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公开(公告)号：US20160351919A1
公开(公告)日：2016-12-01
申请号：US15116572
申请日：2015-02-04
IPC分类号： H01M8/0234 , H01M8/0245 , H01M8/0243 , H01M4/88 , H01M4/86
摘要： A porous gas diffusion substrate comprising: (a) a porous non-woven web comprising carbon fibres; and (b) a carbonaceous residue; wherein the carbonaceous residue is embedded within the porous non-woven web; (c) a fluorinated polymer; and (d) inert particles wherein at least some of the carbon fibres of the porous non-woven web have a coating comprising the fluorinated polymer and inert particles is disclosed.
摘要翻译： 一种多孔气体扩散基材，包括：（a）包含碳纤维的多孔非织造网; 和（b）碳质残渣; 其中所述含碳残留物嵌入所述多孔无纺网内; （c）氟化聚合物; 和（d）惰性颗粒，其中多孔无纺网的至少一些碳纤维具有包含含氟聚合物和惰性颗粒的涂层。
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公开(公告)号：US20160104898A1
公开(公告)日：2016-04-14
申请号：US14891042
申请日：2014-05-14
发明人： Alejandro Martinez BONASTRE , Rachel Louise O'MALLEY , Geoffrey Hugh SPIKES , Frederick Tadeusz WAGNER
CPC分类号： H01M4/921 , C25C1/20 , H01M4/8807 , H01M4/8878 , H01M4/926 , H01M8/1004
摘要： A de-alloyed catalyst of formula PtXY, wherein X is selected from the group consisting of Ni, Co and Cr; and Y is selected from the group consisting of Zn, Al, Sn, Be, Pb, Ga, V, In, Y, Sr and Ti; characterised in that the total atomic composition relative to Pt of X and Y at the surface of the de-alloyed catalyst as determined from X-ray photoelectron spectroscopy is between 20 and 99% lower than the total atomic composition relative to Pt of X and Y in the bulk of the de-alloyed catalyst is disclosed.
摘要翻译： 式PtXY的脱合金催化剂，其中X选自Ni，Co和Cr; Y选自Zn，Al，Sn，Be，Pb，Ga，V，In，Y，Sr和Ti; 其特征在于，从X射线光电子能谱法测定的脱合金催化剂表面的X和Y相对于Pt的总原子组成相对于X和Y相对于Pt的总原子组成低20〜99％ 公开了大部分脱合金催化剂。
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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
CPC分类号： H01M4/921 , B01J21/18 , B01J23/466 , B01J23/6484 , B01J23/6486 , B01J37/0201 , H01M4/86 , H01M4/881 , H01M4/8828 , H01M4/8842 , H01M4/925 , H01M4/926 , H01M8/1004 , H01M8/1018 , H01M2004/8684 , H01M2008/1095 , H01M2250/20 , H01M2300/0082 , Y02E60/521 , Y02T90/32
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。
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公开(公告)号：US20150207153A1
公开(公告)日：2015-07-23
申请号：US14419374
申请日：2013-08-05
CPC分类号： H01M4/8842 , H01M4/8657 , H01M4/8825 , H01M4/8878 , H01M4/9041 , H01M4/9075 , H01M4/92 , H01M4/921 , H01M4/925 , H01M2008/1095 , Y02E60/50
摘要： A process for preparing a catalytic material including (i) a support material and (ii) a thin film catalyst coating, the coating including one or more first metals, wherein the process includes the steps of: providing a multilayer thin film coating of a second metal on the support material; and spontaneous galvanic displacement of at least some of the second metal with the one or more first metals; wherein the second metal is less noble than the one or more first metals.
摘要翻译： 一种制备催化材料的方法，包括（i）载体材料和（ii）薄膜催化剂涂层，所述涂层包括一种或多种第一金属，其中所述方法包括以下步骤：提供第二层的多层薄膜涂层 金属在支撑材料上; 以及至少一些所述第二金属与所述一种或多种第一金属的自发电位移动; 其中所述第二金属比所述一种或多种第一金属更不贵。
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公开(公告)号：US08551668B2
公开(公告)日：2013-10-08
申请号：US13653847
申请日：2012-10-17
发明人： Silvain Buche , Adam John Hodgkinson , Catherine Helen de Rouffignac , Jonathan David Brereton Sharman
CPC分类号： H01M4/926 , H01M4/8605 , H01M4/921 , H01M8/0234 , H01M8/1004
摘要： A sealed and/or reinforced membrane electrode assembly is disclosed. Encapsulation films, each comprising a backing layer and an adhesive layer, are positioned on the edges of at least one face of each gas diffusion substrate such that the adhesive layers impregnate into each gas diffusion substrate. Methods of forming sealed and/or reinforced membrane electrode assemblies are also disclosed.
