WO2007072978A1 - 共重合体、高分子電解質及びその用途 - Google Patents
共重合体、高分子電解質及びその用途 Download PDFInfo
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- 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]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
- C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
- C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
- C08G65/4012—Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones
- C08G65/4056—(I) or (II) containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/20—Polysulfones
- C08G75/23—Polyethersulfones
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- 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
- C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
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- 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
- H01M8/02—Details
- H01M8/0289—Means for holding the electrolyte
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- 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
- H01M8/1032—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having sulfur, e.g. sulfonated-polyethersulfones [S-PES]
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- 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
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- 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
- H01M8/1058—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
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- 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
- H01M8/1072—Polymeric electrolyte materials characterised by the manufacturing processes by chemical reactions, e.g. insitu polymerisation or insitu crosslinking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/16—Membrane materials having positively charged functional groups
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- 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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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a copolymer, a polymer electrolyte, and a use thereof suitably used as a membrane material for a battery, particularly a fuel cell.
- Polymer electrolytes with proton conductivity are used as diaphragms for electrochemical devices such as primary batteries, secondary batteries, and polymer electrolyte fuel cells.
- polymer electrolytes containing perfluoroalkane polymers having a perfluoroalkylsulfonic acid group as a super strong acid in the side chain such as naphthion (a registered trademark of DuPont), as active ingredients.
- naphthion a registered trademark of DuPont
- a block copolymer which is a condensate of a sulfone and a biphenol having a sulfonic acid group has been proposed (Japanese Patent Laid-Open No. 2003-031232).
- the block copolymer disclosed in Japanese Patent Application Laid-Open No. 2 0 3 0-3 1 2 3 2 has a segment in which a sulfonic acid group is not substantially introduced or a segment in which a sulfonic acid group is introduced. Either one of them was synthesized in advance and then copolymerized with a monomer capable of forming the other segment, or a polymer capable of forming the above-mentioned segment was synthesized separately, and then both had to be further coupled.
- the polymer electrolytes made of random copolymers disclosed so far have a significantly large water absorption capacity for hot water of about 100 ° C.
- the polymer electrolyte membrane When used as a membrane (polymer electrolyte membrane), the polymer electrolyte membrane itself was easily absorbed by water due to heat generated by power generation.
- the inventors of the present invention have completed the present invention, Yuri, who has intensively studied to achieve the above-mentioned problems.
- the present invention comprises the following nucleophilic condensation of a mixture of (A) and (C) and a mixture of (B) and (D), or a mixture of (A), (B), (C) and (D).
- the copolymer obtained is provided.
- (D) A monomer having two nucleophilic groups in the molecule and having substantially no acid group.
- the nucleophilic group represents a group having nucleophilicity, and the leaving group is bonded.
- a new covalent bond can be formed by a nucleophilic attack on a certain atom and a condensation reaction involving elimination of the leaving group.
- the nucleophilic group in the present invention is different from the acid group described later, and has a higher nucleophilicity than the acid group.
- the structural unit ( ⁇ ′) derived from (A) is derived from the structural unit ( ⁇ ′) derived from ( ⁇ ) or (D).
- the structural unit ( ⁇ ') is adjacent to the structural unit ( ⁇ ') or the structural unit (C ') derived from (C), and the structural unit (D').
- C ') is adjacent to the structural unit ( ⁇ ') or structural unit (D ')
- the structural unit (D') is adjacent to the structural unit ( ⁇ ') or structural unit (C').
- the present invention provides a copolymer represented by the following [2] to [8].
- k represents 0, 1 or 2
- Ar "and A r 2 independently represent a divalent aromatic group, and when k is 2, two A r 2 may be the same as each other,
- These divalent aromatic groups may have a substituent, a C1-C10 alkyl group that may have a substituent, a C1-C10 alkoxy group that may have a substituent, 6 to 10 carbon atoms which may have a group: substituted with an aryl group of L.0, an aryloxy group having 6 to 10 carbon atoms which may have a substituent, a fluoro group, a nitro group or a benzoyl group It may be.
- k is A r 1 If is 0, if k is 1 or more, one of Ar Ar 2 has at least one acid group.
- X 1 represents any of a fluoro group, a black group, a nitro group, or a trifluoromethanesulfonyloxy group, and two X ′s may be the same as or different from each other.
- Z 1 is a group selected from the following group. When k is 2, two Z 1 s may be the same or different from each other. )
- Ar 4 represents a divalent aromatic group independently: represent, when j is 2, also two A r 4 the same as each other, different
- these divalent aromatic groups are an alkyl group having 1 to 10 carbon atoms which may have a substituent, or an alkoxy group having 1 to 10 carbon atoms which may have a substituent.
- Ar 3 is the case where j is 1 or more, any one of A r 3 and A r 4 has at least one acid group Y 1 represents a hydroxyl group, a thiol group or an amino group, Y ′ may be the same as or different from each other, Q 1 represents a direct bond, and a group selected from the following group, and when j is 2, If two Q 1's are the same as each other, they are different and fc is good.) OOSMM H 2
- Ar 5 and Ar 6 are each independently a divalent aromatic group.
- two A r. 6s may be the same as each other.
- These divalent aromatic groups may have a substituent, an alkyl group having 1 to 10 carbon atoms that may have a substituent, or a carbon number that has 1 to 10 carbon atoms that may have a substituent.
