公开(公告)号：US20100323269A1

公开(公告)日：2010-12-23

申请号：US12526276

申请日：2008-01-23

申请人： Shinji Nakai ,  Keiji Kubo ,  Hiroyuki Ohgi ,  Tomohiro Ono

发明人： Shinji Nakai ,  Keiji Kubo ,  Hiroyuki Ohgi ,  Tomohiro Ono

IPC分类号： H01M8/10 ,  B01J31/06 ,  H01M4/88

CPC分类号： H01M4/8605 ,  H01M4/8668 ,  H01M8/1004

摘要： In a membrane-electrode assembly for polymer electrolyte fuel cells comprising a polymer electrolyte membrane and two gas diffusion electrodes being bonded to the membrane so that the membrane can be between them, at least one catalyst layer constituting the gas diffusion electrodes characterized in that the ion-conductive binder comprises a block copolymer having a particle size of 1 μm or less comprising a polymer block (A) having ion-conductive groups and a polymer block (B) having no ion-conductive group, both polymer blocks phase separate from each other, polymer block (A) forms a continuous phase, and the contact parts of the block copolymer with catalyst particles are comprised of polymer block (A) having ion-conductive groups; a membrane-electrode assembly and a polymer electrolyte fuel cell.

摘要翻译： 在聚合物电解质燃料电池的膜 - 电极组件中，包括聚合物电解质膜和两个气体扩散电极接合到膜上，使得膜可以在它们之间，构成气体扩散电极的至少一个催化剂层的特征在于，离子 导电性粘合剂包含粒径为1μm以下的嵌段共聚物，其含有具有离子传导性基团的聚合物嵌段（A）和不具有离子传导性基团的聚合物嵌段（B），两相聚合物嵌段相分离 聚合物嵌段（A）形成连续相，嵌段共聚物与催化剂颗粒的接触部分由具有离子传导性基团的聚合物嵌段（A）构成; 膜 - 电极组件和聚合物电解质燃料电池。

公开(公告)号：US08263286B2

公开(公告)日：2012-09-11

申请号：US12812901

申请日：2009-01-28

申请人： Shinji Nakai ,  Keiji Kubo ,  Tomohiro Ono ,  Hiroyuki Ohgi

发明人： Shinji Nakai ,  Keiji Kubo ,  Tomohiro Ono ,  Hiroyuki Ohgi

IPC分类号： H01M8/10

CPC分类号： H01M8/1004 ,  H01M8/1023 ,  H01M8/1053 ,  H01M2008/1095 ,  H01M2300/0082

摘要： A membrane-electrode assembly for polymer electrolyte fuel cells comprising a polymer electrolyte membrane and two gas diffusion electrodes being bonded to the membrane so that the membrane can be between them, in which assembly each gas diffusion electrode is comprised of an electrode catalyst layer and a gas diffusion layer, intermediate layer(s) being an ion conductor is/are arranged between the electrode catalyst layer(s) and the membrane, the ion conductor mainly comprises a block copolymer comprising a polymer block (A) having ion-conductive groups and a polymer block (B) having no ion-conductive group, both blocks phase-separate from each other, (A) forms a continuous phase, and the contact part(s) of the intermediate layer(s) with the polymer electrolyte membrane and the contact part(s) of the intermediate layer(s) with the electrode catalyst layer(s) are comprised of polymer block (A) having ion-conductive groups; and a polymer electrolyte fuel cell wherein the assembly is used. By the invention, a membrane-electrode assembly and a fuel cell are provided which are economical, environment-friendly, good in moldability, and small in interface resistance and excellent in power generation efficiency.

