Provided are an electrochemical catalyst and a preparation method therefor. The preparation method for an electrochemical catalyst may comprise the steps of preparing a base metal aqueous solution containing a base metal, hydrothermally synthesizing a base structure containing an oxide of the base metal by using the base metal aqueous solution, and using a heat treatment method for the base structure in a sulfur (S)-containing reactive gas atmosphere, exchanging oxygen (O) on the surface of the base structure with sulfur (S) of the reactive gas to form a catalyst structure which has a core structure containing the oxide of the base metal and a shell structure containing a sulfide of the base metal.

An anode separator for use in an electrochemical hydrogen pump includes a first anode gas flow channel having a serpentine shape, a second anode gas flow channel having a serpentine shape, and an anode gas discharge manifold into which an anode gas discharged from each of the first anode gas flow channel and the second anode gas flow channel flow. The first anode gas flow channel and the second anode gas flow channel are provided in a first region and a second region, respectively, that are divided from each other by a predetermined line parallel to a direction of the anode gas that flows into the anode gas discharge manifold.

A compression apparatus includes at least one compression unit, a voltage applier, an anode end plate provided on an anode separator located at a first end in a direction of stacking, a cathode end plate provided on a cathode separator located at a second end in the direction of stacking, and first and second plates provided between the cathode end plate and the cathode separator located at the second end. The compression apparatus causes, by using the voltage applier to apply a voltage, protons taken out from an anode fluid that is supplied to the anode to move to the cathode via the electrolyte membrane and produces compressed hydrogen. The first plate has formed therein a first space in which to store a cathode gas containing the compressed hydrogen. The second plate is provided with a first manifold through which the cathode gas flows and a first communicating path through which to lead, to the first space, the cathode gas having flowed in from the first manifold.

A compressor for a solid oxide electrolyzer cell (SOEC) system, the system including one or more stamps that receives hydrogen input and outputs wet hydrogen, a heat exchanger or condenser that is configured to decrease the temperature of the wet hydrogen, a compressor that is configured to increase the pressure of the wet hydrogen, and a dryer that is configured to reduce the dew point of the wet hydrogen.

A compressor for a solid oxide electrolyzer cell (SOEC) system, the system including one or more stamps that receives hydrogen input and outputs wet hydrogen, a heat exchanger or condenser that is configured to decrease the temperature of the wet hydrogen, a compressor that is configured to increase the pressure of the wet hydrogen, and a dryer that is configured to reduce the dew point of the wet hydrogen.

The present invention relates to catalysts or catalytic systems comprising liquid metals, and in particular, to catalysts or catalytic systems comprising liquid metals droplets dispersed in a solvent, as well as to methods and uses of such catalysts or catalytic systems. In some embodiments, the present disclosure provides a ‘green’ carbon capture and conversion technology offering scalability and economic viability for mitigating CO.sub.2 emissions.

The present invention relates to a process for CO.sub.2 capture and production of CO. The present invention also relates to an apparatus for CO.sub.2 capture and production of CO. An object of the present invention is to provide a sustainable process for the capture CO.sub.2 and convert it into CO. Another object of the present invention is to provide a process for the direct production of valuable chemicals through capture and conversion of CO.sub.2.

The present invention relates to a process for CO.sub.2 capture and production of CO. The present invention also relates to an apparatus for CO.sub.2 capture and production of CO. An object of the present invention is to provide a sustainable process for the capture CO.sub.2 and convert it into CO. Another object of the present invention is to provide a process for the direct production of valuable chemicals through capture and conversion of CO.sub.2.

Herein discussed is an electrochemical reactor comprising a mixed-conducting membrane, wherein the membrane comprises an electronically conducting phase and an ionically conducting phase, wherein the reactor is capable of reforming a hydrocarbon electrochemically, wherein the electrochemical reforming reactions involve the exchange of an ion through the membrane to oxidize the hydrocarbon. Further discussed herein is a method of producing hydrogen comprising providing an electrochemical (EC) reactor having a mixed-conducting membrane, introducing a first stream comprising a hydrocarbon to the reactor, introducing a second stream comprising water to the reactor, and reducing the water in the second stream to produce hydrogen, wherein the first stream and the second stream do not come in contact with each other in the reactor, and wherein the hydrocarbon is reformed electrochemically in the EC reactor.

Herein discussed is an electrochemical reactor comprising a mixed-conducting membrane, wherein the membrane comprises an electronically conducting phase and an ionically conducting phase, wherein the reactor is capable of reforming a hydrocarbon electrochemically, wherein the electrochemical reforming reactions involve the exchange of an ion through the membrane to oxidize the hydrocarbon. Further discussed herein is a method of producing hydrogen comprising providing an electrochemical (EC) reactor having a mixed-conducting membrane, introducing a first stream comprising a hydrocarbon to the reactor, introducing a second stream comprising water to the reactor, and reducing the water in the second stream to produce hydrogen, wherein the first stream and the second stream do not come in contact with each other in the reactor, and wherein the hydrocarbon is reformed electrochemically in the EC reactor.