摘要翻译： 公开了一种密封和/或增强的膜电极组件。 每个气体扩散基板的至少一个表面的边缘上均设有包含背衬层和粘合剂层的封装膜，使得粘合剂层浸入每个气体扩散基板中。 还公开了形成密封和/或增强的膜电极组件的方法。
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公开(公告)号：US10811716B2
公开(公告)日：2020-10-20
申请号：US14408168
申请日：2013-07-10
IPC分类号： H01M8/1053 , H01M4/88 , H01M8/1041 , C08J5/22 , C08J7/04 , H01M8/1004 , H01M8/1018
摘要： An ion-conducting membrane includes: (i) a first ion-conducting layer including one or more first ion-conducting polymers; and (ii) a barrier layer including graphene-based platelets.
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公开(公告)号：US10777833B2
公开(公告)日：2020-09-15
申请号：US15329850
申请日：2015-08-04
申请人： Johnson Matthey Fuel Cells Limited , Centre National de la Recherche Scientifique , Universite de Montpellier
发明人： Deborah Jones , Jacques Roziere , Sara Cavaliere , Surya Subianto , Sarah Burton
IPC分类号： H01M8/00 , H01M8/106 , H01M8/1039 , H01M8/1044 , H01M8/1023 , H01M8/1062 , B01D67/00 , B01D69/12 , H01M8/0289 , B01J39/19 , B01J39/20 , C08J5/22 , C08L27/12 , C08L79/04 , C25B13/08 , H01M8/103 , H01M8/1032 , H01M8/1018 , B01D71/62 , B01D69/02 , B01D71/32
摘要： An electrolyte membrane including (i) a porous mat of nanofibres, wherein the nanofibres are composed of a non-ionically conducting heterocyclic-based polymer, the heterocyclic-based polymer comprising basic functional groups and being soluble in organic solvent; and (ii) an ion-conducting polymer which is a partially- or fully-fluorinated sulphonic acid polymer. The porous mat is essentially fully impregnated with ion-conducting polymer, and the thickness of the porous mat in the electrolyte membrane is distributed across at least 80% of the thickness of the electrolyte membrane. Such a membrane is of use in a proton exchange membrane fuel cell or an electrolyser.
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公开(公告)号：US10530002B2
公开(公告)日：2020-01-07
申请号：US14350162
申请日：2012-10-24
IPC分类号： H01M8/10 , H01M8/1032 , H01M8/1027 , H01M4/90 , H01M8/1041 , H01M8/1053 , H01M4/92 , H01M8/1025 , H01M8/1023 , H01M8/1044 , H01M8/1004 , H01M8/1039
摘要： An ion-conducting membrane including a first layer and a second layer, wherein the first layer includes a perfluorosulphonic acid polymer and the second layer includes a sulphonated hydrocarbon polymer, characterised in that the ion-conducting membrane has a total thickness of from 5 μm to 50 μm and the second layer has a total thickness of 2 μm or less is disclosed.
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公开(公告)号：US10256491B2
公开(公告)日：2019-04-09
申请号：US15309942
申请日：2015-05-20
IPC分类号： H01M8/10 , H01M8/1004 , H01M4/92
摘要： The invention includes a catalysed membrane and membrane electrode assembly. The membrane and membrane electrode assembly comprise an ion-conducting membrane component comprising an ion-conducting membrane, an anode catalyst layer, and a cathode catalyst layer. The anode catalyst layer comprises a first electrocatalyst component comprising a first platinum-containing electrocatalyst and a first carbon support. The first carbon support supports the first platinum-containing electrocatalyst, and the electrochemical platinum surface area in the anode catalyst layer is 5-100 cm2Pt/cm2 of the geometric electrode area of the anode catalyst layer. The cathode catalyst layer comprises a second electrocatalyst component and a second oxygen evolution reaction electrocatalyst. The second electrocatalyst component comprises a second platinum-containing electrocatalyst and a second carbon support, wherein the second carbon support supports the second platinum-containing electrocatalyst component.
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公开(公告)号：US10074860B2
公开(公告)日：2018-09-11
申请号：US15128216
申请日：2015-03-24
发明人： David Edward Barnwell , Robert Jeffrey Coleman , Angus Dickinson , Jorge Manuel Caramelo Soares , Lee Alan Sweetland
IPC分类号： H01M8/02 , H01M8/0297 , H01M4/88 , H01M4/90 , H01M4/92 , H01M8/0273 , H01M8/1018
CPC分类号： H01M8/0297 , H01M4/8814 , H01M4/8825 , H01M4/8828 , H01M4/8832 , H01M4/8835 , H01M4/8839 , H01M4/886 , H01M4/8882 , H01M4/9041 , H01M4/9075 , H01M4/9091 , H01M4/926 , H01M4/928 , H01M8/0273 , H01M8/1004 , H01M2008/1095 , Y02P70/56
摘要： Disclosed is a process for the manufacture of a catalyst-coated membrane-seal assembly, including: (i) providing a carrier material; (ii-i) forming a first layer, the first layer being formed by: (a) depositing a first catalyst component onto the carrier material such that the first catalyst component is deposited in discrete regions; (b) drying the first layer; (ii-ii) forming a second layer, the second layer being formed by: (a) depositing a first seal component, such that the first seal component provides a picture frame pattern having a continuous region and void regions, the continuous region including second seal component and the void regions being free from second seal component; (b) depositing a first ionomer component onto the first layer, such that the first ionomer component is deposited in discrete regions; and (c) drying the second layer.
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