AU2023259944A1 - Ion exchange membrane, membrane electrode assembly, cell for redox flow batteries, and redox flow battery - Google Patents

Ion exchange membrane, membrane electrode assembly, cell for redox flow batteries, and redox flow battery Download PDF

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Publication number
AU2023259944A1
AU2023259944A1 AU2023259944A AU2023259944A AU2023259944A1 AU 2023259944 A1 AU2023259944 A1 AU 2023259944A1 AU 2023259944 A AU2023259944 A AU 2023259944A AU 2023259944 A AU2023259944 A AU 2023259944A AU 2023259944 A1 AU2023259944 A1 AU 2023259944A1
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AU
Australia
Prior art keywords
group
ion
carbon atoms
fluororesin
substituted
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Pending
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AU2023259944A
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English (en)
Inventor
Naonori Higashimoto
Kazuya Kai
Masayuki MATSUHISA
Hirotaka Mori
Akitake Nakamura
Atsushi Suzuki
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Asahi Kasei Corp
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Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
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Publication of AU2023259944A1 publication Critical patent/AU2023259944A1/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F126/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F126/06—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/12—Hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D139/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Coating compositions based on derivatives of such polymers
    • C09D139/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D139/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Coating compositions based on derivatives of such polymers
    • C09D139/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C09D139/08—Homopolymers or copolymers of vinyl-pyridine
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
    • H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
    • H01B1/122—Ionic conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/96—Carbon-based electrodes
    • 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
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
    • H01M8/1027—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES]
    • 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
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
    • H01M8/103—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having nitrogen, e.g. sulfonated polybenzimidazoles [S-PBI], polybenzimidazoles with phosphoric acid, sulfonated polyamides [S-PA] or sulfonated polyphosphazenes [S-PPh]
    • 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
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1039—Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
    • 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
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1041—Polymer electrolyte composites, mixtures or blends
    • H01M8/1053—Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
    • 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
    • H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
    • H01M8/1018—Polymeric electrolyte materials
    • H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
    • 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
    • H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
    • H01M8/184—Regeneration by electrochemical means
    • H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F214/18—Monomers containing fluorine
    • C08F214/26—Tetrafluoroethene
    • C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/14—Homopolymers or copolymers of vinyl fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Fuel Cell (AREA)
AU2023259944A 2022-04-27 2023-04-27 Ion exchange membrane, membrane electrode assembly, cell for redox flow batteries, and redox flow battery Pending AU2023259944A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2022073445 2022-04-27
JP2022-073566 2022-04-27
JP2022073554 2022-04-27
JP2022-073445 2022-04-27
JP2022073401 2022-04-27
JP2022-073554 2022-04-27
JP2022-073401 2022-04-27
JP2022073566 2022-04-27
PCT/JP2023/016759 WO2023210781A1 (ja) 2022-04-27 2023-04-27 イオン交換膜、膜電極接合体、レドックスフロー電池用セル、及びレドックスフロー電池

Publications (1)

Publication Number Publication Date
AU2023259944A1 true AU2023259944A1 (en) 2024-11-14

Family

ID=88518867

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2023259944A Pending AU2023259944A1 (en) 2022-04-27 2023-04-27 Ion exchange membrane, membrane electrode assembly, cell for redox flow batteries, and redox flow battery

Country Status (6)

Country Link
US (1) US20250273719A1 (https=)
EP (1) EP4516845A4 (https=)
JP (1) JPWO2023210781A1 (https=)
CN (1) CN119452021A (https=)
AU (1) AU2023259944A1 (https=)
WO (1) WO2023210781A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119133499A (zh) * 2024-11-14 2024-12-13 浙江大学温州研究院 一种锌溴液流电池功能隔膜、制备方法及其应用
CN121394479B (zh) * 2025-12-19 2026-03-31 成都先进金属材料产业技术研究院股份有限公司 含环己二胺类化合物的全钒液流电池电解液及其制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6414248A (en) * 1987-07-08 1989-01-18 Tosoh Corp Fluorinated ion exchange membrane of trilaminar structure
JPH07296634A (ja) 1994-04-22 1995-11-10 Asahi Chem Ind Co Ltd 複合電解質膜
JPH11260390A (ja) 1998-03-05 1999-09-24 Kashimakita Kyodo Hatsuden Kk レドックスフロー電池
JP4907773B2 (ja) 2001-02-07 2012-04-04 旭化成イーマテリアルズ株式会社 フッ素系イオン交換膜の製造方法
JP2004164854A (ja) 2001-10-25 2004-06-10 Ube Ind Ltd 燃料電池用電極作製用高分子電解質溶液
US7713629B2 (en) * 2004-03-26 2010-05-11 Florida State University Research Foundation Hydrophobic fluorinated polyelectrolyte complex films and associated methods
WO2006028190A1 (ja) 2004-09-09 2006-03-16 Asahi Kasei Chemicals Corporation 固体高分子電解質膜およびその製造方法
WO2007089017A1 (ja) 2006-02-03 2007-08-09 Daikin Industries, Ltd. －ｓｏ３ｈ基含有フルオロポリマー製造方法及び－ｓｏ３ｈ基含有フルオロポリマー
US8017257B2 (en) 2007-01-26 2011-09-13 Asahi Glass Company, Limited Polymer, polymer electrolyte membrane for polymer electrolyte fuel cell, and membrane/electrode assembly
EP2270818B1 (en) 2008-03-19 2020-03-04 Asahi Kasei Kabushiki Kaisha Polyelectrolyte and process for producing the polyelectrolyte
CN102044648B (zh) * 2009-10-16 2013-04-10 大连融科储能技术发展有限公司 聚芳基醚苯并咪唑离子交换膜及其制备和全钒液流电池
DE112012005339B4 (de) 2011-12-19 2019-02-14 National Research Council Of Canada Verfahren zur Herstellung coextrudierter Ionenaustauschvorläufer- Harzmembranen und deren Verwendung
WO2016163773A1 (ko) 2015-04-08 2016-10-13 주식회사 엘지화학 고분자 전해질막, 이를 포함하는 전기화학 전지 및 흐름전지, 고분자 전해질막의 제조방법 및 흐름 전지용 전해액
US11417904B2 (en) 2016-02-03 2022-08-16 Camx Power Llc Bipolar ionomer membrane
EP3546435B1 (en) 2016-11-24 2022-05-11 Asahi Kasei Kabushiki Kaisha Carbon foam and membrane electrode composite
EP3597618A4 (en) 2017-03-13 2020-03-18 Asahi Kasei Kabushiki Kaisha Carbon foam and manufacturing method therefor
WO2020045645A1 (ja) 2018-08-31 2020-03-05 旭化成株式会社 炭素フォーム、複合体及び製造方法
US11923584B2 (en) 2020-04-24 2024-03-05 Asahi Kasei Kabushiki Kaisha Membrane for redox flow battery, method for producing membrane for redox flow battery, membrane electrode assembly for redox flow battery, cell for redox flow battery, and redox flow battery

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Publication number Publication date
WO2023210781A1 (ja) 2023-11-02
JPWO2023210781A1 (https=) 2023-11-02
US20250273719A1 (en) 2025-08-28
EP4516845A1 (en) 2025-03-05
CN119452021A (zh) 2025-02-14
EP4516845A4 (en) 2026-04-29

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