A fuel cell bipolar separator plate of variable length is formed from a sheet having a fixed width. The sheet is passed through a tool a predetermined distance and a pattern of ribs is formed on a central portion of the sheet with the tool to define a segment along the length of the sheet. The ribs define...http://www.google.fr/patents/US7279016?utm_source=gb-gplus-shareBrevet US7279016 - Fuel cell bipolar separator plate and current collector assembly and method of manufacture
Fuel cell bipolar separator plate and current collector assembly and method ...