GAS DIFFUSION ELECTRODE MEDIUM FOR FUEL CELL
    2.
    发明授权
    GAS DIFFUSION ELECTRODE MEDIUM FOR FUEL CELL 有权
    燃料电池用气体扩散电极介质

    公开(公告)号:EP2851983B1

    公开(公告)日:2018-03-28

    申请号:EP13790724.2

    申请日:2013-04-25

    IPC分类号: H01M8/1018 H01M4/86 H01M4/96

    摘要: Provided is a gas diffusion electrode medium that is for a fuel cell, has a low in-plane gas permeability and favorable water drainage characteristics in addition to high conductivity, and is able to exhibit high cell performance across a wide temperature range from low temperatures to high temperatures. The gas diffusion electrode medium for a fuel cell is characterized by a microporous region being disposed at least at one surface of an electrode substrate, and the microporous region containing flake graphite having an aspect ratio in the range of 50-5000.

    CARBON SHEET, GAS DIFFUSION ELECTRODE BASE MATERIAL, AND FUEL CELL
    3.
    发明公开
    CARBON SHEET, GAS DIFFUSION ELECTRODE BASE MATERIAL, AND FUEL CELL 审中-公开
    碳板,气体扩散电极基材和燃料电池

    公开(公告)号:EP3228588A1

    公开(公告)日:2017-10-11

    申请号:EP15851413.3

    申请日:2015-10-07

    摘要: The present invention provides a carbon sheet that has excellent anti-flooding ability and can be used suitably ill a gas diffusion electrode base material. Another aspect of the present invention provides a gas diffusion electrode base material using this carbon sheet as the base material, and a fuel cell containing this gas diffusion electrode. This carbon sheet is a porous carbon sheet containing a carbon fiber and a binding material and is characterized in that: layers are obtained in a section spanning from a plane closest to one of the surfaces and having 50% of the mean fluorine intensity to a plane closest to the other surface and having 50% of the mean fluorine intensity by dividing this section evenly into three in an orthogonal direction to the carbon sheet plane; among the layer close to one of the surfaces and the layer close to the other surface, the layer having the larger layer mean fluorine intensity is designated layer X, the layer having the smaller one is designated layer Y, and the layer between the layer X and the layer Y is designated layer Z; and the layer mean fluorine intensities decrease in the order: layer X, layer Y, and layer Z.

    摘要翻译: 本发明提供一种防溢流性优异的,可适合用作气体扩散电极基材的碳片。 本发明的另一方面提供了使用该碳板作为基材的气体扩散电极基材以及包含该气体扩散电极的燃料电池。 该碳片是含有碳纤维和粘合材料的多孔碳片,其特征在于:从最接近其中一个表面的平面开始,具有50%的平均氟强度的部分获得层到平面 通过将该部分在与碳片平面正交的方向上均匀地分成三部分而最接近另一表面并具有50%的平均氟强度; 在靠近一个表面的层和靠近另一个表面的层中,具有较大层平均氟强度的层称为层X,具有较小层的层称为层Y,并且层X 并且层Y被指定为层Z; 并且层平均氟浓度按照层X,层Y和层Z的顺序减小。

    GAS DIFFUSION ELECTRODE BASE AND METHOD FOR PRODUCING GAS DIFFUSION ELECTRODE BASE
    4.
    发明公开
    GAS DIFFUSION ELECTRODE BASE AND METHOD FOR PRODUCING GAS DIFFUSION ELECTRODE BASE 审中-公开
    气体扩散电极基座及气体扩散电极基座的制造方法

    公开(公告)号:EP3220463A1

    公开(公告)日:2017-09-20

    申请号:EP15859292.3

    申请日:2015-10-29

    摘要: The purpose of the present invention is to provide: a method for producing a gas diffusion electrode base which enables the achievement of a gas diffusion electrode base that has a microporous layer with small surface roughness and is not susceptible to damaging an electrolyte membrane; and a gas diffusion electrode base that has a microporous layer with small surface roughness and is not susceptible to damaging an electrolyte membrane. For the purpose of achieving the above-described purpose, the present invention has the configuration described below. Namely, a specific gas diffusion electrode base which has a carbon sheet and a microporous layer, and wherein the carbon sheet is porous and the DBP oil absorption of a carbon powder contained in the microporous layer is 70-155 ml/100g.

