[go: up one dir, main page]

EP4442864A4 - Gas diffusion layer for anion exchange membrane electrolysis and manufacturing process therefor - Google Patents

Gas diffusion layer for anion exchange membrane electrolysis and manufacturing process therefor

Info

Publication number
EP4442864A4
EP4442864A4 EP22901679.5A EP22901679A EP4442864A4 EP 4442864 A4 EP4442864 A4 EP 4442864A4 EP 22901679 A EP22901679 A EP 22901679A EP 4442864 A4 EP4442864 A4 EP 4442864A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing process
diffusion layer
exchange membrane
anion exchange
gas diffusion
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.)
Pending
Application number
EP22901679.5A
Other languages
German (de)
French (fr)
Other versions
EP4442864A1 (en
Inventor
Sarang Park
Do Heung Kim
Myung Seok Oh
Eui-Duk Kim
Joung Hoon Park
Hyojin Jeon
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.)
Hanwha Solutions Corp
Original Assignee
Hanwha Solutions Corp
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 Hanwha Solutions Corp filed Critical Hanwha Solutions Corp
Publication of EP4442864A1 publication Critical patent/EP4442864A1/en
Publication of EP4442864A4 publication Critical patent/EP4442864A4/en
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
    • C25B11/031—Porous electrodes
    • C25B11/032—Gas diffusion electrodes
    • 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
    • C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • C25B11/056—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of textile or non-woven fabric
    • 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
    • C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
    • C25B11/057—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
    • C25B11/065—Carbon
    • 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

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)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
EP22901679.5A 2021-11-30 2022-11-24 Gas diffusion layer for anion exchange membrane electrolysis and manufacturing process therefor Pending EP4442864A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210169324A KR20230081354A (en) 2021-11-30 2021-11-30 Gas diffusion layer of anion exchange membrane electrolysis cell and manufacturing method thereof
PCT/KR2022/018750 WO2023101321A1 (en) 2021-11-30 2022-11-24 Gas diffusion layer for anion exchange membrane electrolysis, and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP4442864A1 EP4442864A1 (en) 2024-10-09
EP4442864A4 true EP4442864A4 (en) 2025-09-17

Family

ID=86612562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22901679.5A Pending EP4442864A4 (en) 2021-11-30 2022-11-24 Gas diffusion layer for anion exchange membrane electrolysis and manufacturing process therefor

Country Status (6)

Country Link
US (1) US20250019843A1 (en)
EP (1) EP4442864A4 (en)
JP (1) JP2024542274A (en)
KR (1) KR20230081354A (en)
CN (1) CN118355149A (en)
WO (1) WO2023101321A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119736654A (en) * 2024-12-23 2025-04-01 上海交通大学 Gas diffusion cathode for anion exchange membrane water electrolysis to produce hydrogen and its preparation and application

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070231470A1 (en) * 2006-03-30 2007-10-04 Shinano Kenshi Kabushiki Kaisha Methods of producing composite material, filter and diffusion layer of fuel cell
US8283091B2 (en) * 2007-01-24 2012-10-09 Samsung Sdi Co., Ltd. Method of preparing a nanofiber and a fuel cell including the nanofiber
EP2511408A1 (en) * 2009-12-09 2012-10-17 Nisshinbo Holdings Inc. Flexible carbon fiber nonwoven fabric
CN104342852A (en) * 2014-10-27 2015-02-11 东华大学 Preparation methods of porous carbon nanofiber felt and porous carbon nanofiber electrode
CN105261767A (en) * 2015-09-07 2016-01-20 武汉理工大学 Nano carbon-doped porous fiber single electrode, membrane electrode and preparation method
JP6027187B2 (en) * 2015-05-25 2016-11-16 財團法人工業技術研究院Ｉｎｄｕｓｔｒｉａｌ Ｔｅｃｈｎｏｌｏｇｙ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ Fuel cell and carbon composite structure
US20200127306A1 (en) * 2016-09-27 2020-04-23 Guardnec Co., Ltd. Gas diffusion layer for fuel cell, comprising spun carbon nanofiber layer
CN112701300A (en) * 2019-10-23 2021-04-23 中国科学院大连化学物理研究所 High-stability carbon skeleton nanofiber membrane electrode and preparation method and application thereof
WO2021226119A1 (en) * 2020-05-04 2021-11-11 University Of Delaware An anion exchange membrane electrolyzer having a platinum-group-metal free self-supported oxygen evolution electrode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105264118B (en) * 2013-03-26 2019-01-18 俄亥俄州立大学 The electrochemistry formated of ammonia in alkaline medium
KR20170139914A (en) * 2016-06-10 2017-12-20 현대자동차주식회사 Manufactoring method of gas diffusion layer
JP6831099B2 (en) * 2016-12-26 2021-02-17 国立研究開発法人物質・材料研究機構 Fuel cell and water electrolyzer
JP7021869B2 (en) * 2017-06-06 2022-02-17 日本バイリーン株式会社 Method for manufacturing carbon fiber sheet, gas diffusion electrode, membrane-electrode assembly, polymer electrolyte fuel cell, and carbon fiber sheet
KR101972581B1 (en) * 2017-08-23 2019-04-29 (주)엘켐텍 Membrane electrode assembly for water electrolysis having gas diffusion layer with nano-fiber and manufacturing method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070231470A1 (en) * 2006-03-30 2007-10-04 Shinano Kenshi Kabushiki Kaisha Methods of producing composite material, filter and diffusion layer of fuel cell
US8283091B2 (en) * 2007-01-24 2012-10-09 Samsung Sdi Co., Ltd. Method of preparing a nanofiber and a fuel cell including the nanofiber
EP2511408A1 (en) * 2009-12-09 2012-10-17 Nisshinbo Holdings Inc. Flexible carbon fiber nonwoven fabric
CN104342852A (en) * 2014-10-27 2015-02-11 东华大学 Preparation methods of porous carbon nanofiber felt and porous carbon nanofiber electrode
JP6027187B2 (en) * 2015-05-25 2016-11-16 財團法人工業技術研究院Ｉｎｄｕｓｔｒｉａｌ Ｔｅｃｈｎｏｌｏｇｙ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ Fuel cell and carbon composite structure
CN105261767A (en) * 2015-09-07 2016-01-20 武汉理工大学 Nano carbon-doped porous fiber single electrode, membrane electrode and preparation method
US20200127306A1 (en) * 2016-09-27 2020-04-23 Guardnec Co., Ltd. Gas diffusion layer for fuel cell, comprising spun carbon nanofiber layer
CN112701300A (en) * 2019-10-23 2021-04-23 中国科学院大连化学物理研究所 High-stability carbon skeleton nanofiber membrane electrode and preparation method and application thereof
WO2021226119A1 (en) * 2020-05-04 2021-11-11 University Of Delaware An anion exchange membrane electrolyzer having a platinum-group-metal free self-supported oxygen evolution electrode

