WO2023095201A1 - Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse - Google Patents

Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse Download PDF

Info

Publication number
WO2023095201A1
WO2023095201A1 PCT/JP2021/042970 JP2021042970W WO2023095201A1 WO 2023095201 A1 WO2023095201 A1 WO 2023095201A1 JP 2021042970 W JP2021042970 W JP 2021042970W WO 2023095201 A1 WO2023095201 A1 WO 2023095201A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrolyte membrane
porous
electrode
reduction
carbon dioxide
Prior art date
Application number
PCT/JP2021/042970
Other languages
English (en)
Japanese (ja)
Inventor
紗弓 里
裕也 渦巻
晃洋 鴻野
武志 小松
Original Assignee
日本電信電話株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電信電話株式会社 filed Critical 日本電信電話株式会社
Priority to PCT/JP2021/042970 priority Critical patent/WO2023095201A1/fr
Publication of WO2023095201A1 publication Critical patent/WO2023095201A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/23—Carbon monoxide or syngas
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/25—Reduction
    • C25B3/26—Reduction of carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded

Definitions

  • the present invention relates to a porous electrode-supported electrolyte membrane and a method for producing a porous electrode-supported electrolyte membrane.
  • Devices related to the technology for reducing carbon dioxide include a reduction device using artificial photosynthesis technology and a reduction device using electrolytic reduction technology.
  • Artificial photosynthesis technology is a technology that advances the oxidation reaction of water and the reduction reaction of carbon dioxide by irradiating an oxidation electrode made of a photocatalyst with light.
  • the electrolytic reduction technique is a technique for advancing the oxidation reaction of water and the reduction reaction of carbon dioxide by applying a voltage between an oxidation electrode and a reduction electrode made of metal.
  • Artificial photosynthesis technology using sunlight and electrolytic reduction technology using electricity derived from renewable energy can recycle carbon dioxide into hydrocarbons such as carbon monoxide, formic acid, and ethylene, and alcohols such as methanol and ethanol. has attracted attention as a technology capable of
  • Non-Patent Document 1 In artificial photosynthesis technology and carbon dioxide electrolytic reduction technology, a reaction system has been used in which a reduction electrode is immersed in an aqueous solution, and carbon dioxide dissolved in the aqueous solution is supplied to the reduction electrode for reduction (Non-Patent Document 1 , 2).
  • this method for reducing carbon dioxide there are limits on the concentration of carbon dioxide dissolved in the aqueous solution and the diffusion coefficient of carbon dioxide in the aqueous solution, and the amount of carbon dioxide supplied to the reduction electrode is limited.
  • Non-Patent Document 3 by using a reaction apparatus having a structure that can supply gaseous carbon dioxide to the reduction electrode, the amount of carbon dioxide supplied to the reduction electrode increases, and the reduction reaction of carbon dioxide is promoted. be done.
  • the present invention has been made in view of the above, and suppresses the leakage of the aqueous solution to the porous reduction electrode through the electrolyte membrane, so that the porous reduction electrode and the electrolyte membrane can maintain the performance of carbon dioxide reduction.
  • the purpose is to improve the period.
  • One aspect of the present invention is a porous electrode-supported electrolyte membrane used in a gas phase reduction apparatus for reducing carbon dioxide, comprising an electrolyte membrane and a porous reduction electrode embedded in the electrolyte membrane. A part of the porous reduction electrode is exposed on a predetermined surface of the porous electrode-supported electrolyte membrane.
  • One aspect of the present invention is a method for producing a porous electrode-supported electrolyte membrane used in a gas-phase reduction apparatus for reducing carbon dioxide, comprising: impregnating a porous reduction electrode with an electrolyte membrane dispersion; The method includes a step of drying the membrane dispersion to prepare an electrolyte membrane in which the porous reduction electrode is embedded, and a step of scraping the surface of the electrolyte membrane to expose a part of the porous reduction electrode.
  • the present invention it is possible to suppress the leakage of the aqueous solution to the porous reduction electrode through the electrolyte membrane, and improve the period during which the porous reduction electrode and the electrolyte membrane can maintain the performance of carbon dioxide reduction.
  • FIG. 1 is a cross-sectional view showing a configuration example of a porous electrode-supported electrolyte membrane of this embodiment.
  • FIG. 2 is a flow chart showing an example of a method for producing a porous electrode-supported electrolyte membrane.
  • FIG. 3 is an explanatory diagram for explaining the step of scraping the surface of the porous electrode-supported electrolyte membrane.
  • FIG. 4 is a diagram showing a configuration example of a gas-phase reduction apparatus for carbon dioxide provided with a porous electrode-supported electrolyte membrane.
  • a porous electrode-supported electrolyte membrane 20 of this embodiment will be described with reference to the cross-sectional view of FIG.
  • a porous electrode-supported electrolyte membrane 20 of the present embodiment includes an electrolyte membrane 6 and a porous reduction electrode 5 embedded in the electrolyte membrane 6 .
  • the illustrated porous electrode-supported electrolyte membrane 20 has the porous reduction electrode 5 embedded inside the electrolyte membrane 6 .
  • a part of the embedded porous reduction electrode 5 is exposed on a predetermined surface (one surface) of the electrolyte membrane 6 .
  • the porous reduction electrode 5 is configured using a porous body (porous material) having a plurality of fine pores (pores).
  • the pores of the porous reduction electrode 5 include communicating pores through which carbon dioxide can reach the interface with the electrolyte membrane 6 through the porous reduction electrode 5 .
  • the porous reduction electrode 5 may contain closed pores.
  • the shape of the cross section of the hole is not limited to the circle shown in FIG. 1, and may be various shapes.
  • a porous metal having a mesh structure may be used for the porous reduction electrode 5 .
  • the pores of the porous reduction electrode 5 of this embodiment are filled with the electrolyte membrane 6 .
  • a three-phase interface consisting of [electrolyte membrane--porous reduction electrode--gas phase carbon dioxide] is formed.
  • the porous reduction electrode 5 may include pores not filled with the electrolyte membrane 6, such as closed pores.
  • the porous reduction electrode 5 does not have to be exposed in its entirety, as long as a part of the porous reduction electrode 5 is exposed on a predetermined surface (surface).
  • a predetermined surface of the porous electrode-supported electrolyte membrane 20 is arranged in the vapor phase reduction device 100 so as to be on the reduction tank 4 side of the vapor phase reduction device 100, which will be described later.
  • the porous reduction electrode 5 is an electrode using a porous body (porous material).
  • the porous reduction electrode 5 includes, for example, a porous body containing copper, platinum, gold, silver, indium, palladium, gallium, nickel, tin, cadmium, or alloys thereof; silver oxide, copper oxide, copper (II) oxide, A porous body containing nickel oxide, indium oxide, tin oxide, tungsten oxide, tungsten (VI) oxide, copper oxide, or the like; or a porous body containing a porous metal complex having a metal ion and an anionic ligand may be used. .
  • electrolyte membrane 6 for example, Nafion (registered trademark), Phor Blue, Aquivion, etc., which are perfluorocarbon materials having a carbon-fluorine skeleton, can be used.
  • step S1 the porous reduction electrode 5 is impregnated with the electrolyte dispersion.
  • step S2 the electrolyte dispersion in which the porous reduction electrode 5 is impregnated is dried to produce the electrolyte membrane 6 in which the porous reduction electrode 5 is embedded.
  • step S3 one surface of the electrolyte membrane 6 in which the porous reduction electrode 5 is embedded is shaved to expose a portion of the porous reduction electrode 5. Specifically, as shown in FIG. 3, the surface of the electrolyte membrane 6 in which the porous reduction electrode 5 is embedded is cut to form a surface on which the porous reduction electrode 5 is exposed, thereby supporting the porous electrode. A type electrolyte membrane 20 is produced.
  • Techniques for scraping the surface of the electrolyte membrane 6 include polishing with abrasives (sandpaper, whetstone, etc.), sandblasting, chemical etching, laser processing, and the like.
  • the vapor-phase reduction apparatus 100 includes the porous electrode-supported electrolyte membrane 20 of this embodiment.
  • the gas-phase reduction device 100 shown in FIG. 4 is a reduction device that uses artificial photosynthesis technology to reduce carbon dioxide by light irradiation.
  • the gas-phase reduction apparatus 100 includes an oxidation tank 1 and a reduction tank 4, which are formed by dividing the internal space in the housing into two by the porous electrode-supported electrolyte membrane 20. That is, the porous electrode-supported electrolyte membrane 20 is arranged between the oxidation tank 1 and the reduction tank 4 .
  • the porous electrode-supported electrolyte membrane 20 is arranged with the exposed surface of the porous reduction electrode 5 facing the reduction tank 4 .
  • the oxidation tank 1 is filled with an aqueous solution 3.
  • An oxidation electrode 2 made of a semiconductor or a metal complex is inserted into an aqueous solution 3 .
  • oxidation electrode 2 compounds exhibiting photoactivity and redox activity, such as nitride semiconductors, titanium oxide, amorphous silicon, ruthenium complexes, rhenium complexes, etc., can be used.
  • the oxidation electrode 2 is electrically connected to the porous reduction electrode 5 by a conductor 7 .
  • an aqueous potassium hydrogen carbonate solution for example, an aqueous potassium hydrogen carbonate solution, an aqueous sodium hydrogen carbonate solution, an aqueous potassium chloride solution, an aqueous sodium chloride solution, an aqueous sodium hydroxide solution, an aqueous potassium hydroxide solution, an aqueous rubidium hydroxide solution, an aqueous cesium hydroxide solution, or the like can be used.
  • Helium gas is supplied to the aqueous solution 3 from the tube 8 during the reduction reaction.
  • the reduction tank 4 is supplied with carbon dioxide from the gas inlet 10 and filled with carbon dioxide or a gas containing carbon dioxide.
  • the light source 9 is arranged facing the oxidation electrode 2 to drive the vapor phase reduction device 100 . That is, the light source 9 is arranged so that the oxidation electrode 2 is irradiated with light.
  • the light source 9 is, for example, a xenon lamp, a simulated solar light source, a halogen lamp, a mercury lamp, sunlight, or the like.
  • the light source 9 may be configured by combining these.
  • light energy is used as the energy for operating the gas phase reduction reactor 100, but it is not limited to this, and electrical energy, thermal energy, or renewable energy may be used.
  • Examples 1-4 were prepared by changing the pore size of the porous reduction electrode 5, and the gas phase reduction test described later was performed. gone.
  • the porous electrode-supported electrolyte membranes of Examples 1-4 are described below.
  • Example 1 a copper porous metal plate having a thickness of 0.2 mm, a pore diameter of 5 ⁇ m, and a porosity of 50% was used as the porous reduction electrode 5 .
  • a porous reduction electrode 5 was produced by molding a porous metal plate into a predetermined size (30 mm x 30 mm). Then, this porous reduction electrode 5 was fitted into a rectangular parallelepiped mold (inner dimensions: 30 mm ⁇ 30 mm ⁇ 1 mm).
  • step S1 the Nafion solution was dripped onto the rectangular parallelepiped at 460 ⁇ l/cm 2 so as to completely cover the porous reduction electrode 5 .
  • the porous reduction electrode 5 was impregnated with the Nafion solution (electrolyte dispersion solution), and the pores of the porous reduction electrode 5 were filled with the electrolyte membrane 6 .
  • step S2 the cuboid in which the porous reduction electrode 5 was impregnated with the Nafion solution was left at 25°C for 10 hours under the saturated vapor pressure of ethanol to dry the Nafion solution.
  • an electrolyte membrane 6 Nafion membrane in which the porous reduction electrode 5 was embedded was obtained.
  • step S3 as shown in FIG. 3, one surface of the electrolyte membrane 6 in which the porous reduction electrode 5 is embedded is scraped with sandpaper to expose the porous reduction electrode 5 on the surface, thereby forming a surface as shown in FIG. A porous electrode-supported electrolyte membrane 20 was produced.
  • Example 2 a copper porous body having a thickness of 0.2 mm, a pore diameter of 10 ⁇ m, and a porosity of 50% was used as the porous reduction electrode 5 .
  • Other conditions are the same as in Example 1.
  • Example 3 a copper porous body having a thickness of 0.2 mm, a pore diameter of 50 ⁇ m, and a porosity of 50% was used as the porous reduction electrode 5 .
  • Other conditions are the same as in Example 1.
  • Example 4 a copper porous body having a thickness of 0.2 mm, a pore diameter of 500 ⁇ m, and a porosity of 50% was used as the porous reduction electrode 5 .
  • Other conditions are the same as in Example 1.
  • the oxidation tank 1 was filled with the aqueous solution 3.
  • Aqueous solution 3 was a 1.0 mol/L potassium hydroxide aqueous solution.
  • the oxidation electrode 2 was installed in the oxidation tank 1 so as to be submerged in the aqueous solution 3.
  • a semiconductor photoelectrode manufactured as follows was used as the oxidation electrode 2 .
  • a thin film of GaN, which is an n-type semiconductor, and AlGaN were epitaxially grown in this order on a sapphire substrate, Ni was vacuum-deposited on AlGaN, and heat treatment was performed to form a NiO promoter thin film to produce a semiconductor photoelectrode.
  • a 300 W high pressure xenon lamp (wavelength of 450 nm or more was cut, illuminance 6.6 mW/cm 2 ) was used.
  • the light source 9 was fixed so that the surface of the oxidation electrode 2 on which the oxidation co-catalyst was formed became the irradiation surface.
  • the light irradiation area of the oxidation electrode 2 was set to 3.6 cm 2 .
  • He Helium
  • CO 2 carbon dioxide
  • the reduction reaction of carbon dioxide can proceed at the three-phase interface of [electrolyte membrane-copper-gas phase carbon dioxide] in the porous electrode-supported electrolyte membrane 20 .
  • the light source 9 was used to uniformly irradiate the oxidation electrode 2 with light. Electrons flow between the oxidation electrode 2 and the porous reduction electrode 5 due to light irradiation.
  • the current value between the oxidation electrode 2 and the porous reduction electrode 5 during light irradiation was measured using an electrochemical measuring device (1287 type potentiogalvanostat manufactured by Solartron). Further, the gas and liquid in the oxidation tank 1 and the reduction tank 4 were sampled at arbitrary times during the light irradiation, and the reaction products were analyzed with a gas chromatograph, a liquid chromatograph, and a gas chromatograph-mass spectrometer. As a result, it was confirmed that oxygen was produced in the oxidation tank 1, and hydrogen, carbon monoxide, formic acid, methanol and ethanol were produced in the reduction tank 4.
  • Comparative Example 1 a porous electrode-supported electrolyte membrane was produced by thermally compressing the electrolyte membrane 6 and the porous reduction electrode 5 . Comparative Example 1 was arranged as the porous electrode-supported electrolyte membrane 20 of the gas phase reduction apparatus 100 of FIG. 4, and the same test as in Example 1-4 was conducted.
  • the porous reduction electrode 5 was made of a copper porous material having a thickness of 0.2 mm, a pore diameter of 500 ⁇ m, and a porosity of 50%, and the electrolyte membrane 6 was made of Nafion, which is a proton exchange membrane.
