WO2024009857A1 - 電気化学セルおよびその製造方法 - Google Patents

電気化学セルおよびその製造方法 Download PDF

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Publication number
WO2024009857A1
WO2024009857A1 PCT/JP2023/023891 JP2023023891W WO2024009857A1 WO 2024009857 A1 WO2024009857 A1 WO 2024009857A1 JP 2023023891 W JP2023023891 W JP 2023023891W WO 2024009857 A1 WO2024009857 A1 WO 2024009857A1
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working electrode
counter electrode
electrochemical cell
polymer resin
electrode
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English (en)
French (fr)
Japanese (ja)
Inventor
裕規 辰巳
信彦 松田
翔太 木下
篤人 太田
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Denso Corp
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Denso Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/50—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

Definitions

  • the present disclosure relates to an electrochemical cell and a method of manufacturing the same.
  • Patent Document 1 proposes an electrochemical cell used in a carbon dioxide recovery system that separates carbon dioxide (CO 2 ) from a gas containing carbon dioxide (CO 2 ) by an electrochemical reaction.
  • an electrochemical reaction in which CO 3 2- is generated from CO 2 by supplying a carbon dioxide-containing gas to the cathode while applying a potential difference between the cathode and the anode of an electrochemical cell;
  • An electrochemical reaction occurs in which CO 2 is produced from CO 3 2- .
  • a cathode and an anode are constructed by bonding an electrode film to a current collector, which is a porous conductive member.
  • the electrode film is configured to contain a binder in addition to the active material and the conductive additive.
  • the binder is a binding agent that assists in binding a current collector, an active material, a conductive agent, and the like.
  • PVDF polyvinylidene fluoride
  • the present disclosure aims to provide an electrochemical cell that can improve electrode performance and a method for manufacturing the same.
  • an electrochemical cell includes a working electrode that adsorbs and desorbs the recovered gas from a mixed gas containing the recovered gas through an electrochemical reaction;
  • a counter electrode that transfers electrons to and from the working electrode,
  • the electrode film constituting at least one of the working electrode and the counter electrode has an active material, a conductive aid, and a binder,
  • the binder contains a polymer resin,
  • the polymer resin is composed of carbon and a halogen element, or is composed of carbon, a halogen element, and oxygen.
  • the polymer resin contained in the binder that forms the electrode film is composed of carbon and halogen elements, or is composed of carbon, halogen elements and oxygen, the components contained in the mixed gas Decomposition of the binder can be suppressed. As a result, it becomes possible to improve the electrode performance of the electrochemical cell.
  • a method for manufacturing an electrochemical cell includes a working electrode that adsorbs and desorbs the gas to be recovered from a mixed gas containing the gas to be recovered through an electrochemical reaction; A counter electrode that transfers electrons to and from the working electrode, The working electrode constituent material that constitutes the electrode film of the working electrode contains a polymer resin,
  • a method for manufacturing an electrochemical cell in which the polymer resin is composed of carbon and halogen elements, or carbon, halogen elements and oxygen including a working electrode forming step of forming a working electrode,
  • the working electrode forming process is a mixing step of mixing working electrode constituent materials;
  • the method includes a heating step of heating the working electrode constituent materials mixed in the mixing step to the thermal decomposition temperature of the polymer resin.
  • the polymer resin contained in the working electrode constituent material is composed of carbon and halogen elements, or carbon, halogen elements and oxygen, the polymer resin is decomposed by the components contained in the mixed gas. This can be suppressed. As a result, it becomes possible to improve the electrode performance of the electrochemical cell.
  • a method for manufacturing an electrochemical cell includes a working electrode that adsorbs and desorbs the gas to be recovered from a mixed gas containing the gas to be recovered through an electrochemical reaction; A counter electrode that transfers electrons to and from the working electrode, The counter electrode constituent material that constitutes the counter electrode film contains a polymer resin,
  • the polymer resin is composed of carbon and halogen elements, or carbon, halogen elements and oxygen, including a counter electrode forming step of forming a counter electrode
  • the counter electrode forming process is a mixing step of mixing counter electrode constituent materials;
  • the method includes a compression step of compressing the counter electrode constituent materials mixed in the mixing step.
  • the polymer resin contained in the counter electrode constituent material is composed of carbon and halogen elements, or carbon, halogen elements and oxygen, the polymer resin is decomposed by the components contained in the mixed gas. can be suppressed. As a result, it becomes possible to improve the electrode performance of the electrochemical cell.
