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    • 13. 发明授权
    • Apparatus and method for compressing a stack of electrochemical cells
    • 用于压缩电化学电池堆的装置和方法
    • US6040072A
    • 2000-03-21
    • US974384
    • 1997-11-19
    • Oliver J. MurphyCarlos SalinasAlan J. Cisar
    • Oliver J. MurphyCarlos SalinasAlan J. Cisar
    • C25B9/18H01M8/24
    • C25B9/18H01M8/247
    • The present invention provides an apparatus and method for assembling an electrochemical cell stack, or an assemblage of components which need to be clamped together, especially where minimizing the size and weight of the clamping mechanism is advantageous. The invention encompasses combining a band or strap to transmit load to a plurality of components. A metal link is provided to apply greater tension to the band than could normally be achieved with the band alone. The invention may provide a band having a spiral screw clamp wherein the screw portion is used to apply and control tension in the band and the band is used to transmit the tension to a plurality of components. The invention also provides systems that improve the distribution of the force over a portion of the assembly, preferably the entire area of at least one face of the assembly. The invention encompasses a system with straps surrounding a fuel cell stack placed between two end plates, with raised ridges placed under the strapping system to concentrate the compressive force at selected points on the endplates. The invention also encompasses a device comprising an array of adjustable elements that control the distribution of the compressive load.
    • 本发明提供一种用于组装电化学电池堆的装置和方法,或需要夹紧在一起的组件的组合,特别是在最小化夹紧机构的尺寸和重量的情况下是有利的。 本发明包括组合带或带以将负载传输到多个组件。 提供金属连接件以对带宽施加比通常可以单独实现的带宽更大的张力。 本发明可以提供具有螺旋螺旋夹具的带,其中螺钉部分用于施加和控制带中的张力,并且带用于将张力传递到多个部件。 本发明还提供了改善组件部分上的力的分布的系统,优选组件的至少一个面的整个区域。 本发明包括具有围绕放置在两个端板之间的燃料电池堆的带的系统,其具有放置在捆扎系统下方的凸脊,以将压缩力集中在端板上的选定点处。 本发明还包括一种包括控制压缩载荷分布的可调元件阵列的装置。
    • 18. 发明授权
    • Preparation and storage of membrane and electrode assemblies
    • 膜和电极组件的制备和储存
    • US07608350B2
    • 2009-10-27
    • US10828507
    • 2004-04-19
    • Oliver J. MurphyCarlos Salinas
    • Oliver J. MurphyCarlos Salinas
    • H01M8/00H01M8/10H01M4/82H01M6/00
    • H01M8/1004C25B9/10H01M4/881H01M4/90H01M8/0271H01M8/0289H01M8/04067Y10T29/49108
    • Protecting a membrane and electrode assembly in an electrochemical cell having one or more electrocatalysts in intimate contact with the membrane during storage or shipment of the cell. The membrane may be provided in either the non-proton form of a dry or hydrated cation exchange membrane, such as an alkali metal cation form or an ammonium cation form; the wet or dry precursor form of a cation exchange membrane, such as the non-ionically conducting sulfonyl-fluoride polymer membrane; or the dry proton form of a cation exchange membrane. These membrane surfaces are not acidic under open circuit conditions experienced during storage or shipment of the cell. Since some electrocatalysts are degraded during contact with the acidic surface of a hydrated membrane, the non-acidic surface of the membrane protects these electrocatalysts. The method may be used on newly assembled electrochemical cells, on cells being taken out of service, and on membrane and electrode assemblies.
    • 在具有一个或多个电催化剂的电化学电池中保护膜和电极组件,在电池的存储或运输期间与膜紧密接触。 膜可以以非质子形式的干或水合阳离子交换膜提供,例如碱金属阳离子形式或铵阳离子形式; 阳离子交换膜的湿或干前体形式,例如非离子导电的磺酰氟聚合物膜; 或阳离子交换膜的干质子形式。 这些膜表面在储存或运输电池过程中经历的开路条件下不是酸性的。 由于一些电催化剂在与水合膜的酸性表面接触期间降解,膜的非酸性表面保护这些电催化剂。 该方法可用于新组装的电化学电池,电池被取出使用,以及膜和电极组件上。