公开(公告)号：US09508463B2

公开(公告)日：2016-11-29

申请号：US12790391

申请日：2010-05-28

申请人： Satoru Hommura ,  Susumu Saito ,  Tetsuji Shimohira ,  Atsushi Watakabe

发明人： Satoru Hommura ,  Susumu Saito ,  Tetsuji Shimohira ,  Atsushi Watakabe

IPC分类号： H01B1/12 ,  H01M8/10 ,  C08F216/14

CPC分类号： H01B1/122 ,  C08F8/12 ,  C08F8/44 ,  C08F216/1408 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1081 ,  Y02E60/521 ,  Y02P70/56 ,  C08F214/14 ,  C08F228/02 ,  C08F216/38 ,  C08F214/182 ,  C08F8/26

摘要： It is to provide an electrolyte material with which an increase in the water content can be suppressed even when the ion exchange capacity of a polymer having repeating units based on a monomer having a dioxolane ring is high; and a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions.It is to use an electrolyte material, which comprises a polymer (H) having ion exchange groups converted from precursor groups in a polymer (F), and having an ion exchange capacity of at least 1.35 meq/g dry resin, the polymer (F) having repeating units (A) based on a perfluoromonomer having a precursor group of an ion exchange group and a dioxolane ring and repeating units (B) based on a perfluoromonomer having no precursor group and having a dioxolane ring, and having a TQ of at least 200° C., which is a temperature at which the melt volume rate becomes 100 mm3/sec when the polymer (F) is subjected to melt-extrusion under an extrusion pressure condition of 2.94 MPa from a nozzle having a length of 1 mm and an inner diameter of 1 mm.

摘要翻译： 使用电解质材料，其包含在聚合物（F）中由前体基团转化的离子交换基团的聚合物（H），并且具有至少1.35meq / g干树脂的离子交换容量，所述聚合物（F ）具有基于具有离子交换基团的前体基团和二氧戊环的全氟单体的重复单元（A）和基于不具有前体基团并具有二氧戊环的全氟单体的重复单元（B），并且具有TQ为 至少200℃，当聚合物（F）在长度为1mm的喷嘴的挤出压力条件为2.94MPa下进行熔融挤出时，其熔体体积率为100mm 3 / sec的温度 内径为1mm。

公开(公告)号：US08394865B2

公开(公告)日：2013-03-12

申请号：US12503941

申请日：2009-07-16

申请人： Kazuo Umemura ,  Hiromitsu Kusano ,  Tetsuji Shimohira ,  Susumu Saito

发明人： Kazuo Umemura ,  Hiromitsu Kusano ,  Tetsuji Shimohira ,  Susumu Saito

IPC分类号： C08J5/20 ,  H01M8/10

CPC分类号： C25B1/46 ,  B32B5/022 ,  B32B5/024 ,  B32B27/08 ,  B32B27/12 ,  B32B27/16 ,  B32B27/28 ,  B32B27/304 ,  B32B27/308 ,  B32B27/322 ,  B32B2255/10 ,  B32B2255/20 ,  B32B2262/0238 ,  B32B2262/0253 ,  B32B2307/20 ,  B32B2307/202 ,  B32B2307/50 ,  C08J5/2237 ,  C08J2327/18

摘要： To provide an ion exchange membrane for alkaline chloride electrolysis having a low electric resistance and further having a sufficient mechanical strength.To employ an ion exchange membrane containing a polymer having units (U1). Q1, Q2=a perfluoroalkylene group or the like; Rf1, Rf2=a perfluoroalkyl group or the like; X1=an oxygen atom or the like; a=0 or the like; Y1=a fluorine atom or the like; r=0 or 1; and M=a hydrogen atom or an alkali metal atom.

摘要翻译： 提供具有低电阻并且还具有足够机械强度的碱性氯化物电解用离子交换膜。 使用含有具有单元（U1）的聚合物的离子交换膜。 Q1，Q2 =全氟亚烷基等; Rf1，Rf2 =全氟烷基等; X1 =氧原子等; a = 0等; Y1 =氟原子等; r = 0或1; M =氢原子或碱金属原子。

公开(公告)号：US20110027687A1

公开(公告)日：2011-02-03

申请号：US12836105

申请日：2010-07-14

申请人： Satoru HOMMURA ,  Susumu Saito ,  Tetsuji Shimohira ,  Atsushi Watakabe

发明人： Satoru HOMMURA ,  Susumu Saito ,  Tetsuji Shimohira ,  Atsushi Watakabe

IPC分类号： H01M8/10 ,  B01J41/00

CPC分类号： H01B1/122 ,  C08F216/1408 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1048 ,  H01M8/1051 ,  H01M8/106 ,  H01M8/1081 ,  Y02P70/56

