Abstract: In an aspect, an electrochemical hydrogen isotope recycling apparatus for recycling a feedstream comprising a single isotope of hydrogen, comprising: an electrochemical recycling unit, the unit comprising an anode; a cathode; an isotope-treated, cation exchange membrane operatively disposed between the anode and cathode, the isotope-treated, cation exchange membrane having heavy water containing the isotope of hydrogen therein, the unit configured to receive the feedstream containing the single isotope of hydrogen; wherein the single isotope is deuterium or tritium and when the single isotope is deuterium, the heavy water comprises D2O and when the single isotope is tritium, the heavy water is T2O.

Abstract: In an aspect, an electrochemical hydrogen isotope recycling apparatus for recycling a feedstream comprising a single isotope of hydrogen, comprising: an electrochemical recycling unit, the unit comprising an anode; a cathode; an isotope-treated, cation exchange membrane operatively disposed between the anode and cathode, the isotope-treated, cation exchange membrane having heavy water containing the isotope of hydrogen therein, the unit configured to receive the feedstream containing the single isotope of hydrogen; wherein the single isotope is deuterium or tritium and when the single isotope is deuterium, the heavy water comprises D2O and when the single isotope is tritium, the heavy water is T2O.

Abstract: An electrochemical hydrogen isotope recycling apparatus for recycling an isotope of hydrogen includes an electrochemical recycling unit, the unit comprising: an anode; a cathode; and an isotope-treated, proton exchange membrane operatively disposed between the anode and cathode, the isotope-treated, proton exchange membrane having heavy water containing the isotope of hydrogen therein, the device configured to receive a feedstream containing the isotope of hydrogen. A process by which high purity hydrogen isotope products are produced using an electrochemical membrane process in which all conventional water containing components are pre-processed using a heavy water containing the isotope of hydrogen.

Abstract: The invention includes a method for use in creating electrochemical electrodes including removing a supporting structure in situ after the assembly of the electrochemical cell.

Abstract: The invention includes a method for use in creating electrochemical electrodes including removing a supporting structure in situ after the assembly of the electrochemical cell.

Abstract: A combination fuel cell and hydrogen or oxygen pump includes an electrochemical cell comprising an anode inlet for receiving fuel, an anode outlet for exhausting fuel, a cathode inlet for receiving oxidant, a cathode outlet for exhausting oxidant, and first and second electrical connectors. A controller is operable for applying an electrical load to the electrochemical cell for generating electricity, and for applying an electrical potential to the electrochemical cell for purifying hydrogen or purifying oxygen. Methods and infrastructure systems are also disclosed.

Abstract: Apparatus and methods are provided for electrochemical hydrogen manipulation. In one example, an electrochemical cell is provided utilizing an acid doped polybenzimidazole membrane having a proton conductivity of at least 0.1 S/cm and comprising phosphoric acid in a ratio of at least 20 moles phosphoric acid to polybenzimidazole repeating unit. The polybenzimidazole membrane can be produced by a sol-gel process. Additional concepts are also described.

Abstract: A combination fuel cell and hydrogen or oxygen pump includes an electrochemical cell comprising an anode inlet for receiving fuel, an anode outlet for exhausting fuel, a cathode inlet for receiving oxidant, a cathode outlet for exhausting oxidant, and first and second electrical connectors. A controller is operable for applying an electrical load to the electrochemical cell for generating electricity, and for applying an electrical potential to the electrochemical cell for purifying hydrogen or purifying oxygen. Methods and infrastructure systems are also disclosed.

Abstract: A composition includes a catalyst, and a non-electrolytic material different than the catalyst, wherein the catalyst and the non-electrolytic material compose a fuel cell electrode.