Abstract
Abstract
Solar Industrial scale continues to expand. The world installed photovoltaic capacity gradually increased from 135GW in 2013 to 480GW by the end of 2018, achieved 3.5 times growth during five years. There will be still have space for price reduction. With the development of solar cell structure design, micro-nano laser precision machining and other technologies, the per-kilowatt cost of photovoltaic power generation has entered decline channel, and it is expected to realize the affordable online in the future. According to IHS, the price difference between PERC single crystal components and polycrystal components is $0.055 per watt. Industrial technology has made obvious progress, and single crystal PERC has become the mainstream. The efficiency of the cell is breaking new records. The conversion efficiency of ordinary single-crystal and polycrystalline cells has reached 20.2% and 18.6% respectively, and the efficiency of high-efficiency batteries has reached 21.3% and 19.2% respectively. According to data released by Solarbe, the single crystal PERC technology performs best in cell conversion efficiency and output power compared with other technologies. In the next four years, China's market growth will remain stable at 40-50GW. IHS Markit forecasts that the global market size is expected to remain stable at 100-120GW from 2018, while the growth of the Chinese market will remain stable at 40-50GW in the next four years.
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