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Panasonic Developed New Solar Skylight

Author: Source: Datetime: 2017-07-07 13:31:52
According to foreign media reports, Panasonic engineers have developed a new solar skylight, designed for 2017 Toyota Prius Day plug-in hybrid models tailored design, solar energy can be converted into electricity for the 12V car lithium-ion battery charging (8.8 kWh). The photovoltaic panel of the product uses the Heterojunction with intrinsic thinlayer (HIT) technology, which extends the mileage of the vehicle (the increase in mileage will reach 10%). According to the US Environmental Protection Agency estimates, Toyota Prius in pure electric mode, the mileage will reach 25 miles.

Toyota and Panasonic jointly clarified that the actual charging efficiency will fluctuate due to differences in the amount of light in each season, which means that the average mileage of additional mileage after charging is in the range of 1.8 miles (2.9 km) to 3.8 miles (6.1 Km), depending on the amount of light varies from season to season. It is estimated that if a new method is used to fit the solar panel for the body panel, the mileage will be extended to 6.2 miles (10 km).
Panasonic
When Panasonic introduced HIT batteries in 2014, the company claims that its conversion efficiency is up to 25.6%. Theoretically, for conventional single junction portable solar power generator solar cells, the upper limit of energy conversion efficiency is 30%. For the current mass production of solar panels, the Japanese company Kaneko (Kaneko) researchers to refresh the industry record, the energy conversion efficiency of their products as high as 26.6%.

An important feature of the HIT technique is that the recombination losses of the charge carriers can be reduced by the layers of amorphous silicon on the surface of the monocrystalline silicon substrate, and the charge carriers are derived from light The resulting particles of electricity.

In addition, when the module is heated, its output power loss is minimal, which means that even in the heat conditions, also supports high output power. Typically, the performance of solar cells in the performance of poor performance, the output value will be affected. According to Panasonic, the rated output value of the HIT panel corresponds to an operating environment of 25 ° C (about 77 ° F), but in fact the withstand temperature of the roof is at 80 ° C or higher. According to Panasonic, even in high temperature environments, as much as possible to reduce the decline in output power, because the Panasonic heterojunction solar cells mentioned less than conventional solar cells.
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