公开(公告)号：US20200161670A1

公开(公告)日：2020-05-21

申请号：US16463999

申请日：2017-11-01

申请人： ASAHI KASEI KABUSHIKI KAISHA

发明人： Junya YAMASHITA ,  Satomi FUKUNAGA ,  Atsushi SUZUKI ,  Shozo TAKADA

IPC分类号： H01M8/0234 ,  H01M8/18 ,  H01M8/1004

摘要： Provided is a carbon foam and a membrane electrode assembly having linear portions and node portions joining the linear portions; and a carbon foam and a membrane electrode assembly having linear portions and node portions joining the linear portions, where the carbon content is 51 mass % or more, and the mean deviation of coefficient of friction by the Kawabata evaluation system method is 0.006 or less.

公开(公告)号：US20230078901A1

公开(公告)日：2023-03-16

申请号：US17800033

申请日：2021-03-04

申请人： ASAHI KASEI KABUSHIKI KAISHA

发明人： Hiroko KAMOCHI ,  Yuka KANADA ,  Kazuya KAI ,  Junya YAMASHITA

IPC分类号： H01M8/18 ,  H01M8/0289 ,  H01M4/88 ,  H01M4/96

摘要： An object of the present invention is to provide a membrane for a redox flow battery which is prevented from being curled and exhibits high power efficiency, a membrane electrode assembly for a redox flow battery, a cell for a redox flow battery, and a redox flow battery. The object can be attained by a membrane for a redox flow battery, comprising a first ion-exchange resin layer, an anion-exchange resin layer containing an anion-exchange compound, and a second ion-exchange resin layer in the presented order, wherein a value obtained by dividing a thickness of the first ion-exchange resin layer by a thickness of the second ion-exchange resin layer is 0.7 or more and 1.3 or less, and a thickness of the anion-exchange resin layer is 0.02 μm or larger and 3 μm or smaller.

公开(公告)号：US20240194898A1

公开(公告)日：2024-06-13

申请号：US18279667

申请日：2022-02-24

申请人： ASAHI KASEI KABUSHIKI KAISHA

发明人： Atsushi SUZUKI ,  Junya YAMASHITA ,  Yoshimichi MITAMURA

IPC分类号： H01M4/96 ,  H01M4/86 ,  H01M4/88 ,  H01M8/1004 ,  H01M8/18 ,  H01M8/10

CPC分类号： H01M4/96 ,  H01M4/8605 ,  H01M4/88 ,  H01M8/1004 ,  H01M8/188 ,  H01M2008/1095

摘要： An electrode for a redox flow battery including a carbon structural body,



wherein, in a measurement of surface functional group concentrations of the carbon structural body, a carbon concentration is 82.0% or higher and 98.0% or lower, a nitrogen concentration is 1.0% or higher and 10.0% or lower, and an oxygen concentration is 1.0% or higher and 8.0% or lower.

公开(公告)号：US20210292242A1

公开(公告)日：2021-09-23

申请号：US17261574

申请日：2019-08-30

申请人： ASAHI KASEI KABUSHIKI KAISHA

发明人： Yuka KANADA ,  Atsushi SUZUKI ,  Junya YAMASHITA

IPC分类号： C04B35/524 ,  C01B32/20

摘要： A carbon foam formed of carbon fibers, where, at 90% or more of any 20 locations, the carbon fibers have a fiber diameter that is within ±20% of an average fiber diameter.

公开(公告)号：US20200243866A1

公开(公告)日：2020-07-30

申请号：US16649980

申请日：2018-08-21

申请人： ASAHI KASEI KABUSHIKI KAISHA

发明人： Atsushi SUZUKI ,  Junya YAMASHITA

IPC分类号： H01M4/66 ,  H01M4/80 ,  H01M8/18 ,  C01B32/05

摘要： It is an object of the present disclosure to provide a thin-film carbon foam and a method of manufacture the same. It is another object of the present disclosure to provide a stack carbon foam having fewer through holes and a method of manufacturing the same. The carbon foam of the present disclosure is, for example, a stack carbon foam being a stack of at least two monolayer carbon foams stacked one another, each monolayer carbon foam comprising linear portions and node portions joining the linear portions, or a carbon foam comprising linear portions and node portions joining the linear portions, wherein the ratio of the number of large through holes having a diameter of 1 mm or more to the surface area of the carbon foam is 0.0003/mm2 or less.

公开(公告)号：US20230057420A1

公开(公告)日：2023-02-23

申请号：US17882846

申请日：2022-08-08

申请人： ASAHI KASEI KABUSHIKI KAISHA

发明人： Junya YAMASHITA

IPC分类号： H01M8/106 ,  H01M8/1004 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1062 ,  H01M8/18 ,  C25B13/05 ,  C25B13/08 ,  C25B9/23 ,  C25B1/04 ,  C25B3/01

摘要： Provided are an ion exchange membrane that has excellent mechanical strength as well as can exhibit an excellent proton conductivity over a long period, a membrane electrode assembly, a fuel cell, a redox flow secondary battery, a water electrolyzer, and an electrolyzer for organic hydride synthesis.
An ion exchange membrane containing:
an electrolyte containing a perfluorocarbon sulfonic acid polymer; and
glass fiber having a SiO2 content of 99.9% by mass or more.

公开(公告)号：US20200010322A1

公开(公告)日：2020-01-09

申请号：US16493445

申请日：2018-03-12

申请人： ASAHI KASEI KABUSHIKI KAISHA

发明人： Atsushi SUZUKI ,  Junya YAMASHITA ,  Shozo TAKADA

IPC分类号： C01B32/05 ,  C04B38/00 ,  C04B35/524

摘要： A carbon foam comprising linear portions and node portions joining the linear portions, wherein the linear portions have a diameter of 0.1 μm or more and 10.0 μm or less, and the carbon foam has a surface with an area of 100 cm2 or more.