摘要： It is to provide a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions; and an electrolyte material having a low water content, suitable for a catalyst layer of a membrane/electrode assembly.It is to use an electrolyte material, which comprises a polymer (H) having ion exchange groups converted from precursor groups in a polymer (F), the polymer (F) having repeating units (A) based on a perfluoromonomer having a precursor group of an ion exchange group and a 5-membered ring to which the precursor group is bonded and repeating units (B) represented by the formula (u2), and having an intrinsic viscosity of at least 2.3 dL/g. wherein R1 to R4 are a fluorine atom, a C1-6 perfluoroalkyl group or the like.

摘要翻译： 提供在低或无湿度条件下和高湿度条件下发电特性优异的膜/电极组件; 以及适用于膜/电极组件的催化剂层的具有低含水量的电解质材料。 使用电解质材料，其包含在聚合物（F）中由前体基团转换的离子交换基团的聚合物（H），聚合物（F）具有基于具有前体基团的全氟单体的重复单元（A） 前体基团键合的离子交换基团和5元环，由式（ü2）表示的重复单元（B），特性粘度为2.3dL / g以上。 其中，R1〜R4为氟原子，C1-6全氟烷基等。

公开(公告)号：US20090004527A1

公开(公告)日：2009-01-01

申请号：US12019355

申请日：2008-01-24

申请人： Tetsuji Shimohira ,  Kazuo Hamazaki ,  Susumu Saito ,  Satoru Hommura ,  Seigo Kotera

发明人： Tetsuji Shimohira ,  Kazuo Hamazaki ,  Susumu Saito ,  Satoru Hommura ,  Seigo Kotera

IPC分类号： H01M8/10 ,  C08G75/20

CPC分类号： H01B1/122 ,  C08F20/22 ,  C08F20/38 ,  C08F214/18 ,  C08J5/2237 ,  C08J2327/12 ,  H01M8/1023 ,  H01M8/1039 ,  H01M2300/0082

摘要： A polymer electrolyte membrane made of a polymer has a low electrical resistance, high heat resistance and is strong against repeats of swelling and shrinkage. Thus, a membrane/electrode assembly for polymer electrolyte fuel cells having high power generation performance and excellent in durability can be provided.For a polymer electrolyte membrane 15 or for a catalyst layer 11 constituting electrodes 13 and 14, a polymer comprising units (U1) and units (U2) is used: Q1, Q2, Q3: a perfluoroalkylene group which may have —O— or the like; Rf1, Rf2: a perfluoroalkyl group which may have —O—; X1, X2: an oxygen atom or the like; a, b: 0 or the like; Y1, Y2: a fluorine atom or a monovalent perfluoroorganic group; and s, t: 0 to 1.

摘要翻译： 由聚合物制成的聚合物电解质膜具有低电阻，高耐热性，并且强烈地反映了膨胀和收缩的重复。 因此，可以提供具有高发电性能和优异的耐久性的用于聚合物电解质燃料电池的膜/电极组件。 对于构成电极13和14的高分子电解质膜15或催化剂层11，使用包含单元（U1）和单元（U2）的聚合物：Q1，Q2，Q3：可具有-O-或 喜欢; Rf1，Rf2：可具有-O-的全氟烷基; X1，X2：氧原子等; a，b：0等; Y1，Y2：氟原子或一价全氟有机基团; 和s，t：0到1。

公开(公告)号：US20080138686A1

公开(公告)日：2008-06-12

申请号：US12023242

申请日：2008-01-31

申请人： Seigo Kotera ,  Tetsuji Shimohira ,  Satoru Honmura ,  Susumu Saito

发明人： Seigo Kotera ,  Tetsuji Shimohira ,  Satoru Honmura ,  Susumu Saito

IPC分类号： H01M8/10 ,  C08J5/22

CPC分类号： H01B1/122 ,  C08J5/2237 ,  C08J2327/12 ,  H01M8/1011 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1083 ,  H01M8/1088 ,  H01M2300/0082 ,  Y02E60/523 ,  Y02P70/56

摘要： To provide a polymer electrolyte membrane for polymer electrolyte fuel cells, which is less likely to be broken even when it undergoes repetition of swelling in a wet state and shrinkage in a dry state and a membrane/electrode assembly using it.To provide a polymer electrolyte membrane 15 in which the tensile yield stress obtained from the tensile stress-strain curve in accordance with the tensile test according to JIS K 7161-1994 at a temperature of 80° C. at a strain rate of 1/min and by means of an evaluation method according to JIS K 7161-1994, is at most 5.5 MPa; and a membrane/electrode assembly 10 having the polymer electrolyte membrane 15 disposed between an anode 13 and a cathode 14 each having a catalyst layer 11.