- X 2 is Furuoro group, black port group, selected from a nitro group or a Torifuruo 0 main evening down sulfonyl O alkoxy groups, also the two X 2 are the same as each other or may be different.
- Z 2 are the following is selected from the group, when m is 2, two Z 2 is also the same as each other or may be different.
- n 0, 1 or 2
- a r 7 and A r 8 independently represent a divalent aromatic group, and when n is 2, two A r 8 may be the same as each other,
- these divalent aromatic groups may have an alkyl group having 1 to 10 carbon atoms which may have a substituent, or a carbon group which may have a substituent-1 to 1 carbon atoms.
- Y 2 represents a hydroxyl group, a thiol group, or an amino group, and the two Y 2 may be the same or different from each other.
- Q 2 is a direct bond or a group selected from the following group: FF 2
- the 33 Q 2 s may be the same or different.
- a polymer electrolyte comprising the copolymer according to any one of [1] to [8] above.
- a polymer electrolyte membrane comprising the polymer electrolyte according to [9] above.
- a polymer electrolyte composite membrane comprising the polymer electrolyte according to [9] above and a porous substrate.
- a polymer electrolyte composite membrane obtained by impregnating a porous base material with the polymer electrolyte according to [9] and combining the same.
- a catalyst composition comprising the polymer electrolyte according to [9] above and a catalyst substance.
- a manufacturing method is provided.
- (B) A monomer having two nucleophilic groups in the molecule and at least one acid group.
- the copolymer of the present invention comprises two specific types of monomers having an acid group as the essential monomer (the above (A) and (B)) and two specific types having substantially no acid group.
- Monomer (the above (C) and (D)) can be obtained by mixing and condensing. You can.
- (A) (B) (C) and (D) may each be used alone or in combination of two or more.
- the (A) is preferably a compound represented by the formula (.1).
- acid groups if k is 0 to A r 1, if k is 1 or more, A r ', characterized by having at least one of A r 2.
- a r 1 A r 2 represents a divalent aromatic group.
- the divalent aromatic group include hydrocarbon aromatic groups such as a phenylene group, a naphthylene group, a biphenylylene group, and a fluorenediyl group, Examples thereof include heterocyclic groups such as pyridine diyl, quinoxalin diyl, and thiophen diyl. Among them, divalent hydrocarbon-based aromatic groups are preferable, and phenylene groups and naphthylene groups are particularly preferable.
- a r 1 and the two A r 2 may be the same or different.
- the above-mentioned divalent aromatic group may have a substituent having 1 to 1 carbon atoms! :
- a C6-C10 aryloxy group, a nitro group, or a benzoyl group may be substituted.
- Examples of the C1-C10 alkyl group include a methyl group, an ethyl group, and an n-propyl group.
- alkoxy group having 1 to 10 carbon atoms examples include a methoxy group, an ethoxy group, an n-propyloxy group, an isopropyloxy group, an n-butyloxy group, a sec-butyloxy group, a tert-butyloxy group, an isobutyloxy group, n-pentyloxy group, 2,2-dimethylpropyloxy group, cyclopentyloxy group, n-hexyloxy group, cyclohexyloxy group, 2-methylpentyloxy group, 2 —Ethylhexyloxy group, etc., and these groups are substituted with halogen atom, hydroxyl group, amino group, methoxy group, ethoxy group, isopropyloxy group, phenyl group, naphthyl group, phenoxy group and naphthyloxy group. It may have a substituent selected from the group.
- Examples of the aryl group having 6 to 10 carbon atoms include phenyl group and naphthyl group. These groups have a halogen atom, a hydroxyl group, an amino group, a methoxy group, an ethoxy group, an isopropyl group as a substituent. It may have a substituent selected from a xy group, a phenyl group, a naphthyl group, a phenoxy group, and a naphthyloxy group. Examples of the aryloxy group having 6 to 10 carbon atoms include a phenoxy group and a naphthyloxy group.
- These groups have a substituent as a halogen atom such as a fluorine atom, a chlorine atom, a fluorine atom or an iodine atom, a hydroxyl group, It may have a substituent selected from an amino group, a methoxy group, an ethoxy group, an isopropyloxy group, a phenyl group, a naphthyl group, a phenoxy group, and a naphthyloxy group.
- a halogen atom such as a fluorine atom, a chlorine atom, a fluorine atom or an iodine atom, a hydroxyl group
- It may have a substituent selected from an amino group, a methoxy group, an ethoxy group, an isopropyloxy group, a phenyl group, a naphthyl group, a phenoxy group, and a naphthyloxy group.
- Ar ′ and A r 2 in formula (1) represent a divalent aromatic group that may have the above-mentioned substituents.
- Ar r 2 is an unsubstituted phenylene group.
- a naphthylene group is preferred, and 1,3-phenylene group, 1,4_phenylene group, 1,3_naphthenylene group, 1,4-naphthylene group, 1,5-naphthalene group 1, 6—Naphne Ranger group, 1,7—Naphne Ranger group, 2, 6—Naphne Ranger group, 2, 7—Naphne Ranger group, 3, 3 ′ —Biphenylylene group, 3, 4 ′ —Biphenylylene group, 4, 4: —Biphenylylene group is preferred.
- the k in Equation (1) represents 0, 1 or 2
- Z 1 represents a CO (carbonyl group) or S_ ⁇ 2 (sulfonyl group), or COCO (Jikaruponiru group).
- k represents 2
- two Z 1 s may be the same or different from each other, but it is particularly preferable that Z 1 s are the same.
