ION-EXCHANGE MEMBRANE FOR REDOX FLOW BATTERY METHOD OF PREPARING SAME AND REDOX FLOW BATTERY COMPRISING SAME

摘要

The present invention provides a porous substrate comprising a polymer and an inorganic filler; and a coating layer formed on the porous substrate and comprising a metal oxide; relates to an ion exchange membrane for a redox flow battery comprising. The ion exchange membrane for a redox flow battery of the present invention and its manufacturing method include a coating layer containing a metal oxide, thereby having an effect that can be stably implemented in a strong alkali electrolyte, and by including the ion exchange membrane, it is possible to implement at a high voltage, It is possible to provide a redox flow battery with high voltage efficiency and energy efficiency even at high current density.