US Patent Issued to Rondo Energy on July 15 for "Thermal energy storage systems for repowering existing power plants for improving efficiency and safety" (Colombian, American Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,591, issued on July 15, was assigned to Rondo Energy Inc. (Alameda, Calif.).

"Thermal energy storage systems for repowering existing power plants for improving efficiency and safety" was invented by John Setel O'Donnell (Oakland, Calif.) and Carlos Alberto Ceballos Castillo (Medellin, Colombia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy storage system (TES) converts variable renewable electricity (VRE) to continuous heat at over 1000deg C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet...