WO2018199665A1 - Système et procédé de conversion de dioxyde de carbone à l'aide d'une interface liquide-liquide et d'un catalyseur donneur-accepteur d'électrons - Google Patents

Système et procédé de conversion de dioxyde de carbone à l'aide d'une interface liquide-liquide et d'un catalyseur donneur-accepteur d'électrons Download PDF

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WO2018199665A1
WO2018199665A1 PCT/KR2018/004879 KR2018004879W WO2018199665A1 WO 2018199665 A1 WO2018199665 A1 WO 2018199665A1 KR 2018004879 W KR2018004879 W KR 2018004879W WO 2018199665 A1 WO2018199665 A1 WO 2018199665A1
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catalyst
electrolyte solution
carbon dioxide
liquid
electron donor
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Korean (ko)
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이혜진
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경북대학교 산학협력단
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/02—Formic acid
    • 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
    • C25B1/02—Hydrogen or oxygen
    • 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
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • 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
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
    • C25B11/095—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds at least one of the compounds being organic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0656—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

Definitions

  • the present invention relates to a carbon dioxide conversion system using a liquid-liquid interface and an electron donor-receiving catalyst. Specifically, the present invention relates to an electrolyte solution for forming a liquid-liquid interface composed of an aqueous-organic device that is not mixed with each other, and to each of the aqueous and organic systems. It relates to a carbon dioxide conversion system using a liquid-liquid interface and an electron donor-catalyst catalyst, characterized in that the carbon dioxide is reduced by the included electron acceptor and donor catalyst to produce a carbon compound and a hydrogen gas.
  • Carbon dioxide conversion technology through electrochemical reduction is a technology to reduce the carbon dioxide to a useful carbon compound through the movement of electrons by generating a potential difference between the electrodes by the input of electrical energy, can perform the carbon dioxide reduction reaction at room temperature and atmospheric pressure conditions, For example, the only raw materials required for the reaction are water and carbon dioxide, so that the chemicals are not discharged by recycling the electrolyte. Moreover, the process has a simple advantage.
  • the electrolyte solution to form a liquid-liquid interface consisting of an aqueous-organic, including an organic electrolyte solution and a water-soluble electrolyte solution that is not mixed with each other, and each of the aqueous-organic device of the electrolyte solution
  • the liquid-liquid interface and electrons are used to easily reduce carbon dioxide in the organic electrolyte solution without the use of electrodes to form carbonaceous formic acid, formate, or mixtures thereof with hydrogen gas.
  • the problem is to provide a carbon dioxide conversion system using a donor-catalyst catalyst.
  • the present invention also provides a method for converting carbon dioxide using a liquid-liquid interface and an electron donor-receiving catalyst.
  • Another object of the present invention is to provide a fuel cell manufactured using the carbon dioxide conversion system.
  • An electrolyte solution which forms a liquid-liquid interface consisting of an aqueous-organic system, including a water-soluble electrolyte solution and an organic electrolyte solution that are not mixed with each other; An electron acceptor catalyst contained in the aqueous electrolyte solution; And an electron donor catalyst included in the organic electrolyte solution, wherein the carbon dioxide injected into the organic electrolyte solution is reduced to the electron donor and acceptor catalyst. It provides a carbon dioxide conversion system used.
  • the carbon dioxide conversion system comprises an electrolyte solution to form a liquid-liquid interface consisting of an aqueous-organic, including an organic electrolyte solution and a water-soluble electrolyte solution that is not mixed with each other, an electron acceptor contained in each of the electrolyte solution of the aqueous-organic and By including an electron donor catalyst, as well as improving the solubility of carbon dioxide in the organic electrolyte solution, it facilitates electron transfer and hydrogen ion diffusion at the liquid-liquid interface.
  • the present invention by easily reducing the carbon dioxide by the electron donor-receptor catalyst in the organic electrolyte solution, to produce formic acid, formate or a mixture thereof in the organic electrolyte solution, and at the same time in the aqueous electrolyte solution Hydrogen gas is generated.
