Preparation method of high-adhesion carbon paper for fuel cell and application thereof

Abstract

The application discloses a preparation method of high-adhesion carbon paper for fuel cells and relates to the technical field of fuel cells.The method comprises the following steps: performing cleaning treatment on carbon fibers to obtain carbon fiber precursors; performing modification treatment on the carbon fiber precursors to obtain modified carbon fibers; performing wet forming treatment on the modified carbon fibers to obtain carbon fiber base paper; placing the carbon fiber base paper in phenylacetylene to obtain carbon fiber paper precursors; performing heat preservation on the carbon fiber paper precursors to obtain carbon fiber paper; performing impregnation on the carbon fiber paper, and then performing solidification treatment and carbonization treatment to obtain the high-adhesion carbon paper for fuel cells.The preparation method simultaneously adopts polyurethane and carbon nanotubes to modify the carbon fibers, polyacetylene to modify the carbon fiber base paper and vinyltrichlorosilane to modify phenolic resin, and the high-adhesion carbon paper for fuel cells prepared by the method has high density and excellent heat conduction performance and electric conduction performance.

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