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Very High Efficiency Concepts
This lecture covers the latest advancements in solar cell technology, focusing on very high efficiency concepts such as Passivating Contacts, Interdigitated Back-Contacted (IBC) cells, and Silicon Heterojunction (SHJ) cells. The instructor discusses key features like reduced shadowing losses, simplified back-contacted cells, and the upgrade scenario to IBC-SHJ. The presentation highlights the achievements of leading companies like Sunpower and Kaneka in producing cells with efficiencies exceeding 24-25%. The lecture emphasizes the importance of passivating contacts, IBC cells, and SHJ technology in achieving high efficiency and reducing balance of system costs.