ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,912, issued on April 29, was assigned to UOP LLC (Des Plaines, Ill.).

"Redox flow battery with a balancing cell" was invented by Natalie L. Nicholls (Chicago), William T. Kender (Chicago) and Melissa L. Helm (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "A redox flow battery with an electrochemical balancing cell having first and second chambers. The first chamber includes a catalyst coated substrate and the second chamber includes an electrode. Each receives an electrolyte from the redox flow battery. There is a single interface between the two chambers. The balancing cell reverses parasitic reactions in the first chamber that occur in the ...