摘要翻译： 一种用于聚合物电解质燃料电池的膜 - 电极组件，包括聚合物电解质膜和两个气体扩散电极，所述两个气体扩散电极结合到膜上，使得膜可以在它们之间，其中每个气体扩散电极由电极催化剂层和 气体扩散层，作为离子导体的中间层设置在电极催化剂层和膜之间，离子导体主要包含含有具有离子传导性基团的聚合物嵌段（A）和 不具有离子传导性基团的聚合物嵌段（B）彼此相分离，（A）形成连续相，中间层与高分子电解质膜的接触部分和 中间层与电极催化剂层的接触部分由具有离子传导性基团的聚合物嵌段（A）组成; 以及其中使用所述组件的聚合物电解质燃料电池。 通过本发明，提供了经济，环保，成型性好，界面电阻小，发电效率优异的膜 - 电极组件和燃料电池。

公开(公告)号：US08420276B2

公开(公告)日：2013-04-16

申请号：US12526276

申请日：2008-01-23

申请人： Shinji Nakai ,  Keiji Kubo ,  Hiroyuki Ohgi ,  Tomohiro Ono

发明人： Shinji Nakai ,  Keiji Kubo ,  Hiroyuki Ohgi ,  Tomohiro Ono

IPC分类号： H01M4/60

CPC分类号： H01M4/8605 ,  H01M4/8668 ,  H01M8/1004

摘要： In a membrane-electrode assembly for polymer electrolyte fuel cells comprising a polymer electrolyte membrane and two gas diffusion electrodes being bonded to the membrane so that the membrane can be between them, at least one catalyst layer constituting the gas diffusion electrodes characterized in that the ion-conductive binder comprises a block copolymer having a particle size of 1 μm or less comprising a polymer block (A) having ion-conductive groups and a polymer block (B) having no ion-conductive group, both polymer blocks phase separate from each other, polymer block (A) forms a continuous phase, and the contact parts of the block copolymer with catalyst particles are comprised of polymer block (A) having ion-conductive groups; a membrane-electrode assembly and a polymer electrolyte fuel cell.

摘要翻译： 在聚合物电解质燃料电池的膜 - 电极组件中，包括聚合物电解质膜和两个气体扩散电极接合到膜上，使得膜可以在它们之间，构成气体扩散电极的至少一个催化剂层的特征在于，离子 导电性粘合剂包含粒径为1μm以下的嵌段共聚物，其含有具有离子传导性基团的聚合物嵌段（A）和不具有离子传导性基团的聚合物嵌段（B），两相聚合物嵌段相分离 聚合物嵌段（A）形成连续相，嵌段共聚物与催化剂颗粒的接触部分由具有离子传导性基团的聚合物嵌段（A）构成; 膜 - 电极组件和聚合物电解质燃料电池。

公开(公告)号：US20100310965A1

公开(公告)日：2010-12-09

申请号：US12812901

申请日：2009-01-28

申请人： Shinji Nakai ,  Keiji Kubo ,  Tomohiro Ono ,  Hiroyuki Ohgi

发明人： Shinji Nakai ,  Keiji Kubo ,  Tomohiro Ono ,  Hiroyuki Ohgi

IPC分类号： H01M8/10

CPC分类号： H01M8/1004 ,  H01M8/1023 ,  H01M8/1053 ,  H01M2008/1095 ,  H01M2300/0082

摘要： A membrane-electrode assembly for polymer electrolyte fuel cells comprising a polymer electrolyte membrane and two gas diffusion electrodes being bonded to the membrane so that the membrane can be between them, in which assembly each gas diffusion electrode is comprised of an electrode catalyst layer and a gas diffusion layer, intermediate layer(s) being an ion conductor is/are arranged between the electrode catalyst layer(s) and the membrane, the ion conductor mainly comprises a block copolymer comprising a polymer block (A) having ion-conductive groups and a polymer block (B) having no ion-conductive group, both blocks phase-separate from each other, (A) forms a continuous phase, and the contact part(s) of the intermediate layer(s) with the polymer electrolyte membrane and the contact part(s) of the intermediate layer(s) with the electrode catalyst layer(s) are comprised of polymer block (A) having ion-conductive groups; and a polymer electrolyte fuel cell wherein the assembly is used. By the invention, a membrane-electrode assembly and a fuel cell are provided which are economical, environment-friendly, good in moldability, and small in interface resistance and excellent in power generation efficiency.

