Cost and lifetime boost for perovskite solar cells: Page 2 of 2

October 01, 2018 //By Nick Flaherty
Dr. Zonghao Liu (left) and Professor Yabing Qi (right) with the 5 cm × 5 cm perovskite solar module that they developed in their lab at OIST. Credit: OIST
Researchers in Japan and China have found a way to increase the lifetime of perovskite solar cells. 

The big challenge Prof. Qi and his team now face is in increasing the size of their newly designed solar cell from the 0.1 mm2 sized prototype to large commercial-sized panels. "There exists a large gap between the findings in lab and reality, and the industry is not always ready to cover this entire gap by itself. So, the researchers need to take one more necessary step beyond their labs and meet the industry half-way," said Qi

The team has built a working model of their new perovskite solar modules consisting of multiple solar cells on 5cm × 5cm substrates, with an active area of 12 cm2, bigger than their experimental prototype but smaller than what is required for commercial purposes. Although the process of up-scaling has reduced the efficiency of the cells from 20% to 15%, the researchers are optimistic that they will be able to improve the way they work in the coming years and successfully commercialize their use.

www.oist.jp

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