Abstract: An electrochemical reaction device in an embodiment includes: an electrochemical reaction cell including a first accommodation part for accommodating carbon dioxide, a second accommodation part for accommodating an electrolytic solution containing water, or water vapor, a diaphragm provided between the first accommodation part and the second accommodation part, a reduction electrode arranged in the first accommodation part, and an oxidation electrode arranged in the second accommodation part; a detection unit detecting a reaction amount in the electrochemical reaction cell; a regulation unit regulating an amount of the carbon dioxide to be supplied to the first accommodation part; and a control unit controlling the regulation unit based on a detection signal of the detection unit.

Abstract: A model-based control method includes: (a) acquiring temperature control data including temperature data of each of a plurality of zones of a temperature control member provided in a processing apparatus, temperature of each of the plurality of zones being individually controllable; (b) for each zone, specifying a temperature of another zone that is weight-averaged by a weighting coefficient determined according to a magnitude of heat transfer with the another zone; (c) for each zone, specifying a parameter of a state-space model of multi-input/single-output using the specified temperature of the another zone and the temperature control data; (d) creating a state-space model of multi-input/multi-output by assigning the specified parameter of the state-space model of multi-input/single-output to each element of the state-space model of multi-input/multi-output; and (e) controlling the temperature of each of the plurality of zones of the temperature control member using the state-space model of multi-input/mult

Abstract: An ammonia manufacturing apparatus includes: an electrochemical reaction unit including a first electrolytic bath for accommodating a first electrolytic solution, an oxidation electrode disposed in the first electrolytic bath, a second electrolytic bath for accommodating a second electrolytic solution containing nitrogen, an ammonia producing catalyst, and a reducing agent, a reduction electrode disposed in the second electrolytic bath, and a diaphragm, and configured to reduce nitrogen by the ammonia producing catalyst and the reducing agent in the second electrolytic bath to produce ammonia, and reduce the reducing agent oxidized due to the production of ammonia, at the reduction electrode by connecting the oxidation electrode and the reduction electrode to a power supply; a nitrogen supply unit including a nitrogen supply part for dissolving nitrogen in the second electrolytic solution; and an ammonia separation unit including a separation part configured to separate ammonia from the second electrolytic so

Abstract: The embodiments provide a method to produce an electrode catalyst layer for reduction of carbon dioxide. The catalyst layer is made to exhibit high partial current density and to endure a long-term operation by controlling the wettability. The catalyst layer comprises a metallic catalyst supported on carbon material, an ion-conductive material, and a hydrophilic polymer; and is characterized in that a BET specific surface area (AN2) of said catalyst layer determined by nitrogen gas-adsorption and a BET specific surface area (AH2O) of said catalyst layer determined by water vapor-adsorption are in a ratio (AH2O/AN2) of 0.08 or less.

Abstract: An electrolysis device of an embodiment includes: a first electrolysis cell including a first tank equipped with a reduction electrode and producing a water-soluble gas, a second tank equipped with an oxidation electrode, and a diaphragm; a gas-liquid contact device bringing at least one of the water-soluble gas and its water-soluble substance produced in the first reaction tank into contact with a liquefaction recovery agent containing at least one of an electrolytic solution to produce a liquefied substance of the water-soluble gas; a first gas-liquid separator separating a gas-liquid mixture containing the liquefied substance of the water-soluble gas into liquid containing the liquefied substance of the water-soluble gas and gas; a distiller separating the liquid from the first gas-liquid separator into the liquefied substance of the water-soluble gas and an electrolytic solution component; and a pipe returning the solution component from the distiller to an electrolytic solution storage part.

Abstract: An information processing method, an information processing system, and a recording medium are provided.

Abstract: An electrolysis device in an embodiment includes an electrolysis cell including: a cathode chamber in which a reduction electrode is arranged and to which a gaseous substance to be reduced is supplied; an anode chamber in which an oxidation electrode is arranged and to which a substance to be oxidized in a liquid state or in a state of vaporized liquid is supplied; and a diaphragm provided between the cathode chamber and the anode chamber. At least one of the reduction electrode and the diaphragm includes a composite containing at least an inorganic oxide fine particle and an organic polymer material which binds the inorganic oxide fine particle.

Abstract: A carbon dioxide electrolytic device includes an electrolysis cell including: an anode configured to oxidize water to produce oxygen; a cathode configured to reduce carbon dioxide to produce carbon compound; a cathode flow path plate having a surface provided in contact with the cathode and a cathode flow path provided on the surface and facing to the cathode; and a separator provided between the anode and the cathode. The surface has a hydrophilic region provided on the cathode and having a contact angle to water of less than 45 degrees.

Abstract: Provided is a data analysis system, a data analysis device, a data analysis method, and a recording medium. The data analysis system includes: a first data conversion device configured to conceal first data on a first product manufactured in a first manufacturing system and output the first data as first concealed data; and a data analysis device configured to select an element of the first concealed data that affects second data on a second product manufactured using the first product by evaluating a degree of influence between the first concealed data and the second data.

Abstract: An electrolysis system includes: an electrolysis cell having an anode to oxidize an oxidizable material to produce an anode product, a cathode to reduce a reducible material to produce a cathode product, a diaphragm between the anode and the cathode, a first flow path plate having an anode flow path facing on the anode and through which an anode fluid containing the oxidizable material flows, and a second flow path plate having a cathode flow path facing on the cathode and through which a cathode fluid containing the reducible material flows, the anode, the cathode, the diaphragm, the first flow path, and the second flow path being stacked in a first direction; a rotary shaft disposed on the opposite side of the cathode from the diaphragm and extending along a second direction; and a driving device to rotate the electrolysis cell around the rotary shaft.