摘要翻译： 一种用于聚合物电解质燃料电池的膜 - 电极组件，包括聚合物电解质膜和两个气体扩散电极，所述两个气体扩散电极结合到膜上，使得膜可以在它们之间，其中每个气体扩散电极由电极催化剂层和 气体扩散层，作为离子导体的中间层设置在电极催化剂层和膜之间，离子导体主要包含含有具有离子传导性基团的聚合物嵌段（A）和 不具有离子传导性基团的聚合物嵌段（B）彼此相分离，（A）形成连续相，中间层与高分子电解质膜的接触部分和 中间层与电极催化剂层的接触部分由具有离子传导性基团的聚合物嵌段（A）组成; 以及其中使用所述组件的聚合物电解质燃料电池。 通过本发明，提供了经济，环保，成型性好，界面电阻小，发电效率优异的膜 - 电极组件和燃料电池。

公开(公告)号：US08182949B2

公开(公告)日：2012-05-22

申请号：US12523814

申请日：2008-01-11

申请人： Hiroyuki Ohgi ,  Tomohiro Ono ,  Shinji Nakai ,  Takeshi Nakano ,  Takeshi Kusudou ,  Naoki Fujiwara

发明人： Hiroyuki Ohgi ,  Tomohiro Ono ,  Shinji Nakai ,  Takeshi Nakano ,  Takeshi Kusudou ,  Naoki Fujiwara

IPC分类号： H01M6/18 ,  H01M10/0562 ,  H01M8/10 ,  H01G9/02

CPC分类号： H01B1/122 ,  C08F8/12 ,  C08F293/005 ,  C08F2220/585 ,  C08F2800/20 ,  C08J5/2231 ,  C08J2331/04 ,  C08J2333/26 ,  C08J2387/00 ,  H01M8/1032 ,  H01M8/1067 ,  H01M8/1088 ,  H01M2300/0082 ,  Y02P70/56 ,  C08F218/08

摘要： A polymer electrolyte membrane comprising as a main ingredient a block copolymer (P) which comprises, as its constituents, a vinyl alcoholic polymer block (A) and a polymer block (B) having ion-conducting groups, which block copolymer (P) is cross-linking treated, and a membrane-electrode assembly and a fuel cell using the polymer electrolyte membrane, respectively. Preferred as polymer block (B) is one having a styrene or vinylnaphthalene skeleton or a 2-(meth)acrylamido-2-methylpropane skeleton. The ion-conducting group includes a sulfonic acid group, a phosphonic acid group or the like.

摘要翻译： 一种聚合物电解质膜，其包含嵌段共聚物（P）作为主要成分，所述嵌段共聚物（P）包含乙烯基醇聚合物嵌段（A）和具有离子传导性基团的聚合物嵌段（B）作为其组分，所述嵌段共聚物（P）为 交联处理，以及分别使用聚合物电解质膜的膜 - 电极组件和燃料电池。 聚合物嵌段（B）优选具有苯乙烯或乙烯基萘骨架或2-（甲基）丙烯酰胺基-2-甲基丙烷骨架。 离子传导性基团包括磺酸基，膦酸基等。

公开(公告)号：US20100098997A1

公开(公告)日：2010-04-22

申请号：US12523814

申请日：2008-01-11

申请人： Hiroyuki Ohgi ,  Tomohiro Ono ,  Shinji Nakai ,  Takeshi Nakano ,  Takeshi Kusudou ,  Naoki Fujiwara

发明人： Hiroyuki Ohgi ,  Tomohiro Ono ,  Shinji Nakai ,  Takeshi Nakano ,  Takeshi Kusudou ,  Naoki Fujiwara

