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    • 13. 发明授权
    • Fuel cell cathode testing device and method for using the same
    • 燃料电池阴极检测装置及其使用方法
    • US5916705A
    • 1999-06-29
    • US905697
    • 1997-08-04
    • Dennis L. CarterDane W. GreggJames T. Frater
    • Dennis L. CarterDane W. GreggJames T. Frater
    • H01M4/86H01M8/04H01M8/02
    • H01M8/04H01M4/8605Y02P70/56
    • An apparatus for testing the electrochemical performance of discrete areas of a cathode that is to be used in a fuel cell is presented. The apparatus tests a cathode which is retained and carried by a holding fixture wherein a chamber is formed between an underside of the cathode and the holding fixture to allow for passage of an oxidizing agent therethrough and wherein the holding fixture also provides for retention of electrolyte on the top side of the cathode. A probe, which is connected to the cathode, has an anode material that contacts the electrolyte but is spaced apart from the cathode. Placement of the anode in the electrolyte generates electrical power detected by a measuring device connected between the probe and the cathode. The probe provides a sealing surface to allow for testing of just discrete areas of the cathode to determine if there are any flaws in the manufacture of the cathode.
    • 提出了一种用于测试在燃料电池中使用的阴极离散区域的电化学性能的装置。 该装置测试由保持夹具保持和承载的阴极,其中在阴极的下侧和保持固定件之间形成腔室以允许氧化剂通过其中,并且其中保持夹具还提供电解质保留 阴极的顶端。 连接到阴极的探针具有接触电解质但与阴极隔开的阳极材料。 阳极在电解质中的放置产生由连接在探针和阴极之间的测量装置检测到的电力。 探针提供密封表面,以允许仅测试阴极的离散区域,以确定阴极制造中是否存在任何缺陷。
    • 14. 发明授权
    • Pressure equalized fuel cell stack
    • 压力均衡燃料电池堆
    • US5914199A
    • 1999-06-22
    • US905763
    • 1997-08-04
    • Dennis L. CarterDane W. Gregg
    • Dennis L. CarterDane W. Gregg
    • H01M8/04H01M8/18
    • H01M8/04H01M2250/20H01M8/04029H01M8/04104H01M8/04276Y02T90/32
    • A pressure equalized fuel cell stack includes a fuel cell stack for receiving an oxidizing agent, a coolant accumulator coupled to the fuel cell stack, an electrolyte accumulator coupled to the fuel cell stack and a device for equalizing the pressurized flow of coolant and electrolyte from the respective accumulators into the fuel cell stack depending upon the pressure exhibited by the oxidizing agent. The equalized pressure flow is obtained by an accumulator having a rigid housing for receiving an oxidizing agent and a flexible housing received within the rigid housing for receiving respective amounts of coolant and electrolyte wherein the flexible housing is coupled to the fuel cell such that any change in pressure within the rigid housing causes a corresponding change in pressure in the flexible housing. This construction allows for equalized amounts of oxidizing agent, coolant and electrolyte to be received by the fuel cell stack, thus maximizing the chemical reaction within the fuel cell to generate electricity and maintain long-life of the fuel cell.
    • 压力均衡的燃料电池堆包括用于接收氧化剂的燃料电池堆,耦合到燃料电池堆的冷却剂储存器,耦合到燃料电池堆的电解液蓄电池和用于均衡来自所述燃料电池堆的加压流动的冷却剂和电解质的装置 根据氧化剂所显示的压力,各个蓄电池进入燃料电池堆。 均衡的压力流是通过具有用于容纳氧化剂的刚性壳体和容纳在刚性壳体内的柔性壳体的蓄能器获得的,用于接收相应量的冷却剂和电解质,其中柔性壳体联接到燃料电池,使得任何改变 刚性壳体内的压力导致柔性壳体中相应的压力变化。 这种结构允许燃料电池堆接收的氧化剂,冷却剂和电解质的量相等,从而使燃料电池内的化学反应最大化以发电并保持燃料电池的长寿命。