When will lead the Chinese domestic equipment manufacturing solar cells – solar
In today's Energy Become increasingly tense environment under increasing pressure is increasing, renewable energy by the increasing attention of Governments, solar energy as an important renewable energy, its development and use of sustainable development has become the important part of the strategy. Application of solar cells from the military and aerospace fields, into the industrial, commercial, agricultural, Communicate , Home appliances and utilities sectors, in particular, can be scattered in remote areas, mountains, deserts, islands and rural use, to save cost of expensive transmission lines. At present, China Renewable Energy Scale-only 8%, the future development of space is very wide. As the 21st century the most potential energy, solar energy industry in research and development, industrialization, market development have made considerable progress in solar cell industry has become the world's rapid and steady development of the sunrise industries.
According to Dataquest statistics show that, at present 136 countries around the world into the upsurge of popular application of solar cells, of which 95 countries are on a large scale research and development of solar cells, active production of new energy-related products. Since 2005, global solar cell market demand, the impact in the international environment, global demand growth, particularly the explosive growth in the European market, which the Chinese solar PV industry a huge room for growth.
Shenzhen Star Screen Printing Mechanical & Electrical Co., Ltd. is dedicated to high-precision, automated screen Print Mechanical design and manufacturing of professional factory, the development of screen printing equipment for many years, screen printing giant has been looking for innovation and breakthrough, nearly 2 years, the research focused on the areas of solar cell manufacturing equipment, long ago, I coincided with the Shenzhen travel, printing, General Manager Mr. Zhou Mo star mysteriously invited us to visit the company, claiming they developed two years of a product has been put into use, is absolutely not peers. To the screen printing giant's new plant, always took us weeks to visit these new machine, the total weeks on the solar cell market, a description so we have a better understanding of solar cells, the current domestic production of such a truly enterprise printing equipment also small, homemade devices and international facilities are still rather large. With the gradual expansion of China's solar market, how to break the domination of imported equipment situation? Screen Printing Enterprises in China in the solar cell market to find a breakthrough? These issues become the focus of our attention.
Solar grid line screen printing machine ( HC screen Special Indian network With map)
Are testing solar cells preparation equipment ( HC screen Special Indian network With map)
Solar cell manufacturers, including the system down? Cleaning? Spread? Etching? PSG eliminate? Surface film? Electrode printing (both sides)? Low-temperature drying? Back field printing? Low-temperature drying? High temperature sintering? Test sub-file so a total of 14 steps (for the two electrodes printed) and so on. Since 2002, the adoption and first-class enterprise Cooperation And the introduction of advanced technology, experienced several technical updating and upgrading of key pieces of domestic solar cell production equipment (for 156mm × 156mm square film solar cells), such as system down machines, wafer cleaning machines, 8-inch diffusion furnace, engraved erosion machine, PSG eliminate the machine, low temperature drying furnace, sintering furnace, screen printing and other large-scale production line in China have replaced the imported equipment, and broad application.
After several years of time, domestic alternative to import a lot of equipment or part has been import substitution, it is the efforts of many manufacturers. Solar cell manufacturing, a total of 67 kinds of equipment, such as in the diffusion furnace, a high degree of localization, 90% are made in China, mainly made 48, a number of manufacturers to pursue higher efficiency, there will be some imports diffusion furnace. The large internal screen printing lines basically are imported.
Crystal device chip is basically dominated by domestic equipment, but basically the foreign multi-chip device. The main problem is that the Chinese equipment, automation not keep up with imports. Selected as test points and screen printing that is automatic transmission mechanical hand, there is a big gap between domestic and international, the trend towards fully automated solution. The second is the technical performance of foreign equipment in general, than fine, third, the failure rate is too high.
In addition, in order to improve efficiency must be the so-called SE batteries, precision printing is so precise overlay of the screen printing is a more important direction of development. The other is to improve the slurry higher screen made the request, the thicker slurry thinner screen is necessary, but the screen is easy to book a later bad, India for a period of time should, therefore, higher screen requirements. Another silicon cleaning technology, is now considered a persistent solar legislation issue is the stability of its very poor cleansing, often some problems, mainly affecting the efficiency and stability of solar cells, so now started to develop all kinds Additive , Catalyst, the device also suitable for new additives, catalysts.
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