an oxygen recovery system configured to recover evolved oxygen from a regenerative electrochemical cell . the electrochemical cell includes an oxygen reduction cathode , a fuel electrode configured to be a fuel anode when the cell is operated to generate electricity and a cathode for reducing fuel thereon when the cell is operated to regenerate the fuel , and an oxygen evolution anode that is configured to evolve oxygen from an electrolyte solution when the cell is operated to regenerate the fuel . the oxygen recovery system includes an oxygen separator located downstream of the oxygen evolution anode in a recharge direction of flow . the oxygen separator is configured to separate the evolved oxygen from the electrolyte solution . an oxygen recovery path is disposed between the oxygen separator and the oxygen reduction cathode . the oxygen recovery path is configured to direct the evolved oxygen separated from the electrolyte solution to the oxygen reduction cathode .