WO2024143271A1 - 電気化学セル - Google Patents

電気化学セル Download PDF

Info

Publication number
WO2024143271A1
WO2024143271A1 PCT/JP2023/046416 JP2023046416W WO2024143271A1 WO 2024143271 A1 WO2024143271 A1 WO 2024143271A1 JP 2023046416 W JP2023046416 W JP 2023046416W WO 2024143271 A1 WO2024143271 A1 WO 2024143271A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode layer
layer
metal support
hydrogen electrode
recess
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2023/046416
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
誠 大森
真司 藤崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to JP2024559499A priority Critical patent/JP7649929B2/ja
Publication of WO2024143271A1 publication Critical patent/WO2024143271A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • C25B1/042—Hydrogen or oxygen by electrolysis of water by electrolysis of steam
    • 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
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/052—Electrodes comprising one or more electrocatalytic coatings on a substrate
    • 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
    • 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
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M8/1213—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
    • 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

Definitions

  • the present invention relates to an electrochemical cell.
  • the objective of the present invention is to provide an electrochemical cell that can suppress damage to the first electrode layer.
  • the electrochemical cell according to the first aspect of the present invention comprises a cell body and a metal support.
  • the cell body has a first electrode layer, a second electrode layer, and an electrolyte layer disposed between the first and second electrode layers.
  • the metal support has a first main surface, a second main surface, a recess formed in the first main surface, and a plurality of supply holes communicating with the second main surface and the bottom surface of the recess. At least a portion of the first electrode layer is disposed within the recess.
  • the electrochemical cell according to the second aspect of the present invention is the same as the first aspect, and in a cross section along the thickness direction of the metal support, the boundary between the side peripheral surface and the bottom surface of the recess is rounded.
  • the electrochemical cell according to the third aspect of the present invention is the electrochemical cell according to the first or second aspect, and the cell body has a catalyst layer disposed in at least one of the multiple supply holes and connected to the first electrode layer.
  • the electrolysis cell 100 includes a metal support 10, a cell body 20, and a flow path member 30.
  • Each supply hole 14 can be formed by mechanical processing (e.g., punching), laser processing, or chemical processing (e.g., etching).
  • each supply hole 14 is formed linearly along the Z-axis direction, but it does not have to be along the Z-axis direction, and it does not have to be linear.
  • each supply hole 14 may be a three-dimensional mesh of open holes formed in the porous metal.
  • the hydrogen electrode layer 1 is disposed in the recess 13 of the metal support 10. As a result, the hydrogen electrode layer 1 is held in the recess 13 of the metal support 10. In this embodiment, the hydrogen electrode layer 1 fills the recess 13. That is, the entire hydrogen electrode layer 1 is disposed in the recess 13. Therefore, as shown in FIG. 2 , the hydrogen electrode layer 1 is formed to follow the contour of the recess 13.
  • the reaction prevention layer 4 is made of an oxide ion conductive material.
  • the reaction prevention layer 4 can be made of, for example, GDC, SDC, etc.
  • the boundary portion 13a between the side peripheral surface S2 and the bottom surface S1 has an R-shape, but this is not limited thereto.
  • the side peripheral surface S2 may be disposed so as to be curved with respect to the bottom surface S1.
  • the hydrogen electrode layer 1 functions as a cathode and the oxygen electrode layer 5 functions as an anode, but the hydrogen electrode layer 1 may function as an anode and the oxygen electrode layer 5 may function as a cathode.
  • the constituent materials of the hydrogen electrode layer 1 and the oxygen electrode layer 5 are switched, and a source gas is caused to flow over the outer surface of the hydrogen electrode layer 1.
  • the electrolysis cell 100 has been described as an example of an electrochemical cell, but the electrochemical cell is not limited to the electrolysis cell.
  • An electrochemical cell is a general term for an element in which a pair of electrodes are arranged so that an electromotive force is generated from an overall oxidation-reduction reaction in order to convert electrical energy into chemical energy, and an element for converting chemical energy into electrical energy. Therefore, the electrochemical cell includes, for example, a fuel cell that uses oxide ions or protons as a carrier.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Hybrid Cells (AREA)
PCT/JP2023/046416 2022-12-27 2023-12-25 電気化学セル Ceased WO2024143271A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024559499A JP7649929B2 (ja) 2022-12-27 2023-12-25 電気化学セル

