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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
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Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2023-12-05 Hits: Popular:AG11 battery
Recently, according to the ruling of the Office of the United States Trade Representative (USTR), the import of bifacial solar modules has been excluded from the "201" tariff provisions. Such products will be exempted from the 25% tariff when imported into the United States. This exemption will bring significant reductions in system costs and will accelerate the application of bifacial solar module technology in the United States, especially in the United States, which is still in a relatively early stage in this field. The United States has almost no manufacturing capacity for bifacial modules. This new policy is seen by the industry as changing the module supply landscape in the U.S. market. It also means that major manufacturers that have recently been promoting bifacial modules have the opportunity to take the lead faster in this new policy. machine. This is tantamount to adding fuel to the flames for the domestic bifacial solar module market, which is developing well. There seems to be no doubt that bifacial high-efficiency photovoltaic power generation will become the main force in the future. At present, it seems that most of the production capacity outside China needs to be shut down and renovated in order to produce double-glass modules. Moreover, due to the slow lamination speed of double-glass modules, low production yield, complex packaging and other issues, it has a negative impact on output and cost. Influence. Looking at various solutions, transparent backsheets have become the fastest and most reliable way to help module manufacturers switch from single-sided modules to double-sided modules. The transparent backplane does not require modification of component production equipment and can be directly connected seamlessly. It is understood that the most mature transparent backsheet solution in the industry currently comes from the backsheet based on DuPont? Tedlar? transparent film, which has been used by JinkoSolar in the double-sided transparent backsheet component Swan product and was launched in May. Won the Intersolar Innovation Award at the International Solar Technology Exhibition in Munich, Germany. With the transparent backplane, the front power output of Swan modules can reach 400W, and the energy gain on the back can reach 20%, which is equivalent to double glass modules, is lighter, easier to install, and provides a 30-year power warranty. In addition, Swan modules have recently obtained the first transparent backplane 192-hour double-sided PID certificate issued by TüVNORD, a third-party certification agency. Currently, first- and second-tier manufacturers around the world are entering the field of bifacial solar modules, including State Power Investment Corporation, JinkoSolar, LONGi Solar, GCL Integrated, Jolywood, etc. According to incomplete statistics, there are as many as 22 companies in my country that have launched bifacial modules, and more than 30 bifacial module products have been launched. If module manufacturers targeting the U.S. market adopt transparent film backsheets, they will undoubtedly gain huge market expansion from the tariff changes. Frequent cases of failure of double-glass modules have raised concerns. Double-glass bifacial modules have also become the beneficiaries of the US 201 exemption this time. However, as modules develop in the "big" direction, the load-bearing problems of double-glass modules have become increasingly prominent. At the same time, in the past two years, there have been some failure cases of double-glass modules in actual outdoor use. In western and southern China, it was discovered that frameless double-glass modules were bent and deformed, causing cell cracks and glass bursts. In western China, 10-20% of double-glass modules installed using compaction methods will bend in just 1-3 years, and 1.5% of double-glass modules will burst. In southern China, double-glass modules installed with back guide rails have only been outdoors for one year. The maximum bending degree detected by naked eyes is greater than 1cm. About 10-20% of double-glass modules were found to have this problem. Double-glass modules abroad also have frequent problems. In Arizona, the United States, double-glass modules that have been installed for 10 years have become yellowing, discolored, delaminated, and cracked. In severe cases, the front side of components is yellowed, darkened and discolored, the back side is delaminated on a large scale, and part of the back panel glass is bursting. The occurrence of these failures has cast a shadow over the development of double-glass modules. If double-glass modules want to achieve further development and benefit from this double-facial module boom, they need to put more effort into quality.
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