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CARBON FIBER NONWOVEN FABRIC, PRODUCTION METHOD FOR CARBON FIBER NONWOVEN FABRIC, AND NONWOVEN FABRIC OF CARBON FIBER PRECURSER FIBERS
CARBON FIBER NONWOVEN FABRIC, PRODUCTION METHOD FOR CARBON FIBER NONWOVEN FABRIC, AND NONWOVEN FABRIC OF CARBON FIBER PRECURSER FIBERS
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机译:碳纤维非织造布,碳纤维非织造布的制造方法以及碳纤维前驱体纤维的非织造布
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摘要
An object of the present invention is to provide a carbon fiber nonwoven fabric which has excellent electrical conductivity and thermal conductivity as an electrode base material for a polymer electrolyte fuel cell and which is useful as a base material excellent in gas diffusibility and drainage performance. The present invention provides a carbon fiber nonwoven fabric on a surface of which a plurality of non-through pores each having an opening area larger than the average pore area of the carbon fiber nonwoven fabric are dispersively formed, the carbon fiber nonwoven fabric having no broken fibers observed on the peripheral edge portions of the non-through pores in plane view.
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