JA Solar's Bycium+ Cell Achieves Record-Breaking 748.6mV Open-Circuit Voltage Certified by ISFH

Passivation technology is key to improving open-circuit voltage and cell efficiency by reducing internal recombination losses and enabling more electrical energy to be extracted. JA Solar has continuously optimized the passivation structure of its TOPCon cells, minimizing surface, bulk, and metal recombination. By integrating innovations in metallization, new materials, and processes, JA Solar has achieved a record-breaking open-circuit voltage. This advancement pushes TOPCon technology closer to its theoretical efficiency limit and supports the future growth of the PV industry.

Passivation technology is key to improving open-circuit voltage and cell efficiency by reducing internal recombination losses and enabling more electrical energy to be extracted. JA Solar has continuously optimized the passivation structure of its TOPCon cells, minimizing surface, bulk, and metal recombination. By integrating innovations in metallization, new materials, and processes, JA Solar has achieved a record-breaking open-circuit voltage. This advancement pushes TOPCon technology closer to its theoretical efficiency limit and supports the future growth of the PV industry.

"This milestone with our Bycium+ cell is not just a testament to JA Solar's commitment to technological innovation, but also a contribution to advancing the PV industry as a whole," said Aiqing Yang, Executive President of JA Solar. "By setting a new benchmark for TOPCon cell open-circuit voltage, we aim to inspire broader progress across the industry, driving the development of high-performance, cost-effective PV solutions that accelerate the global transition to clean energy."

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