摘要翻译： 为了提供聚合物电解质燃料电池用高分子电解质膜，即使在湿状态下发生膨胀，干燥状态下收缩也不容易破裂，也可以使用该高分子电解质膜。 提供一种聚合物电解质膜15，其中拉伸应力 - 应变曲线根据JIS K 7161-1994的拉伸试验获得的拉伸屈服应力在80℃的温度下以1 / min的应变速率 根据JIS K 7161-1994的评价方法，最高为5.5MPa; 以及具有设置在各自具有催化剂层11的阳极13和阴极14之间的聚合物电解质膜15的膜/电极组件10。

公开(公告)号：US20130052561A1

公开(公告)日：2013-02-28

申请号：US13564969

申请日：2012-08-02

申请人： Satoru HOMMURA ,  Junichi Tayanagi ,  Tetsuji Shimohira

发明人： Satoru HOMMURA ,  Junichi Tayanagi ,  Tetsuji Shimohira

IPC分类号： H01M8/10 ,  H01M4/90

CPC分类号： H01M8/1023 ,  C08J5/2206 ,  C08J2327/18 ,  H01M4/92 ,  H01M8/1051 ,  Y02E60/523

摘要： To provide a polymer electrolyte membrane and a membrane/electrode assembly for a polymer electrolyte fuel cell, excellent in the durability to hydrogen peroxide or peroxide radicals.A polymer electrolyte membrane 15 comprising an ion exchange resin having cation exchange groups, which contains cerium element and at least one member selected from cesium element and rubidium element; and a membrane/electrode assembly 10, comprising an anode 13 having a catalyst layer 11 containing a catalyst and an ion exchange resin, a cathode 14 having a catalyst layer 11 containing a catalyst and an ion exchange resin, and a polymer electrolyte membrane 15 disposed between the anode 13 and the cathode 14, wherein the polymer electrolyte membrane 15 contains cerium element and at least one member selected from cesium element and rubidium element.

摘要翻译： 提供聚合物电解质膜和用于聚合物电解质燃料电池的膜/电极组件，其对过氧化氢或过氧化物自由基的耐久性优异。 包含具有阳离子交换基团的离子交换树脂的聚合物电解质膜15，其含有铈元素和选自铯元素和铷元素中的至少一种; 以及膜/电极组件10，其包括具有催化剂层11的阳极13和含有催化剂的离子交换树脂，具有催化剂层11的阴极14和离子交换树脂，以及高分子电解质膜15 在阳极13和阴极14之间，其中聚合物电解质膜15含有铈元素和选自铯元素和铷元素中的至少一种。

公开(公告)号：US20110027688A1

公开(公告)日：2011-02-03

申请号：US12843441

申请日：2010-07-26

申请人： Satoru Hommura ,  Susumu Saito ,  Tetsuji Shimohira ,  Atsushi Watakabe

发明人： Satoru Hommura ,  Susumu Saito ,  Tetsuji Shimohira ,  Atsushi Watakabe

IPC分类号： H01M8/10 ,  B01J39/20 ,  H01M4/02

CPC分类号： C08F214/182 ,  H01B1/122 ,  H01M8/0289 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1081 ,  Y02P70/56

摘要： It is to provide a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions, and an electrolyte material suitable for a catalyst layer of the membrane/electrode assembly.It is to use an electrolyte material, which comprises a polymer (H) having ion exchange groups converted from precursor groups in a polymer (F) having repeating units (A) having a precursor group represented by the formula (g1) and repeating units (B) based on a perfluoromonomer having a 5-membered ring, and having a density of at most 2.03 g/cm3, the polymer (H) having an ion exchange capacity of from 1.3 to 2.3 meq/g dry resin: wherein Q1 and Q2 are a perfluoroalkylene group having an etheric oxygen atom, or the like, and Y is F or the like.

