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公开(公告)号：KR20200135370A
公开(公告)日：2020-12-02
申请号：KR20207027698
申请日：2019-03-19
Applicant: TORAY INDUSTRIES
Inventor： KUNITA TOMOYUKI , UMEDA HIROAKI , INOUE TATSUHIRO
IPC: H01M8/1051 , H01M4/86 , H01M8/1004 , H01M8/1018 , H01M8/1044 , H01M8/106
Abstract: 본발명은전해질막에물리적인처리를실시하는일 없이, 또한표면개질효과가실활되는일 없이촉매층과의접합성을개선하고, 양호한발전성능을실현하는전해질막을제공하는것을목적으로한다. 상기목적을달성하기위해서본 발명의전해질막은고분자전해질과, 비이온성불소계계면활성제를포함한다.
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公开(公告)号：CA3154666A1
公开(公告)日：2021-03-25
申请号：CA3154666
申请日：2020-09-11
Applicant: TORAY INDUSTRIES
Inventor： MINAMIBAYASHI KENTA , KUNITA TOMOYUKI , OGATA DAISUKE , IZUHARA DAISUKE
IPC: H01M8/1044 , H01B1/06 , H01B13/00 , H01M8/106 , H01M8/1067 , H01M8/1081 , H01M8/1086
Abstract: A composite electrolyte membrane with a composite layer in which a hydrocarbon polymer electrolyte has been combined with a porous fluorine-containing polymer base material, wherein the fractal dimension D representing the distribution of the hydrocarbon polymer electrolyte and the porous fluorine-containing polymer base material in the composite layer is at least 1.7. The purpose of the present invention is to achieve high proton conduction ability and high mechanical durability in a composite electrolyte membrane comprising a hydrocarbon polymer electrolyte and a porous fluorine-containing polymer base material.
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公开(公告)号：CA2944372C
公开(公告)日：2022-08-09
申请号：CA2944372
申请日：2015-03-27
Applicant: TORAY INDUSTRIES
Inventor： KUNITA TOMOYUKI , IZUHARA DAISUKE , UMEDA HIROAKI
Abstract: The objective of the present invention is to provide: a practically excellent polymer electrolyte composition which has excellent chemical stability that is capable of withstanding a strong oxidizing atmosphere during the operation of a fuel cell, while achieving excellent proton conductivity under low humidification conditions, excellent mechanical strength and excellent physical durability; a polymer electrolyte membrane which uses this polymer electrolyte composition; a membrane electrode assembly; and a solid polymer fuel cell. A polymer electrolyte composition which contains (A) an ionic group-containing polymer, (B) a compound having an azole ring and (C) a transition metal-containing additive, and wherein the transition metal is composed of one or more metals selected from the group consisting of cobalt, nickel, ruthenium, rhodium, palladium, silver and gold.
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公开(公告)号：CA2944439A1
公开(公告)日：2015-10-15
申请号：CA2944439
申请日：2015-04-03
Applicant: TORAY INDUSTRIES
Inventor： UMEDA HIROAKI , IZUHARA DAISUKE , KUNITA TOMOYUKI
IPC: H01M8/02 , C08K5/34 , C08K5/3445 , C08K5/3462 , C08K5/49 , C08L71/08 , C08L101/02 , H01B1/06 , H01M8/10
Abstract: [Problem] To provide: a polymer electrolyte composition that has excellent chemical stability that makes it possible to withstand a strong oxidizing atmosphere during fuel cell operation, that makes it possible to achieve excellent protonic conductivity under low humidity conditions, excellent mechanical strength, and excellent physical durability, and that is highly practical; and a polymer electrolyte membrane, a membrane-electrode assembly, and a solid polymer fuel cell that use the polymer electrolyte composition. [Solution] A polymer electrolyte composition that comprises at least an ionic group-containing polymer (A), an organic phosphorus-based additive (C), and a nitrogen-containing heteroaromatic ring system additive (D) and that is characterized by the nitrogen-containing heteroaromatic ring system additive (D) comprising at least three nitrogen-containing heteroaromatic rings within a molecule thereof. In addition, the polymer electrolyte membrane, the catalyst layer-equipped electrolyte membrane, the membrane-electrode assembly, and the solid polymer fuel cell of the present invention are characterized by being configured using the polymer electrolyte composition.
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公开(公告)号：CA2941371A1
公开(公告)日：2015-09-11
申请号：CA2941371
申请日：2015-03-06
Applicant: TORAY INDUSTRIES
Inventor： KUNITA TOMOYUKI , IZUHARA DAISUKE , UMEDA HIROAKI
IPC: H01M8/02 , C08G81/00 , C08J5/22 , C08L79/04 , C08L101/02 , H01B1/06 , H01B13/00 , H01M4/88 , H01M8/10
Abstract: The present invention provides: a polymer electrolyte composition having superior utility by having superior chemical stability able to withstand a strongly oxidizing atmosphere during fuel cell operation and moreover being able to achieve physical durability, superior mechanical strength, and superior proton conductivity under low humidification conditions; and a solid polymer fuel cell, membrane-electrode assembly, and polymer electrolyte membrane using the polymer electrolyte composition. The polymer electrolyte membrane contains at least a polyazole and an ionic-group-containing polymer electrolyte, wherein a separation of phases of 2 nm or greater having the polyazole as the primary component is not observed under transmission electron microscope.
