Patent 11929533 was granted and assigned to Evoqua Water Technologies on March, 2024 by the United States Patent and Trademark Office.
A flow battery having at least one rechargeable cell is disclosed. The at least one rechargeable cell can include an anolyte compartment, a catholyte compartment, and an anion exchange membrane positioned between the anolyte and catholyte compartments. The anion exchange membrane can have a thickness of less than 100 μm and a steady state diffusivity of less than 0.4 ppm/hr/cm