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-209929 2022-12-27
JP2022209929 2022-12-27

Publications (1)

Publication Number Publication Date
WO2024143271A1 true WO2024143271A1 (ja) 2024-07-04

Family

ID=91717954

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/046416 Ceased WO2024143271A1 (ja) 2022-12-27 2023-12-25 電気化学セル

Country Status (2)

Country Link
JP (1) JP7649929B2 (https=)
WO (1) WO2024143271A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004512651A (ja) * 2000-10-25 2004-04-22 セレス・パワー・リミテッド 燃料電池セル
JP2009099562A (ja) * 2007-09-28 2009-05-07 Dainippon Printing Co Ltd 固体酸化物形燃料電池及びその製造方法
JP2019046570A (ja) * 2017-08-30 2019-03-22 学校法人東京理科大学 膜電極接合体、燃料電池および膜電極接合体用電解質膜

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5198000B2 (ja) * 2006-09-14 2013-05-15 本田技研工業株式会社 電解質・電極接合体及びその製造方法
JP5613865B1 (ja) * 2013-03-26 2014-10-29 パナソニック株式会社 燃料電池スタック
JP2016012413A (ja) * 2014-06-27 2016-01-21 日産自動車株式会社 膜電極接合体及びこれに使用する接着剤塗布用マスク
JP6553499B2 (ja) * 2015-12-16 2019-07-31 本田技研工業株式会社 燃料電池用樹脂枠付き段差ｍｅａ
JP2017220299A (ja) * 2016-06-03 2017-12-14 トヨタ紡織株式会社 エンドプレート
KR20180027918A (ko) * 2016-09-07 2018-03-15 한국과학기술원 고성능 고체산화물연료전지 일체화 모듈
KR102144191B1 (ko) * 2018-11-02 2020-08-12 한양대학교 산학협력단 교체가 용이한 연료전지 스택유닛 및 그 제조방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004512651A (ja) * 2000-10-25 2004-04-22 セレス・パワー・リミテッド 燃料電池セル
JP2009099562A (ja) * 2007-09-28 2009-05-07 Dainippon Printing Co Ltd 固体酸化物形燃料電池及びその製造方法
JP2019046570A (ja) * 2017-08-30 2019-03-22 学校法人東京理科大学 膜電極接合体、燃料電池および膜電極接合体用電解質膜

Also Published As

Publication number Publication date
JPWO2024143271A1 (https=) 2024-07-04
JP7649929B2 (ja) 2025-03-21

Similar Documents

Publication Publication Date Title
JP7637833B1 (ja) 電気化学セル
JP7752236B2 (ja) 電気化学セル
US20240209524A1 (en) Electrochemical cell
JP7670931B2 (ja) 電気化学セル
JP7649929B2 (ja) 電気化学セル
JP7333439B1 (ja) 電気化学セル
JP7280991B1 (ja) 電気化学セル
JP7668971B2 (ja) 電気化学セル
JP7625134B2 (ja) 電気化学セル
WO2024143292A1 (ja) 電気化学セル
JP7696497B2 (ja) 電気化学セル
JP7604715B2 (ja) 電気化学セル
JP7657379B1 (ja) 電気化学セル
JP7659705B1 (ja) 電気化学セル
JP7657365B2 (ja) 電気化学セル
JP7649810B2 (ja) 電気化学セル
JP7577244B2 (ja) 電気化学セル
JP7692539B2 (ja) 電気化学セル
JP7618109B1 (ja) インターコネクタ、及び電気化学セル
JP7659706B1 (ja) 電気化学セル
JP7621564B1 (ja) インターコネクタ、及び電気化学セル
WO2025141900A1 (ja) 電気化学セル
JP2024044532A (ja) 電気化学セル
WO2025141901A1 (ja) 流路構造体、及び電気化学セル
WO2025074569A1 (ja) 流体容器及び電気化学セル

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: 23912051

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2024559499

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 23912051

Country of ref document: EP

Kind code of ref document: A1