  • FIG. 1 is a conceptual diagram showing the overall configuration of a carbon dioxide recovery system in a first embodiment. It is an explanatory view showing a carbon dioxide recovery device in a 1st embodiment.
  • FIG. 1 is a cross-sectional view showing an electrochemical cell in a first embodiment.
  • FIG. 3 is a diagram showing a polymer resin contained in a working electrode side binder. It is a figure showing the relationship between the number of cycles and the amount of decomposition products with respect to the amount of carbon dioxide adsorption.
  • FIG. 3 is an explanatory diagram for explaining oxidative decomposition of PVDF in Comparative Example 1. It is a figure showing the surface of the working electrode side electrode film in a 1st embodiment.
  • FIG. 3 is a diagram showing the membrane structure of the working electrode side electrode membrane in the first embodiment.
  • 3 is a diagram showing the surface of a working electrode side electrode film in Comparative Example 2.
  • FIG. 3 is a diagram showing the membrane structure of a working electrode side electrode membrane in Comparative Example 2.
  • the carbon dioxide recovery system 10 of this embodiment is provided with a compressor 11, a carbon dioxide recovery device 100, a flow path switching valve 12, a carbon dioxide utilization device 13, and a control device 14.
  • Compressor 11 pumps carbon dioxide-containing gas to carbon dioxide recovery device 100 .
  • the carbon dioxide-containing gas is a mixed gas containing carbon dioxide and a gas other than carbon dioxide, and for example, the atmosphere can be used.
  • the carbon dioxide-containing gas contains at least oxygen (O 2 ) as a gas other than carbon dioxide.
  • the carbon dioxide recovery device 100 is a device that separates and recovers carbon dioxide from a carbon dioxide-containing gas.
  • the carbon dioxide recovery device 100 discharges carbon dioxide removed gas after carbon dioxide has been recovered from the carbon dioxide-containing gas, or carbon dioxide recovered from the carbon dioxide-containing gas.
  • the configuration of carbon dioxide recovery device 100 will be described in detail later.
  • the flow path switching valve 12 is a three-way valve that switches the flow path of the exhaust gas of the carbon dioxide recovery device 100.
  • the flow path switching valve 12 switches the flow path of the exhaust gas to the atmosphere side when carbon dioxide removal gas is discharged from the carbon dioxide recovery device 100, and switches the flow path of the exhaust gas to the atmosphere side when carbon dioxide is discharged from the carbon dioxide recovery device 100.
  • the exhaust gas flow path is switched to the carbon dioxide utilization device 13 side.
  • the carbon dioxide utilization device 13 is a device that utilizes carbon dioxide.
  • a storage tank that stores carbon dioxide or a conversion device that converts carbon dioxide into fuel can be used.
  • a conversion device a device that converts carbon dioxide into hydrocarbon fuel such as methane can be used.
  • the hydrocarbon fuel may be a gaseous fuel at normal temperature and normal pressure, or may be a liquid fuel at normal temperature and normal pressure.
  • the control device 14 is composed of a well-known microcomputer including a CPU, ROM, RAM, etc., and its peripheral circuits.
  • the control device 14 performs various calculations and processes based on a control program stored in the ROM, and controls the operations of various devices to be controlled.
  • the control device 14 of this embodiment performs operation control of the compressor 11, operation control of the carbon dioxide recovery device 100, flow path switching control of the flow path switching valve 12, and the like.
  • Electrochemical cell 101 has a working electrode 130, a counter electrode 140, and a separator 150.
  • the working electrode 130, the counter electrode 140, and the separator 150 are each formed into a plate shape.
  • the working electrode 130, the counter electrode 140, and the separator 150 are shown spaced apart from each other in FIG. 2, these components are actually arranged so as to be in contact with each other.
  • the electrochemical cell 101 may be housed in a container (not shown).
  • the container can be provided with a gas inlet that allows the carbon dioxide-containing gas to flow into the container, and a gas outlet that allows the carbon dioxide removal gas and carbon dioxide to flow out of the container.
  • the carbon dioxide recovery device 100 adsorbs and desorbs carbon dioxide through an electrochemical reaction, and separates and recovers carbon dioxide from a carbon dioxide-containing gas.
