ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,667, issued on April 7, was assigned to Volvo Car Corp. (Gothenburg, Sweden).

"Structural battery for an electric vehicle comprising a battery cell support matrix" was invented by Daniel Karlsson (Gothenburg, Sweden), Klas Persson (Kungalv, Sweden) and Martin Hjalm Wallborg (Harestad, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric vehicle including a battery assembly with at least two rows of battery cells attached to a battery frame structure. The battery frame structure has a number of accommodating cavities, arranged in a matrix, each battery cell being placed in a respective accommodating cavity and connected to adjacent walls...