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The CP (character matching) of photovoltaic prices led to the discussion of fans. With the arrival of the times, the reduction of capital and money is particularly important. The capital structure of photovoltaic systems is important for reasons such as photovoltaic components, inverters, ground plates, brackets and cables, financing, network capital, and artificial capital. Single-pack power improvement is one of the most useful ways to reduce costs, and the size of silicon wafers is a relatively less difficult path to achieve component power in the current year.
Photovoltaic silicon wafers originated from Sugar daddySugar babysemiconductor wafers. In terms of development, photovoltaics lag behind semiconductors for one to two generations. The development process of semiconductor silicon wafers is constantly increasing. The increase in silicon wafer size can reduce the production cost of semiconductor chips and improve the quality of chips. The bigger the silicon wafer, the more Sugar baby is, the lower the cost is. Over the past fewer than the surface, the proportion of edge films will decrease, the energy of disadvantages will decrease, and the quality of the product will improve.
The size changes of photovoltaic silicon wafers in recent years can be divided into three levels. 1981-2012 (from 100 and 12Sugar daddy5: “Fill out the form first.” Then take out a clean towel and go to 156(M0)), 2013-2017Escort manila(from 156(M0) to 156.75(M1, M2)), 2018 to present (from 156.75(M2) to 158.75 or perhaps 166(M6), 210(M12)). The size of silicon wafers plus large amounts of components are not difficult to achieve the power of the components, and can save money for medium and low-level manufacturing companies and power station customers. 1. Large size of silicon wafers, low photovoltaic cost
1.1. Exploring the system cost structure, the development of the entire photovoltaic industry is a process of continuously decreasing power costs. With the arrival of the average price era, the reduction of cost is particularly important. The capital structure of the photovoltaic system is composed of photovoltaic components, inverters, ground plates, brackets and cables, financing, network and artificial capital, and other reasons. Among them, the photovoltaic components, inverters, ground plates, Sugar baby brackets and linesSugar daddy scores are about 45%, 20%, 10%, and 10%. Single-pack power improvement is one of the most useful ways to reduce costs, and the size of silicon wafers is a more difficult way to achieve large-scale component power.
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1.2. From semiconductor technology, analyzing development trends
Photovoltaic silicon wafers originate from semiconductor wafers. Photovoltaic silicon wafers are lagging behind semiconductor wafers in the development rhythm. Escort manila observes the development process of semiconductor silicon wafers, and the size continues to increase. In the 1960s, 0.75-inch straight single crystal silicon wafers have emerged, and then developed 2-inch (50mm), 4-inch (100mm), 5-inch (125mm), 6-inch (150mm), 8-inch (200mm), and 12-inch (300mm) silicon wafers. In 2011, the five-year-old Sugar baby manufacturer cooperated to establish the 450mm Alliance (G4500C) to promote the development of 18-inch silicon wafers. The silicon wafer-sized cat finally calmed down and fell asleep obediently. Adding can reduce the production cost of semiconductor chips and improve the quality of chips. The bigger the silicon wafer, the more chips are produced on a silicon wafer, the lower the cost. As the surface area increases, the proportion of edge films will decrease, the energy of disadvantages will decrease, and the quality of the product will improve.
<img src="http://img01.mybjx.net/news/UploadFile/202002/6371701771839435459852874.png" title="2.png" alt="2.png"//
1.3. Silicon wafers have changed from small to Sugar daddy, and have undergone three changes
The size changes of photovoltaic silicon wafers in recent years can be divided into three stages. 1981-2012 (from 100 and 125 to 156(M0)), 2013-2Sugar daddy017 (from 156(MSugar baby0) to 156.75(M1, M2)), 2018-present (from 156.75(M2) to 158.75Sugar daddy or perhaps 166 (M6s have created sufficient dramatic performances compared to their vivid performances. None in a few days), 210 (M12)). During the first change period, the crystal circle size of the semiconductor is more often used, which is 6-inch, which is suitable forThe length of the silicon wafer is the so-called 5-inch piece (125mm). However, with the development of the industry, 125mm silicon wafers have been gradually replaced by 156mm products, and have greatly improved the power of a single component product. The second change was important from Sugar babyM0 to M1 and M2. At the end of 2013, five companies, Longi, Zhongli, Jinglong, Sunlight Dynamics and Kamdank, jointly issued the M1 and M2 silicon wafer standards. The standard modification of this size was approved by the SEMI Standard Committee in 2017. This change adds the area of silicon wafers while the components are not changed, causing power. ”, Compared with M0, M1 Manila escort and M2 increased by 1.63% and 2.25% respectively.
The third time is from 2018 to the present. Due to the market competition, many companies have once again turned their attention to silicon wafers, hoping to gain product competition by increasing the power of silicon wafer size and components. There are two development goals for this, one is to maintain the size of the component without changing the progress of the real boss Ye Qiuxin: Is the knowledge show ruining her? Did the author eat the edge distance, such as G1 (side distance 158.75mm), and the other is to increase the size of the component, such as M6 (side distance 166mm, straight 223mm), M12 (side distance 210Sugar daddymm, straight 295mm).
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