Abstract: An electrochemical reaction device comprises: an anode to oxidize water; an electrolytic solution flow path facing on the anode and through which an electrolytic solution containing the water flows; a cathode including: a porous conductive layer having first and second surfaces; and a reduction catalyst layer having a third surface disposed on the first surface and containing a reduction catalyst to reduce carbon dioxide; a separator between the anode and the cathode; a power supply connected to the anode and the cathode; and a flow path plate including: a fourth surface on the second surface; and a flow path facing on the second surface and through which the carbon dioxide flows. A ratio of an area of an overlap of the second surface and the flow path to an area of the second surface is 0.5 or more and 0.85 or less.

Abstract: A plasma processing method includes (a) acquiring emission intensity of radicals generated by ionization of a processing gas within a chamber by a sensor that detects emission intensity within the chamber, in a plasma processing in which supplying of the processing gas to the chamber and exhausting of inside of the chamber are periodically repeated; (b) acquiring a target setting value of the emission intensity; and (c) calculating a processing condition of the plasma processing which brings the emission intensity closer to the setting value, based on the emission intensity acquired by (a) and the setting value acquired by (b).

Abstract: A carbon dioxide electrolysis device, includes: an anode configured to oxidize water or a hydroxide ion and thus generate oxygen; an anode solution flow path configured to supply an anode solution to the anode; a cathode configured to reduce carbon dioxide to generate a carbon compound; a gas flow path configured to supply a gas to the cathode, the gas containing carbon dioxide; a diaphragm provided between the anode and the cathode and including a porous film with a hydrophilic polymer supported thereon; and a protective member provided between the anode and the diaphragm and protecting the diaphragm.

Abstract: An electrochemical reaction device in an embodiment includes: an electrochemical reaction cell including a first accommodation part for accommodating carbon dioxide, a second accommodation part for accommodating an electrolytic solution containing water, or water vapor, a diaphragm provided between the first accommodation part and the second accommodation part, a reduction electrode arranged in the first accommodation part, and an oxidation electrode arranged in the second accommodation part, a detection unit detecting a reaction amount in the electrochemical reaction cell; a regulation unit regulating an amount of the carbon dioxide to be supplied to the first accommodation part, and a control unit controlling the regulation unit based on a detection signal of the detection unit.

Abstract: An ammonia manufacturing apparatus of an embodiment includes: an electrochemical reaction cell including: a first reaction tank in which a reduction electrode is arranged and gaseous nitrogen is supplied; a second reaction tank in which an oxidation electrode is arranged and an electrolytic solution containing water or water vapor is supplied; and a diaphragm provided between the first reaction tank and the second reaction tank. In the ammonia manufacturing apparatus of the embodiment, the reduction electrode includes a reduction catalyst that reduces nitrogen to produce ammonia, a porous carbon material that supports the reduction catalyst, and an organic polymer material that binds the porous carbon material. The porous carbon material has pores with a BET average pore size of 1 nm or more and 15 nm or less.

Abstract: An electrochemical reaction device in an embodiment includes: a reaction unit including a first accommodation part to accommodate carbon dioxide and a second accommodation part to accommodate an electrolytic solution containing water; a reduction electrode to reduce the carbon dioxide; an oxidation electrode to oxidize the water; a power supply to pass current between the reduction electrode and the oxidation electrode; a pressure regulator to regulate a pressure in the first accommodation part; a reaction product detector to detect at least one of an amount and a kind of a substance produced at the reduction electrode; and a controller to control the pressure regulator based on a detection signal of the reaction product detector.

Abstract: 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 CO2 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.

Abstract: A CO2 electrolyzing method may include: supplying gas containing CO2 and/or a first electrolytic solution (ES) containing CO2 to a first accommodation part (AP) of an electrolysis cell so the gas or first ES contacts a reduction electrode in the first AP, the electrolysis cell including the reduction electrode, an oxidation electrode, the first AP, and a second AP; supplying a second ES containing water and CO2, HCO3-, and/or CO32- to the second AP so the second ES contacts the oxidation electrode in the second AP, the oxidation electrode including a conductive metal substrate and oxidation catalyst layer thereon, of a 20 to 70 mass% Fe, balance Ni, a nickel and iron bonding state in the composite body including Ni(OH)2, NiOOH, and FeOOH; supplying an electric current to the reduction and oxidation electrode, to reduce the CO2 in the reduction electrode and produce a carbon compound.

Abstract: A model-based control method includes: (a) acquiring temperature control data including temperature data of each of a plurality of zones of a temperature control member provided in a processing apparatus, temperature of each of the plurality of zones being individually controllable; (b) for each zone, specifying a temperature of another zone that is weight-averaged by a weighting coefficient determined according to a magnitude of heat transfer with the another zone; (c) for each zone, specifying a parameter of a state-space model of multi-input/single-output using the specified temperature of the another zone and the temperature control data; (d) creating a state-space model of multi-input/multi-output by assigning the specified parameter of the state-space model of multi-input/single-output to each element of the state-space model of multi-input/multi-output; and (e) controlling the temperature of each of the plurality of zones of the temperature control member using the state-space model of multi-input/mult

Abstract: A carbon dioxide electrolytic device includes an electrolysis cell including: an anode configured to oxidize water to produce oxygen; a cathode configured to reduce carbon dioxide to produce carbon compound; a cathode flow path plate having a surface provided in contact with the cathode and a cathode flow path provided on the surface and facing to the cathode; and a separator provided between the anode and the cathode. The surface has a hydrophilic region provided on the cathode and having a contact angle to water of less than 45 degrees.