  • FIG. 1 schematically shows a carbon dioxide conversion system according to the present invention.
  • FIG. 2 shows cyclic voltammetry (CV) graphs of hydrogen gas and formate generated in a carbon dioxide conversion system according to an embodiment of the present invention.
  • FIG. 3 is a graph of hydrogen gas and a formate produced in a carbon dioxide conversion system according to an embodiment of the present invention in a time-zone ammeter (Chronoamperometry) graph.
  • Figure 4 shows the degree of carbon dioxide reduction in a cyclic voltammetry (CV) graph with or without an electron donor-receptor catalyst according to an embodiment of the present invention.
  • Figure 5 is shown as a Chronoamperometry graph (b), with or without an electron donor-receptor catalyst according to an embodiment of the present invention.
  • FIG. 6 and 7 illustrate hydrogen gas generation and carbon dioxide reduction according to a cyclic voltammetry (CV) graph according to an embodiment of the present invention according to the pH and the presence of an aqueous catalyst.
  • CV cyclic voltammetry
  • FIG. 8 is a graph illustrating hydrogen gas generation and carbon dioxide reduction according to pH and aqueous catalysts according to an embodiment of the present invention in a time-zone current graph.
  • 9 to 11 are graphs illustrating cyclic voltammetry (CV) graphs of carbon dioxide reduction depending on whether or not a catalyst is included in an organic phase, including the catalyst Co (dmgH) 2 PyCl in an aqueous phase, and according to an embodiment of the present invention. It is shown in the Chronoamperometry graph.
  • CV cyclic voltammetry
  • An electrolyte solution which forms a liquid-liquid interface consisting of an aqueous-organic system, including a water-soluble electrolyte solution and an organic electrolyte solution that are not mixed with each other;
  • a carbon dioxide conversion system using a liquid-liquid interface and an electron donor-catalyst catalyst characterized in that carbon dioxide injected into the organic electrolyte solution is reduced to the electron donor and acceptor catalyst.
  • FIG. 1 schematically shows a carbon dioxide conversion system according to the present invention.
  • the electrolyte solution includes a water-soluble electrolyte solution and an organic electrolyte solution that are not mixed with each other, and thus, the water-soluble electrolyte solution and the organic electrolyte. It is characterized by forming a liquid-liquid interface consisting of an aqueous-organic machine at the surface where the solution abuts.
  • the aqueous electrolyte solution includes an electrolyte capable of providing hydrogen ions, and the electrolyte is not particularly limited, but is preferably H 2 SO 4 , HClO 4 , HCl or KHCO 3 .
  • the organic electrolyte solution is a tetrabutylammonium tetrakis (pentafluorophenyl) as the electrolyte of the organic electrolyte solution using a relatively organic solvent of 1,2-dichloroethane, heptane, propylene carbonate, 1,2-dichlorohexane, or octanol CO 2 solubility ) borate (TBATB), tetrahexyl-ammonium tetrakis (pentafluorophenyl) borate (THATB), tetraoctylammonium tetrakis (pentafluorophenyl) borate (TOATB), tetrabutylammonium perchlorate (TBAClO 4 ), tetraoctylammonium perchlorate (TOAClO 4 ), tetrabutylammonphenyl tetraphenylium
  • the liquid-liquid interface consisting of an aqueous-organic system including the aqueous electrolyte solution and the organic electrolyte solution, is preferably an aqueous electrolyte solution containing HCl as an electrolyte, and tetrakis (pentafluorophenyl) borate (TOATB) in 1,2-dichloroethane. It is characterized by forming a liquid-liquid interface consisting of an aqueous-organic organic solvent solution is not mixed with each other as an organic electrolyte solution containing a) as an electrolyte.
  • the liquid-liquid interface of the formed non-mixed aqueous-organic machinery serves as a separator, as well as the movement of electrons by the electron acceptor and donor catalyst included in each of the aqueous-organic electrolyte solutions and the hydrogen generated in the aqueous electrolyte solution. It serves as a diffusion migration pathway for ions.
  • the electron acceptor and donor catalyst included in each of the aqueous-organic electrolyte solution are included in the carbon dioxide conversion system of the present invention to easily reduce carbon dioxide without using an electrode, and in detail, the electron acceptor catalyst is an aqueous electrolyte solution. Included in, the electron donor catalyst is characterized in that it is included in the organic electrolyte solution.
  • the electron acceptor catalyst and the electron donor catalyst included in the aqueous and organic electrolyte solutions exchange electrons through the liquid-liquid interface consisting of the aqueous-organic devices which are not mixed with each other.
