According to MoneyDJ, Solar Frontier, a CIS thin-film solar cell production subsidiary of Showa Shell Sekiyu KK, announced on the 2nd that it has successfully partnered with NEDO to bring its own CIS thin-film solar power. Battery conversion rate increased to 20.9% level.
In cadmium-free thin-film solar cells, the 20.9% conversion rate has surpassed the 19.7% recorded by Solar Frontie in 2013 and has become the highest global conversion rate; in cadmium-containing thin-film solar cells, The conversion rate also surpassed the original highest 20.8% and became the world's highest conversion rate for thin-film solar cell products.
Showa Shell announced on December 19, 2013 that Solar Frontier will invest approximately 13 billion yen in the construction of a new CIS thin-film solar cell plant "Tohoku Plant (tentative name)" in Miyagi Prefecture, Japan, and estimates that it will be available in March 2015. Production, annual production capacity of 150MW. Together with Showa Shell's three CIS thin-film solar cell plants with an annual production capacity of 980 MW in Miyazaki Prefecture, its production capacity in the future will increase to 1,130 MW.
The CIS thin film solar cell is a thin film solar cell using Cu (copper), In (indium), Se (selenium) as its main raw material, its main characteristic is that the cost is not affected by the price change of silicon, and there is a part on cloudy days or on the panel. Power can still be generated when shaded.
However, the conversion rate of CIS thin film solar cells is currently inferior to the current mainstream crystalline silicon solar cells, but according to Solar Frontier president Yujing Yuren, the Northeast plant will improve the production process, and its conversion rate will be comparable to crystalline silicon solar cells. .
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