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10 条记录 (耗时 0.016 秒)

    Membrane electrode assembly
    3.
    发明授权
    Membrane electrode assembly 有权

    公开(公告)号：US12040515B2

    公开(公告)日：2024-07-16

    申请号：US17472999

    申请日：2021-09-13

    申请人： AGC Inc.

    发明人： Susumu Saito

    IPC分类号： H01M8/10 ,  H01M8/1004 ,  H01M8/1039 ,  H01M50/406 ,  H01M50/426 ,  H01M50/491 ,  H01M50/497

    CPC分类号： H01M8/1004 ,  H01M8/1039 ,  H01M50/406 ,  H01M50/426 ,  H01M50/491 ,  H01M50/497 ,  H01M2300/0082 ,  H01M2300/0085

    摘要： To provide a membrane electrode assembly which can suppress cracking of the catalyst layers.
    The membrane electrode assembly of the present invention is a membrane electrode assembly comprising an anode having a catalyst layer containing a proton-conductive polymer, a cathode 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 contained in the catalyst layer of at least one of the anode and the cathode is a polymer (H) having units containing a cyclic ether structure and sulfonic acid-type functional groups, and the polymer electrolyte membrane contains a porous material containing a fluorinated polymer, and a fluorinated polymer (S) having sulfonic acid-type functional groups.

    Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer
    4.
    发明授权
    Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer 有权

    公开(公告)号：US11987656B2

    公开(公告)日：2024-05-21

    申请号：US17061703

    申请日：2020-10-02

    申请人： AGC Inc.

    发明人： Susumu Saito ,  Satoru Hommura ,  Hiroyuki Watabe

    IPC分类号： C08F216/38 ,  C08F214/18 ,  C08J5/22 ,  H01M8/1004 ,  H01M8/1039 ,  H01M8/1088 ,  H01M8/10

    CPC分类号： C08F214/184 ,  C08F216/38 ,  C08J5/225 ,  H01M8/1004 ,  H01M8/1039 ,  H01M8/1088 ,  C08J2327/12 ,  H01M2008/1095

    摘要： To provide a method for producing a fluorinated polymer, in which it is possible to efficiently and easily control the molecular weight to be proper when polymerizing a perfluoromonomer having a dioxolane ring containing a polymerizable double bond in the ring skeleton, and in which the obtainable fluorinated polymer is less susceptible to a decrease in molecular weight even when contacted with a base. A method for producing a fluorinated polymer, comprising polymerizing a raw-material mixture which contains at least one of a monomer composition M11 which comprises a perfluoromonomer represented by the formula m11 and a fluorinated monomer m11H having at least some of fluorine atoms of said perfluoromonomer substituted by hydrogen atoms, and a monomer composition M12 which comprises a perfluoromonomer represented by formula m12 and a fluorinated monomer m12H having at least some of fluorine atoms of said perfluoromonomer substituted by hydrogen atoms, wherein the total amount of the fluorinated monomer mil H and the fluorinated monomer m12H is from 10 to 1,100 ppm to the total amount of the monomer composition M11 and the monomer composition M12.

    Polymer, polymer electrolyte membrane and membrane/electrode assembly
    5.
    发明授权
    Polymer, polymer electrolyte membrane and membrane/electrode assembly 有权

    公开(公告)号：US11031618B2

    公开(公告)日：2021-06-08

    申请号：US16363746

    申请日：2019-03-25

    申请人： AGC Inc.

