Solar cells and photovoltaic power generation development situation in our country is introduced

The development of new energy and renewable clean energy is the 21st century the most decisive influence in the world economic development of one of the five technical field. Full development and utilization of solar energy is the energy strategy for the sustainable development of the world's governments, including the sun is the most notable. Sunlight power forward to large-scale applications, recently can solve the need of special applications. By 2030, photovoltaic power generation in the world will account for up to 5 a 20% total generating capacity. Solar cell power generation has many advantages, such as safe and reliable, no noise, no pollution, energy widely available, is not subject to regional restriction, without consuming fuel, no mechanical moving parts, low failure rate, convenient maintenance, can unattended, short construction period, the size of the casual, no erection of transmission lines, can be easily combined with buildings, etc. These advantages are beyond conventional power generation and other power generation methods.

in 1958 began to solar cell research in our country, first applied successfully in our country in 1971 on the second launch of satellite and ground application began in 1973. Began in 1979 with the semiconductor industry of defective goods silicon production of monocrystalline silicon solar turtle pond, the solar battery cost decreased obviously, open ground application market. When solar cell area is small, the use of vacuum evaporation method of making solar electricity his silver aluminum electrodes. In the mid - 80 - s, solar cell production line introduced from abroad or key equipment, make the solar cell production capacity of 4. 5MW。 Single crystal silicon solar cell made electrode climbing net printing process, obviously improve the production efficiency.

photovoltaic research and development of our country to about 38 units. Is currently research projects include: practical monocrystalline silicon solar cell, high-efficiency monocrystalline silicon solar cell, polycrystalline silicon solar cells, amorphous silicon solar cell, arsenide marry solar cell, space with silicon solar cell and its system, steel tin and copper sulfide picks compound thin film solar cells; Concentrated silicon solar cell system; Photovoltaic system applications are: water pump, inverter, controller, solar street lamp, etc. For some special solar cell materials localization also carried out the research.