US Patent Issued to Azur Space Solar Power on Dec. 16 for "Stacked monolithic multi-junction solar cell" (German Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,739, issued on Dec. 16, was assigned to Azur Space Solar Power GmbH (Heilbronn, Germany).

"Stacked monolithic multi-junction solar cell" was invented by Matthias Meusel (Heilbronn, Germany), Alexander Berg (Heilbronn, Germany) and Wolfgang Guter (Stuttgart, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stacked monolithic multi-junction solar cell having at least four subcells, wherein the band gap increases starting from the first subcell in the direction of the fourth subcell, each subcell has an n-doped emitter and a p-doped base, the emitter and the base of the first subcell each have germanium or consist of germanium, all following su...