IPC分类号： H01M8/10

CPC分类号： H01B1/122 ,  C08F8/12 ,  C08F293/005 ,  C08F2220/585 ,  C08F2800/20 ,  C08J5/2231 ,  C08J2331/04 ,  C08J2333/26 ,  C08J2387/00 ,  H01M8/1032 ,  H01M8/1067 ,  H01M8/1088 ,  H01M2300/0082 ,  Y02P70/56 ,  C08F218/08

摘要： A polymer electrolyte membrane comprising as a main ingredient a block copolymer (P) which comprises, as its constituents, a vinyl alcoholic polymer block (A) and a polymer block (B) having ion-conducting groups, which block copolymer(P) is cross-linking treated, and a membrane-electrode assembly and a fuel cell using the polymer electrolyte membrane, respectively. Preferred as polymer block (B) is one having a styrene or vinylnaphthalene skeleton or a 2-(meth)acrylamido-2-methylpropane skeleton. The ion-conducting group includes a sulfonic acid group, a phosphonic acid group or the like.

摘要翻译： 一种聚合物电解质膜，其包含嵌段共聚物（P）作为主要成分，所述嵌段共聚物（P）包含乙烯基醇聚合物嵌段（A）和具有离子传导性基团的聚合物嵌段（B）作为其组分，所述嵌段共聚物（P）为 交联处理，以及分别使用聚合物电解质膜的膜 - 电极组件和燃料电池。 聚合物嵌段（B）优选具有苯乙烯或乙烯基萘骨架或2-（甲基）丙烯酰胺基-2-甲基丙烷骨架。 离子传导性基团包括磺酸基，膦酸基等。

公开(公告)号：US20100159353A1

公开(公告)日：2010-06-24

申请号：US12602719

申请日：2008-05-30

申请人： Hiroyuki Ohgi ,  Tomohiro Ono ,  Shinji Nakai ,  Takeshi Nakano ,  Takashi Ishizone

发明人： Hiroyuki Ohgi ,  Tomohiro Ono ,  Shinji Nakai ,  Takeshi Nakano ,  Takashi Ishizone

IPC分类号： H01M8/10

CPC分类号： C08F8/36 ,  B01D71/26 ,  B01D71/28 ,  B01D71/78 ,  B01D71/80 ,  C08F8/04 ,  C08F297/046 ,  C08J5/2231 ,  C08J2325/08 ,  C08J2353/02 ,  H01B1/122 ,  H01B1/128 ,  H01M8/04197 ,  H01M8/102 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1034 ,  H01M2008/1095 ,  H01M2300/0082

摘要： Disclosed are: a polymer electrolyte which comprises, as the main component, a block/graft copolymer comprising, as constituent components, polymer blocks (A), (B) and (C) which cause phase-separation from one another, wherein the polymer block (A) comprises a vinyl compound unit as the main repeating unit and has an ion-conductive group, the polymer block (B) comprises a vinyl compound unit capable of forming a flexible phase as the main repeating unit and forms a flexible phase, and the polymer block (C) comprises a styrene derivative unit carrying an alicyclic hydrocarbon group having a polycyclic structure as the main repeating unit and forms a restrained phase; a membrane; a membrane-electrode assembly; and a solid polymer fuel cell. The polymer electrolyte has excellent durability and heat resistance, and shows little change in properties, such as the change in dimension between a dried state and a wet state, the change in mechanical properties and the change in methanol cross-over before and after the immersion in a methanol solution. The polymer electrolyte can be used stably in a solid polymer fuel cell during the long-term operation of the solid polymer fuel cell and enables excellent start-up performance of the solid polymer fuel cell.