  • the carbon dioxide recovery device 100 is provided with a control power source 120 that applies a predetermined voltage to the working electrode 130 and the counter electrode 140, and can change the potential difference between the working electrode 130 and the counter electrode 140.
  • Working electrode 130 is a negative electrode
  • counter electrode 140 is a positive electrode.
  • the electrochemical cell 101 operates by changing the potential difference between the working electrode 130 and the counter electrode 140 to switch between a recovery mode in which carbon dioxide is recovered at the working electrode 130 and a release mode in which carbon dioxide is released from the working electrode 130. Can be done.
  • the recovery mode is a charging mode in which the electrochemical cell 101 is charged
  • the discharge mode is a discharging mode in which the electrochemical cell 101 is discharged.
  • the first voltage V1 is applied between the working electrode 130 and the counter electrode 140, and electrons are supplied from the counter electrode 140 to the working electrode 130.
  • working electrode potential At the first voltage V1, working electrode potential ⁇ counter electrode potential.
  • the first voltage V1 can be within a range of 0.5 to 2.0V, for example.
  • a second voltage V2 lower than the first voltage V1 is applied between the working electrode 130 and the counter electrode 140, and electrons are supplied from the working electrode 130 to the counter electrode 140.
  • the second voltage V2 only needs to be a voltage lower than the first voltage V1, and the magnitude relationship between the working electrode potential and the counter electrode potential is not limited. That is, in the release mode, the working electrode potential may be less than the counter electrode potential, the working electrode potential may be equal to the counter electrode potential, or the working electrode potential may be greater than the counter electrode potential.
  • the working electrode 130 in the electrochemical cell 101 has a working electrode side current collector 131 and a working electrode side electrode film 132.
  • the working electrode side current collector 131 is connected to the control power source 120 and is a porous conductive member through which carbon dioxide-containing gas can pass.
  • the working electrode side current collector 131 for example, a carbonaceous material or a metal material can be used.
  • a carbonaceous material constituting the working electrode side current collector 131 for example, carbon paper, carbon cloth, nonwoven carbon mat, porous gas diffusion layer (GDL), etc. can be used.
  • GDL porous gas diffusion layer
  • the metal material constituting the working electrode side current collector 131 a structure made of a metal such as Al, Ni, or SUS in a mesh shape can be used, for example.
  • the working electrode side electrode film 132 adsorbs and desorbs carbon dioxide from a carbon dioxide-containing gas through an electrochemical reaction.
  • the working electrode side electrode film 132 includes a carbon dioxide adsorbent, a working electrode side conductive agent, and a working electrode side binder.
  • the working electrode side binder will be explained in detail later.
  • a carbon dioxide adsorbent is an electroactive species (i.e., an active material) that adsorbs carbon dioxide by receiving electrons and desorbs the adsorbed carbon dioxide by releasing electrons.
  • an electroactive species i.e., an active material
  • carbon dioxide adsorbent for example, carbon materials, metal oxides, polyanthraquinone, etc. can be used.
  • the working electrode side conductive agent is a conductive material that forms a conductive path to the carbon dioxide adsorbent.
  • carbon materials such as carbon nanotubes, carbon black, and graphene can be used, for example.
  • the counter electrode 140 has a counter electrode current collector 141 and a counter electrode film 142.
  • the counter electrode current collector 141 is a conductive member connected to the control power source 120.
  • the counter electrode side current collector material 141 may be made of the same material as the working electrode side current collector material 131, or may be made of a different material.
  • the counter electrode film 142 exchanges electrons with the working electrode film 132.
  • the counter electrode film includes a counter active material, a counter conductive agent, and a counter binder. The opposite binder will be described in detail later.
  • the counter electrode active material is an auxiliary electroactive species that exchanges electrons with the carbon dioxide adsorbent.
  • the counter electrode side active material is a material that can transfer electrons in and out by changing the valence of the metal and transferring charges to and from the ⁇ electron cloud.
  • a metal complex that enables transfer of electrons by changing the valence of metal ions can be used.
  • the metal complex include cyclopentadienyl metal complexes such as ferrocene, nickelocene, and cobaltocene, and porphyrin metal complexes.
  • a compound having a ferrocene skeleton is used as the counter electrode side active material.
  • PVFc polyvinylferrocene
  • ferrocene which is polymerized ferrocene
  • the counter electrode conductive aid is a conductive material that forms a conductive path to the counter electrode active material.