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023101321A1 *

Also Published As

Publication number Publication date
EP4442864A1 (en) 2024-10-09
JP2024542274A (en) 2024-11-13
KR20230081354A (en) 2023-06-07
US20250019843A1 (en) 2025-01-16
CN118355149A (en) 2024-07-16
WO2023101321A1 (en) 2023-06-08

Similar Documents

Publication Publication Date Title
EP4442865A4 (en) Gas diffusion layer for anion exchange membrane electrolysis and manufacturing process therefor
EP4101837A4 (en) PRODUCTION PROCESSES FOR POLYAMINE COMPOUNDS AND USES THEREOF
EP4442864A4 (en) Gas diffusion layer for anion exchange membrane electrolysis and manufacturing process therefor
MX2009004622A (en) Shaped porous bodies of alpha-alumina and methods for the preparation thereof.
EP3106476A4 (en) Partially quaternized styrene-based copolymer, ionic-conductivity imparter, catalytic electrode layer, membrane/electrode assembly and process for producing same, gas diffusion electrode and process for producing same, and fuel cell of anion exchange membrane type
EP4626181A4 (en) SOLAR CELL AND MANUFACTURING PROCESS FOR THE SOLAR CELL
EP4334495A4 (en) INTEGRATED HYDROGEN PRODUCTION PROCESS AND SYSTEM
EP4406644A4 (en) Nanoflake spinel oxidation catalyst for water electrolysis with anion exchange membrane and production process therefor
EP4209479A4 (en) FORMAT PRODUCTION PROCESS, FORMIC ACID PRODUCTION PROCESS AND ANTIFREEZE PRODUCTION PROCESS
EP4419577A4 (en) PROTON EXCHANGE MEMBRANES FOR ELECTROCHEMICAL REACTIONS
EP4424880A4 (en) Double-layer electrode for hydrogen production by water electrolysis, production process therefor and application thereof
EP4119601A4 (en) ANION EXCHANGE MEMBRANE AND PROCESS FOR THE PRODUCTION THEREOF
EP4342583A4 (en) REDUCTION CATALYST FOR WATER ELECTROLYSIS AND PRODUCTION PROCESS THEREOF
EP4411875A4 (en) MANUFACTURING PROCESS FOR COMPOSITE PARTICLES AND ELECTRODE FOR ELECTROCHEMICAL ELEMENT
EP4267781C0 (en) COATED MEMBRANE FOR WATER ELECTROLYSIS
SA521422103B1 (en) An electrode for creating a gas by electrolysis
EP4379939A4 (en) Composition for functional layer of an electrochemical element, manufacturing process therefor, functional layer for an electrochemical element and electrochemical element
EP4266430A4 (en) SOLID-STATE BATTERY AND MANUFACTURING PROCESS FOR THE SOLID-STATE BATTERY
EP4509637A4 (en) RUTHENIUM PRECURSOR COMPOSITION, PRODUCTION METHOD THEREOF AND PRODUCTION METHOD FOR RUTHENIUM-CONTAINING FILM THEREOF
EP4456121A4 (en) Laminate structure, stage, semiconductor manufacturing apparatus, and manufacturing method for laminate structure
EP4299177A4 (en) ELECTRODE CATALYST, PRODUCTION PROCESS THEREFOR AND FUEL CELL
EP4130339A4 (en) MANGANESE-IRIDIUM COMPLEX OXIDE FOR WATER DECOMPOSITION CATALYST, MANGANESE-IRIDIUM COMPLEX OXIDE ELECTRODE MATERIAL AND PRODUCTION METHOD THEREOF
EP4343928A4 (en) Cooling structure, battery unit, and manufacturing method for the cooling structure
EP4358167A4 (en) Perovskite solar cell and manufacturing process therefor
EP4397409A4 (en) Anion exchange membrane and manufacturing process therefor

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240527

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: C25B0011032000

Ipc: C25B0001040000

A4 Supplementary search report drawn up and despatched

Effective date: 20250819

RIC1 Information provided on ipc code assigned before grant

Ipc: C25B 1/04 20210101AFI20250812BHEP

Ipc: C25B 9/60 20210101ALI20250812BHEP

Ipc: C25B 9/23 20210101ALI20250812BHEP

Ipc: C25B 15/08 20060101ALI20250812BHEP