Bipolar plate is one of the key components for Vanadium redox flow battery, the bipolar plates in the battery stack serve the purpose of anode electrode for one cell and a cathode electrode for the next cell, and isolate the negative and positive electrolyte in the flow battery.

Composite bipolar plates for Vanadium battery are made of plastic conductive composite material which uses polyethylene as adhesive. Comparing to traditional graphite bipolar plates and metal bipolar plates, conductive plastic bipolar plates have many advantages in corrosion resistance, mechanical strength, deformation resistance, cost reduction, etc.