  • the counter-electrode conductive additive is used in combination with the counter-electrode active material.
  • the counter electrode side conductive agent may be made of the same material as the working electrode side conductive agent, or may be made of a different material.
  • the counter electrode side conductive aid is, for example, in the form of particles.
  • the separator 150 is arranged between the working electrode film 132 and the counter electrode film 142.
  • the separator 150 separates the working electrode film 132 and the counter electrode film 142. That is, the separator 150 prevents physical contact between the working electrode film 132 and the counter electrode film 142. Moreover, the separator 150 suppresses electrical short circuit between the working electrode side electrode film 132 and the counter electrode side electrode film 142.
  • separator 150 a separator made of a cellulose membrane, a polymer, a composite material of polymer and ceramic, etc. can be used.
  • separator 150 a porous separator may be used.
  • An ion conductive member is provided between the working electrode membrane 132 and the separator 150 and between the counter electrode membrane 142 and the separator 150.
  • the ion conductive member facilitates electrical conduction to the carbon dioxide adsorbent.
  • an electrolytic solution is provided as the ion conductive member. More specifically, an ionic liquid is used as the electrolyte. Ionic liquids are liquid salts that are nonvolatile at room temperature and pressure.
  • the working electrode binder and the counter electrode side binder are holding materials that have adhesive strength.
  • the working electrode side binder holds the carbon dioxide adsorbent and the working electrode side conductive agent on the working electrode side current collector 131. Specifically, a mixture of a carbon dioxide adsorbent, a conductive agent on the working electrode side, and a binder on the working electrode side is formed, and the mixture is adhered to the current collector 131 on the working electrode side. The carbon dioxide adsorbent and the working electrode side conductive agent are held inside the working electrode side binder.
  • the working electrode side binder contains a polymer resin.
  • the polymer resin is composed of carbon and a halogen element, or is composed of carbon, a halogen element, and oxygen. That is, the working electrode side binder contains a polymer resin that does not contain hydrogen element (H).
  • FIG. 4 illustrates the polymer resin contained in the working electrode side binder of this embodiment.
  • the polymer resin includes at least one of PTFE (polytetrafluoroethylene), FEP (tetrafluoroethylene/hexafluoropropylene copolymer), PCTFE (polychlorotrifluoroethylene), and PFA (perfluoroalkoxyalkane). Contains.
  • the counter-electrode binder is a material that can hold the counter-electrode active material and the counter-electrode conductive aid on the counter-electrode current collector 141 and has electrical conductivity.
  • the binder on the opposite electrode side may be made of the same material as the binder on the working electrode side, or may be made of a different material. In this embodiment, PVDF is used as the opposite binder.
  • a working electrode side mixing step is performed in which working electrode constituent materials, which are the materials forming the working electrode side electrode film 132, are mixed.
  • the working electrode constituent material includes a carbon dioxide adsorbent, a working electrode side conductive agent, and a working electrode side binder.
  • a metal oxide is used as a carbon dioxide adsorbent
  • a carbon material is used as a conductive agent on the working electrode side
  • PTFE which is a polymer resin
  • the working electrode constituent materials are dispersed and mixed using a homogenizer or the like, and then dissolved in a solvent (that is, an organic solvent) to produce a mixture.
  • a solvent that is, an organic solvent
  • PTFE which is a binder on the working electrode side
  • NMP N-methylpyrrolidone
  • a heating step is performed in which the mixed working electrode constituent materials are heated to the thermal decomposition temperature of PTFE.
  • the mixed working electrode constituent materials are applied to the working electrode side current collector material 131 and then fired at 350°C.
  • the working electrode side electrode film 132 is formed on the surface of the working electrode side current collector material 131. In this way, the working electrode forming step is completed.
  • the present inventors investigated the amount of decomposition products relative to the amount of carbon dioxide adsorbed in carbon dioxide recovery using the electrochemical cell 101 including the working electrode 130 obtained in the above working electrode forming step. Specifically, the combination of the recovery mode and the release mode was defined as one cycle, and the amount of decomposition products relative to the amount of carbon dioxide adsorption in each cycle was measured.
  • the amount of decomposition products relative to the amount of carbon dioxide adsorption is the amount of decomposition products recovered relative to the amount of carbon dioxide adsorbed after one cycle of operation.
