ELECTRIC HYDROGEN CO.

The following disclosure relates to electrochemical or electrolysis cells and components thereof, specifically to flow fields and dead-end inlet and outlet channel configurations within flow fields. In one example, the flow field may include at least one dead-end inlet channel and at least one dead-end outlet channel, wherein the dead-end inlet channel does not extend an entire length from the inlet to the outlet of the flow field and therein does not provide a direct fluid connection with the outlet, and wherein the dead-end outlet channel does not extend an entire length from the inlet to the outlet of the flow field and therein does not provide a direct fluid connection with the inlet.

A system and method of actively managing electrochemical stack compression using a hybrid compression system is provided. The method includes: receiving, by a data acquisition unit, stack data from an electrochemical stack in real time; providing, by the data acquisition unit, the stack data to a first compression controller and to a second compression controller; controlling, by the first compression controller, a first compression system configured to provide first adjustments to a compression force applied to the electrochemical stack; and controlling, by the second compression controller, a second compression system configured to provide second adjustments to the compression force on the electrochemical stack. The first compression system may be configured to provide the first adjustments to the compressive force during start-up and/or shutdown of the electrochemical stack. The second compression system may be configured to provide the second adjustments during the steady-state operation of the electrochemical stack. WO

The following disclosure relates to systems and methods for optimizing an operation of an electrochemical system. An optimization system may include a processor configured to determine an adjustment to one or more setpoints for the operation of the electrochemical system based on an optimization model that takes into account a desired performance parameter, an operating load point of the electrochemical system, and/or operating conditions of the electrochemical system received by the processor. In other examples, the optimization system includes a controller configured to: receive desired operating set points for operation of an electrochemical system; receive operating conditions of the electrochemical system; and determine an adjustment to an off-taker control valve, an electrochemical stack pressure control valve, a power supply unit, or a combination thereof based on an optimization model.

The following disclosure relates to a compression apparatus for an electrochemical stack having a first plate, a second plate, and a plurality of electrochemical cells positioned between the first plate and the second plate. The compression apparatus includes a spring compression bar, a plurality of first fasteners, a plurality of second fasteners, and a plurality of springs positioned around a circumference of each second fastener.

The following disclosure relates to an electrochemical cell or system that is configured to operate with forced water flow on the cathode side of the cell and forced water flow on the anode side of the cell. The system may include at least one electrochemical cell having a cathode, an anode, and a membrane separating the cathode and the anode. The system has the forced water flow on the cathode side of the cell to be principally in opposite direction of the forced water flow on the anode side of the cell.

A system and method for detecting and conditioning cross-leaks in the operation of electrolysis systems includes a separator configured to separate the fluid into a first stream and a second stream; a heat exchanger configured to lower a temperature of the first stream to form a condensed liquid within the first stream via condensation; a trap system configured to drain the condensed liquid out of a lower outlet of the trap system and transfer a gas composition within the first stream out of an upper outlet of the trap system; a flow control and metering system configured to reduce a pressure of the first stream such that additional liquid is formed and removed from the first stream due to a pressure drop, therein providing a conditioned gas in the first stream; and a gas sensor configured to measure the conditioned gas in the first stream.

The present disclosure advantageously provides an improved cooling system for an electrochemical plant. The configurations disclosed herein provide advantages and improvements in a cooling system for the electrochemical plant. The cooling system advantageously cools multiple subsystems within the plant using dry coolers, thereby easing maintenance and access to various components within the plant, minimizing or reducing the amount of process piping within the plant used to cool the multiple subsystems, and reducing the complexity of the overall plant.

The following disclosure relates to electrochemical or electrolysis cells and components thereof. More specifically, the following disclosure relates methods and systems for removing metal ions from a membrane of an electrochemical cell by introduction of a cleaning composition (e.g., an acidic composition) into a water supply to the electrochemical cell. These systems and methods for removal of metal ions from the membrane(s) of the electrochemical cell(s) may advantageously extend the efficiency and service life of the electrochemical cell or stack.

The following disclosure relates to electrochemical or electrolysis cells and components thereof. In one example, the cell includes an electrode, a membrane, and a plurality of interconnecting layers positioned between the electrode and the membrane. The plurality of interconnecting layers includes a local interconnecting layer positioned adjacent to the membrane and a global inter- connecting layer positioned adjacent to the electrode. Further, the plurality of interconnecting layers provides a vertical conduction in a direction extending along an axis running between the electrode and the membrane.

The present disclosure advantageously provides an improved cooling system for an electrochemical plant. The configurations disclosed herein provide advantages and improvements in a cooling system for the electrochemical plant. The cooling system advantageously cools multiple subsystems within the plant using one unified cooling loop, thereby easing maintenance and access to various components within the plant, minimizing or reducing the amount of process piping within the plant used to cool the multiple subsystems, and reducing the complexity of the overall plant.