BIPOLAR PLATES FOR ELECTROCHEMICAL CELLS

摘要

A bipolar separator plate for two electrochemical cells connected in series, the plate having two layers of a porous electronically conductive material having positioned therebetween a solid layer of a polymeric material having dispersed therein at least 1 percent by weight of a conductive filler, wherein the plate has an area resistivity of less than 1 ohm-cm<2>, and wherein the solid layer has a permeability of less than 50 mu Darcy ( mu D).