Picture: Wuxi Autowell Expertise
Songci Mechatronics, a unit of China-based PV gear producer Wuxi Autowell, has unveiled a low-oxygen furnace answer for the manufacturing of n-type monocrystalline wafers.
The brand new answer is designed to satisfy the upper high quality necessities of n-type cells based mostly on tunnel oxide passivated contact (TOPCon) know-how, which calls for a excessive temperature course of, low resistivity, and low that oxygen content material.
“Songci’s SC-1600-LO₂ low-oxygen monocrystalline furnace is designed to take away oxygen impurities by matching the opening place of the furnace pipeline and the path of the fluid pipeline by means of thermal subject course of simulation,” the producer mentioned in an announcement. “The software program management algorithm consists of an oxygen management operate module that allows the oxygen removing operate with out affecting the crystal pulling.”
Songci Mechatronics claims that the brand new furnace can scale back the frequent difficulty of concentric circles in n-type wafers by 50% and obtain a discount in oxygen content material of greater than 24% in comparison with mainstream wafers, which, in in flip, ends in a 0.1% enhance in cell effectivity.
In 2021, Songci Mechatronics obtained orders from JA Photo voltaic and Yuze Semiconductor as a brand new provider of monocrystalline furnaces. In 2022, the corporate signed CNY 1.29 billion ($185.4 million) in new orders, up 667% year-on-year. The corporate mentioned it expects new orders to achieve CNY2 billion by 2023.
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