  • the carbon dioxide is converted into a carbon compound and hydrogen gas is generated together with the hydrogen ions of the aqueous electrolyte solution diffused through the liquid-liquid interface.
  • the electron acceptor catalyst and the electron donor catalyst are hydrophilic and lipophilic, respectively, and transmit and receive only electrons through the liquid-liquid interface, which are not mixed with each other, and the movement of the catalyst itself is not performed.
  • the electron donor and electron acceptor catalysts are organometallic complexes.
  • the metals of the organometallic complexes are selected from Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Cr, Mo, W, Zn and Cd. It is characterized in that any one or more of the metals.
  • the carbon compound produced by carbon dioxide conversion is formic acid, formate, or a mixture thereof, and hydrogen gas is also generated together with the carbon compound.
  • the carbon dioxide is injected into the organic electrolyte solution, thereby significantly improving the solubility of carbon dioxide compared to the case where carbon dioxide is injected into the conventional aqueous electrolyte solution.
  • the carbon dioxide injected into the organic electrolyte solution is contained in each of the aqueous and organic electrolyte solutions and hydrogen ions diffused from the aqueous electrolyte solution through the liquid-liquid interface consisting of the non-mixed aqueous-organic, and the liquid-liquid interface. It is reduced in the organic electrolyte solution by the electron acceptor and donor catalyst for transmitting and receiving electrons to form formic acid, formate or a mixture thereof as a carbon compound, and at the same time generates a hydrogen gas in the aqueous electrolyte solution.
  • the carbon dioxide conversion system using the liquid-liquid interface and the electron donor-receiving catalyst includes an electrolyte solution that forms a liquid-liquid interface composed of an aqueous-organic system, including an organic electrolyte solution and a water-soluble electrolyte solution that are not mixed with each other.
  • an electrolyte solution that forms a liquid-liquid interface composed of an aqueous-organic system, including an organic electrolyte solution and a water-soluble electrolyte solution that are not mixed with each other.
  • a carbon dioxide conversion method using a liquid interface and an electron donor-receive catalyst is provided.
  • the first step is to form a non-mixing liquid-liquid interface consisting of an aqueous-organic, in detail, a liquid consisting of an aqueous-organic by introducing a non-mixing aqueous electrolyte solution and an organic electrolyte solution into the electrolyte solution compartment. -Forming a liquid interface.
  • the aqueous electrolyte solution includes an electrolyte capable of providing hydrogen ions, the electrolyte is not particularly limited, but is characterized in that H 2 SO 4 , HClO 4 , HCl or KHCO 3 .
  • the organic electrolyte solution is a tetrabutylammonium tetrakis (pentafluorophenyl) as the electrolyte of the organic electrolyte solution using a relatively organic solvent of 1,2-dichloroethane, heptane, propylene carbonate, 1,2-dichlorohexane, or octanol CO 2 solubility ) borate (TBATB), tetrahexyl-ammonium tetrakis (pentafluorophenyl) borate (THATB), tetraoctylammonium tetrakis (pentafluorophenyl) borate (TOATB), tetrabutylammonium perchlorate (TBAClO 4 ), tetraoctylammonium perchlorate (TOAClO 4 ), tetrabutylammonphenyl tetraphenylium
  • the liquid-liquid interface consisting of an aqueous-organic system including the aqueous electrolyte solution and the organic electrolyte solution, is preferably an aqueous electrolyte solution containing HCl as an electrolyte, and tetrakis (pentafluorophenyl) borate (TOATB) in 1,2-dichloroethane. It is characterized by forming a liquid-liquid interface consisting of an aqueous-organic organic solvent solution is not mixed with each other as an organic electrolyte solution containing a) as an electrolyte.
  • the liquid-liquid interface of the formed non-mixed aqueous-organic machinery serves as a separator, as well as the movement of electrons by the electron acceptor and donor catalyst included in each of the aqueous-organic electrolyte solutions and the hydrogen generated in the aqueous electrolyte solution. It serves as a diffusion migration pathway for ions.
  • a second step is adding an electron acceptor catalyst to the aqueous electrolyte solution and adding an electron donor catalyst to the organic electrolyte solution.
  • the electron acceptor and donor catalyst included in each of the aqueous-organic electrolyte solution are added to the electrolyte solution to easily reduce carbon dioxide without using an electrode, and the electrons are passed through the liquid-liquid interface consisting of the non-mixed aqueous-organic devices.
  • the electron acceptor catalyst and the electron donor catalyst are hydrophilic and lipophilic, respectively, and exchange only electrons through the liquid-liquid interface which does not mix with each other, and the movement of the catalyst itself is not achieved. It features.
