WATER REMOVAL SYSTEM FOR NON-REACTIVE REGIONS IN PEFMC STACKS
    41.
    发明申请
    WATER REMOVAL SYSTEM FOR NON-REACTIVE REGIONS IN PEFMC STACKS 有权
    PEFMC堆栈中非反应区域的水去除系统

    公开(公告)号:US20080241607A1

    公开(公告)日:2008-10-02

    申请号:US11695200

    申请日:2007-04-02

    Abstract: A device and method to extract water from a moisture-rich fuel cell flowpath. A water transport unit is integrated into the fuel cell so that liquid water stagnation within flow channels and manifolds is reduced. In one embodiment, the device includes numerous flowpaths that include an active region and an inactive region. The water transport unit includes a hydrophilic member such that upon passage of a fluid with the excess water through the inactive region of the device flowpath and into the presence of the hydrophilic member, it absorbs excess water from the fluid.

    Abstract translation: 从富含水分的燃料电池流路中提取水的装置和方法。 水输送单元被集成到燃料电池中,使得在流动通道和歧管内的液态水停滞减少。 在一个实施例中,该装置包括许多流路,其包括有源区和非活动区。 水输送单元包括亲水构件,使得当流体与过量的水通过装置流动路径的非活动区域并且进入亲水构件的存在时,其吸收来自流体的多余的水。

    Co-deposition of conductive material at the diffusion media/plate interface

    公开(公告)号:US09653737B2

    公开(公告)日:2017-05-16

    申请号:US12699968

    申请日:2010-02-04

    CPC classification number: H01M4/88 H01M8/10 Y02E60/521

    Abstract: A method of depositing a conductive material is described. The method includes: providing a plate selected from anode plates, cathode plates, bipolar plates, or combinations thereof, wherein the plate includes gas flow channels; providing a diffusion media in contact with the gas flow channel side of the plate to form an assembly; introducing a gaseous precursor of the conductive material into the assembly using a chemical vapor infiltration process; infiltrating the gaseous precursor into the diffusion media and gas flow channels of the plates; and depositing a coating of the conductive material on the diffusion media, the gas flow channels of the plate, or both. An assembly having a CVI conductive coating and a fuel cell incorporating the diffusion media having the CVI conductive coating are also described.

    Low-cost hydrophilic treatment method for assembled PEMFC stacks
    46.
    发明授权
    Low-cost hydrophilic treatment method for assembled PEMFC stacks 有权
    组装PEMFC堆叠的低成本亲水处理方法

    公开(公告)号:US08389047B2

    公开(公告)日:2013-03-05

    申请号:US11643403

    申请日:2006-12-21

    Abstract: A method for depositing a hydrophilic coating on flow field plates or bipolar plates and manifolds in a fuel cell stack after the stack is assembled. The method includes preparing a solution that contains hydrophilic nano-particles suspended in a suitable solvent. The cathode and anode inlet and outlet manifolds and the cathode and anode flow channels are filled with the solution. The solution is then pumped out of the stack using, for example, a stream of nitrogen. The stack is allowed to dry, using heat if desirable, to provide a film of the nano-particles formed on the anode and cathode flow channels and manifolds within the stack.

    Abstract translation: 一种在堆叠组装之后,在燃料电池堆中的流场板或双极板和歧管上沉积亲水涂层的方法。 该方法包括制备包含悬浮在合适溶剂中的亲水性纳米颗粒的溶液。 阴极和阳极入口和出口歧管以及阴极和阳极流动通道用溶液填充。 然后使用例如氮气流将溶液泵出堆叠。 如果需要,可以使用热量使堆叠干燥,以提供在阳极和阴极流动通道和堆叠内的歧管形成的纳米颗粒的膜。

    Water removal system for non-reactive regions in PEFMC stacks
    49.
    发明授权
    Water removal system for non-reactive regions in PEFMC stacks 有权
    PEFMC堆叠中非反应性区域的除水系统

    公开(公告)号:US08034502B2

    公开(公告)日:2011-10-11

    申请号:US11695200

    申请日:2007-04-02

    Abstract: A device and method to extract water from a moisture-rich fuel cell flowpath. A water transport unit is integrated into the fuel cell so that liquid water stagnation within flow channels and manifolds is reduced. In one embodiment, the device includes numerous flowpaths that include an active region and an inactive region. The water transport unit includes a hydrophilic member such that upon passage of a fluid with the excess water through the inactive region of the device flowpath and into the presence of the hydrophilic member, it absorbs excess water from the fluid.

    Abstract translation: 从富含水分的燃料电池流路中提取水的装置和方法。 水输送单元被集成到燃料电池中,使得在流动通道和歧管内的液态水停滞减少。 在一个实施例中,该装置包括许多流路,其包括有源区和非活动区。 水输送单元包括亲水构件,使得当流体与过量的水通过装置流动路径的非活动区域并且进入亲水构件的存在时,其吸收来自流体的多余的水。

    CO-DEPOSITION OF CONDUCTIVE MATERIAL AT THE DIFFUSION MEDIA/PLATE INTERFACE
    50.
    发明申请
    CO-DEPOSITION OF CONDUCTIVE MATERIAL AT THE DIFFUSION MEDIA/PLATE INTERFACE 有权
    导电材料在扩散介质/平板界面上的沉积

    公开(公告)号:US20110189580A1

    公开(公告)日:2011-08-04

    申请号:US12699968

    申请日:2010-02-04

    CPC classification number: H01M4/88 H01M8/10 Y02E60/521

    Abstract: A method of depositing a conductive material is described. The method includes: providing a plate selected from anode plates, cathode plates, bipolar plates, or combinations thereof, wherein the plate includes gas flow channels; providing a diffusion media in contact with the gas flow channel side of the plate to form an assembly; introducing a gaseous precursor of the conductive material into the assembly using a chemical vapor infiltration process; infiltrating the gaseous precursor into the diffusion media and gas flow channels of the plates; and depositing a coating of the conductive material on the diffusion media, the gas flow channels of the plate, or both. An assembly having a CVI conductive coating and a fuel cell incorporating the diffusion media having the CVI conductive coating are also described.

    Abstract translation: 描述了一种沉积导电材料的方法。 该方法包括:提供从阳极板,阴极板,双极板或其组合中选择的板,其中板包括气体流动通道; 提供与板的气体流动通道侧接触的扩散介质以形成组件; 使用化学气相渗透方法将导电材料的气态前体引入组件; 将气态前体渗透到板的扩散介质和气体流动通道中; 以及将导电材料的涂层沉积在扩散介质,板的气体流动通道或两者上。 还描述了具有CVI导电涂层和掺入具有CVI导电涂层的扩散介质的燃料电池的组件。

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