公开(公告)号：US09685674B2

公开(公告)日：2017-06-20

申请号：US14367139

申请日：2012-12-14

Applicant: TORAY INDUSTRIES, INC.

Inventor： Daisuke Izuhara ,  Tomoyuki Kunita ,  Yuka Yachi

IPC: H01M8/1048 ,  C08K5/5337 ,  C08J5/22 ,  H01B1/22 ,  H01B1/12 ,  H01M8/1025 ,  H01M8/1051 ,  H01M8/1018

CPC classification number: H01M8/1048 ,  C08J5/2256 ,  C08J2371/12 ,  C08K5/5337 ,  H01B1/122 ,  H01B1/22 ,  H01M8/1025 ,  H01M8/1051 ,  H01M2008/1095

Abstract: Provided are: a practically excellent polymer electrolyte composition having excellent chemical stability of being resistant to strong oxidizing atmosphere during operation of fuel cell, and achieving excellent proton conductivity under low-humidification conditions, excellent mechanical strength and physical durability; a polymer electrolyte membrane, a membrane electrode assembly, and a polymer electrolyte fuel cell each using the same. The polymer electrolyte composition of the present invention comprises at least an ionic group-containing polymer (A) and a phosphorus-containing additive (B), the phosphorus-containing additive (B) being at least one of a phosphine compound and a phosphinite compound. The polymer electrolyte membrane, the membrane electrode assembly, and the polymer electrolyte fuel cell of the present invention are structured by the polymer electrolyte composition.

公开(公告)号：US20170125832A1

公开(公告)日：2017-05-04

申请号：US15302073

申请日：2015-04-03

Applicant: Toray Industries, Inc.

Inventor： Hiroaki Umeda ,  Daisuke Izuhara ,  Tomoyuki Kunita

IPC: H01M8/1051 ,  H01M8/1004 ,  H01M8/1025

CPC classification number: H01M8/1051 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1044 ,  H01M8/1046 ,  H01M8/1048 ,  H01M2008/1095 ,  H01M2300/0082

Abstract: A polymer electrolyte composition includes at least an ionic group-containing polymer (A), an organic phosphorus-based additive (C), and a nitrogen-containing heteroaromatic additive (D), the nitrogen-containing heteroaromatic additive (D) containing at least three nitrogen-containing heteroaromatic rings in one molecule.

公开(公告)号：US20170037207A1

公开(公告)日：2017-02-09

申请号：US15301018

申请日：2015-03-27

Applicant: Toray Industries, Inc.

Inventor： Tomoyuki Kunita ,  Daisuke Izuhara ,  Hiroaki Umeda

IPC: C08J5/22 ,  C08G75/23 ,  H01B1/12 ,  C08G73/18 ,  H01M8/103 ,  H01M8/1051 ,  C08G65/40 ,  C08G61/10

CPC classification number: C08J5/2275 ,  B05D5/12 ,  C08G61/10 ,  C08G65/4018 ,  C08G65/4025 ,  C08G65/4043 ,  C08G73/18 ,  C08G75/23 ,  C08G2261/126 ,  C08G2261/1452 ,  C08G2261/312 ,  C08G2261/516 ,  C08G2650/40 ,  C08G2650/44 ,  C08J5/2281 ,  C08J2365/02 ,  C08J2371/10 ,  C08J2379/04 ,  C08J2381/06 ,  C08K2003/0831 ,  C08L73/00 ,  C09D179/04 ,  H01B1/122 ,  H01M4/8663 ,  H01M8/10 ,  H01M8/103 ,  H01M8/1051 ,  H01M2008/1095 ,  C08K3/08 ,  C08L71/12

Abstract: A polymer electrolyte composition has excellent practicality and excellent chemical stability as to be able to withstand a strong oxidizing atmosphere during fuel cell operation and is able to achieve excellent proton conductivity under a low-humidified condition and excellent mechanical strength and physical durability, and a polymer electrolyte membrane, a membrane-electrode assembly, and a polymer electrolyte fuel cell produced therefrom. The polymer electrolyte composition includes an ionic group-containing polymer (A), an azole ring-containing compound (B), and a transition metal-containing additive (C), the transition metal being one or more selected from the group consisting of cobalt, nickel, ruthenium, rhodium, palladium, silver, and gold.

Abstract translation: 聚合物电解质组合物具有优异的实用性和优异的化学稳定性，能够在燃料电池操作期间承受强烈的氧化气氛，并且能够在低加湿条件下获得优异的质子传导性，并且具有优异的机械强度和物理耐久性，以及聚合物 电解质膜，膜 - 电极组件和由其制造的聚合物电解质燃料电池。 聚合物电解质组合物包含含离子性基团的聚合物（A），含唑环化合物（B）和含过渡金属的添加剂（C），所述过渡金属为选自钴 ，镍，钌，铑，钯，银和金。

公开(公告)号：US20150295262A1

公开(公告)日：2015-10-15

申请号：US14647781

申请日：2013-11-22

Applicant: TORAY INDUSTRIES, INC.

