Fraunhofer ISE unveils M10 TOPCon solar cell with 24.0% efficiency

The German research institute said the new 120 µm thin solar cell could exceed 25% efficiency with the next optimization steps. The device was metalized via screen-printed contact fingers and calibrated by scientists at the Institute for Solar Energy Research Hamelin. Germany's Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) has unveiled today a 120 µm thin solar cell type based on tunnel oxide passivated contact (TOPCon) technology and M10 (182mm) wafers. The research institute claims to be the first European scientific entity to switch to large-area M10 silicon wafers for TOPCon ...

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