  • the porous reduction electrode 5 was overlaid on the electrolyte membrane 6 and placed between two copper plates. Then, this sample is placed between a thermocompression bonding device (hot press machine), and thermocompression bonding is performed by applying pressure in a direction perpendicular to the surface of the porous reduction electrode 5 at a heating temperature of 100°C. left for a minute. After that, the sample was quickly cooled and taken out to obtain a porous electrode-supported electrolyte membrane in which the electrolyte membrane 6 and the porous reduction electrode 5 were joined.
  • a thermocompression bonding device hot press machine
  • Table 1 shows the Faradaic efficiency of the carbon dioxide reduction reaction after 1 hour and the Faradaic efficiency maintenance rate of the carbon dioxide reduction reaction after 100 hours for Examples 1 to 4 and Comparative Example 1.
  • the Faraday efficiency indicates the ratio of the current value used for each reduction reaction to the current value flowing between the electrodes during light irradiation or voltage application.
  • Faradaic efficiency [%] of each reduction reaction (charge consumed in each reduction reaction)/(charge flowing between oxidation electrode and reduction electrode) ⁇ 100 (6)
  • the "electric charge consumed in each reduction reaction” in Equation (6) can be obtained by converting the measured amount of the reaction product of each reduction reaction into the electric charge required for the reduction reaction.
  • the amount of reaction product of each reduction reaction is A [mol]
  • the number of electrons required for the reduction reaction is Z
  • the Faraday constant is F [C/mol]
  • the “charge consumed in each reduction reaction” is expressed by the formula ( 7).
  • Example 1-4 and Comparative Example 1 are compared with respect to the Faraday efficiency maintenance rate of the carbon dioxide reduction reaction after 100 hours.
  • the example showed a higher Faraday efficiency maintenance rate of the carbon dioxide reduction reaction after 100 hours than the comparative example.
  • Comparative Example 1 when liquid was sampled from the exposed surface of the porous reduction electrode 5 and the inside of the reduction tank 4 after 100 hours and subjected to component analysis, about 0.14 to 0.15 mL of the aqueous solution in the oxidation tank 1 exuded. I knew there was This is probably because the electrolyte membrane 6 swelled because the porous reduction electrode 5 was not embedded in the electrolyte membrane 6 .
  • the electrolyte membrane 6 becomes swollen with excess water, and the aqueous solution in the oxidation tank 1 permeates through the electrolyte membrane 6 to the reduction tank 4 side. It is considered that the aqueous solution covered the surface of the porous reduction electrode 5 to which gaseous carbon dioxide should be originally supplied, and the life of the carbon dioxide reduction reaction was shortened.
  • Example 1-4 it was found that the seepage of the aqueous solution in the oxidation tank 1 was suppressed to about 0.03 to 0.05 mL. Therefore, it is considered that the structure in which the porous reduction electrode 5 is embedded in the electrolyte membrane 6 suppresses the swelling of the electrolyte membrane 6, suppresses the permeation of the aqueous solution, and improves the maintenance rate of the carbon dioxide reduction reaction. .
  • the porous reduction electrode 5 is embedded in the electrolyte membrane 6, and the porous reduction electrode 5 is exposed on one side of the porous electrode-supported electrolyte membrane 20. It is possible to suppress the seepage of the aqueous solution of the oxidation tank 1 through the gaseous phase reduction of carbon dioxide, and to extend the life of the vapor phase reduction of carbon dioxide.
  • the porous electrode-supported electrolyte membrane 20 of the present embodiment is used in a gas-phase reduction apparatus for reducing carbon dioxide, and includes the electrolyte membrane 6 and the porous reduction electrode 5 embedded in the electrolyte membrane 6. and a portion of the porous reduction electrode 5 is exposed on a predetermined surface of the porous electrode-supported electrolyte membrane 20 .
  • the method for producing a porous electrode-supported electrolyte membrane according to the present embodiment is used in a gas phase reduction apparatus for reducing carbon dioxide, and includes a step of impregnating the porous reduction electrode 5 with an electrolyte membrane dispersion (step S1). a step of drying the electrolyte membrane dispersion to prepare an electrolyte membrane 6 in which the porous reduction electrode 5 is embedded (step S2); and a step of exposing (step S3).
  • the seepage of the aqueous solution of the oxidation tank 1 through the electrolyte membrane 6 can be suppressed, and the life of the gas phase reduction reaction of carbon dioxide can be improved.
  • the porous reduction electrode 5 is embedded in the electrolyte membrane 6 and the porous reduction electrode 5 serves as a template to suppress swelling of the electrolyte membrane 6 .
  • a porous electrode-supported electrolyte membrane 20 is prepared by exposing the porous reduction electrode 5 on one side of the electrolyte membrane 6 .
  • the porous electrode-supported electrolyte membrane 20 is placed in the gas phase reduction apparatus 100 with the exposed surface of the porous reduction electrode 5 facing the reduction tank 4 .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