摘要翻译： 公开了以聚合物嵌段（A），（B）和（C）作为构成成分的嵌段/接枝共聚物作为主要成分的聚合物电解质，该聚合物嵌段引起相分离，其中聚合物 嵌段（A）包含乙烯基化合物单元作为主要重复单元并具有离子传导性基团，聚合物嵌段（B）包含能够形成柔性相作为主要重复单元并形成柔性相的乙烯基化合物单元， 聚合物嵌段（C）包含具有多环结构的脂环族烃基作为主要重复单元并形成约束相的苯乙烯衍生物单元; 膜; 膜 - 电极组件; 和固体聚合物燃料电池。 聚合物电解质具有优异的耐久性和耐热性，并且几乎没有变化，例如干燥状态和湿润状态之间的尺寸变化，机械性能的变化和浸渍之前和之后的甲醇交换的变化 在甲醇溶液中。 聚合物电解质可以在固体高分子型燃料电池的长期运行中稳定地用于固体高分子型燃料电池，能够实现固体高分子型燃料电池的起动性能优异。

公开(公告)号：US20100233569A1

公开(公告)日：2010-09-16

申请号：US12162375

申请日：2007-01-18

申请人： Tomohiro Ono ,  Shinji Nakai ,  Masahiro kawasaki ,  Takeshi Nakano ,  Hiroyuki Ogi

发明人： Tomohiro Ono ,  Shinji Nakai ,  Masahiro kawasaki ,  Takeshi Nakano ,  Hiroyuki Ogi

IPC分类号： H01M8/10

CPC分类号： H01M8/1067 ,  H01M4/8814 ,  H01M4/8828 ,  H01M4/8882 ,  H01M4/8896 ,  H01M4/921 ,  H01M4/926 ,  H01M8/04197 ,  H01M8/1023 ,  H01M8/1053 ,  H01M2300/0094

摘要： A multilayer electrolyte membrane for polymer electrolyte fuel cells, consisting of a laminate of at least two polymer electrolyte membranes at least one of which membranes comprises a block copolymer (I) which comprises, as its constituents, a polymer block (A) having as a main unit an aromatic vinyl compound unit and a flexible polymer block (B), and has ion-conducting groups on polymer block (A); and a membrane electrode assembly and a polymer electrolyte fuel cell. The multilayer membrane is economical, mild to the environment, and has high ion conductivity and high methanol barrier properties, together. It is preferred, from the object, that at least two of the constitutive electrolyte membranes comprise block copolymer (I), and/or at least one of the constitutive electrolyte membranes has an ion exchange capacity of 0.7 meq/g or more and at least one of them has an ion exchange capacity of less than 0.7 meq/g.

摘要翻译： 一种用于聚合物电解质燃料电池的多层电解质膜，其由至少两个聚合物电解质膜的层压体组成，其中至少一个膜包含嵌段共聚物（I），其包含作为其组分的聚合物嵌段（A），其具有 主要单元为芳族乙烯基化合物单元和柔性聚合物嵌段（B），并且在聚合物嵌段（A）上具有离子传导基团; 以及膜电极组件和聚合物电解质燃料电池。 多层膜是经济的，对环境温和，并且具有高离子传导性和高甲醇屏障性能。 从目的而言，优选至少两种组成型电解质膜包含嵌段共聚物（I），和/或至少一种组成型电解质膜的离子交换容量为0.7meq / g以上，至少 其中一个离子交换容量小于0.7meq / g。

公开(公告)号：US20080113244A1

公开(公告)日：2008-05-15

申请号：US11722251

申请日：2005-12-20

申请人： Takashi Yamashita ,  Shinji Nakai ,  Hiroyuki Ogi ,  Tomohiro Ono ,  Masahiro Rikukawa

发明人： Takashi Yamashita ,  Shinji Nakai ,  Hiroyuki Ogi ,  Tomohiro Ono ,  Masahiro Rikukawa

IPC分类号： H01M8/10 ,  C08J5/20

CPC分类号： H01M4/8668 ,  C08F8/24 ,  C08F297/04 ,  H01B1/122 ,  H01M4/8605 ,  H01M4/8807 ,  H01M4/8896 ,  H01M8/1004 ,  H01M8/1023 ,  H01M8/1081 ,  Y02P70/56

摘要： This invention relates to an ion-conducting binder used for a membrane electrode assembly for polymer electrolyte fuel cells, the assembly consisting of a polymer electrolyte membrane and two gas diffusion electrodes stuck to the polymer electrolyte membrane with the membrane put between the electrodes, which binder comprises a block copolymer which comprises a polymer block (A) having as a main unit an aromatic vinyl compound unit whose α-carbon is quaternary carbon, and a flexible polymer block (B), and has ion-conducting groups on the polymer block (A), and a solution or suspension thereof, and a membrane electrode assembly and a polymer electrolyte fuel cell.The ion-conducting binder, membrane electrode assembly and polymer electrolyte fuel cell of this invention are economical, mild to the environment and excellent in moldability and oxidation stability.