- At least one of Ar 1 Ar 2 has an acid group out of A r A, but when k is 1 or more, A 1 It is preferable that all of the groups represented by r A r 2 have an acid group.
- the acid group for example, carboxyl group (one COOH), phosphonic acid Groups (— P 0 3 H 2 ), phosphoric acid groups (_ 0 P0 3 H 2 ) and other weak acid groups, sulfonic acid groups (—S 0 3 H), sulfoniruimide groups (—S0 2 NHS0 2 — R, Where R represents an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 10 carbon atoms), a perfluoroalkylenesulfonic acid group, a perfluorophenylenesulfonic acid group, or a perfluoroalkylenesulfonylimide group.
- Super strong acid groups such as Among them, strong acid groups and super strong acid groups having an acid dissociation constant represented by a pKa value of 2 or less are preferable.
- sulfonic acid groups, perfluoroalkylene sulfonic acid groups, and perfluorophenylene sulfonic acid groups are preferable. is there.
- salts may be formed with an alkaline ion, an alkaline earth metal ion, an ammonium ion, or the like.
- the acid group can be easily returned to the free acid form by forming the copolymer of the present invention and then performing ion exchange by acid treatment.
- 'Preferred examples of the compound represented by the formula (1) include, for example, the following (1)-1
- M represents a hydrogen atom, a potassium atom, a sodium atom or a lithium atom, and M is a plurality. They may be the same or different.
- the (B) preferably includes a compound represented by the formula (2).
- the acid group is characterized in that it has Ar 3 when j is 0, and at least one of A r 3 and A r 4 when j is 1 or more.
- Ar 3 and Ar 4 represent a divalent aromatic group, and the divalent aromatic group is a group equivalent to Ar 1 or Ar 2 described above.
- a r 3 and two A r 4 may be the same or different from each other.
- a phenolic hydroxyl group is a group that is converted to a phenol group by an appropriate base during the condensation reaction and acts as a nucleophilic group. It is a group that exists as an ether bond during polymerization and is not considered an acid group.
- These divalent aromatic groups may have a substituent, a C1-C10 alkyl group, a C1-C10 alkoxy group that may have a substituent, or a substituent.
- the alkyl group, the alkoxy group, the aryl group or the aryloxy group may be substituted with an aryl group having 6 to 10 carbon atoms or an aryl group having 6 to 10 carbon atoms which may have a substituent. Specific examples are the same as described above.
- Ar 3 , Ar 4 , in formula (2) represents a divalent aromatic group that may have a substituent as described above.
- Ar 3 , Ar 4 is unsubstituted phenylene.
- Group, biphenylylene group or naphthylene S are preferred, 1,3-phenylene group, 1,4_phenylene group, 1,3-naphthalenedyl group, 1,4-naphthalenedyl group, 1,5-naphth Evening range group, 1, 6_Naphne rangel group, 1,7-Naphthalene group, 2, 6_Naphne rangel group, 2,7-Naphne rangel group, 3, 3, 1 biphenylylene group, 3, 4 '— Biphenylylene group or 4, 4' — Biphenylylene group is preferable.
- j 0, 1 or 2
- Q 1 represents a direct bond or a group selected from the following group.
- j 2
- two Q 1 may be the same or different from each other, but the two Q 1 are preferably the same.
- Preferable examples of the compound represented by the formula (2) include the following (2) — (2) — 12. C & CII
- substantially free of acid groups means that the kind of acid groups that exist in the monomer as nucleophilic groups, such as the above-mentioned hydroxyl groups, and disappear during the process of forming a copolymer. Since it is not regarded as the acid group of the present invention, even a monomer having such an acid group is assumed to have substantially no acid group in the present invention.
- the compound represented by Formula (3) is preferable.
- Ar 5 and Ar 6 in the formula (3) are divalent aromatic groups such as phenylene group, naphthylene group, biphenylylene group, fluorenediyl group and other hydrocarbon-based aromatic groups, pyridine diyl group, quinoxaline diyl group.
- a heterocyclic group such as a thiopheneyl group
- it is a divalent hydrocarbon-based aromatic group.
- a r 5 and A r 6 when m is 2, A r 5 and two A r 6 may be the same or different.
- These divalent aromatic groups include an optionally substituted alkyl group having 1 to 10 carbon atoms, an optionally substituted alkoxy group having 1 to 10 carbon atoms, and a substituent. It may be substituted with an aryl group having 6 to 10 carbon atoms or an aryloxy group, nitro group or benzoyl group having 6 to 10 carbon atoms which may have a substituent.
- Specific examples of the alkyl group, the aroxy group, the aryl group or the aryloxy group include the same as those described above.
- unsubstituted phenylene group or naphthylene group is preferable as A r 5 and A r 6
- 1,3-phenylene group, 1,4-phenylene group, 1,3-naphthyl group are preferable.
- Evening range group, 1, 4—Naphthalene group, 1, 5—Naphthalene group, 1,6—Naphthalene group, 1, 7 —Naphthalene group, 2, 6—Naphthalene group, 2, 7 —A naphthenic diyl group, 3,3, —biphenylylene group, 3,4′-biphenylylene group or 4,4′—biphenylylene group is preferred.
- Z 2 represents C_ ⁇ , 3 0 2 or Ji ⁇ Ji O.
- m 2
- the two Z 2 may be the same or different from each other, but are preferably the same.
