Mass-Production ready 28.7% efficient solar cell fabricated in Germany Updated On Thu, Mar 10th, 2022 by Saurenergy Q CELLS, a total energy solutions provider in solar, energy storage, downstream project business and energy retail, claims to have set a new world-record tandem cell efficiency of 28.7% in collaboration with researchers at Helmholtz-Zentrum Berlin, a German research centre, using a Q.ANTUM-based silicon bottom cell in combination with a perovskite-based top cell. Q CELLS’ […] Read more