 |
What other options are available for polysilicon cells in addition to black silicon? US material company 1366 Technologies has developed Direct Wafer technology, and Hanwha Q CELLS has used this technology to increase the efficiency of polycrystalline PERC cells to 19.9%. , set a new high.
Polycrystalline solar products have recently been challenged by single crystal products in terms of price and power generation efficiency, which has accelerated the pace of mass production of related technologies such as wire cutting and black silicon. 1366 is dedicated to the development of kerfless technology and direct wafer Direct Wafer®. This process can directly pull out the silicon from the silicon material, eliminating the need for ingot casting crystallization and epitaxial wafer slicing procedures, which can save silicon, energy during production, and production time.
Fast progress, high efficiency, and target production
1366 collaborated with Hanwha Q CELLS to successfully create a 19.1% efficient polycrystalline PERC battery using QCELLS' Q.ANTUM battery as a platform with Direct Wafer® technology in November 2015. This record was successively increased to 19.6% in November 2016 and 19.9% ​​in March 2017. This series of developments is provided by 1366 in the polysilicon film produced in Massachusetts, USA, produced by Q CELLS in the German Center for Technology Innovation and Quality.
The latest 19.9% ​​efficiency record has been certified by Fraunhofer ISE CalLab and the silicon area is 156mm square. Frank van Mierlo, CEO of 1366, stated that the conversion efficiency of Direct Wafer® with the Q.ANTUM platform is almost twice as fast as the overall progress rate of the current photovoltaic industry; the latest 19.9% ​​record is better than the current high-efficiency polycrystalline battery, and Can progress.
Van Mierlo pointed out: "This latest milestone represents a room for improvement in our Direct Wafer production because this technology is completely free from the problem of ingot cutting silicon wafers during the production process."
According to EnergyTrend's survey, the conversion efficiency of the current mainstream polycrystalline cells is 18.4%. After the black silicon sizing process, the efficiency can be increased up to 19% depending on the three major processes such as dry process, wet process, and additives. At present, the conversion efficiency of the polycrystalline PERC battery is about 19.4%. Therefore, if direct silicon technology can solve the cost and yield problems and enter the mass production stage, it will have a very high efficiency and competitive advantage in the polycrystalline silicon market.
Based on the successful cooperation with 1366, Q CELLS announced in April 2016 that it will purchase up to 700MW of Direct Wafer® polysilicon wafers in 1366 for five years. The New York factory in 1366 is expected to be completed this year. The first phase will have a capacity of 250MW and will be shipped from the New York factory to Q CELLS in the future.
The first shipment, Japan 500kW
While Q CELLS continued its research and development work, 1366 also made its first order for downstream power stations, and will be the first commercial solar power generation system to be built using Direct Wafer® technology.
Japan's IHI Plant Construction Co. Ltd. has launched a 500kW solar system construction project in Hyogo Prefecture, Japan, and 1366 will supply 120,000 Direct Wafer® technology wafers for the production of batteries and components. Used to lay the power station.
1366 cooperates with IHI Group to promote the procurement of components required for this construction, and the components will be assembled by a Chinese tier-one company with IEC certification. IHI Plant Construction Co. has received the required components on March 3. The power station is expected to be completed in the second quarter of this year.
Van Mierlo is very excited about this business. He pointed out that this means that Direct Wafer can really provide products with sufficiently low cost and stable quality, and then it can be applied on a large scale.
EnergyTrend believes that with the development of 1366 and QCELLS, direct silicon has the opportunity to become a technological upgrade option for polycrystalline products that can continue to grow and achieve stable market share. However, the current scale of direct wafer technology production capacity is quite small, before a more large-scale application, it is not easy to change the predicament of Poly. Looking at the scale of production, black silicon will still be the choice for most of the polycrystalline silicon manufacturers to break through the current bottleneck.
TS Hardware is a China leading company that has engaged in CNC Machining Prototype & Production Services for more than a decade. We`ve helped thousands of clients speed up their projects with our services.
Equipped with leading-edge CNC machines, we have the capability to offer you a reliable One-Stop CNC machining service from design, prototyping, production to surface finishing. Our CNC turning services and CNC milling services offer rapid prototyping/end-use parts production in a wide range of materials, efficient for both time and cost.
Carbon Steel Cnc Part,Carbon Cnc Part,Carbon Cnc Precise Part,Carbon Prototype Parts
Taizhou TS HARDWARE Co., Ltd , https://www.shuwengroup.com