Green hydrogen is produced by electrolysis of water. Electricity from renewable energy sources is used for this. Production takes place in electrolyzers splitting water into its components hydrogen and oxygen. Metallic bipolar plates are key components of electrolyzers.

The metallic bipolar plate with embossed flow field, designed specifically for electrolyzers, provides a high sealing potential, meets the cost targets, and thus sets the stage for broad commercialization. It is precisely the additional degrees of freedom in design provided by forming technology that enable implementation of specific customer requirements.

Dana Neu-Ulm uses the existing production and product expertise from the world of sealing for a comprehensive and sustainable transformation. The company uses its experience in the areas of stamping, embossing, forming, coating, and elastomer injection molding in the production of metallic bipolar plates.

Features and Benefits of the Metallic Bipolar Plate for Electrolyzers

The newly developed metallic bipolar plate made of titanium and steel is formed in a high-speed process; designs with the most intricate channel geometries can be realized in this production step. The coating ensures high electrical conductivity with maximum durability.

Dana manufactures the titanium or steel plates, about a tenth of a millimeter thick, in dimensions of up to 800 × 800 millimeters. Due to the reduced material thickness, a larger number of plates can be installed in the same space, and thus higher performance can be achieved with the same volume. Already during development, the entire production process was designed for highly automated series production. Overall, this results in an enormous reduction in manufacturing costs for electrolyzers.