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Patent Agency Ranking
公开(公告)号：CA2833684C
公开(公告)日：2014-04-15
申请号：CA2833684
申请日：2012-06-27
Applicant: TORAY INDUSTRIES
Inventor： IZUHARA DAISUKE , UMEDA HIROAKI , AMANO EMI , KUNITA TOMOYUKI
Abstract: Provided are an aromatic sulfonic acid derivative and a sulfonic acid group-containing polymer, each of which has excellent proton conductivity even under low humidification conditions, while having excellent mechanical strength and chemical stability, and enables a solid polymer fuel cell to achieve high output and excellent physical durability when used therein. This aromatic sulfonic acid derivative has a specific structure and is characterized in that a sulfonic acid group is introduced into more than 50% of all the phenyl groups. This sulfonic acid group-containing polymer is characterized by being obtained by polymerization using the aromatic sulfonic acid derivative, and is also characterized by having a specific structure.
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公开(公告)号：CA2833684A1
公开(公告)日：2013-01-03
申请号：CA2833684
申请日：2012-06-27
Applicant: TORAY INDUSTRIES
Inventor： IZUHARA DAISUKE , UMEDA HIROAKI , AMANO EMI , KUNITA TOMOYUKI
Abstract: Provided are an aromatic sulfonic acid derivative and a sulfonic acid group-containing polymer, each of which has excellent proton conductivity even under low humidification conditions, while having excellent mechanical strength and chemical stability, and enables a solid polymer fuel cell to achieve high output and excellent physical durability when used therein. This aromatic sulfonic acid derivative has a specific structure and is characterized in that a sulfonic acid group is introduced into more than 50% of all the phenyl groups. This sulfonic acid group-containing polymer is characterized by being obtained by polymerization using the aromatic sulfonic acid derivative, and is also characterized by having a specific structure.
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公开(公告)号：CA3013441C
公开(公告)日：2022-09-20
申请号：CA3013441
申请日：2017-02-13
Applicant: TORAY INDUSTRIES , JAPAN VILENE CO LTD
Inventor： OKAMOTO YUMIKO , IZUHARA DAISUKE , YAMAGUCHI JUNPEI , SHIRAI SHUSUKE , KUNITA TOMOYUKI , UMEDA HIROAKI , WAKAMOTO YUUTA , ITO TATSUNORI , MICHIHATA NORIKO , TARAO TAKASHI
IPC: H01M8/02 , C08G65/40 , C08J5/04 , C08J5/20 , C08L71/08 , C08L79/04 , C08L101/12 , D04H1/4326 , D04H1/728 , H01B1/06 , H01B13/00 , H01M8/10
Abstract: Provided are: a composite polymer electrolytic membrane that has excellent proton conductivity even under low-humidification and low-temperature conditions, a small dimensional change rate, and excellent mechanical strength and chemical stability, and that is capable of achieving a high output and excellent physical durability when being used in a solid polymer fuel cell; and a membrane electrode composite and a solid polymer fuel cell using the composite polymer electrolytic membrane. This composite polymer electrolytic membrane has a composite layer formed by combining a polyazole-containing nanofiber unwoven fabric (A) and an ionic-group-containing polymer electrolyte (B), and is characterized in that the polyazole-containing nanofiber unwoven fabric (A) is basic.
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公开(公告)号：CA2944439C
公开(公告)日：2021-10-26
申请号：CA2944439
申请日：2015-04-03
Applicant: TORAY INDUSTRIES
Inventor： UMEDA HIROAKI , IZUHARA DAISUKE , KUNITA TOMOYUKI
IPC: H01M8/02 , C08K5/34 , C08K5/3445 , C08K5/3462 , C08K5/49 , C08L71/08 , C08L101/02 , H01B1/06 , H01M8/10
Abstract: [Problem] To provide: a polymer electrolyte composition that has excellent chemical stability that makes it possible to withstand a strong oxidizing atmosphere during fuel cell operation, that makes it possible to achieve excellent protonic conductivity under low humidity conditions, excellent mechanical strength, and excellent physical durability, and that is highly practical; and a polymer electrolyte membrane, a membrane-electrode assembly, and a solid polymer fuel cell that use the polymer electrolyte composition. [Solution] A polymer electrolyte composition that comprises at least an ionic group-containing polymer (A), an organic phosphorus-based additive (C), and a nitrogen-containing heteroaromatic ring system additive (D) and that is characterized by the nitrogen-containing heteroaromatic ring system additive (D) comprising at least three nitrogen-containing heteroaromatic rings within a molecule thereof. In addition, the polymer electrolyte membrane, the catalyst layer-equipped electrolyte membrane, the membrane-electrode assembly, and the solid polymer fuel cell of the present invention are characterized by being configured using the polymer electrolyte composition.
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公开(公告)号：CA2844911C
公开(公告)日：2019-03-12
申请号：CA2844911
申请日：2012-08-21
Applicant: TORAY INDUSTRIES
Inventor： IZUHARA DAISUKE , AMANO EMI , UMEDA HIROAKI , KUNITA TOMOYUKI
Abstract: To provide: a block copolymer that exhibits excellent proton conductivity even under low-humidification conditions, exhibits excellent mechanical strength and chemical stability, and when used in a polymer electrolyte fuel cell, allows high output and excellent physical durability; a polymer electrolyte material; and a polymer electrolyte form article and a polymer electrolyte fuel cell, using the same. The block copolymer of the present invention includes each one or more of : a segment (A1) containing an ionic group; a segment (A2) not containing an ionic group; and a linker moiety connecting the segments. The segment (A1) containing an ionic group comprises a constituent unit represented by a specific structure. The polymer electrolyte material, the polymer electrolyte form article, and the polymer electrolyte fuel cell according to the present invention are manufactured by using the above block copolymer.
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