摘要翻译： 提供一种在低或无湿度条件下和高湿度条件下发电特性优异的膜/电极组件，以及适用于膜/电极组件的催化剂层的电解质材料。 使用电解质材料，其包含在具有由式（g1）表示的前体基团和重复单元（重复单元）的重复单元（A）的聚合物（F）中由前体基团转化的离子交换基团的聚合物（H） B）基于具有5元环的全氟单体，并且密度为至多2.03g / cm 3，所述聚合物（H）的离子交换容量为1.3-2.3meq / g干树脂：其中Q1和Q2 是具有醚性氧原子等的全氟亚烷基，Y是F等。

公开(公告)号：US20090042067A1

公开(公告)日：2009-02-12

申请号：US11875393

申请日：2007-10-19

申请人： Satoru Honmura ,  Tetsuji Shimohira ,  Takashi Saeki ,  Susumu Saito

发明人： Satoru Honmura ,  Tetsuji Shimohira ,  Takashi Saeki ,  Susumu Saito

IPC分类号： H01M8/10 ,  H01B1/20

CPC分类号： H01M4/8605 ,  H01B1/122 ,  H01M8/0289 ,  H01M8/1007 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1081 ,  Y02P70/56

摘要： A membrane/electrode assembly for a polymer electrolyte fuel cell, comprising an anode and a cathode each having a catalyst layer containing a proton conductive polymer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the proton conductive polymer has an electrical conductivity of at least 0.07 S/cm at a temperature of 80° C. at a relative humidity of 40% and has a water content less than 150 mass %.

摘要翻译： 一种用于聚合物电解质燃料电池的膜/电极组件，包括具有包含质子传导性聚合物的催化剂层的阳极和阴极以及设置在阳极和阴极之间的聚合物电解质膜，其中质子传导性聚合物具有电 电导率在80℃的温度下在相对湿度40％下具有至少0.07S / cm，水含量低于150质量％。

公开(公告)号：US20070141427A1

公开(公告)日：2007-06-21

申请号：US11675863

申请日：2007-02-16

申请人： Satoru HOMMURA ,  Tetsuji Shimohira

发明人： Satoru HOMMURA ,  Tetsuji Shimohira

IPC分类号： H01M8/10 ,  C08J5/20

CPC分类号： C08F214/18 ,  C08F8/12 ,  C08F8/22 ,  C08F8/26 ,  C08J5/2243 ,  C08J2327/12 ,  H01B1/122 ,  H01M8/0289 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1067 ,  H01M8/1088 ,  Y02P70/56 ,  C08F214/262 ,  C08F214/182

摘要： To provide an electrolyte polymer for fuel cells, an electrolyte membrane, a membrane/electrode assembly for fuel cells excellent in the durability. An electrolyte polymer for fuel cells made of a perfluorocarbon polymer having ion exchange groups (which may contain etheric oxygen atoms), characterized in that the value calculated by dividing an absorption area SCH derived mainly from a C—H bond in the range of from 3,100 cm−1 to 2,800 cm−1 by an absorption area SCF derived mainly from a C—F bond in the range of from 2,700 cm−1 to 2,000 cm−1, as measured by means of infrared spectrophotometry, is less than 0.005, an electrolyte membrane and a membrane/electrode assembly.

摘要翻译： 提供用于燃料电池的电解质聚合物，电解质膜，耐久性优异的燃料电池用膜/电极组件。 一种由具有离子交换基团（其可以含有醚性氧原子）的全氟化碳聚合物制成的燃料电池用电解质聚合物，其特征在于，将主要衍生自CH键的吸收面积S SUB 在3,100cm -1至2800cm -1的范围内，其主要来自在该范围内的CF键的吸收面积S CF 通过红外分光光度法测量的，从2700cm -1至2000cm -1的电压小于0.005，电解质膜和膜/电极组件。

公开(公告)号：US5149403A

公开(公告)日：1992-09-22

申请号：US629643

申请日：1990-12-07

申请人： Tetsuji Shimohira ,  Yoshiaki Higuchi ,  Yoshihiko Saito ,  Kohji Suzuki

发明人： Tetsuji Shimohira ,  Yoshiaki Higuchi ,  Yoshihiko Saito ,  Kohji Suzuki

IPC分类号： C25B13/08 ,  C08J5/22

CPC分类号： C08J5/2281 ,  C08J2327/12

摘要： A fluorine-containing cation exchange membrane for electrolysis, which comprises a multi-layered structure prepared by integrally laminating (i) the first ion exchange layer having --COOM groups (M is hydrogen or an alkali metal) in an ion exchange capacity of from 0.6 to 2.0 meq/g dry resin and having a thickness of from 5 to 300 .mu.m, (ii) the second ion exchange layer present on the anode side of the first ion exchange layer, the second ion exchange layer having a smaller specific resistance and a larger thickness than the first ion exchange layer, and (iii) a hydrophilic asymmetric porous layer present on the cathode side of the first ion exchange layer, the porous layer having a water-permeability which becomes smaller in proportion as closer to the cathode side, and a process for producing an alkali metal hydroxide by using the above fluorine-containing cation exchange membrane.