Process for making a reinforced membrane-seal assembly and membrane-seal assembly for fuel cell

    公开(公告)号:US10424800B2

    公开(公告)日:2019-09-24

    申请号:US15757188

    申请日:2016-09-08

    摘要: The present invention provides a process for the manufacture of a reinforced membrane-seal assembly, the process comprising, forming one or more strips of an ion-conducting component in a plane on a temporary carrier component, forming a plurality of strips of seal component in the same plane on the temporary carrier component, such that the one or more strips of an ion-conducting component lie between two of said strips of seal component, wherein a planar reinforcing component comprising a plurality of pores is provided in the plane, such that the ion-conducting component and the seal component fill the plurality of pores, the one or more strips of an ion-conducting component, the plurality of strips of seal component and the planar reinforcing component thereby together form a reinforced membrane-seal assembly, and wherein each strip of ion-conducting component extends from a first end of said assembly to a second opposite end.

    Catalyst layer assembly
    37.
    发明授权

    公开(公告)号:US09876234B2

    公开(公告)日:2018-01-23

    申请号:US15623783

    申请日:2017-06-15

    摘要: A reinforced catalyst layer assembly, suitably for use in a fuel cell, said reinforced catalyst layer assembly comprising: (i) a planar reinforcing component consisting of a porous material having pores extending through the thickness of the material in the z-direction, and (ii) a first catalyst component comprising a first catalyst material and a first ion-conducting material, characterised in that the first catalyst component is at least partially embedded within the planar reinforcing component, forming a first catalyst layer having a first surface and a second surface is disclosed.

    USE OF AN ANODE CATALYST LAYER
    38.
    发明申请
    USE OF AN ANODE CATALYST LAYER 有权
    使用ANODE催化剂层

    公开(公告)号:US20160006041A1

    公开(公告)日:2016-01-07

    申请号:US14765679

    申请日:2014-01-29

    IPC分类号: H01M4/92

    摘要: A method of operating a fuel cell having an anode, a cathode and a polymer electrolyte membrane disposed between the anode and the cathode, includes feeding the anode with an impure hydrogen stream having low levels of carbon monoxide up to 5 ppm, wherein the anode includes an anode catalyst layer including a carbon monoxide tolerant catalyst material, wherein the catalyst material includes: (i) a binary alloy of PtX, wherein X is a metal selected from the group consisting of Nb and Ta, and wherein the atomic percentage of platinum in the alloy is from 45 to 80 atomic % and the atomic percentage of X in the alloy is from 20 to 55 atomic %; and (ii) a support material on which the PtX alloy is dispersed; wherein the total loading of platinum in the anode catalyst layer is from 0.01 to 0.2 mgPt/cm2.

    摘要翻译: 一种操作具有设置在阳极和阴极之间的阳极,阴极和聚合物电解质膜的燃料电池的方法,包括向阳极供给具有低至一百五ppm的一氧化碳水平不足的不纯氢气流,其中阳极包括 包含一氧化碳耐受催化剂材料的阳极催化剂层,其中所述催化剂材料包括:(i)PtX的二元合金,其中X是选自Nb和Ta的金属,并且其中铂的原子百分比 该合金为45〜80原子%,合金中X的原子百分比为20〜55原子%。 和(ii)分散有PtX合金的载体材料; 其中铂在阳极催化剂层中的总负载量为0.01至0.2mgPt / cm 2。

    CATALYST LAYER
    40.
    发明申请
    CATALYST LAYER 审中-公开
    催化层

    公开(公告)号:US20130330651A1

    公开(公告)日:2013-12-12

    申请号:US13994186

    申请日:2011-12-14

    IPC分类号: H01M4/86

    摘要: A catalyst layer including an electrocatalyst and an oxygen evolution catalyst, wherein the oxygen evolution catalyst includes a crystalline metal oxide including: (i) one of more first metals selected from the group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, magnesium, calcium, strontium, barium, sodium, potassium, indium, thallium, tin, lead, antimony and bismuth; (ii) one or more second metals selected from the group consisting of Ru, Ir, Os and Rh; and (iii) oxygen characterised in that: (a) the atomic ratio of first metal(s):second metal(s) is from 1:1.5 to 1.5:1 (b) the atomic ratio of (first metal(s)+second metal(s)):oxygen is from 1:1 to 1:2 is disclosed.

    摘要翻译: 一种催化剂层,包括电催化剂和析氧催化剂,其中所述析氧催化剂包括结晶金属氧化物,所述结晶金属氧化物包括:(i)选自钇,镧,铈,镨,钕,ium, 钐,铕,钆,铽,镝,钬,铒,ium,镱,镥,镁,钙,锶,钡,钠,钾,铟,铊,锡,铅,锑和铋。 (ii)一种或多种选自Ru,Ir,Os和Rh的第二种金属; 和(iii)氧,其特征在于:(a)第一金属:第二金属的原子比为1:1.5至1.5:1(b)(第一金属+ 第二金属):公开了氧为1:1至1:2。