Method for operating regenerative bipolar membrane fuel cell and regenerative bipolar membrane fuel cell therefor

摘要

The present invention relates to a method for operating a regenerative bipolar membrane fuel cell and a regenerative bipolar cell for storing and generating energy. The method according to the invention, Providing a regenerative bipolar membrane fuel cell, the regenerative bipolar membrane fuel cell comprising: a reactor having an anode compartment with an anode and a cathode compartment with a cathode; And a plurality of cell units separating the anode compartment and the cathode compartment, wherein the cell unit comprises an anion exchange membrane, a cation exchange membrane, and a bipolar membrane, the membranes forming a compartment; Providing a fluid on both sides of the bipolar membrane with an ion concentration at which the difference in water activity between fluids on both sides of the bipolar membrane is minimized; Storing energy in an energy storage state by providing an external current to the reactor such that a pH difference between fluids in contact with the bipolar membrane is achieved; - switching between the energy storage state and the energy generation state; And And regenerating energy in an energy producing state from the pH difference between fluids in contact with the bipolar membrane.