The invention relates to an apparatus and a method for performing electrolysis with an originally oxygen-containing alkali hydroxide solution as an electrolyte precursor, wherein the pressure and temperature of the alkali hydroxide solution and the O.sub.2 content thereof are set.

The invention relates to an apparatus and a method for performing electrolysis with an originally oxygen-containing alkali hydroxide solution as an electrolyte precursor, wherein the pressure and temperature of the alkali hydroxide solution and the O.sub.2 content thereof are set.

One variation of an electrolyzer system includes a skid loaded with a set of modules including a feed-supply module, configured to generate a feed mixture of carbon dioxide and water, and, an electrolysis module including: a cell stack arranged within an insulated housing and configured to receive metered volumes of the feed mixture from the feed-supply module to generate a fuel mixture of syngas, water, and carbon dioxide via electrolysis; and a set of heating elements configured to regulate temperature of the cell stack within a target temperature range and regulate temperatures of the feed mixture, the air mixture, and the fuel mixture within the insulated housing. The skid can further include: a processing module configured to extract syngas from the fuel mixture received from the electrolysis module; and a power module configured to drive a voltage across the cell stack to promote electrolysis of the feed mixture.

One variation of an electrolyzer system includes a skid loaded with a set of modules including a feed-supply module, configured to generate a feed mixture of carbon dioxide and water, and, an electrolysis module including: a cell stack arranged within an insulated housing and configured to receive metered volumes of the feed mixture from the feed-supply module to generate a fuel mixture of syngas, water, and carbon dioxide via electrolysis; and a set of heating elements configured to regulate temperature of the cell stack within a target temperature range and regulate temperatures of the feed mixture, the air mixture, and the fuel mixture within the insulated housing. The skid can further include: a processing module configured to extract syngas from the fuel mixture received from the electrolysis module; and a power module configured to drive a voltage across the cell stack to promote electrolysis of the feed mixture.

A system for improving efficiency of an internal combustion engine includes an electronic controller generating an RF signal and an electrolysis reactor electrically connected to the electronic controller. The electrolysis reactor includes a plurality of substantially parallel plates arranged in a stack. The plurality of plates includes a central positive plate, a first positive end plate, and a second positive end plate. The plurality of plates also includes a first negative plate located in the stack equidistantly between the central positive plate and the first positive end plate, and a second negative plate located in the stack equidistantly between the central positive plate and the second positive end plate. The plurality of plates further includes a plurality of neutral plates. The system also includes an aqueous solution flowing through the electrolysis reactor, the solution containing an electrolyte.

A carbon dioxide electrolytic device according to an embodiment includes: an electrolysis cell including a reduction electrode, an oxidation electrode, a gas flow path supplying gas containing CO.sub.2 to the reduction electrode, a liquid flow path supplying an electrolytic solution containing water to the oxidation electrode, and a diaphragm separating the reduction electrode from the oxidation electrode; a first supply path connected to the gas flow path; a first discharge path connected to the gas flow path; a first moisture content detecting unit installed in the first discharge path to detect a moisture content in the gas flowing in the first discharge path; a moisture content adjusting unit configured to adjust a moisture content supplied to the reduction electrode; and a control unit configured to control the moisture content adjusting unit based on a detection signal of the first moisture content detecting unit.

A carbon dioxide electrolytic device according to an embodiment includes: an electrolysis cell including a reduction electrode, an oxidation electrode, a gas flow path supplying gas containing CO.sub.2 to the reduction electrode, a liquid flow path supplying an electrolytic solution containing water to the oxidation electrode, and a diaphragm separating the reduction electrode from the oxidation electrode; a first supply path connected to the gas flow path; a first discharge path connected to the gas flow path; a first moisture content detecting unit installed in the first discharge path to detect a moisture content in the gas flowing in the first discharge path; a moisture content adjusting unit configured to adjust a moisture content supplied to the reduction electrode; and a control unit configured to control the moisture content adjusting unit based on a detection signal of the first moisture content detecting unit.

A system for controlling an electrochemical production process includes a variable controllable power circuit and an electrolytic cell. The cell includes two electrodes and operates in different states dependent on the potential difference across the electrodes. The system includes a power circuit controller that causes the power circuit to apply a given potential difference across the electrodes to initiate operation of the cell in the one of multiple possible states associated with the given potential difference. The possible states include a production state associated with a first non-zero potential difference in which a product of interest is produced, and an idle state associated with a second non-zero potential difference in which the product of interest is not produced. A monitoring and control subsystem maintains a predefined set of production process conditions, including a predefined operating temperature range, while the cell operates in both the production state and the idle state.

A system for controlling an electrochemical production process includes a variable controllable power circuit and an electrolytic cell. The cell includes two electrodes and operates in different states dependent on the potential difference across the electrodes. The system includes a power circuit controller that causes the power circuit to apply a given potential difference across the electrodes to initiate operation of the cell in the one of multiple possible states associated with the given potential difference. The possible states include a production state associated with a first non-zero potential difference in which a product of interest is produced, and an idle state associated with a second non-zero potential difference in which the product of interest is not produced. A monitoring and control subsystem maintains a predefined set of production process conditions, including a predefined operating temperature range, while the cell operates in both the production state and the idle state.

A system for improving efficiency of an internal combustion engine includes an electronic controller generating an RF signal and an electrolysis reactor electrically connected to the electronic controller. The electrolysis reactor includes a plurality of substantially parallel plates arranged in a stack. The plurality of plates includes a central positive plate, a first positive end plate, and a second positive end plate. The plurality of plates also includes a first negative plate located in the stack equidistantly between the central positive plate and the first positive end plate, and a second negative plate located in the stack equidistantly between the central positive plate and the second positive end plate. The plurality of plates further includes a plurality of neutral plates. The system also includes an aqueous solution flowing through the electrolysis reactor, the solution containing an electrolyte.