TOPCon (Tunnel Oxide Passivated Contact) solar cell is a high-efficiency solar cell technology that uses a special design and manufacturing process.

Compared with traditional PERC (Passivated Emitter and Rear Contact) batteries, TOPCon batteries add a thin silicon dioxide battery tunnel barrier layer on the back of the battery to further reduce electron reflection and electron recombination on the back of the battery, increasing battery efficiency. photoelectric conversion efficiency.

TOPCon solar cells have some of the following features and advantages:

     High battery conversion efficiency: TOPCon batteries improve photoelectric conversion efficiency by reducing electron reflection and recombination phenomena, allowing the battery to convert sunlight into electrical energy more efficiently.
     Low light loss: The design of TOPCon batteries reduces reflection on the back of the battery, reduces light loss, and improves the battery's light absorption and utilization capabilities.
     Large current output: The design of TOPCon battery helps to increase the current output of the battery, allowing it to output more power in the same area.
     Low temperature coefficient: The temperature coefficient of TOPCon batteries is low, allowing it to maintain high performance stability even in high temperature environments.
     Long life: TOPCon batteries adopt optimized battery structure and materials, which have a long service life and low attenuation rate.

All in all, TOPCon solar cells are an efficient, high-performance solar cell technology that can provide higher photoelectric conversion efficiency and greater current output. It has broad application prospects in the field of solar energy and is regarded as one of the development directions of next-generation solar cell technology.