  • the decomposition product is a substance generated by decomposing the working electrode 130 and the counter electrode 140. It can be said that the smaller the amount of decomposition products relative to the amount of carbon dioxide adsorption, the more difficult it is for the working electrode 130 and counter electrode 140 of the electrochemical cell 101 to be decomposed.
  • Comparative Example 1 an electrochemical cell 101 was prepared in which PVDF was used as both the working electrode binder and the counter electrode binder. The results are shown in FIG.
  • the amount of decomposition products relative to the amount of carbon dioxide adsorption can be reduced by about 27% on average compared to Comparative Example 1. Therefore, by using PTFE as the working electrode side binder of the working electrode side electrode film 132, the working electrode 130 of the electrochemical cell 101 becomes difficult to decompose.
  • Comparative Example 1 PVDF is used for both the binder on the working electrode side and the binder on the counter electrode side, but the binding energy of the CH bond in PVDF is lower than the binding energy of the C-F bond in PTFE. . Therefore, as shown in FIG. 6, PVDF reacts with oxygen in the atmosphere, and the F element and H element contained in PVDF are desorbed as hydrogen fluoride. As a result, the working electrode side binder and the counter electrode side binder are decomposed, so that the working electrode 130 and the counter electrode 140 of the electrochemical cell 101 are easily decomposed.
  • PTFE which is the working electrode side binder
  • nanoparticles with an equivalent circle diameter of 1 ⁇ m or less.
  • the working electrode side electrode film 132 covered the entire surface of the working electrode side current collector material 131, and no exposure of the working electrode side current collector material 131 was confirmed. Further, as shown in FIG. 8, the working electrode side electrode film 132 had a uniform film structure.
  • Comparative Example 2 in the working electrode side mixing process, PTFE, which is a working electrode side binder, was dispersed and mixed as particles with an equivalent circle diameter of 5 ⁇ m. I looked into it.
  • Comparative Example 2 As shown in FIG. 9, there is a part where the working electrode side current collector 131 is exposed through the gap in the working electrode side electrode film 132, and the working electrode side electrode film 132 is exposed from the working electrode side current collector material 131. It was confirmed that the entire surface was not covered. Moreover, as shown in FIG. 10, coarse particles 300 of PTFE were present in the working electrode side electrode film 132, and the film structure was not formed homogeneously.
  • the polymer resin contained in the working electrode side binder of the working electrode side electrode film 132 is composed of carbon and halogen elements, or is composed of carbon and halogen elements. and oxygen.
  • the polymer resin contained in the working electrode side binder of the working electrode side electrode film 132 is composed of carbon and halogen elements, or is composed of carbon and halogen elements. and oxygen.
  • PTFE is used as the binder on the working electrode side.
  • the C--F bonds in PTFE are strong and resistant to oxidation. Therefore, it is possible to suppress decomposition of PTFE, which is a binder on the working electrode side, due to oxygen contained in the atmosphere.
  • an ionic liquid as an electrolyte is provided between the working electrode side electrode film 132 and the separator 150 and between the counter electrode side electrode film 142 and the separator 150.
  • the PTFE used as the working electrode side binder of this embodiment is difficult to swell due to voltage application even when an ionic liquid is provided as the electrolyte. Thereby, it is possible to suppress a decrease in durability and conductivity of the working electrode side electrode film 132.
  • the working electrode side electrode film 132 is formed after dispersing and mixing PTFE, which is the working electrode side binder, as nanoparticles with an equivalent circle diameter of 1 ⁇ m or less. .
  • PTFE which is the working electrode side binder
  • the second embodiment differs from the first embodiment in the configuration and manufacturing method of the counter electrode 140.
  • the counter electrode binder of the counter electrode film 142 contains the same polymer resin as the working electrode binder. That is, the polymer resin contained in the opposite electrode side binder is composed of carbon and a halogen element, or is composed of carbon, a halogen element, and oxygen. That is, the counter electrode side binder contains a polymer resin that does not contain hydrogen element.
  • the polymer resin contains at least one of PTFE, FEP, PCTFE, and PFA.
  • a counter electrode mixing step is performed in which counter electrode constituent materials, which are the materials forming the counter electrode film 142, are mixed.
  • the counter electrode constituent material includes a counter electrode side active material, a counter electrode side conductive agent, and a counter electrode side binder.
