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    Carbon Fiber Fabric Improves Fuel Cell Performance

    2010/10/21 13:20:00 39

    Carbon Fiber Fabric

    The Japanese Toho Tenax company is engaged in the imperial group. carbon fibre The company's main business announced in June 16, 2010 that it will facilitate the commercialization of the gaseous diffusion layer (GDL) made of carbon fiber fabric as an electrode component for fuel cells. GDL It is the main component of the fuel cell electrode. The fuel cell supplies hydrogen and oxygen, and collects the generated electrons, and helps to discharge the water produced by the membrane. GDL must be conductive and permeable. The fabric type GDL (Figure A) has better flexibility and strength compared with the commonly used paper type GDL. The paper type GDL is made of carbon fiber board impregnated with resin or other materials (map B). With the new fabric structure, the winding process can be carried out at high speed, and the use cost can be reduced. Because no resin or other material is needed, the permeability of the water can be further improved, and therefore it can be improved. Fuel Battery output.


    By adopting the technology of Toho Tenax, such as spinning, weaving and carbonization, and establishing a uniform fabric surface, the carbon fiber fabric GDL has a lower contact resistance compared with the conventional fabric GDL. Low contact resistance can further improve fuel cell performance. The new GDL has two applicable thicknesses: 260 and 320 m, and is developing ultra-thin fabrics.

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