Conformable fuel cell
    1.
    发明授权
    Conformable fuel cell 失效
    符合要求的燃料电池

    公开(公告)号:US07510794B2

    公开(公告)日:2009-03-31

    申请号:US10791101

    申请日:2004-03-02

    IPC分类号: H01M8/02 H01M8/10

    摘要: A conformable fuel cell is provided which includes a basic structure that provides flexibility while providing a high compression along the active surface of the fuel cell's membrane electrode assembly, which can be achieved by an injection-molded frame. A suitable fuel is delivered to the anode aspect of the fuel cell. Effective water management could also be provided by appropriate diffusion layers. The fuel cell can be contour-molded to a desired shape, or can be constructed of an array of flexibly connected individual fuel cells that overall have a curvilinear shape, or can be constructed as a pliable fuel cell that can be incorporated into an application device or an article of clothing.

    摘要翻译: 提供了一种适应性的燃料电池,其包括提供柔性的基本结构,同时沿着燃料电池的膜电极组件的活性表面提供高压缩性,这可以通过注射成型的框架来实现。 合适的燃料被输送到燃料电池的阳极方面。 有效的水管理也可以由适当的扩散层提供。 燃料电池可以被轮廓模制成所需的形状,或者可以由整体上具有曲线形状的柔性连接的单个燃料电池的阵列构成,或者可以被构造为可并入到应用装置中的柔性燃料电池 或一件衣服。

    Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system
    4.
    发明授权
    Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system 有权
    直接甲醇燃料电池系统中无甲醇浓度优化的装置和方法

    公开(公告)号:US06824899B2

    公开(公告)日:2004-11-30

    申请号:US10040502

    申请日:2001-11-09

    IPC分类号: H01M800

    CPC分类号: H01M8/04194 H01M8/04291

    摘要: Apparatus and methods for regulating methanol concentration in a direct methanol fuel cell system without the need for a methanol concentration sensor. One or more operating characteristics of the fuel cell, such as the potential across the load, open circuit potential, potential at the anode proximate to the end of the fuel flow path or short circuit current of the fuel cell, are used to actively control the methanol concentration.

    摘要翻译: 在直接甲醇燃料电池系统中调节甲醇浓度的装置和方法,而不需要甲醇浓度传感器。 燃料电池的一个或多个操作特性,例如负载电位,开路电位,靠近燃料流路端部的阳极电位或燃料电池的短路电流,被用于主动地控制 甲醇浓度。

    Passively pumped liquid feed fuel cell system
    5.
    发明授权
    Passively pumped liquid feed fuel cell system 失效
    被动泵送液体进料燃料电池系统

    公开(公告)号:US06645655B1

    公开(公告)日:2003-11-11

    申请号:US09717754

    申请日:2000-11-21

    IPC分类号: H01M800

    摘要: A direct methanol fuel cell (DMFC) system is provided with a pump for pumping methanol into the cell. The pump is driven by carbon dioxide produced by the electrochemical reaction at the anode of the fuel cell. Because the amount of CO2 generated is proportional to the power generated by the cell, and thus the amount of fuel demanded by the cell, the pump is self-regulating. The system may be integrated using microelectromechanical system fabrication techniques.

    摘要翻译: 直接甲醇燃料电池(DMFC)系统配备有用于将甲醇泵入电池的泵。 该泵由在燃料电池的阳极处的电化学反应产生的二氧化碳驱动。 因为产生的二氧化碳量与电池产生的功率成正比,因此与电池所需的燃料量成正比,泵是自调节的。 该系统可以使用微机电系统制造技术来集成。

    Fluid flow plate for water management, method for fabricating same, and
fuel cell employing same
    6.
    发明授权
    Fluid flow plate for water management, method for fabricating same, and fuel cell employing same 有权
    用于水管理的流体流动板,其制造方法和使用其的燃料电池

    公开(公告)号:US6015633A

    公开(公告)日:2000-01-18

    申请号:US168232

    申请日:1998-10-07

    IPC分类号: H01M8/02 H01M8/04

    摘要: A fluid flow plate includes a generally porous portion and a generally non-porous portion which together form on a first surface of the plate, a flow channel having at least one turn for distributing a reactant gas in a fuel cell. The porous portion defines an outer lateral portion of the at least one turn. Such fluid flow plate(s) provide a water management scheme for a fuel cell and/or fuel cell assembly in which the turn(s) in a flow channel of the fluid flow plate(s) are used for multi-point per flow channel addition, removal, and/or redistribution of water for regulation of the humidity of a stream of reactant gas for membrane hydration and/or cooling. Desirably, for removal of water, the inertia of large water droplets moving along with the reactant gas through the flow channel impact the porous portion which forms the outer lateral portion of the turn(s).