  • PVFc is used as the active material on the counter electrode side
  • carbon black is used as the conductive agent on the counter electrode side
  • PTFE which is a polymer resin
  • the counter electrode constituent materials are dispersed and mixed using a homogenizer or the like, and then dissolved in a solvent to produce a mixture.
  • PTFE which is a binder on the counter electrode side, is dispersed and mixed as nanoparticles having an equivalent circle diameter of 1 ⁇ m or less.
  • NMP N-methylpyrrolidone
  • a compression step is performed to compress the mixed counter electrode constituent materials.
  • the mixed counter electrode constituent material is compressed onto the counter electrode side current collector material 141 by press molding.
  • the counter electrode film 142 is formed on the surface of the counter electrode current collector 141 . In this way, the counter electrode forming step is completed.
  • the polymer resin contained in the counter electrode binder of the counter electrode film 142 is composed of carbon and halogen elements, or is composed of carbon, halogen elements, and oxygen. It is made up of. This can prevent the opposite electrode binder from being decomposed by components contained in the atmosphere. As a result, it becomes possible to improve the electrode performance of the electrochemical cell 101.
  • PVFc is used as the counter electrode side active material among the counter electrode constituent materials. Since PVFc is flammable, high-temperature firing cannot be performed in the counter electrode forming process.
  • the counter electrode forming step of the present embodiment includes a compression step of compressing the mixed counter electrode constituent material onto the counter electrode side current collector material 141.
  • the counter electrode film 142 can be formed on the surface of the counter electrode current collector 141 without performing high-temperature firing.
  • both the working electrode binder and the counter electrode binder, or the working electrode binder alone are made of carbon and a halogen element, or are made of carbon, a halogen element, and oxygen.
  • the embodiment is not limited to this embodiment.
  • the binder on the opposite electrode side may be composed of carbon and a halogen element, or may be composed of carbon, a halogen element, and oxygen.
  • PTFE was used as the working electrode side binder or the counter electrode side binder
  • the present invention is not limited to this aspect.
  • a substance containing a polymer resin other than PTFE such as a copolymer of PTFE and PVDF, may be used as the working electrode binder or the counter electrode binder. This makes it possible to achieve both film formability and durability in the electrode films 132 and 142.

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PCT/JP2023/023891 2022-07-08 2023-06-28 電気化学セルおよびその製造方法 Ceased WO2024009857A1 (ja)

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WO2012164912A1 (ja) * 2011-05-31 2012-12-06 パナソニック株式会社 二酸化炭素富化デバイス
US20210387139A1 (en) * 2020-06-11 2021-12-16 Verdox, Inc. Electroswing adsorption cell with patterned electrodes for separation of gas components
JP2022067545A (ja) * 2020-10-20 2022-05-06 株式会社デンソー 二酸化炭素回収システム
JP2022072977A (ja) * 2020-10-30 2022-05-17 株式会社デンソー 二酸化炭素回収システム
JP2023044999A (ja) * 2021-09-21 2023-04-03 株式会社デンソー 二酸化炭素回収システム

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US4159367A (en) * 1978-06-29 1979-06-26 Yardney Electric Corporation Hydrogen electrochemical cell and rechargeable metal-hydrogen battery
US6171726B1 (en) * 1998-12-24 2001-01-09 Energy Conversion Devices, Inc. Active electrode composition with nonfilbrillating binder
JP6455775B2 (ja) * 2014-04-24 2019-01-23 パナソニックＩｐマネジメント株式会社 イオン交換膜、前記イオン交換膜を備えるイオン交換膜積層体、前記イオン交換膜積層体を備える電気化学セル、及び前記電気化学セルを備える水処理装置

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Publication number Priority date Publication date Assignee Title
WO2012164912A1 (ja) * 2011-05-31 2012-12-06 パナソニック株式会社 二酸化炭素富化デバイス
US20210387139A1 (en) * 2020-06-11 2021-12-16 Verdox, Inc. Electroswing adsorption cell with patterned electrodes for separation of gas components
JP2022067545A (ja) * 2020-10-20 2022-05-06 株式会社デンソー 二酸化炭素回収システム
JP2022072977A (ja) * 2020-10-30 2022-05-17 株式会社デンソー 二酸化炭素回収システム
JP2023044999A (ja) * 2021-09-21 2023-04-03 株式会社デンソー 二酸化炭素回収システム

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