Inventor： Tomoyuki Kunita ,  Daisuke Izuhara ,  Naoki Shimoyama ,  Yuka Fujieda ,  Hiroaki Umeda

IPC: H01M8/10

CPC classification number: H01M8/103 ,  C08G2650/40 ,  C08J5/2256 ,  C08J2371/10 ,  C08K5/3437 ,  C08K5/42 ,  C08L71/00 ,  C08L71/10 ,  C08L101/02 ,  H01B1/122 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1044 ,  H01M8/1051 ,  H01M2008/1095 ,  H01M2250/20 ,  H01M2250/30 ,  H01M2300/0082 ,  Y02B90/18 ,  Y02E60/521 ,  Y02T90/32

Abstract: The present invention provides: a polymer electrolyte composition which can achieve excellent proton conductivity under slightly humidified conditions, excellent mechanical strength and excellent physical durability, has excellent practicality, and can be produced using a nitrogen-containing additive, wherein the nitrogen-containing additive can prevent the elution of the additive under a strongly acidic atmosphere during the operation of a fuel cell, has excellent chemical stability so as to tolerate a strongly acidic atmosphere, can be dissolved in various general-purpose organic solvents, has superior processability, can be mixed with an ionic-group-containing polymer, can prevent the occurrence of phase separation during the formation of a film, and can prevent the formation of an island-in-sea-like phase separation structure or the occurrence of bleeding out during the formation of a film; and a polymer electrolyte membrane, a membrane electrode assembly and a polymer electrolyte fuel cell, each of which is produced using the polymer electrolyte composition. The polymer electrolyte composition according to the present invention comprises at least an ionic-group-containing polymer (A) and a nitrogen-containing additive (B), said polymer electrolyte composition being characterized in that the nitrogen-containing additive (B) is represented by a specific structural formula.

Abstract translation: 本发明提供：在微加湿条件下能够获得优异的质子传导性，优异的机械强度和优异的物理耐久性的高分子电解质组合物具有优异的实用性，可以使用含氮添加剂制造含氮添加剂 在燃料电池运行过程中阻止添加剂在强酸性气氛下的溶出，具有优异的化学稳定性，耐受强酸性气氛，可溶于各种通用有机溶剂，具有优异的加工性能，可混合 具有含离子基团的聚合物可以防止在膜形成期间发生相分离，并且可以防止海岛状相分离结构的形成或在形成期间出现渗出的情况 一个电影; 以及使用高分子电解质组合物制造的高分子电解质膜，膜电极接合体和固体高分子型燃料电池。 本发明的高分子电解质组合物至少含有含离子性基团的聚合物（A）和含氮添加剂（B），所述高分子电解质组合物的特征在于，含氮添加剂（B） 通过具体的结构式。

公开(公告)号：US12040497B2

公开(公告)日：2024-07-16

申请号：US18132469

申请日：2023-04-10

Applicant: TORAY INDUSTRIES, INC.

Inventor： Ryuta Sakashita ,  Yuta Shintaku ,  Daisuke Izuhara ,  Kiyoshi Minoura ,  Mei Abe

IPC: H01M4/88 ,  B29C65/48 ,  B32B37/00 ,  H01M8/10 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1032 ,  H01M8/1039

CPC classification number: H01M4/8896 ,  B29C65/4895 ,  B32B37/0038 ,  H01M4/8814 ,  H01M4/8878 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1032 ,  H01M8/1039 ,  H01M2008/1095

Abstract: An object of the present invention is to provide, in the manufacture of a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, a method that achieves both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity. A main object of the present invention is to provide a method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including a liquid application step of applying a liquid to a surface of the catalyst layer before bonding, and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer to which the liquid is applied by thermocompression bonding.

公开(公告)号：US10483577B2

公开(公告)日：2019-11-19

申请号：US15557217

申请日：2016-03-10

Applicant: Toray Industries, Inc.

Inventor： Junpei Yamaguchi ,  Daisuke Izuhara ,  Hiroaki Umeda ,  Yumiko Okamoto

IPC: H01M8/00 ,  H01M8/106 ,  C08G81/00 ,  H01B1/12 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1053 ,  H01M8/1072 ,  H01M8/1018

Abstract: A composite polymer electrolyte membrane includes a composite layer of an aromatic hydrocarbon-based polymer electrolyte and a fluorine-containing polymer porous membrane, wherein a ratio (O/F ratio) of an atomic composition percentage of oxygen O (at %) to an atomic composition percentage of fluorine F (at %) on an outermost surface of the fluorine-containing polymer porous membrane as measured by X-ray photoelectron spectroscopy (XPS) is 0.20 or more to 2.0 or less, and the aromatic hydrocarbon-based polymer electrolyte in the composite layer forms a phase separation structure.