    摘要翻译: 流体流动板包括通常多孔部分和一般形成在板的第一表面上的大致无孔部分,流动通道具有至少一匝,用于在燃料电池中分配反应气体。 多孔部分限定至少一匝的外侧部分。 这种流体流动板为燃料电池和/或燃料电池组件提供水管理方案,其中流体流板的流动通道中的回转用于多点每流动通道 添加,去除和/或再分配水以调节用于膜水合和/或冷却的反应气体流的湿度。 理想地,为了去除水,与反应气体一起通过流动通道移动的大水滴的惯性撞击形成转弯的外侧部分的多孔部分。

    Passively pumped liquid feed fuel cell system
    7.
    发明授权
    Passively pumped liquid feed fuel cell system 失效
    被动泵送液体进料燃料电池系统

    公开(公告)号:US06699021B2

    公开(公告)日:2004-03-02

    申请号:US10299286

    申请日:2002-11-19

    IPC分类号: F04B4306

    摘要: A direct methanol fuel cell (DMFC) system is provided with a pump for pumping methanol into the cell. The pump is driven by carbon dioxide produced by the electro-chemical reaction at the anode of the fuel cell. Because the amount of CO2 generated is proportional to the power generated by the cell, and thus the amount of fuel demanded by the cell, the pump is self-regulating. The system may be integrated using microelectro-mechanical system fabrication techniques.

    摘要翻译: 直接甲醇燃料电池(DMFC)系统配备有用于将甲醇泵入电池的泵。 该泵由在燃料电池的阳极处的电化学反应产生的二氧化碳驱动。 因为产生的二氧化碳量与电池产生的功率成正比,因此与电池所需的燃料量成正比,所以泵是自调节的。 该系统可以使用微电子机械系统制造技术来集成。

    Method and apparatus for CO2 - driven air management for a fuel cell system
    8.
    发明授权
    Method and apparatus for CO2 - driven air management for a fuel cell system 失效
    用于燃料电池系统的二氧化碳驱动空气管理的方法和装置

    公开(公告)号:US06566003B2

    公开(公告)日:2003-05-20

    申请号:US09837831

    申请日:2001-04-18

    申请人: William P. Acker

    发明人: William P. Acker

    IPC分类号: H01M200

    摘要: A method and apparatus for oxygen management in a direct oxidation fuel cell system is provided. The oxygen management apparatus forces oxygen (typically from ambient air) into the cathode chamber of the fuel cell to facilitate the flow of oxygen across the cathode face of the fuel cell. It does so by utilizing the carbon dioxide already produced in the chemical reaction on the anode chamber of the cell. In a first embodiment of the invention, a turbine assembly is placed in fluid communication with the anode chamber of the fuel cell. The turbine assembly is driven when the carbon dioxide produced at the anode chamber flows over the blades of a first turbine (which is referred to herein as “the vent turbine”). The vent turbine is attached to a drive shaft that is used to cause a second turbine (or fan) to draw oxygen (generally from ambient air) into the cathode chamber of the fuel cell. This drawn-in air forces oxygen over the cathode of the fuel cell. The second turbine is referred to herein as “the inlet turbine.” Other embodiments of the invention allow for adjustments to be made depending upon the conditions in which the invention is used.

    摘要翻译: 提供了一种用于直接氧化燃料电池系统中的氧气管理的方法和装置。 氧气管理装置将氧气(通常从环境空气)引入燃料电池的阴极室,以促进氧气流过燃料电池的阴极面。 它通过利用在电池的阳极室上的化学反应中已经产生的二氧化碳来实现。 在本发明的第一实施例中,涡轮组件被放置成与燃料电池的阳极室流体连通。 当在阳极室产生的二氧化碳流过第一涡轮(这里称为“通风涡轮机”)的叶片时,涡轮机组件被驱动。 通风涡轮机附接到用于使第二涡轮机(或风扇)将氧气(通常从环境空气)吸入燃料电池的阴极室的驱动轴。 该吸入空气迫使氧气在燃料电池的阴极上。 第二涡轮机在本文中被称为“入口涡轮机”。 本发明的其他实施例允许根据使用本发明的条件进行调整。

    Fuel cell system with active methanol concentration control
    10.
    发明授权
    Fuel cell system with active methanol concentration control 失效
    具有活性甲醇浓度控制的燃料电池系统

    公开(公告)号:US06761988B1

    公开(公告)日:2004-07-13

    申请号:US09718148

    申请日:2000-11-21

    IPC分类号: H01M804

    摘要: A direct methanol fuel cell (DMFC) system in which, in response to changes in the output power level of the cell, the concentration of methanol supplied to the anode is actively regulated. As a result, cross-over of methanol through the cell's membrane electrolyte is minimized, and operating efficiency is maintained over a wide dynamic range of output power levels.

    摘要翻译: 直接甲醇燃料电池(DMFC)系统,其中响应于电池的输出功率电平的变化,主动调节供应到阳极的甲醇的浓度。 结果,通过电池的膜电解质的甲醇交叉被最小化,并且在输出功率水平的宽的动态范围内保持操作效率。