Evaporative cooled fuel cell
    31.
    发明授权
    Evaporative cooled fuel cell 有权
    蒸发冷却燃料电池

    公开(公告)号:US06960404B2

    公开(公告)日:2005-11-01

    申请号:US10375392

    申请日:2003-02-27

    申请人: Steven G. Goebel

    发明人: Steven G. Goebel

    摘要: The present invention relates to an electrochemical cell having the separator assembly that comprises a fluid distribution means comprising wicking material on the cathode side of a membrane electrode assembly (MEA). The wicking material transports liquids internally within the fuel cell; promotes humidification of the membrane; and provides a self-regulating cooling system for the fuel cell. The wicking material further forms gas flow channels for introducing gases to and from the MEA. Other preferred aspects of the present invention include methods of cooling the fuel cell by evaporation and/or vaporization at the cathode side.

    摘要翻译: 本发明涉及具有分离器组件的电化学电池,其包括在膜电极组件(MEA)的阴极侧上包括芯吸材料的流体分配装置。 芯吸材料在燃料电池内部运送液体; 促进膜的加湿; 并为燃料电池提供自调节冷却系统。 芯吸材料进一步形成用于将气体引入和流出MEA的气体流动通道。 本发明的其它优选方案包括通过在阴极侧蒸发和/或蒸发来冷却燃料电池的方法。

    Fuel cell shutdown and startup using a cathode recycle loop

    公开(公告)号:US06939633B2

    公开(公告)日:2005-09-06

    申请号:US10664329

    申请日:2003-09-17

    申请人: Steven G. Goebel

    发明人: Steven G. Goebel

    摘要: A method and device for operating a fuel cell system. A recirculation loop coupled to a fuel cell cathode ensures that fluids passing through the cathode are recycled, thereby enabling reaction between residual oxygen in the recycled fluid and fuel that has been introduced into the recirculation loop until substantially all of the oxygen is reacted, leaving a substantially oxygen-free, predominantly nitrogen compound in the cathode and related flowpath. Thereafter, this compound can be redirected to purge the remaining residual hydrogen resident in the fuel cell's anode and related flowpath. While the present invention is usable during any period of system operation, it is especially valuable for operational conditions associated with starting up and shutting down a fuel cell system to inhibit the formation of high voltage potentials that could otherwise damage fuel cell catalysts or catalysts supports.

    Tapered anode header insert for startup hydrogen distribution
    35.
    发明授权
    Tapered anode header insert for startup hydrogen distribution 有权
    锥形阳极插头,用于启动氢气分配

    公开(公告)号:US08541145B2

    公开(公告)日:2013-09-24

    申请号:US12887792

    申请日:2010-09-22

    申请人: Steven G. Goebel

    发明人: Steven G. Goebel

    IPC分类号: H01M8/04 H01M8/24

    摘要: A fluid distribution insert adapted to be received within an inlet header of a fuel cell assembly is disclosed. The fluid distribution insert includes a wedge section having a first end and a second end. The wedge section forms a fluid flow path between a surface forming the inlet header and the wedge section, wherein the fluid flow path receives a fluid therein and delivers the fluid to a plurality of fuel cells of the fuel cell assembly. The wedge section minimizes a cross-sectional area of the fluid flow path adjacent the second end of the wedge section to maintain a substantially constant fluid velocity along a length of the inlet header.

    摘要翻译: 公开了一种适于容纳在燃料电池组件的入口集管内的流体分配插入件。 流体分配插入件包括具有第一端和第二端的楔形部分。 楔形部分形成在形成入口集管和楔形部分的表面之间的流体流动路径,其中流体流动路径在其中接收流体并将流体输送到燃料电池组件的多个燃料电池。 楔形部分最小化与楔形部分的第二端相邻的流体流动路径的横截面积,以沿着入口集管的长度保持基本恒定的流体速度。

    OPERATIONAL METHOD FOR A SIMPLIFIED FUEL CELL SYSTEM
    36.
    发明申请
    OPERATIONAL METHOD FOR A SIMPLIFIED FUEL CELL SYSTEM 有权
    简化燃料电池系统的运行方法

    公开(公告)号:US20130209907A1

    公开(公告)日:2013-08-15

    申请号:US13397458

    申请日:2012-02-15

    申请人: Steven G. Goebel

    发明人: Steven G. Goebel

    IPC分类号: H01M8/04

    摘要: A system and method for reducing the corrosive effects of an air/hydrogen front in a fuel cell stack. The method includes shutting down the fuel cell stack and then initiating a hydrogen sustaining process where hydrogen is periodically injected into an anode side of the fuel cell stack while the stack is shut down for a predetermined period of time. The method determines that the hydrogen sustaining process has ended, and then purges the anode side and a cathode side of the fuel cell stack with air after the hydrogen sustaining process has ended and the stack is still shut-down.