公开(公告)号：US10253147B2

公开(公告)日：2019-04-09

申请号：US15301018

申请日：2015-03-27

Applicant: Toray Industries, Inc.

Inventor： Tomoyuki Kunita ,  Daisuke Izuhara ,  Hiroaki Umeda

IPC: C08J5/22 ,  H01M8/103 ,  H01M8/1051 ,  C08G75/23 ,  C08G73/18 ,  C08G65/40 ,  C08G61/10 ,  H01B1/12 ,  C08L73/00 ,  H01M4/86 ,  C09D179/04 ,  B05D5/12 ,  H01M8/10 ,  C08K3/08 ,  H01M8/1018

Abstract: A polymer electrolyte composition has excellent practicality and excellent chemical stability as to be able to withstand a strong oxidizing atmosphere during fuel cell operation and is able to achieve excellent proton conductivity under a low-humidified condition and excellent mechanical strength and physical durability, and a polymer electrolyte membrane, a membrane-electrode assembly, and a polymer electrolyte fuel cell produced therefrom. The polymer electrolyte composition includes an ionic group-containing polymer (A), an azole ring-containing compound (B), and a transition metal-containing additive (C), the transition metal being one or more selected from the group consisting of cobalt, nickel, ruthenium, rhodium, palladium, silver, and gold.

公开(公告)号：US10186725B2

公开(公告)日：2019-01-22

申请号：US15302213

申请日：2015-04-06

Applicant: Toray Industries, Inc. ,  Daimler AG ,  Ford Motor Company

Inventor： Hiroaki Umeda ,  Daisuke Izuhara ,  Yuka Fujieda ,  Jing Li ,  Yunsong Yang ,  Keping Wang

IPC: H01M8/1048 ,  H01M8/1025 ,  H01M8/1032 ,  H01M8/1023 ,  H01M8/1039 ,  H01B1/12 ,  C08J5/22 ,  C08K3/10 ,  C08K5/3432 ,  C08K5/49 ,  C08L71/00 ,  H01M8/1051 ,  C08K5/3437 ,  C08K5/50 ,  C08L101/12 ,  H01M8/1018

Abstract: An excellent polymer electrolyte composition has excellent chemical stability of being resistant to strong oxidizing atmosphere during operation of fuel cell, and achieves excellent proton conductivity under low-humidification conditions, excellent mechanical strength and physical durability. A polymer electrolyte membrane, a membrane electrode assembly, and a polymer electrolyte fuel cell each use the same. The polymer electrolyte composition contains an ionic group-containing polymer (A), a phosphorus-containing additive (B), and a nitrogen-containing aromatic additive (C), the phosphorus-containing additive (B) and the nitrogen-containing aromatic additive (C) being a compound represented by specific structural formulae.

公开(公告)号：US12199324B2

公开(公告)日：2025-01-14

申请号：US17640959

申请日：2020-09-11

Applicant: TORAY INDUSTRIES, INC.

Inventor： Kenta Minamibayashi ,  Tomoyuki Kunita ,  Daisuke Ogata ,  Daisuke Izuhara

IPC: H01M8/1039 ,  H01M8/1004 ,  H01M8/1058 ,  H01M8/1081

Abstract: A composite electrolyte membrane having a composite layer that is a composite of a hydrocarbon polymer electrolyte and a fluorine-containing polymer porous substrate, wherein a fractal dimension D exhibiting the distribution of the hydrocarbon polymer electrolyte and the fluorine-containing polymer porous substrate in the composite layer is 1.7 or more. An object of the present invention is to enable a composite electrolyte membrane composed of a hydrocarbon polymer electrolyte and a fluorine-containing polymer porous substrate to achieve high proton conduction ability and high mechanical durability.

公开(公告)号：US11652215B2

公开(公告)日：2023-05-16

申请号：US17253909

申请日：2019-07-17

Applicant: TORAY INDUSTRIES, INC.

Inventor： Ryuta Sakashita ,  Yuta Shintaku ,  Daisuke Izuhara ,  Kiyoshi Minoura ,  Mei Abe

IPC: H01M4/88 ,  H01M8/1018 ,  H01M8/1004 ,  H01M8/10 ,  H01M8/1032 ,  H01M8/1039

CPC classification number: H01M4/8896 ,  H01M4/8814 ,  H01M4/8878 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1032 ,  H01M8/1039 ,  H01M2008/1095

Abstract: An object of the present invention is to provide, in the manufacture of a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, a method that achieves both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity. A main object of the present invention is to provide a method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including a liquid application step of applying a liquid to a surface of the catalyst layer before bonding, and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer to which the liquid is applied by thermocompression bonding.