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Title:
DAS Solar, UNSW build tunnel back-contact solar cell with 27% efficiency, lower silver content
Detail:
Researchers from UNSW and DAS Solar developed a zero-busbar metal grid optimization approach for tunnel oxide passivated back-contact (TBC) silicon solar cells, enabling more efficient current collection at the rear surface while reducing silver consumption by 3–4 mg/W. The first TBC cells produced in mass manufacturing using this technique have demonstrated efficiencies exceeding 27%.
Country:
International
Source:
PV-Magazine
Published Date:
24.05.2026
URL:
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Regions:
Africa Asia Australia Europe North America Oceania South America
Sectors:
Building Non-Renewable Energy Solar Photovoltaic PV Energy Bridges and Tunnels Construction Energy-Power and Electrical Computer Hardwares and Consumables Petroleum Products Building Material
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