  • the electron donor and electron acceptor catalyst is an organometallic complex
  • the metal of the organometallic complex is Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Cr, Mo, W, Zn And at least one metal selected from Cd.
  • the third step is supplying carbon dioxide to the organic electrolyte solution to reduce the electron donor and acceptor catalyst, thereby producing a carbon compound in the organic electrolyte solution and hydrogen gas in the aqueous electrolyte solution.
  • carbon dioxide is supplied to the organic electrolyte solution and easily reduced to the electron donor and acceptor catalyst, thereby producing formic acid, formate or a mixture thereof in which carbon dioxide is converted to a carbon compound in the organic electrolyte solution.
  • Hydrogen gas is produced in the aqueous electrolyte solution.
  • carbon dioxide is supplied to the organic electrolyte solution, and hydrogen ions diffused from the aqueous electrolyte solution through the liquid-liquid interface consisting of the non-mixed aqueous-organic solution, and the liquid contained in each of the aqueous and organic electrolyte solutions.
  • -Formic acid, formate or a mixture thereof is produced in the organic electrolyte solution by reducing carbon dioxide in the organic electrolyte solution by an electron acceptor and an electron donor catalyst which exchanges electrons through the liquid interface, and at the same time a water-soluble electrolyte Hydrogen gas is produced in the solution.
  • a fuel cell manufactured using a carbon dioxide conversion system using the electrochemical cell.
  • the electron acceptor catalyst will be represented as Ru (Bpy) 3 .
  • 2 is a cyclic voltammetry (CV) graph, where 1 is Nu (4,4'-dmbpy) (pyS) 2 in Organic Phase, and 2 is Ru (Bpy) 3 in Water Phase and Ni (4). , 4 'dmbpy) (pyS) 2 in Organic Phase, 3 is Ru (Bpy) 3 in Water Phase and Ni (4,4' dmbpy) (pyS) 2 in Organic Phase with Ar Purging, 4 is Ru (Bpy) ) 3 in Water Phase and Ni (4,4 'dmbpy) (pyS) 2 in Organic Phase with CO2 purged in OP.
  • CV cyclic voltammetry
  • Figure 3 is a Chronoamperometry graph, it can be seen that carbon dioxide is reduced by the system to form a formate.
  • FIGS. 4 and 5 the effect of the electron donor-receptor catalyst on carbon dioxide reduction is shown in FIGS. 4 and 5 by analyzing the cyclic voltammetry and the time-zone current method (Chronoamperometry).
  • Figure 4 is a graph showing the cyclic voltammetry before and after the conversion of carbon dioxide according to the electron donor-receptor catalyst in the carbon dioxide conversion system
  • 1 is 50 ⁇ M Ni (4,4 'dmbpy) (pyS) 2 in Organic Phase
  • 2 are 50 ⁇ M Ru (Bpy) 3 and 50 ⁇ M Ni (4,4 'dmbpy) (pyS) 2
  • 3 means Without Molecular Catalyst.
  • the organic electron donor catalyst is Ni (4,4'dmobpy) (pyS) 2 and ferrocene (Ferrocene, Fc) to reduce carbon dioxide depending on the pH and the presence of the electron acceptor catalyst in the aqueous phase, and thus hydrogen and po Mates were analyzed and shown in FIGS. 6-8.
  • 1 in Figure 6 is H2 evolution
  • 2 is H2 evolution (After 300 ⁇ CV scan)
  • 3 means CO 2 purged (After 300 ⁇ CV scan).
  • 1 denotes H2 evolution (After 300 ⁇ CV scan)
  • 2 denotes CO2 red (After 150 ⁇ CV scan)
  • 3 denotes CO2 red (After 150 ⁇ CV scan).
  • the catalyst on the aqueous electrolyte solution is Co (dmgH) 2 PyCl, containing no catalyst in the organic system or Ru (bpy) 3 as the catalyst to analyze the carbon dioxide reduction and the resulting gas in each case.
  • 9 to 11 are shown.
  • 1 ⁇ ⁇ means 4elec 10 mM HCl_ 10 ⁇ M Co_after 30 min CO2 1 ⁇ 10, respectively
  • in Figure 10 1 ⁇ ⁇ means 4elec 10 mM HCl_ 10 ⁇ M Co_10 ⁇ M Ru after 30 min CO2 (op ) Means 1 to 10.
  • carbon monoxide may be generated in the water system.

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Abstract

La présente invention concerne un système et un procédé de conversion de dioxyde de carbone à l'aide d'une interface liquide-liquide et d'un catalyseur donneur-accepteur d'électrons, où le système produit un composé carboné et du gaz hydrogène par réduction du dioxyde de carbone à l'aide d'une solution catalytique formant une interface liquide-liquide comprenant des phases eau-organique non mêlées, et des catalyseurs donneurs et accepteurs d'électrons contenus dans les phases aqueuse et organique respectives.
PCT/KR2018/004879 2017-04-27 2018-04-26 Système et procédé de conversion de dioxyde de carbone à l'aide d'une interface liquide-liquide et d'un catalyseur donneur-accepteur d'électrons WO2018199665A1 (fr)

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CN109705168A (zh) * 2019-01-16 2019-05-03 云南师范大学 一种双核镍配位化合物及其制备方法与应用

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Publication number Priority date Publication date Assignee Title
CN109705168A (zh) * 2019-01-16 2019-05-03 云南师范大学 一种双核镍配位化合物及其制备方法与应用
CN109705168B (zh) * 2019-01-16 2021-02-05 云南师范大学 一种双核镍配位化合物及其制备方法与应用

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