公开(公告)号：US20220407101A1

公开(公告)日：2022-12-22

申请号：US17642817

申请日：2020-09-11

Applicant: TORAY INDUSTRIES, INC.

Inventor： Tomoyuki KUNITA ,  Kenta MINAMIBAYASHI ,  Daisuke OGATA ,  Daisuke IZUHARA

IPC: H01M8/1067 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/1004

Abstract: A composite polymer electrolyte membrane including a polymer electrolyte and a porous substrate, and having a dry tensile modulus of 100 N/cm or more per width and a wet tensile modulus of 35 N/cm or more per width. Enhancing the mechanical characteristics of the electrolyte membrane results in providing an electrolyte membrane that achieves good dry-wet cycle durability.

公开(公告)号：US20220336836A1

公开(公告)日：2022-10-20

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：US20240263329A1

公开(公告)日：2024-08-08

申请号：US18289670

申请日：2022-05-11

Applicant: TORAY INDUSTRIES, INC.

Inventor： Tomoyuki KUNITA ,  Kenta MINAMIBAYASHI ,  Shusuke SHIRAI ,  Kazuma MATSUI ,  Daisuke IZUHARA

IPC: C25B13/08 ,  C25B9/23

CPC classification number: C25B13/08 ,  C25B9/23

Abstract: An electrolyte membrane laminate including: a first electrolyte membrane having a first main surface and a second main surface; and a first interlayer and a second electrolyte membrane in this order on the first main surface of the first electrolyte membrane; wherein the first electrolyte membrane contains a hydrocarbon-based polymer electrolyte, the first interlayer contains a polymer electrolyte and particles, and the second electrolyte membrane contains a polymer electrolyte and particles containing a transition metal element. Provided is an electrolyte membrane laminate having an excellent hydrogen-proof barrier property and a good durability.

公开(公告)号：US20150380759A1

公开(公告)日：2015-12-31

申请号：US14843695

申请日：2015-09-02

Applicant: TORAY INDUSTRIES, INC.

Inventor： Daisuke IZUHARA ,  Hiroaki UMEDA ,  Emi AMANO ,  Tomoyuki KUNITA

IPC: H01M8/10 ,  C07C317/22 ,  C07C309/44

CPC classification number: H01M8/1032 ,  C07C309/44 ,  C07C309/60 ,  C07C317/22 ,  C08G65/40 ,  C08G65/4012 ,  C08G65/4056 ,  C08G2650/40 ,  H01B1/122 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1039 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02E60/521

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.

Abstract translation: 提供了即使在低加湿条件下也具有优异的质子传导性的芳香族磺​​酸衍生物和含磺酸基的聚合物，同时具有优异的机械强度和化学稳定性，并且能够使固体高分子型燃料电池实现高输出， 使用时具有良好的物理耐久性。 该芳香族磺酸衍生物具有特定的结构，其特征在于，在全部苯基的50％以上引入磺酸基。 该含磺酸基的聚合物的特征在于通过使用芳香族磺酸衍生物的聚合得到，特征在于具有特定的结构。