tunnel oxide passivated contact

March 6, 2023
Solar module manufacturer Seraphim Energy Group has launched a new TOPCon (tunnel oxide passivated contact) series of solar PV modules.
February 20, 2017
German research institute Fraunhofer ISE has claimed a new record conversion efficiency for a 20mm x 20mm N-type multicrystalline cell using process match wafer and its TOPCon (Tunnel Oxide Passivated Contact) developed technology.

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