US Patent 9187833 Internally-reinforced water electrolyser module

A structural plate is provided for an electrolyzer module. The structural plate defines at least one degassing chamber and a half cell chamber opening. The structural plate is reinforced with at least one internal reinforcing means mounted to the structural plate for mitigating outward displacement of the structural plate in response to fluid pressure within the structural plate. The structural plate defines holding features for locating and holding the internal reinforcing means.