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    • 8. 发明申请
    • ON-DEMAND HYDROGEN GAS GENERATION DEVICE WITH PRESSURE-REGULATING SWITCH
    • 具有压力调节开关的燃料发电装置
    • US20090042072A1
    • 2009-02-12
    • US12177301
    • 2008-07-22
    • Viet VuGregory J. DavidsonCraig RomWilliam C. Bushong
    • Viet VuGregory J. DavidsonCraig RomWilliam C. Bushong
    • H01M8/00
    • H01M8/0656H01M8/04089H01M8/04216H01M8/0438H01M8/04895H01M8/065
    • The present disclosure generally relates to an on-demand hydrogen gas generation device, suitable for use in a fuel cell, which utilizes water electrolysis, and more particularly galvanic cell corrosion, and/or a chemical hydride reaction, to produce hydrogen gas. The present disclosure additionally relates to such a device that comprises a switching mechanism that has an electrical current passing therethrough and that repeatedly and reversibly moves between a first position and a second position when exposed to pressure differential resulting from hydrogen gas generation, in order to (1) alter the rate at which hydrogen gas is generated, such that hydrogen gas is generated on an as-needed basis for a fuel cell connected thereto, and/or (2) ensure a substantially constant flow of hydrogen gas is released therefrom. The present disclosure additionally or alternatively relates to such an on-demand hydrogen gas generation device that comprises a gas management system designed to maximize the release or evolution of hydrogen gas, and in particular dry hydrogen gas, therefrom once it has been formed, thus maximizing hydrogen gas output. The present disclosure is still further directed to a fuel cell comprising such an on-demand hydrogen gas generation device, and in particular a fuel cell designed for small-scale applications.
    • 本公开总体上涉及一种适用于燃料电池的按需氢气生成装置,其利用水电解,特别是电化学电池腐蚀和/或化学氢化物反应来产生氢气。 本公开另外涉及这样的装置,其包括切换机构,其具有穿过其中的电流,并且当暴露于由氢气产生产生的压力差时,可以在第一位置和第二位置之间反复和可逆地移动,以便( 1)改变产生氢气的速率,使得根据需要为与其连接的燃料电池产生氢气,和/或(2)确保从其中释放基本上恒定的氢气流。 本公开另外地或可替代地涉及这样一种按需氢气生成装置,其包括气体管理系统,其被设计成使得一旦形成氢气的氢气的释放或放出最大化,特别是干氢气,从而最大化 氢气输出。 本公开还涉及包括这种按需氢气生成装置的燃料电池,特别是为小规模应用而设计的燃料电池。
    • 9. 发明授权
    • Current collector assembly
    • 集电器组件
    • US6010802A
    • 2000-01-04
    • US589610
    • 1996-01-22
    • Joseph L. PassanitiGregory J. DavidsonKenneth H. Kenyon
    • Joseph L. PassanitiGregory J. DavidsonKenneth H. Kenyon
    • H01M2/04H01M2/12H01M2/06
    • H01M2/0421H01M2/1241
    • Collector assemblies and methods of making and using them, and electrochemical cells made with such current collector assemblies, are disclosed. The invention provides a current collector assembly which permits safe, effective venting of pressure in the cell; reduces early activation of venting structures in the current collector assembly; contains fewer piece parts than known structurally-robust current collectors; is easy to implement; and provides superior tolerance to outside impact forces. Current collectors of the invention provide a stiffer, more rigid washer, repositioned closer to the bottom plate at its central region while the washer maintains the traditional function of controlling positioning of the seal body of the current collector assembly. Increasing stiffness, rigidity, and the repositioning of the washer is accomplished by a combination of structurally sculpturing the cross-section of the washer, hardening the temper of the washer, and providing a plateau adjacent the center of the bottom plate. Washer vent holes are relocated away from the central region, the bottom plate being most vulnerable to attack in the central region. Overall, the improved washer provides both support to the seal body against outwardly-directed internal pressures within the cell and support to the bottom plate against inwardly directed impact forces from outside the cell.
    • 公开了集电器组件及其制造和使用方法,以及由这种集电器组件制成的电化学电池。 本发明提供一种集电器组件,其允许电池中的压力的​​安全,有效的排气; 减少集电器组件中通风结构的早期激活; 包含比已知的结构稳健集电器更少的零件; 易于实施; 并且对外部冲击力提供优异的耐受性。 本发明的电流收集器提供了更硬更坚硬的垫圈,其更靠近底板在其中心区域重新定位,同时垫圈保持控制集电器组件的密封体定位的传统功能。 通过结构地雕刻垫圈的横截面,硬化洗衣机的回火并提供邻近底板的中心的平台来实现垫圈的增加刚度,刚性和重新定位。 洗衣机排气孔远离中心区域,底板最容易受到中部地区的袭击。 总体而言,改进的垫圈提供了对密封体的支撑,以抵抗电池内的向外导向的内部压力,并且支撑底板抵抗来自电池外部的向内指向的冲击力。