Casing Structure Design for Electrolytic Cells

A casing structure (100) for a water electrolysis cell having a major surface provided with one or more void areas (201, 202, 203, 204, 205), a total void area Av being the total surface of the one or more void areas projected on said major surface, wherein:

• the casing structure (100) is composed of at least two casing components (111, 112, 113, 114, 115, 116, 151, 152, 153, 154, 155, 156, 171,172, 173, 174) which are joined together to form said major surface, with at least one casing component being made of a plastic material, wherein the casing structure (100) maintains the overall shape, geometry, and functionalities of a single component casing structure, despite being divided into a plurality of originally separate components (111, 112, 113, 114, 115, 116, 151, 152, 153, 154, 155, 156, 171,172, 173, 174), wherein, once joined together, the plurality of components (111, 112, 113, 114, 115, 116, 151, 152, 153, 154, 155, 156, 171,172, 173, 174) forms a substantially coplanar continuum, save for any voids or channels within/across the casing structure (100);
• the outer perimeter of said major surface defines a total area At of 2-8 m2, and the ratio R of Av with respect to At is between 0.25-0.95;
• the one or more void areas (201, 202, 203, 204, 205) include a housing cavity (201) situated within the major surface of the casing structure (100) and completely enclosed within a perimeter of the major surface, said housing cavity (201) being suitable to host at least one of the following elements:
• an anode, a cathode, a separator, an elastic element, a bipolar element or a current collector;
• and
• the one or more void areas (201, 202, 203, 204, 205) is not fully contained within just one of the at least two casing components (111, 112, 113, 114, 115, 116, 151, 152, 153, 154, 155, 156, 171,172, 173, 174), but its perimetral border belongs to the at least two casing components (111, 112, 113, 114, 115, 116, 151, 152, 153, 154, 155, 156, 171,172, 173, 174).