C25B11/02

Ammonia synthesis using plasma-produced electrons

A method of ammonia synthesis is described that includes contacting a nitrogen gas-containing plasma with an aqueous solution, thereby forming ammonia from the nitrogen gas and water. The nitrogen gas-containing plasma is present in an electrochemical cell. The electrochemical cell includes a container including an acidic liquid electrolyte. The electrochemical cell also includes a source of nitrogen gas, a metal electrode at least partially immersed in the electrolyte, a metal tube electrode spaced apart from a surface of the electrolyte by a predetermined spacing. The electrochemical cell is configured to provide a plasma spanning the predetermined space from the metal tube electrode to contact the surface of the electrolyte when power is applied to the metal tube electrode.

Zero-Gap Reactor for Carbon Dioxide Conversion Including Metal Nanoclusters, and Carbon Dioxide Conversion Method Using the Same
20230183871 · 2023-06-15 ·

Provided are a carbon dioxide conversion method exhibiting excellent conversion rate and selectivity using a zero-gap reactor including metal nanoclusters, and a system capable of exhibiting excellent conversion performance even in a flue gas having a low concentration of carbon dioxide.

ANODE ASSEMBLY, CONTACT STRIPS, ELECTROCHEMICAL CELL, AND METHODS TO USE AND MANUFACTURE THEREOF

Provided herein are anode assembly, conductive contact strips, electrochemical cells containing the anode assembly and the conductive contact strips, and methods to use and manufacture the same, where the anode assembly includes a plurality of V-shaped, U-shaped, or Z-shaped elements positioned outside the anode shell and in electrical contact with the anode.

ANODE ASSEMBLY, CONTACT STRIPS, ELECTROCHEMICAL CELL, AND METHODS TO USE AND MANUFACTURE THEREOF

Provided herein are anode assembly, conductive contact strips, electrochemical cells containing the anode assembly and the conductive contact strips, and methods to use and manufacture the same, where the anode assembly includes a plurality of V-shaped, U-shaped, or Z-shaped elements positioned outside the anode shell and in electrical contact with the anode.

Composite flow plate for electrolytic cell

A flow plate for use as an anode current collector in an electrolytic cell for the production of hydrogen from water is provided. The flow plate comprises a channel plate and a cover plate. A front face of the channel plate is provided with a flow field pattern of open-faced channels defined by depressed portions alternating with elevated portions. The cover plate made of a material that is corrosion resistant in an anodic environment of water electrolysis. The cover plate is arranged parallel on top of the channel plate and in electrical contact with the front face thereof. The cover plate is further provided with a pattern of through-going apertures alternating with closed portions, and the closed portions cover at least the elevated portions of the channel plate.

Composite flow plate for electrolytic cell

A flow plate for use as an anode current collector in an electrolytic cell for the production of hydrogen from water is provided. The flow plate comprises a channel plate and a cover plate. A front face of the channel plate is provided with a flow field pattern of open-faced channels defined by depressed portions alternating with elevated portions. The cover plate made of a material that is corrosion resistant in an anodic environment of water electrolysis. The cover plate is arranged parallel on top of the channel plate and in electrical contact with the front face thereof. The cover plate is further provided with a pattern of through-going apertures alternating with closed portions, and the closed portions cover at least the elevated portions of the channel plate.

ELECTROCHEMICAL SYNTHESIS METHOD AND DEVICE
20170335474 · 2017-11-23 · ·

The present invention relates to a method for producing at least one product by electrochemical synthesis on a directly electrically-heated working electrode (1), in which at least one educt reacts on the heated working electrode (1) to the at least one product. The invention also relates to the use of a directly electrically-heated working electrode (1) for the electrochemical synthesis of at least one product. The invention relates in particular to a working electrode (1), particularly in the form of a three-dimensional, preferably conical spiral, designed for the electrochemical synthesis. Another object of the invention is the synthesis/regeneration of an enzymatic cofactor on a working electrode (1) according to the invention.

ELECTROCHEMICAL SYNTHESIS METHOD AND DEVICE
20170335474 · 2017-11-23 · ·

The present invention relates to a method for producing at least one product by electrochemical synthesis on a directly electrically-heated working electrode (1), in which at least one educt reacts on the heated working electrode (1) to the at least one product. The invention also relates to the use of a directly electrically-heated working electrode (1) for the electrochemical synthesis of at least one product. The invention relates in particular to a working electrode (1), particularly in the form of a three-dimensional, preferably conical spiral, designed for the electrochemical synthesis. Another object of the invention is the synthesis/regeneration of an enzymatic cofactor on a working electrode (1) according to the invention.

Magnesium-based alloy and use of same in the production of electrodes and the electrochemical synthesis of struvite
11668015 · 2023-06-06 · ·

A novel magnesium-based alloy is described. The alloy is particularly suitable for the construction of electrodes, especially anodes, that can be used for an electrochemical process, such as the synthesis of struvite. The magnesium-based alloy is an AZXY alloy in which A is aluminium and Z is zinc, X represents the content, expressed in wt. %, of the first element, and Y the content, expressed in wt. %, of the second element. The AZXY alloy according to the invention has 2%≤X≤4% and 0.5%≤Y≤2%, and an iron (Fe) content of less than 0.005%, and preferably less than 0.003%. The anodes constituted by this novel alloy have a much slower corrosion speed and improved performances compared to existing anodes. An electrode cartridge comprising said alloy and suitable for being inserted into an electrolytic reactor so as to form, once assembled, an electrocoagulation unit, is also described.

Magnesium-based alloy and use of same in the production of electrodes and the electrochemical synthesis of struvite
11668015 · 2023-06-06 · ·

A novel magnesium-based alloy is described. The alloy is particularly suitable for the construction of electrodes, especially anodes, that can be used for an electrochemical process, such as the synthesis of struvite. The magnesium-based alloy is an AZXY alloy in which A is aluminium and Z is zinc, X represents the content, expressed in wt. %, of the first element, and Y the content, expressed in wt. %, of the second element. The AZXY alloy according to the invention has 2%≤X≤4% and 0.5%≤Y≤2%, and an iron (Fe) content of less than 0.005%, and preferably less than 0.003%. The anodes constituted by this novel alloy have a much slower corrosion speed and improved performances compared to existing anodes. An electrode cartridge comprising said alloy and suitable for being inserted into an electrolytic reactor so as to form, once assembled, an electrocoagulation unit, is also described.