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3. Status of photovoltaic power research
Research on the photovoltaic power system including the related development of solar cells, inverters, controllers and so on. In recent years, research has focused on the solar cell solar cell materials research and localization of its research institutes, mainly in universities and research institutes, such as the Beijing Solar Energy Research Institute, Ministry of Information Industry No. 18 Research Institute, Shanghai 811 Institute, Institute of Semiconductors , Shanghai Jiaotong University, Sichuan University, and so on.
Since 2005, the photovoltaic industry, the rapid development, quality and production increased rapidly, in 2008 PV module output ranks first in the world, with the development of thin film solar cells and silicon material solutions, the rapid decline in prices, created favorable for large-scale applications condition. Research and development capabilities of domestic enterprises increased rapidly, more than alone or in Combination mode to establish a research center [1].
Solar cells are an important part of photovoltaic power generation system, the package material EVA film PVF composite film modified, screen printing paste localization and other research have been carried out. With the gradual maturity of the solar cell, with the support of storage products - battery development is also beginning to attract attention, but the market still lacks full battery products meet the following requirements:
Strong resistance to overcharge and over discharge capacity;
As high energy density;
Maintenance is simple, no water;
No mist overflow, without isolating place;