Ricoh, Choshu Industry part of government's push to remain competitive in next-gen tech
Flexible film-type perovskite cells can easily be installed on existing buildings, including on windows. (Photo by Kohei Yamada)
TOKYO — Japan plans to provide about 100 billion yen ($636 million) over four years to support mass production of next-generation flexible perovskite solar cells, Nikkei has learned, bolstering the commercialization of a technology in which the country has strengths.

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