Solar energy is both a primary and a renewable source of energy. It is resourceful, free to use and transport-free, and does not pollute the environment in any way. However, solar energy also has two major drawbacks: first, the low density of energy flow; second, its intensity cannot be maintained at a constant level due to various factors (season, location, climate, etc.). These two major disadvantages greatly limit the effective use of solar energy.
Entering the 21st century for more than a decade, the world of crystalline silicon solar cells research and development and industrialization, a series of new results, new breakthroughs. High efficiency monocrystalline silicon solar cell laboratory has reached the highest photoelectric conversion efficiency of 24.7%, high efficiency polycrystalline silicon solar cell laboratory has reached the highest photoelectric conversion efficiency of 20.3%. At the same time, the world's leading universities and research institutions have entered the field of solar energy, advanced technology continues to proliferate to industry, so that commercial battery technology continues to improve, and greatly reduce the cost of solar photovoltaic power generation. Technological progress has become an important factor in reducing the cost of solar photovoltaic power generation and promoting the development of the crystalline silicon solar cell industry and market.
Future trends in the development of the solar cell industry are.
First, photovoltaic manufacturing to automation, intelligent, flexible development
With the continued progress of product technology and manufacturing processes, photovoltaic manufacturing will be more similar to the precision manufacturing of semiconductors, product integration is higher. In the future, high efficiency and reliability is not the only indicator of photovoltaic products, intelligent, lightweight, combined with the requirements of the building will make the product more diverse, suitable for a variety of applications and installation conditions, to achieve the energy Internet. And PV manufacturing automation, intelligence, flexibility and the future of the global virtual factory are the main trends of the current industrial upgrading.
Second, market applications continue to expand, reducing costs is still the theme of the industry
Solar photovoltaic market applications will show a wide range, diversified trends, to adapt to the various needs of photovoltaic products will continue to come out, in addition to large-scale grid-connected photovoltaic power plants, combined with the building of photovoltaic power generation systems, small photovoltaic systems, off-grid photovoltaic systems will also rapidly emerge. The cost of solar cells and photovoltaic systems continue to decline and approach the cost of conventional power generation, will remain the theme of the development of the photovoltaic industry, from silicon to modules and supporting components will face rapid price reductions in the market pressure, solar cells will continue to develop in the direction of high efficiency and low cost.