    摘要翻译: 一种用于降低燃料电池堆中空气/氢气前沿的腐蚀作用的系统和方法。 该方法包括关闭燃料电池堆,然后启动氢气维持过程,其中在将堆叠关闭的同时将燃料电池堆的阳极侧周期性地注入氢气一段预定的时间。 该方法确定氢持续处理已经结束,然后在氢维持处理结束并且堆栈仍然停止之后用空气吹扫燃料电池堆的阳极侧和阴极侧。

    Fabrication of electrodes with multiple nanostructured thin catalytic layers
    37.
    发明授权
    Fabrication of electrodes with multiple nanostructured thin catalytic layers 有权
    具有多个纳米结构的薄催化层的电极的制造

    公开(公告)号:US08507152B2

    公开(公告)日:2013-08-13

    申请号:US12718330

    申请日:2010-03-05

    IPC分类号: H01M4/02 H01M8/00 B44C1/165

    摘要: A method of making a reconstructed electrode having a plurality of nanostructured thin catalytic layers is provided. The method includes combining a donor decal comprising at least one nanostructured thin catalytic layer on a substrate with an acceptor decal comprising a porous substrate and at least one nanostructured thin catalytic layer. The donor decal and acceptor decal are bonded together using a temporary adhesive, and the donor substrate is removed. The temporary adhesive is then removed with appropriate solvents. Catalyst coated proton exchange membranes and catalyst coated diffusion media made from the reconstructed electrode decals having a plurality of nanostructured thin catalytic layers are also described.

    摘要翻译: 提供了制造具有多个纳米结构的薄催化层的重建电极的方法。 该方法包括将包含至少一个纳米结构的薄催化剂层的施主贴图与包含多孔底物和至少一个纳米结构的薄催化层的受体贴片组合在一起。 供体贴花和接受体贴花使用临时粘合剂粘合在一起,并且移除供体底物。 然后用合适的溶剂除去临时粘合剂。 还描述了由具有多个纳米结构的薄催化层的重建电极贴片制成的催化剂涂覆的质子交换膜和由催化剂涂覆的扩散介质。

    Passive water drain
    38.
    发明授权
    Passive water drain 有权
    被动排水

    公开(公告)号:US08431278B2

    公开(公告)日:2013-04-30

    申请号:US12701864

    申请日:2010-02-08

    IPC分类号: H01M8/04 F16T1/34

    摘要: A passive water drain for removal of water from a fuel cell system is disclosed, the drain including a main body having a cavity formed therein, an interior element, and a hydrophilic porous media. The passive water drain is adapted to simplify the anode reactant recycler, eliminate the need for bypass valve systems used to remove water from the cathode exhaust, and eliminate the need for condensate draining systems used for compressed air entering the cathode.

    摘要翻译: 公开了一种用于从燃料电池系统去除水的被动排水口,排水口包括其中形成有空腔的主体,内部元件和亲水性多孔介质。 被动排水装置适用于简化阳极反应物再循环器,不需要用于从阴极排气口移除水的旁路阀系统,并且不需要用于进入阴极的压缩空气的冷凝水排放系统。

    ELECTROFORMED BIPOLAR PLATES FOR FUEL CELLS
    40.
    发明申请
    ELECTROFORMED BIPOLAR PLATES FOR FUEL CELLS 有权
    用于燃料电池的电动双极板

    公开(公告)号:US20110262829A1

    公开(公告)日:2011-10-27

    申请号:US12765049

    申请日:2010-04-22

    摘要: A bipolar plate assembly for a fuel cell is provided. The bipolar plate assembly includes a first electroformed unipolar plate disposed adjacent a second electroformed unipolar plate. The first and second unipolar plates are bonded by a plurality of localized electrically and thermally conductive plugs by electroplated material deposited within apertures formed in the substrates onto which the unipolar plates are electroformed. A method for forming the bipolar plate assembly is also described.

    摘要翻译: 提供了一种用于燃料电池的双极板组件。 双极板组件包括邻近第二电铸单极板设置的第一电铸单极板。 第一单极板和第二单极板通过沉积在基板上形成的孔内的电镀材料通过多个局部的导电和导电插塞接合,单极板被电铸在其上。 还描述了用于形成双极板组件的方法。