For electrolysis of brine, a cell was built having a Teflon bonded platinum black cathode on a gold support screen with a non-wetting support Teflon film over the electrode surface. The cathode was bonded to and embedded to a Nafion 315 laminate membrane. A Teflon-bonded ruthenium oxide-graphite anode was bonded to the other side of the membrane. A brine feedstock at 90° C. was introduced and the cell operated at a current density of 300 ASF. The process was carried out with a cell voltage of 2.7 volts with a cathode current efficiency of 69% at 0.9 M NaOH with an oxygen feed of 2000 cc per min. or ˜9.6 stoichiometric.