摘要翻译： 本发明涉及一种用于聚合物电解质燃料电池的膜电极组件的离子传导性粘合剂，该组合物由聚合物电解质膜和粘附在聚合物电解质膜上的两个气体扩散电极组成，膜间置于电极之间，该粘合剂 包括嵌段共聚物，其包含以α-碳为季碳作为主要单元的聚合物嵌段（A）和柔性聚合物嵌段（B），并且在聚合物嵌段上具有离子传导性基团 A）及其溶液或悬浮液，以及膜电极组件和聚合物电解质燃料电池。 本发明的离子导电粘合剂，膜电极组件和聚合物电解质燃料电池是经济的，对环境温和，并且成型性和氧化稳定性优异。

公开(公告)号：US08349513B2

公开(公告)日：2013-01-08

申请号：US12278794

申请日：2007-02-05

申请人： Tomohiro Ono ,  Shinji Nakai ,  Hiroyuki Ogi ,  Takeshi Nakano

发明人： Tomohiro Ono ,  Shinji Nakai ,  Hiroyuki Ogi ,  Takeshi Nakano

IPC分类号： H01M8/10

CPC分类号： C08F297/00 ,  C08F297/02 ,  C08J5/2243 ,  C08J2353/02 ,  C08L53/00 ,  C08L53/005 ,  C08L53/02 ,  C08L53/025 ,  H01B1/122 ,  H01M8/1011 ,  H01M8/1023 ,  H01M8/1067 ,  H01M2300/0082 ,  Y02E60/523 ,  C08L2666/02

摘要： A polymer electrolyte membrane comprising as a main ingredient a block copolymer which comprises, as its constituents, a polymer block (A) having as a main unit an aromatic vinyl compound unit and a polymer block (B) forming a flexible phase, and has ion-conducting groups on the polymer block (A), said aromatic vinyl compound unit being such that the hydrogen atom bonded to the α-carbon atom is non-replaced or replaced with an alkyl group or an aryl group optionally having substituent(s), and at least one of hydrogen atoms directly bonded to the aromatic ring is replaced with an alkyl group; and a membrane electrode assembly and a polymer electrolyte fuel cell both of which uses it. The polymer block (A) can have a restraining phase, and/or can be cross-linked. The electrolyte membrane is mild to the environment, has a high ion conductivity and good bonding properties to electrodes, is excellent in moldability, and is not easily influenced by methanol; and displays excellent performance in polymer electrolyte fuel cells, particularly direct methanol fuel cells.

摘要翻译： 一种聚合物电解质膜，其包含作为主要成分的嵌段共聚物，该嵌段共聚物作为其成分，包含作为主要单元的芳族乙烯基化合物单元的聚合物嵌段（A）和形成柔性相的聚合物嵌段（B），并且具有离子 在聚合物嵌段（A）上的导电基团，所述芳香族乙烯基化合物单元使得与α-碳原子键合的氢原子不被任选具有取代基的烷基或芳基取代或取代， 直接与芳环键合的氢原子中的至少一个被烷基取代; 以及两者都使用它的膜电极组件和聚合物电解质燃料电池。 聚合物嵌段（A）可具有约束相，和/或可交联。 电解质膜对环境温和，离子电导率高，与电极接合性好，成型性优良，不易受甲醇影响; 并且在聚合物电解质燃料电池，特别是直接甲醇燃料电池中显示出优异的性能。