    摘要翻译: 本发明的目的在于提供一种气体扩散电极基体的制造方法,该气体扩散电极基体能够实现具有表面粗糙度小且不易损伤电解质膜的微多孔层的气体扩散电极基体, 以及气体扩散电极基体,其具有微小的表面粗糙度小且不易损伤电解质膜的微孔层。 为了达到上述目的,本发明具有下述结构。 即,具有碳片和微孔层的特定气体扩散电极基体,并且其中碳片是多孔的,并且微孔层中包含的碳粉的DBP吸油量为70-155ml / 100g。

    TOWPREG, METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING PRESSURE CONTAINER

    公开(公告)号:EP3786218A1

    公开(公告)日:2021-03-03

    申请号:EP19807993.1

    申请日:2019-05-15

    IPC分类号: C08J5/24 F17C1/00

    摘要: The present invention addresses the problem of providing: a towpreg that has superior bobbin unspoolability and process pass-through properties, and is capable of yielding a fiber-reinforced composite having extremely high 0° tensile strength utilization; and a pressure vessel using such a towpreg. The means for solving this problem is a towpreg obtained by impregnating a reinforcing fiber tow with an epoxy resin composition containing [A]-[D], wherein: the epoxy resin composition contains 10-90 parts by mass of [A] and 10-50 parts by mass of [B] per 100 parts by mass of the epoxy resin component; the epoxy resin composition has a 25°C viscosity (η 25 ) of 1-40 Pa·s and a 40°C viscosity (η 40 ) of 0.2-5 Pa·s; and the cured epoxy resin composition has a glass transition temperature (Tg) of 95°C or higher. [A] A bisphenol epoxy resin [B] Unsubstituted or substituted N,N-diglycidyl aniline [C] Dicyandiamide [D] A cure accelerator

    PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL

    公开(公告)号:EP3766926A1

    公开(公告)日:2021-01-20

    申请号:EP19772576.5

    申请日:2019-02-27

    IPC分类号: C08J5/24

    摘要: An object of the present invention is to provide: a prepreg having an excellent tackiness as well as an excellent resin strength after curing and strength in the non-fiber direction; and a fiber-reinforced composite material using the prepreg. The present invention provides a prepreg composed of reinforcing fibers and a resin composition,
    wherein the resin composition includes the following components [A] to [C]:
    [A]: an epoxy resin;
    [B]: a dicyandiamide; and
    [C]: a compound which has a melting point of 130°C or lower and a solubility parameter whose difference from the solubility parameter of [B] is 8 or less; and
    wherein the resin composition has a viscosity at 25°C of 1,000 Pa·s or more.

    GAS DIFFUSION ELECTRODE AND FUEL CELL
    8.
    发明公开

    公开(公告)号:EP3396754A1

    公开(公告)日:2018-10-31

    申请号:EP16878582.2

    申请日:2016-12-16

    IPC分类号: H01M4/86 H01M8/10

    CPC分类号: H01M4/86 H01M8/10

    摘要: The purpose of the present invention is to provide a gas diffusion electrode having excellent dry-up resistance and flooding resistance, the gas diffusion electrode also having excellent power generation performance across a wide temperature range. In order to achieve this purpose, the present invention is configured as described below. Specifically, the present invention is a gas diffusion electrode having a microporous layer on at least one surface of an electroconductive porous substrate, wherein: the microporous layer has a first microporous layer in contact with the electroconductive porous substrate, and a dense layer in contact with the first microporous layer; the thickness of the dense layer is at least 1 µm; and the average number density B of pores having a pore diameter of 0.15-1 µm in the dense layer is at least 1.3A, where A is the average number density of pores having a pore diameter of 0.15-1 µm in the microporous layer disposed on at least one surface of the electroconductive porous substrate,.

    GAS DIFFUSION ELECTRODE SUBSTRATE
    10.
    发明公开
    GAS DIFFUSION ELECTRODE SUBSTRATE 有权
    GASDIFFUSIONSELEKTRODENSUBSTRAT

    公开(公告)号:EP3113265A1

    公开(公告)日:2017-01-04

    申请号:EP15752513.0

    申请日:2015-02-17

    摘要: A gas diffusion electrode substrate that is used in a fuel cell, wherein a microporous layer constituted by a carbon based filler and a fluororesin is formed on one surface of the electrode substrate, the sliding angle of water on the surface on the opposite side of the surface on which the microporous layer is formed is 30 degrees or less, and the through-plane gas permeation resistance is 15 to 190 mmAq.

    摘要翻译: 在燃料电池中使用的气体扩散电极基板,其特征在于,在所述电极基板的一个面上形成由碳基填料和氟树脂构成的微孔层,在所述燃料电池的相反侧的表面上的水的滑动角度 其上形成有微孔层的表面为30度以下,贯通面气体渗透阻力为15〜190mmAq。