On July 20, the 5G W solar cell mass production project of Sany Silicon Energy (Zhuzhou) Co., Ltd. entered the approval process. The
project, with a total investment of 3 billion yuan, is located in Shifeng District, Zhuzhou City, Hunan Province. Relying on the industry's first self-developed PEpoly passivation technology, the passivation contact is combined with the traditional IBC battery to form a new type of IBC battery with higher efficiency. The theoretical conversion efficiency of the full-size battery can reach 27%, the mass production efficiency is not less than 26.5%, and the yield is over 93%. The 5G W mass production line will be built. Promote the coordinated development of the whole industry chain of IBC.
Previously, in April 2025, the company's related new battery technology research and development and equipment renewal projects have been completed for the record, and the project is expected to achieve an annual output value of 100 million yuan after the pilot landing.
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