- Preferable examples of the compound represented by the formula (3) include the following (3) -1 to (3) -9.
- the (D) preferably includes a compound represented by the formula (4).
- Ar 7 and Ar 8 represent a divalent aromatic group, and examples thereof are the same as those of Ar 5 and Ar 6. These divalent aromatic groups are substituted An alkyl group having 1 to 10 carbon atoms which may have a group, an alkoxy group having 1 to 10 carbon atoms which may have a substituent, and an aryl having 6 to 10 carbon atoms which may have a substituent.
- the alkyl group, the alkoxy group, the aryl group or the aryloxy group may be substituted with an aryl group having 6 to 10 carbon atoms which may have a group or a substituent. Can be mentioned.
- an unsubstituted phenylene group, biphenylene group or naphthylene group is preferable, and 1,3-phenylene group, 1,4_phenylene group, 1, 3 —Naphthalene diyl group, 1, 4—Naphthalene diyl group, 1, 5 _Naphtalene diyl group, 1, 6—Naphthalene diyl group, 1, 7 _Naphtalene diyl group, 2, 6—Naphthalene diyl group, 2, A 7-naphthalene diyl group, 3, 3'-biphenylylene group, 3, 4'-biphenylylene group, or 4,4'-biphenylylene group is preferred.
- n 0, 1 or 2
- Q 2 represents a direct bond or a group selected from the following group. when n is 2, two Q 2 are it may be the same or different from each other, but are preferably the same.
- Preferable examples of the compound represented by (4) include the following (4) -1 to (4) -26.
- the copolymer of the present invention is a mixture of the above (A), (B), (C) and (D), or a mixture of monomers having a nucleophilic group such as (B) and (D).
- a monomer having a leaving group such as (A) and (C) is mixed, and each mixture is further mixed to nucleophilic condensation reaction between the monomer having a nucleophilic group and the monomer having a leaving group.
- a monomer having a leaving group such as (A) and (C) is mixed, and each mixture is further mixed to nucleophilic condensation reaction between the monomer having a nucleophilic group and the monomer having a leaving group.
- 'A preferred copolymer of the present invention is obtained by using the compounds represented by the above formulas (1) to (4) as monomers and mixing and condensing them.
- a method of nucleophilic condensation of compounds represented by the formulas (1) to (4) under the action of a base can be mentioned.
- the compound represented by the formulas (1) to (4) and the basic compound are previously added to the reaction solvent and mixed.
- the order of mixing is not particularly limited, but after the compound represented by the formula (2), the compound represented by the formula (4), the basic compound and the solvent are first introduced, the formula (1) And (3) are added and mixed, or the compound represented by the formulas (1) to (4) and the solvent are mixed, and then the basic compound is added and mixed, or the formula (1) (4)
- a mixing means in which a basic compound and a solvent are added and mixed is preferable.
- the reaction temperature is preferably 20 to 300, more preferably 50 to 250 ° C
- the reaction time is preferably 0.5 to 500 hours, more preferably 1. Can be carried out in ⁇ 100 hours.
- reaction solvents include alcohol solvents such as methanol, ethanol, isopropanol and butanol, jetyl ether, dibutyl ether, diphenyl ether, tetrahydrofuran, dioxane, dioxolane, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether , Ether solvents such as propylene glycol monomethyl ether and propylene dalycol monoethyl ether, ketone solvents such as acetone, methyl isobutyl ketone, methyl ethyl ketone, and benzophenone, chloroform, dichloromethane, 1, 2 —Dichloroethane, 1, 1, 2, 2, 2-tetrachloroethane, halogenated solvents such as chlorobenzene, dichlorobenzene,
- the reaction solvent is used in an amount of 1.0 to 200.0 times by weight, preferably 2.0 to 00.0 times by weight, based on the total weight of the monomers to be applied. It is preferable to remove water by-produced at the initial stage of the condensation reaction or during the condensation reaction. As means for removing this water, there are means for removing water as an azeotrope by allowing toluene and xylene to coexist in the reaction system, and means for dehydrating by making a water absorbent such as molecular sieve coexist in the reaction system. Can be used.
- As the basic compound sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate or lithium hydrogen carbonate can be used, and a mixture of two or more basic compounds is used.
- potassium carbonate, sodium carbonate or sodium hydroxide is preferred.
- the basic compound is used in an amount of 0.90 to 10.00 mole equivalents, preferably 1.00 to 3 times the total number of mole equivalents of the nucleophilic group in the monomer used for the condensation reaction. It may be used at 00 molar equivalent times.
- the compound represented by the formula (2) and the compound represented by the formula (4) are used in advance with a basic compound, There is a method in which the compound represented by (1) and the compound represented by formula (3) are added, mixed and condensed. That is, a compound represented by the formula (2), a compound represented by the formula (4) and a basic compound are mixed in a reaction solvent, and then heat-treated as necessary to obtain a compound represented by the formula (2). And a compound represented by the formula (4) is allowed to act on the compound, and then the compound represented by the formula (1) and the compound represented by the formula (3) are added to carry out a condensation reaction.
- reaction solvent to be used and the amount to be used, the basic compound to be used and the amount to be used are the same as described above, and the reaction temperature and reaction time for the condensation reaction are also in the same range as described above.
- the removal of by-product water can be performed in the same manner as described above, and is represented by the formula (2).
- water is sufficiently removed as an azeotrope by coexisting toluene and xylene in the reaction system, and then the formula (1)
- a method may be used in which the compound represented by the formula (3) is added to perform a condensation reaction.
