DIFFUSION LAYER FOR AN ELECTROCHEMICAL DEVICE AND METHOD FOR PRODUCING SUCH A DIFFUSION LAYER
    4.
    发明申请
    DIFFUSION LAYER FOR AN ELECTROCHEMICAL DEVICE AND METHOD FOR PRODUCING SUCH A DIFFUSION LAYER 有权
    用于电化学装置的扩散层和用于生产这种扩散层的方法

    公开(公告)号:US20130061459A1

    公开(公告)日:2013-03-14

    申请号:US13641956

    申请日:2011-04-20

    IPC分类号: H01M2/00

    摘要: A method for producing a diffusion layer of an electrochemical device, including: superimposition of multiple unidirectional webs of carbon filaments, filaments of each web positioned parallel with, and next to, one another; needle punching of the webs, breaking a proportion of the filaments such that broken portions of the filaments are tangled with other filaments of the webs; and cutting a proportion of the multiple unidirectional webs, the carbon filaments forming one electrically conducting outer surface of the diffusion layer. The needle punching is accomplished all the way through the multiple unidirectional webs, and/or through two principal opposite faces of the multiple unidirectional webs, and/or with an impact density against the multiple unidirectional webs of between approximately 100 and 300 impacts/cm2.

    摘要翻译: 一种用于制造电化学装置的扩散层的方法,包括:多个单向的碳纤维网的叠加,每个网的长丝彼此平行并相邻放置; 对织物进行针刺,打破长丝的一部分,使得细丝的断裂部分与织物的其它长丝缠结; 并切割多个单向网的一部分,碳丝形成扩散层的一个导电外表面。 针刺一直通过多个单向腹板,和/或通过多个单向腹板的两个主要相对面,和/或具有大约100和300冲击/ cm2之间的多个单向腹板的冲击密度。

    Process for forming fiber-containing articles such as annular or ellipsoidal preforms
    7.
    发明申请
    Process for forming fiber-containing articles such as annular or ellipsoidal preforms 审中-公开
    用于形成诸如环形或椭圆形预制件的含纤维制品的方法

    公开(公告)号:US20070026215A1

    公开(公告)日:2007-02-01

    申请号:US11495224

    申请日:2006-07-28

    IPC分类号: D04H3/04 B32B27/12 B32B27/04

    摘要: A process for placing at least one fiber element (111) on a surface (S) is disclosed, wherein the fiber element (111) is deposited on the surface (S) and is bound to at least one part of the surface and a width (l) of the deposited fiber element (111) varies longitudinally. Preforms containing one superimposition of several fibrous sheets extending in different directions and bound with each other are disclosed, wherein at least one of the fibrous sheets contains at least one fiber element whose width varies longitudinally.

    摘要翻译: 公开了一种在表面(S)上放置至少一个纤维元件(11L)的方法,其中将纤维元件(11L 1)沉积在表面上 S)并且结合到表面的至少一部分,并且沉积的纤维元件(11L 1)的宽度(l)纵向变化。 公开了包含在不同方向上延伸并彼此结合的几个纤维片的一次叠加的预制件,其中至少一个纤维片含有至少一个宽度纵向变化的纤维元件。