HPBC
Acronym for: Hybrid Passivated Back Contact
LONGi's proprietary N-type back-contact technology for premium residential; 22-23% module efficiency.
Detailed Explanation
HPBC (Hybrid Passivated Back Contact) is LONGi's proprietary variant of IBC technology, combining N-type TOPCon-like passivation with back-contact cell architecture. The flagship product is the LONGi Hi-MO X6 series (420-450W residential). HPBC targets premium residential markets in Europe, Japan, and Australia with all-black aesthetic, 22-23% module efficiency, and lower degradation than PERC. Pricing $0.15-0.20/W FOB China.
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Related Terms
N-type solar cell technology with a tunneling oxide passivation layer that achieves 25-26% efficiency.
Mainstream solar cell technology from 2019-2024 using a passivation layer on the rear cell surface; 22-23% efficiency.
Premium N-type solar cell tech combining crystalline and amorphous silicon for 25-26%+ efficiency.
Premium solar cell with all electrical contacts on the back, eliminating front-side shading for maximum efficiency.
Solar modules that generate power from both front and rear surfaces; 7-15% higher yield in ground-mount projects.