- the copolymer of the present invention is obtained.
- the weight composition ratio of the structural unit in which the acid group is introduced and the structural unit in which the acid group is not substantially introduced is not particularly limited.
- the structural unit is: 3:97 to 70:30, preferably 5:95 to 45:55, and 10:90 to 40, when expressed by [the structural unit in which an acid group is not substantially introduced]. : 60 is more preferable, and 20:80 to 35:65 is particularly preferable.
- a copolymer having an acid group-introduced structural unit within the above range when applied to a polymer electrolyte membrane of a fuel cell membrane, becomes a polymer electrolyte membrane with high proton conductivity and water resistance. .
- the weight composition ratio between the structural unit in which the acid group is introduced and the structural position in which the acid group is not substantially introduced can be controlled by the amount of the monomer used.
- the formula (1) And the total molar amount of the monomer having an acid group including the compound represented by formula (2) and the acid group including the compound represented by formula (3) and the compound represented by formula (4) It can be arbitrarily controlled by changing the molar ratio of the charge (mixing) at the initial stage of the reaction with the total molar amount of monomers that are substantially absent.
- the introduction amount of acid groups as a whole copolymer is expressed in terms of the number of equivalents of acid groups per 1 g of copolymer, that is, ion exchange capacity, 0.01 to lme qZg to 4.
- Ome q / g is preferable.
- 0.5 me qZg to 2.5 me QZ g is more preferable, and 1.3 me q / g to 2.3 meqg is particularly preferable.
- the ion exchange capacity is suitable in such a range is the same as the content weight ratio of the structural unit into which the acid group is introduced in the copolymer, and the ion exchange capacity is also Similarly, it can be controlled arbitrarily by changing the initial charge (mixing) molar ratio of each monomer.
- the average molecular weight of the copolymer of the present invention is preferably 5000 to 1000000 in terms of polystyrene-equivalent number average molecular weight, and particularly preferably 15000 to 200000.
- the average molecular weight can be controlled by the ratio of the total number of molar equivalents of the nucleophilic group of the monomer to be applied and the total number of molar equivalents of the leaving group, the reaction time, and the like.
- copolymer of the present invention is used as a diaphragm (polymer electrolyte membrane) of an electrochemical device such as a fuel cell will be described.
- the copolymer of the present invention is usually used in the form of a film.
- a method of forming a film from a solution state is preferably used.
- the film is formed by dissolving the copolymer in an appropriate solvent, casting the solution on a glass plate, and removing the solvent.
- the solvent used for film formation is not particularly limited as long as it can dissolve the copolymer and can be removed thereafter.
- the thickness of the film is not particularly limited, but is preferably from 10 to 300 m, and particularly preferably from 20 to 100 m. Films thinner than 10 m may have insufficient practical strength, and films thicker than 300 m tend to have higher membrane resistance and lower electrochemical device characteristics.
- the film thickness can be controlled by the concentration of the solution and the coating thickness on the substrate.
- plasticizers, stabilizers, release agents and the like used for ordinary polymers can be added to the copolymer of the present invention.
- other polymers can be mixed with the same solvent by the method of co-casting in the same solvent. It is also possible to combine and form a composite alloy.
- the polymer electrolyte membrane is constituted by irradiating with an electron beam or radiation.
- the polymer electrolyte can also be crosslinked.
- a porous substrate is impregnated with the copolymer of the present invention to form a polymer electrolyte composite membrane.
- a known method can be used as the compounding method.
- the porous substrate is not particularly limited as long as it satisfies the above-mentioned purpose of use, and examples thereof include porous membranes, woven fabrics, non-woven fabrics, and fibrils, and they can be used regardless of their shapes and materials.
- the porous substrate has a thickness of 1 to 100 m, preferably 3 to 30 / m. More preferred is 5 to 2 mm, pore size is 0.01 to 100 im, preferably 0.02 to 10 m, porosity is 20 to 98%, Preferably it is 40 to 95%. If the thickness of the porous substrate is too thin, the effect of reinforcing the strength after compounding or the flexibility and durability will be insufficient, and the reinforcing effect will become insufficient, and gas leaks (cross leaks) are likely to occur. .
- the film thickness is too thick, the electrical resistance increases, and the resulting composite membrane is insufficient as a diaphragm for a polymer electrolyte fuel cell.
- the pore diameter is too small, it is difficult to fill the copolymer of the present invention, and when it is too large, the reinforcing effect on the polymer solid electrolyte is weakened.
- the porosity is too small, the resistance of the composite membrane increases. If it is too large, the strength of the porous substrate itself is generally weakened and the reinforcing effect is reduced.
- the porous base material is preferably a base material made of an aliphatic polymer, an aromatic polymer, or a fluorine-containing polymer.
- the fuel cell of the present invention will be described.
- fuel cells that use polymer electrolyte membranes include solid polymer fuel cells that use hydrogen gas as fuel, and methanol that burns. There is a direct methanol type solid polymer fuel cell to be directly supplied as a material, and the copolymer of the present invention can be suitably used for either of them.
- the fuel cell obtained by the present invention uses the copolymer of the present invention as a polymer electrolyte membrane and Z or a polymer electrolyte composite membrane, or uses the polymer electrolyte of the present invention as a polymer electrolyte in a catalyst layer. Can be mentioned.
