Abstract: Provided herein, are anode and/or cathode pan assemblies comprising unique ribs and welds configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

Abstract: An electrolyzer cell comprises a first half cell comprising a housing at least partially enclosing a cell interior, a first electrode coated with a first catalyst coating, wherein the first electrode is coupled to the housing in the cell interior without welding, a second electrode coupled to the housing in the cell interior without welding, and a separator positioned between the first electrode and the second electrode, wherein a voltage is applied between the first electrode and the second electrode.

Abstract: An electrolyzer system comprises one or more electrolyzer cells each comprising a first half cell with a first electrode and a second half cell with a second electrode and a controller to control a current applied through the one or more electrolyzer cells, wherein the controller is configured to dynamically set the current density within a current density range of from about 150 mA/cm2 to about 3000 mA/cm2, and wherein the controller is configured to set the current density to a first value when a first condition is met and to a second value when a second condition is met.

Abstract: Disclosed herein are methods and systems that relate to electrochemically producing hydrogen gas by maintaining a steady-state pH differential of greater than 1 between an anode electrolyte and a cathode electrolyte in a hydrogen-gas generating electrochemical cell.

Abstract: Disclosed herein are methods and systems that relate to electrochemically producing hydrogen gas by maintaining a steady-state pH differential of greater than 1 between an anode electrolyte and a cathode electrolyte in a hydrogen-gas generating electrochemical cell.

Abstract: A method for carrying out electrolysis comprises dynamically changing a current density associated with an operation of an electrolyzer within a range of values of about 0.15 A/cm2 and 3.0 A/cm2, wherein the changing of the current density associated with the operation of the electrolyzer is in response to a change in demand for electricity within a region where the electrolyzer is located, and wherein the changing of the current density comprises lowering the current density within the range of values of about 0.15 A/cm2 and 3.0 A/cm2 when the demand for electricity increases within the region where the electrolyzer is located and raising the current density within the range of values of about 0.15 A/cm2 and 3.0 A/cm2 when the demand for electricity decreases within the region where the electrolyzer is located.

Abstract: A method of using an electrochemical cell includes sparging a gas including oxygen into an anolyte using an anolyte oxygen sparger, wherein the anolyte is circulated to contact an anode of an electrochemical cell including the anode, a cathode, and a membrane between the anode and the cathode.

Abstract: An electrolyzer system comprises a stack of one or more electrolyzer cells, each electrolyzer cell comprising first and second half cells respectively comprising first and second electrodes and a separator between the first half cell and the second half cell, wherein a current is applied between the first and second electrodes. The system further comprises first and second electrolyte feed streams for respectively feeding a first electrolyte solution at a first inlet temperature to the first half cells and a second electrolyte solution at a second inlet temperature to the second half cells, first and second electrolyte outlet streams for respectively withdrawing the first and second electrolyte solutions from the first half cells and second half cells, and a temperature control apparatus to control the first inlet temperature at a first specified temperature and to control the second inlet temperature at a second specified temperature.

Abstract: Provided herein are anode and/or cathode pan assemblies comprising unique manifold, outlet tube, and/or baffle plate configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

Abstract: Provided herein are electrochemical cell and/or electrolyzer configurations with membrane-electrode gap and optionally one or more spacers; and methods to use and manufacture the same.

Abstract: Disclosed herein are methods and systems that relate to oxidizing a metal ion of a metal oxyanion or a non-metal ion of a non-metal oxyanion from a lower oxidation state to a higher oxidation state at an anode and generate hydrogen gas at the cathode. The metal oxyanion with the metal ion in the higher oxidation state or the non-metal oxyanion with the non-metal ion in the higher oxidation state may be then subjected to a thermal reaction or a second electrochemical reaction, to form oxygen gas as well as to regenerate the metal oxyanion with the metal ion in the lower oxidation state or the non-metal oxyanion with the non-metal ion in the lower oxidation state, respectively.

Abstract: Provided herein are anode and/or cathode pan assemblies comprising unique manifold, outlet tube, and/or baffle plate configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

Abstract: Provided herein are electrochemical cell and/or electrolyzer configurations with membrane-electrode gap and optionally one or more spacers; and methods to use and manufacture the same.

Abstract: Provided herein, are anode and/or cathode pan assemblies comprising unique ribs and welds configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.