    发明人： Susumu Saito ,  Hiroyuki Watabe ,  Takumi Okuyama

    IPC分类号： H01M8/1039 ,  H01M8/1023 ,  C08F216/14 ,  H01M8/1004 ,  C08J5/22 ,  C08F216/16 ,  H01M8/02 ,  C08F8/12 ,  H01B1/06 ,  H01M8/10 ,  H01M8/1018

    摘要： To provide a polymer capable of forming a polymer electrolyte membrane that is resistant to breakage even when being repeatedly subjected to humidification and drying or a catalyst layer that is resistant to formation of cracks; a polymer electrolyte membrane employing said polymer; and a membrane/electrode assembly for a polymer electrolyte fuel cell. A polymer comprising units (u1) having two ion-exchange groups and units (u2) of e.g. a perfluoro(alkyl vinyl ether), wherein the molar ratio (u2)/((u1)+(u2)) is more than 0.30 and at most 0.70. A membrane/electrode assembly 10 comprising an anode 13 having a catalyst layer 11 and a gas diffusion layer 12, a cathode 14 having a catalyst layer 11 and a gas diffusion layer 12, and a polymer electrolyte membrane 15 disposed between the anode 13 and the cathode 14 in a state of being contact with the catalyst layers 11, wherein either one or each of the catalyst layers 11 and the polymer electrolyte membrane 15 contains the aforementioned polymer.

    Monomer composition and method for producing fluorinated polymer
    8.
    发明授权
    Monomer composition and method for producing fluorinated polymer 有权

    公开(公告)号：US11274168B2

    公开(公告)日：2022-03-15

    申请号：US16282377

    申请日：2019-02-22

    申请人： AGC Inc.

    发明人： Susumu Saito ,  Wakako Hashimoto

    IPC分类号： C08F14/18 ,  C08F34/02 ,  H01M8/1032 ,  H01M8/1004 ,  H01M4/90 ,  H01M8/1027 ,  H01M8/10 ,  C08F214/26 ,  C08F216/14 ,  C08F234/02 ,  C08F134/02 ,  C08F214/18 ,  C08F114/18

    摘要： To provide a monomer composition in which the solubility of the polymerization inhibitor in the cyclic monomer is good, the stability of the cyclic monomer during storage is good, and the cyclic monomer and the polymerization inhibitor are easily separated by distillation; and a method for producing a high molecular weight fluorinated polymer from the monomer composition.
    A monomer composition which comprises a specific cyclic monomer and a polymerization inhibitor, wherein the polymerization inhibitor is a polymerization inhibitor which satisfies (a) it is a 6-membered unsaturated cyclic hydrocarbon having from 1 to 4 substituents, (b) it has, as the substituent, at least one type selected from the group consisting of a t-butyl group, a methyl group, an isopropenyl group, an oxo group and a hydroxy group, (c) in a case where it has an oxo group as one type of the substituent, it has, as the substituent other than the oxo group, either one or both of a t-butyl group and a methyl group, and (d) in a case where it has a hydroxy group as the substituent, the number of the hydroxy group is only one.

    Process for producing fluorinated crosslinked product and use thereof
    10.
    发明授权
    Process for producing fluorinated crosslinked product and use thereof 有权

    公开(公告)号：US10214619B2

    公开(公告)日：2019-02-26

    申请号：US15176408

    申请日：2016-06-08

    申请人： AGC Inc.

    发明人： Norihide Sugiyama ,  Ryujiro Yamasaki ,  Susumu Saito ,  Akihiko Asakawa ,  Masahiro Ohkura ,  Shinji Wada

    IPC分类号： C08J3/24 ,  C08F214/18 ,  C08J3/28 ,  H01L33/56

    摘要： To provide a process for producing a fluorinated crosslinked product which is excellent in stability and produces less HF.A process for producing a fluorinated crosslinked product, which comprises irradiating a fluorinated polymer having a unit represented by the following formula (1), with active energy rays having a wavelength of from 150 to 300 nm: wherein X1 and X2 are each independently a hydrogen atom or a fluorine atom, Rf1 is a fluoroalkylene group or a fluoroalkylene group having at least two carbon atoms and an etheric oxygen atom between carbon-carbon atoms, Q1 is a single bond or an etheric oxygen atom, and Z1 is OH, OR1 or NR2R3, wherein R1 is an alkyl group, and R2 and R3 are each independently a hydrogen atom or an alkyl group.