TOPCon technology hits 23.5% in mass production

Chinese manufacturer Jolywood claims it has reached 23.5% cell efficiency on the production lines for its n-type TOPCon technology. The achievement, which has not been verified by a third party, represents a 0.3% improvement to Jolywood's reported mass production efficiency.Jolywood this week announced that it has pushed the efficiency of its mass-produced silicon solar cells to 23.5%. The cells rely on n-type tunnel oxide passivated contact (TOPCon) technology, with a boron emitter and aluminum oxide/silicon nitride passivation layers. The new claim of 23.5% represents a 0.3% (absolute) improvement ...

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