- a fuel cell using the copolymer of the present invention as a polymer electrolyte membrane or a polymer electrolyte composite membrane has a catalyst and a gas diffusion layer bonded to both surfaces of the polymer electrolyte membrane or the polymer electrolyte composite membrane.
- a known material can be used for the gas diffusion layer, but a porous carbon woven fabric, carbon non-woven fabric or carbon paper is preferable in order to efficiently transport the source gas to the catalyst.
- the catalyst is not particularly limited as long as it can activate the oxidation-reduction reaction with hydrogen or oxygen, and a known catalyst can be used, but platinum fine particles are preferably used.
- the platinum fine particles are often preferably those supported on particulate or fibrous carbon such as activated carbon or graphite.
- platinum supported on carbon is mixed with an alcohol solution of a perfluoroalkylsulfonic acid resin as a polymer electrolyte to form a paste, which is a gas diffusion layer, a polymer electrolyte membrane, or a polymer electrolyte.
- a catalyst layer is obtained by applying and drying to the composite membrane.
- known methods such as those described in J. Electroch em. Soc .: Electr oc h emi cal Science and T e hnology, 1988, 135 (9), 2209, etc. This method can be used.
- the copolymer of the present invention As a fuel cell using the copolymer of the present invention as a polymer electrolyte in the catalyst layer, the copolymer of the present invention was used in place of the perfluoroalkylsulfonic acid resin constituting the catalyst layer. Things can be mentioned.
- the polymer electrolyte membrane is not limited to the membrane using the copolymer of the present invention, and a known polymer electrolyte membrane can be used.
- the solvent used for preparing the catalyst paste is arbitrary and is not particularly limited, but other than the solvent constituting the catalyst paste. It is desirable to dissolve these components, to disperse them uniformly at the molecular level, or to form aggregates at the nanometer to micrometer level and disperse the aggregates.
- the solvent may be single or one, or may be a mixture of a plurality of solvents, and the same solvents as those mentioned above that can be used when forming the above-mentioned copolymer can be used.
- a water repellent material such as PTFE is used, and for the purpose of increasing the gas diffusibility of the catalyst layer, carbonic acid is used.
- a pore former such as calcium may contain a stabilizer such as a metal oxide or a polymer having a phosphonic acid group for the purpose of further enhancing the durability.
- the catalyst paste is obtained by mixing the above-described polymer electrolyte, the catalyst material and the conductive material carrying the catalyst material on the surface, the solvent, and other components by a known method. is there.
- the mixing method include an ultrasonic dispersing device, a homogenizer, a ball mill, a planetary ball mill, and a sand mill.
- the method of directly applying the catalyst paste is not particularly limited, and existing methods such as a die coater, screen printing, spray method, and ink jet method can be used.
- the spray method is industrially operated. It is preferable because it is simple.
- a method for spraying the catalyst paste for example, an apparatus and a method described in JP-A No. 2000-899776 can be specifically exemplified, and these can be used. That is, a polymer electrolyte membrane is placed on the stage, and a catalyst ink is directly applied to the polymer electrolyte membrane. In the spray method, catalyst ink scatters in the form of particles from the discharge port and adheres to the polymer electrolyte membrane.
- the stage is preferably heated in order to remove the solvent immediately after coating, and the temperature is preferably from 50 to 1550. If the temperature range is in the above range, the solvent of the catalyst ink is easily removed and the polymer electrolyte membrane is less likely to be thermally damaged, which is preferable. Thus, following the application by the spray method, the solvent is removed by heating the stage, and the catalyst layer is produced on the polymer electrolyte membrane. In order to make the removal of the solvent more reliable, the membrane on which the catalyst layer is manufactured is placed in a heated oven or the like and dried. Or may be vacuum-dried as necessary.
- a suitable solvent constituting the catalyst paste is a solvent having a boiling point of 150 ⁇ or less, such as an alcohol solvent such as water, methanol, ethanol or di: tilether, tetrahydrofuran, etc.
- An ether solvent or a mixed solvent thereof may be used, and the copolymer of the present invention is also excellent in that it is easily soluble in these solvents.
- the catalyst paste may be sprayed a plurality of times, and a layer by each spray may be applied over the polymer electrolyte membrane to form a multilayer coating.
- the number average molecular weight (Mn) in terms of polystyrene was measured by gel permeation chromatography (GPC) under the following conditions.
- the AC method was used under the conditions of a temperature of 80 ⁇ and a relative humidity of 90%.
- the dried polymer electrolyte membrane was weighed, immersed in 100 deionized water for 2 hours, the water absorption was calculated from the increase in membrane weight, and the ratio to the dry membrane was determined.
- copolymer A The polymerization was carried out in a 20 OmL separable flask equipped with a De an -Stark tube, and potassium hydroquinonesulfonate 3.50 g (15. 33 mmo 1), 4, 4 '—dihydroxybiphenyl 6..29 g ( 33.76 mmo 1), potassium carbonate 7.36 g (53.24 mmo 1), dimethyl sulfoxide 121 ml, toluene 70 ml 1, under argon atmosphere, bath temperature 150 ° C (internal temperature 130 ⁇ 5 ) 1. Azeotropic dehydration was performed for 5 hours. 1. After 5 hours, toluene was removed from the system and allowed to cool to room temperature.
- Copolymer A is a polymer having the structural units shown below. The molar ratio of each structural unit calculated from the charged amount to the total of the structural units of (A-a), (Ab), (Ac) and (Ad).
