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Polycrystalline silicon black PERC battery production line.
Recently, GCL Integration announced that the average efficiency of its high-performance polycrystalline silicon PERC battery mass production continued to reach a breakthrough on the basis of 20.5% at the end of 2017, with the highest efficiency exceeding 21% to reach 21.3%. Polycrystalline 60 version module power Breakthrough 300W, once again refresh polycrystalline PERC battery production efficiency.
It is understood that GCL has been stabilizing the production of black silicon PERC batteries based on diamond wire cut polycrystalline silicon wafers since February 2017. Currently, GCL's integrated high-efficiency battery capacity is 2GW, and it will reach 3GW by 2018. It is 295W more. The crystal black silicon module participated in the bid for the front runner project. The conversion efficiency of this module was 17.9%, which exceeded the national leader's component efficiency by 0.9%, and reached the highest power requirement of the leading component for the module.
"Every time Gainin's efficiency improvement is based on breakthroughs in fully mass-producible technology, it is not limited to laboratory or pilot line technologies and efficiency, and the continuous reduction in the cost per watt of batteries and modules is being produced. These high-efficiency and low-cost The battery and components can be mass-produced rapidly and bring significant economic benefits," said Shu Hua, chairman of GCL.
Analysts in the industry stated that the goal of the photovoltaic industry is to surf the Internet at parity, and the photovoltaic market will always favor products that contribute more to higher-priced, more cost-effective products. Judging from the market situation, in the third batch of front runner projects, the market share of 80% of the polycrystalline remains the main force of the cheap Internet route. In the future, the market share and trend of polycrystalline and single crystals will be determined more by the market.
Wang Bohua, secretary-general of the China Photovoltaic Industry Association, once said in a public speech: “The cost-effective products are a solid foundation for the grid-connected PV.†Over the past five years, the costs of all aspects of the industry chain have fallen by half, 2016-2017, The price of PV modules still fell by nearly 21%. The drop in the cost of components lays a solid foundation for the Internet access and large-scale deployment of photovoltaics. High-efficiency polycrystalline products are the first choice for cost-effective products and have become the main force for cheap Internet access.
Relevant research data shows that the efficiency of polysilicon cells has huge room for improvement. The efficiency breakthrough of the German institute also provides an example. The efficiency of polycrystalline cell industrialization can reach over 21%, and the optimistic estimate can reach 22%. Jia Rui, director of the Center for Applied Research of Solar Cells and Systems at the Institute of Microelectronics of the Chinese Academy of Sciences, predicted that “With the development of diamond wire cutting, black silicon and PERC technology, high-efficiency polycrystalline products will occupy the market in the next 3 to 5 years. Mainstream position."
The cyclical and continuous technological progress and iterations of the photovoltaic industry have brought about a continuous decline in product costs, and the rapid expansion of the market and industry scale. This time, the average efficiency of GCL's integrated polysilicon PERC battery production reached 20.8%. , will greatly promote the continuous improvement of the photovoltaic industry.
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