Over the past two months we’ve noted a few more $10 million Chinese perovskite startups which have joined our tracking list. The latest is ‘Flexible Sparkle Photovoltaics’ (柔烁光电) which we can tell from its name goes into the dozens-strong single-junction thin-film EV-roof and BIPV category. But as of this week the news has picked up again and we can report that Mellow Energy plans to invest $280 million in a new production and R&D headquarters, in Xiangzhou District, Guangdong Province. Mellow Energy, which was founded in August 2022, is pursuing perovskite-perovskite tandem, and as far as we know is the only perovskite company doing so – with the others all doing either single-junction or silicon-perovskite tandem. The company says it…