MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202617072013 A) filed by Stiesdal Hydrogen As on June 10, 2026, for Porous Hydrophilic Separator, Its Method Of Production And An Alkaline Electrolyzer With Such Separator.
Inventors include Gellrich, Florian; Kraglund, Mikkel Rykr; Jensen, Jens Oluf; and Stiesdal, Henrik.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: Porous hydrophilic separator, its method of production, and an alkaline electrolyzer with such separator In an alkaline electrolyzer (12), especially for production of hydrogen gas, the separator (11) has larger pores in layers (8, 9) on its outer sides (7A, 7C), facing the electrodes (13, 14), than in the bulk layer (10). In a practical embodiment, the separator (11) is composed of two diaphragms (7, 7'), each with asymmetric pore structure, where the diaphragms (7, 7') are oriented such that largest pores are on the outer sides of the sep- arator (11).
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