- Copolymer B is a polymer having the structural units shown below.
- Copolymer C is a polymer having the structural units shown below.
- the polymerization was carried out in a 50 OmL separable flask equipped with a De anS tark tube, and 4,4'-difluorodiphenylsulfone 12.74 g (50.10 mmol), 4,4'-dihydroxybiphenyl. 18. 62 g (100. 00 mm o 1), 3, 3'-sulfonylbis (6-fluorobenzenesulfonate potassium) 25. 08 g (50.00 mm ol), potassium carbonate 15. 20 g (110.
- Copolymer D is a polymer having the structural units shown below.
- Copolymer E is a polymer having the structural units shown below.
- the polymerization was carried out in a 20 OmL separable flask equipped with a De an-Stark tube, and 3.00 g (13.14 mmol) of potassium hydroquinonesulfonate, 4, 4, 1 dihydroxy_ 3, 3 '— diphenyl Rubiphenyl 5.79 g (17.11 1 mmol), 2,2 'monobis (4-hydroxyphenyl) propane 3.91 (17.11 mmol), 3,3'-sulfonylbis ( 6-Fluorobenzenesulphonate) 7.74 g (15. 77 mmo l), 4, 4 '-Difluorodiphenylsulfone 8.04 g (31.
- copolymer F shown below was obtained. Film formation was performed in accordance with Example 1.
- Copolymer F is a polymer having the structural units shown below.
- a polymer electrolyte membrane comprising a block copolymer type polymer electrolyte represented by the following formula was obtained. Specifically, a first polymer compound having an ion-exchange group and a second polymer compound having substantially no ion-exchange group were respectively synthesized as shown below, and these were further cupped. Ringed block copolymer type polymer electrolyte. (Synthesis of the first polymer compound)
- This first polymer compound had an Mn of 3.0 ⁇ 10 4 .
- Nl and ml represent the average degree of polymerization of each block of the block copolymer type polymer electrolyte.
- N l 36.2 calculated from the charge, and 2 ml 10.5.
- the polymer electrolyte membrane made of the block copolymer type polymer electrolyte thus obtained is cut into a square shape and set on a heating stage, and the catalyst is sprayed onto the 5.2 cm square area at the center of the main surface of the membrane.
- Ink A was applied.
- the distance from the discharge port to the membrane was set to 5 cm, and the stage temperature was set to 76 t :. After coating, it was left on the stage for 3 minutes to remove the solvent and form a catalyst layer.
- the polymer electrolyte membrane provided with the catalyst layer on one side thus obtained was turned upside down and set on a heating stage.
- the catalyst layer from catalyst ink A was also applied to the other side.
- the amount of platinum in the catalyst layer determined from the weight composition of the catalyst layer and the weight of the applied catalyst layer was 0.6 mgZcm 2 per side. .
- a fuel cell was manufactured using a commercially available JAR I standard cell. Specifically, carbon cross as a gas diffusion layer and a carbon separator with a gas channel groove cut are disposed on both catalyst layers of the membrane-catalyst layer assembly obtained as described above. A fuel cell with an effective membrane area of 25 cm 2 was assembled by arranging a current collector and an end plate in order on the outside of the plate and tightening them with a bolt.
- N 2 and m 2 represent the molar ratio of each structural unit of the random copolymer type polymer electrolyte.
- a uniform copolymer B solution (concentration of copolymer A; 5% by weight) was prepared by mixing 9.5 g of NMP and 5 g of copolymer GO. Separately, 0.64 g of platinum-supported carbon (S A50 BK, manufactured by EN Chem. Kyat; 50% by weight of platinum) was added to 1 lmL of ethanol, and the copolymer A solution prepared earlier was added. 1. Added 05 g. The resulting mixture was sonicated for 1 hour and then stirred with a stirrer for 6 hours to obtain catalyst ink B. [Manufacture of polymer electrolyte membranes]
- the polymer electrolyte membrane made of a block copolymer type polymer electrolyte used in Example 5 was used.
- a carbon cloth as a gas diffusion layer was cut into a square and set on a heating stage, and catalyst ink B was applied to a 5.2 cm square area at the center of the main surface of the carbon cloth by a spray method.
- the distance from the discharge port to the membrane was set to 5 cm, and the stage temperature was set to 76 :. After coating, it was left on the stage for 3 minutes to remove the solvent and form a catalyst layer.
- Two force bon cloths having a catalyst layer formed by this method were produced.
- the platinum amount of the catalyst layer determined from the weight composition of the catalyst layer and the weight of the applied catalyst layer was 0.6 mgZcm 2 , respectively.
- a fuel cell was manufactured using a commercially available JAR I standard cell. That is, a carbon separator with a gas channel groove cut is disposed on both gas diffusion layers of the membrane-electrode assembly obtained above, and a current collector and an end plate are sequentially disposed on the outer side thereof. By fastening these with bolts, a fuel cell with an effective membrane area of 25 cm 2 was assembled.
- the copolymer of the present invention when used as a proton conductive membrane in a fuel tank, is industrially advantageous as a polymer electrolyte because it exhibits high power generation characteristics.