L'invention concerne une membrane électrolytique de support d'électrode poreuse (20) destinée à être utilisée dans un dispositif de réduction de gaz pour réduire le dioxyde de carbone, la membrane électrolytique de support d'électrode poreuse (20) comprenant une membrane électrolytique (6) et une électrode de réduction poreuse (5) incorporée dans la membrane électrolytique (6), une partie de l'électrode de réduction poreuse (5) étant exposée au niveau d'une surface prescrite de la membrane électrolytique de support d'électrode poreuse (20).
PCT/JP2021/042970 2021-11-24 2021-11-24 Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse WO2023095201A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/042970 WO2023095201A1 (fr) 2021-11-24 2021-11-24 Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/042970 WO2023095201A1 (fr) 2021-11-24 2021-11-24 Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse

Publications (1)

Publication Number Publication Date
WO2023095201A1 true WO2023095201A1 (fr) 2023-06-01

Family

ID=86539052

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/042970 WO2023095201A1 (fr) 2021-11-24 2021-11-24 Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse

Country Status (1)

Country Link
WO (1) WO2023095201A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0285387A (ja) * 1988-09-20 1990-03-26 Japan Gore Tex Inc イオン交換樹脂含有シート状電極材料、その複合材料並びにその製造方法
US5084144A (en) * 1990-07-31 1992-01-28 Physical Sciences Inc. High utilization supported catalytic metal-containing gas-diffusion electrode, process for making it, and cells utilizing it
JPH06267555A (ja) * 1993-03-10 1994-09-22 Mitsubishi Electric Corp 電気化学デバイス
JPH08213027A (ja) * 1994-12-08 1996-08-20 Japan Gore Tex Inc 電気化学装置用電極とその製造方法
WO2012118065A1 (fr) * 2011-02-28 2012-09-07 国立大学法人長岡技術科学大学 Système et procédé de réduction et d'immobilisation de dioxyde de carbone et procédé de production de ressources en carbone utiles
US20190292668A1 (en) * 2018-03-22 2019-09-26 Sekisui Chemical Co., Ltd. Carbon dioxide reduction apparatus and method of producing organic compound

