N-type high-efficiency battery: The mass production efficiency limit of IBCorHIT polycrystalline silicon battery is about 19%; The limit of quasi single crystal is about 19.5%; On the basis of current technology, P-type single crystals are supplemented by technologies such as PRET and PERC, wi...

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N-type high-efficiency battery: The mass production efficiency limit of IBCorHIT polycrystalline silicon battery is about 19%; The limit of quasi single crystal is about 19.5%; On the basis of current technology, P-type single crystals are supplemented by technologies such as PRET and PERC, with a limit of about 21%. We believe that N-type silicon wafers are the best choice for high-efficiency crystalline silicon batteries, and there are only two technologies that can be widely promoted for mass production in the future: SunPower's IBC battery and Panosonic's HIT battery. Both can achieve a high conversion efficiency of over 24%, can be thinned, has good weak light response, and has no photo induced attenuation effect. The HIT process steps are simple, while IBC batteries involve semiconductor processes such as lithography, which are cumbersome and costly.

The demand for N-type silicon wafers will continue to rise: regardless of which technology the market ultimately chooses as the mainstream route for high-efficiency crystalline silicon solar cells, the position of N-type monocrystalline silicon wafers as carriers of high-efficiency crystalline silicon batteries is unshakable. As the cost of efficient batteries decreases year by year, companies producing high-quality N-type monocrystalline silicon will fully enjoy the performance surge brought by the increasing demand from downstream battery production companies. Some silicon wafer suppliers who master core technologies will also enjoy additional premiums in the capital market.

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