ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,731, issued on April 22, was assigned to ESS TECH INC. (Wilsonville, Ore.).
"Cost-efficient high energy density redox flow battery" was invented by Yang Song (West Linn, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided for a redox flow battery system. In one example, the redox flow battery is adapted with an additive included in a battery electrolyte and an anion exchange membrane separator dividing positive electrolyte from negative electrolyte. An overall system cost of the battery system may be reduced while a storage capacity, energy density and performance may be increased."
The patent was filed on Sept. 26, ...