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Description
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CA002634062A CA2634062A1 (en) | 2005-12-20 | 2006-12-19 | Copolymer, polymer electrolyte and use thereof |
DE112006003456T DE112006003456T5 (de) | 2005-12-20 | 2006-12-19 | Copolymer, Polymerelektrolyt und seine Verwendung |
GB0812688A GB2448441A (en) | 2005-12-20 | 2008-07-10 | Copolymer,polymer electrolyte and use thereof |
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JP2005366013 | 2005-12-20 | ||
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KR (1) | KR20080079319A (ja) |
CA (1) | CA2634062A1 (ja) |
DE (1) | DE112006003456T5 (ja) |
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JP2013066877A (ja) * | 2011-09-26 | 2013-04-18 | Toshiba Corp | 減酸素素子、減酸素装置及び冷蔵庫 |
WO2015005495A1 (ja) * | 2013-07-11 | 2015-01-15 | 住友化学株式会社 | 樹脂組成物及び炭酸ガス分離膜 |
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US8197955B2 (en) * | 2008-09-02 | 2012-06-12 | General Electric Company | Electrolyte membrane, methods of manufacture thereof and articles comprising the same |
Citations (4)
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WO2005013399A1 (ja) * | 2003-07-31 | 2005-02-10 | Toyo Boseki Kabushiki Kaisha | 電解質膜・電極構造体およびそれを用いた燃料電池、電解質膜・電極構造体の製造方法 |
WO2005037892A1 (ja) * | 2003-10-17 | 2005-04-28 | Sumitomo Chemical Company, Limited | ブロック共重合体及びその用途 |
WO2005063854A1 (ja) * | 2003-12-25 | 2005-07-14 | Sumitomo Chemical Company, Limited | 高分子電解質およびその用途 |
JP2005232439A (ja) * | 2004-01-16 | 2005-09-02 | Idemitsu Kosan Co Ltd | ポリアリールエーテル共重合体、その製造方法及びそれを用いた高分子電解質膜 |
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JP3724064B2 (ja) | 1996-06-28 | 2005-12-07 | 住友化学株式会社 | 燃料電池用高分子電解質及び燃料電池 |
DE60143444D1 (de) | 2000-09-20 | 2010-12-23 | Virginia Tech Intell Prop | Ionenleitende sulfonierte polymerische materialien |
US7361729B2 (en) | 2000-09-20 | 2008-04-22 | Virginia Tech Intellectual Properties, Inc. | Ion-conducting sulfonated polymeric materials |
JP3599041B2 (ja) | 2001-05-08 | 2004-12-08 | 宇部興産株式会社 | 固体高分子型燃料電池用高分子電解質及び燃料電池 |
JP4437272B2 (ja) | 2002-08-30 | 2010-03-24 | ノードソン株式会社 | 液体のスプレイ方法 |
JP3928611B2 (ja) | 2002-10-08 | 2007-06-13 | 東洋紡績株式会社 | ポリアリーレンエーテル系化合物、それを含有する組成物、およびそれらの製造方法 |
DE602004016736D1 (de) | 2003-03-19 | 2008-11-06 | Virginia Tech Intell Prop | Aromatisches nitril enthaltendes ionenleitendes sulfoniertes polymermaterial |
JP4424129B2 (ja) | 2003-10-17 | 2010-03-03 | 住友化学株式会社 | ブロック共重合体及びその用途 |
-
2006
- 2006-12-19 DE DE112006003456T patent/DE112006003456T5/de not_active Withdrawn
- 2006-12-19 WO PCT/JP2006/325700 patent/WO2007072978A1/ja active Application Filing
- 2006-12-19 KR KR1020087017262A patent/KR20080079319A/ko not_active Application Discontinuation
- 2006-12-19 CA CA002634062A patent/CA2634062A1/en not_active Abandoned
- 2006-12-20 TW TW095147951A patent/TW200735955A/zh unknown
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WO2005013399A1 (ja) * | 2003-07-31 | 2005-02-10 | Toyo Boseki Kabushiki Kaisha | 電解質膜・電極構造体およびそれを用いた燃料電池、電解質膜・電極構造体の製造方法 |
WO2005037892A1 (ja) * | 2003-10-17 | 2005-04-28 | Sumitomo Chemical Company, Limited | ブロック共重合体及びその用途 |
WO2005063854A1 (ja) * | 2003-12-25 | 2005-07-14 | Sumitomo Chemical Company, Limited | 高分子電解質およびその用途 |
JP2005232439A (ja) * | 2004-01-16 | 2005-09-02 | Idemitsu Kosan Co Ltd | ポリアリールエーテル共重合体、その製造方法及びそれを用いた高分子電解質膜 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013066877A (ja) * | 2011-09-26 | 2013-04-18 | Toshiba Corp | 減酸素素子、減酸素装置及び冷蔵庫 |
WO2015005495A1 (ja) * | 2013-07-11 | 2015-01-15 | 住友化学株式会社 | 樹脂組成物及び炭酸ガス分離膜 |
JP2015017185A (ja) * | 2013-07-11 | 2015-01-29 | 住友化学株式会社 | 樹脂組成物、炭酸ガス分離膜、炭酸ガス分離膜モジュールおよび炭酸ガス分離装置 |
US20160158692A1 (en) * | 2013-07-11 | 2016-06-09 | Sumitomo Chemical Company, Limited | Resin composition and carbon dioxide gas separation membrane |
US9764276B2 (en) | 2013-07-11 | 2017-09-19 | Sumitomo Chemical Company, Limited | Resin composition and carbon dioxide gas separation membrane |
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DE112006003456T5 (de) | 2008-10-30 |
KR20080079319A (ko) | 2008-08-29 |
TW200735955A (en) | 2007-10-01 |
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