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0285387A (ja) * 1988-09-20 1990-03-26 Japan Gore Tex Inc イオン交換樹脂含有シート状電極材料、その複合材料並びにその製造方法
US5084144A (en) * 1990-07-31 1992-01-28 Physical Sciences Inc. High utilization supported catalytic metal-containing gas-diffusion electrode, process for making it, and cells utilizing it
JPH06267555A (ja) * 1993-03-10 1994-09-22 Mitsubishi Electric Corp 電気化学デバイス
JPH08213027A (ja) * 1994-12-08 1996-08-20 Japan Gore Tex Inc 電気化学装置用電極とその製造方法
WO2012118065A1 (fr) * 2011-02-28 2012-09-07 国立大学法人長岡技術科学大学 Système et procédé de réduction et d'immobilisation de dioxyde de carbone et procédé de production de ressources en carbone utiles
US20190292668A1 (en) * 2018-03-22 2019-09-26 Sekisui Chemical Co., Ltd. Carbon dioxide reduction apparatus and method of producing organic compound

Similar Documents

Publication Publication Date Title
Pan et al. Electrochemical CO 2 reduction to methane with remarkably high Faradaic efficiency in the presence of a proton permeable membrane
JP7121318B2 (ja) 二酸化炭素の気相還元装置及び二酸化炭素の気相還元方法
JP5753641B2 (ja) 二酸化炭素還元装置および二酸化炭素を還元する方法
CN113493917B (zh) 二氧化碳电解池用电极催化剂层、及具备其的电解池和二氧化碳电解用电解装置
JP5779240B2 (ja) 太陽光燃料電池
JP5641489B2 (ja) アルコールを生成する方法
JP6997376B2 (ja) 二酸化炭素還元装置
JP2009238442A (ja) ＰｔＲｕ触媒の製造方法、該製造方法により製造させた触媒、該触媒を用いた燃料電池および膜電極接合体
WO2023095201A1 (fr) Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse
WO2023095203A1 (fr) Procédé de production d'une membrane électrolytique supportant une électrode poreuse
WO2022244234A1 (fr) Membrane électrolytique de support d'électrode poreuse et procédé de production de membrane électrolytique de support d'électrode poreuse
WO2023095193A1 (fr) Membrane électrolytique de support d'électrode poreuse et procédé de production d'une membrane électrolytique de support d'électrode poreuse
US20240183046A1 (en) Porous Electrode-Supported Electrolyte Membrane and Method for Manufacturing Same
WO2021234908A1 (fr) Dispositif de réduction en phase vapeur pour dioxyde de carbone et méthode de production d'une membrane électrolytique supportée par une électrode poreuse
WO2022249276A1 (fr) Dispositif de réduction de phase gazeuse pour dioxyde de carbone et procédé de réduction de phase gazeuse pour dioxyde de carbone
WO2023084683A1 (fr) Membrane électrolytique
JP2017020094A (ja) 反応処理方法および装置
JP7356067B2 (ja) 二酸化炭素の気相還元装置、および、二酸化炭素の気相還元方法
WO2023238394A1 (fr) Photoélectrode semi-conductrice au nitrure
WO2022113277A1 (fr) Dispositif de réduction en phase gazeuse pour le dioxyde de carbone et procédé de production d'une membrane électrolytique supportée par une électrode de réduction poreuse
WO2022118364A1 (fr) Procédé de fabrication d'électrode de réduction portée sur film d'électrolyte
WO2023084682A1 (fr) Membrane électrolytique et procédé de fabrication de membrane électrolytique
WO2024116235A1 (fr) Appareil de réduction de phase gazeuse pour dioxyde de carbone
JP2019151877A (ja) 二酸化炭素の還元方法および二酸化炭素還元装置
WO2022249314A1 (fr) Dispositif de réduction de dioxyde de carbone

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21965575

Country of ref document: EP

Kind code of ref document: A1