Bipolar plate structure for PEM water electrolysis hydrogen production

The invention belongs to the technical field of PEM water electrolysis hydrogen production, and relates to a bipolar plate structure for PEM water electrolysis hydrogen production. The bipolar plate body (1) is made of engineering plastics, flow channels (5) are arranged on the front face and the back face of the bipolar plate body (1) respectively, each flow channel (5) comprises a flow channel fluid inlet (51) and a flow channel fluid outlet (52), the conductive column (2) is of an I-shaped structure, the upper end portion and the lower end portion of the conductive column (2) are clamped in a hole channel (11) of the bipolar plate body (1) respectively, the middle portion of the conductive column (2) is sleeved with the sealing piece (3), and the sealing piece (3) comprises a plurality of circles of protruding portions (31). The upper end face and the lower end face of the conductive column (2) are respectively provided with a PVD coating. The bipolar plate structure for PEM water electrolysis hydrogen pro