Italian energy infrastructure company Snam has filed a patent for an electrode that can be used as a cathode in industrial electrolytic processes to produce hydrogen. The electrode is equipped with a catalytic coating containing ruthenium and selenium. The patent also includes a method for producing the electrode. GlobalData’s report on Snam gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Snam, power-to-gas system was a key innovation area identified from patents. Snam's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.
A recently filed patent (Publication Number: US20230203683A1) describes an electrode for gas evolution in electrolytic processes. The electrode consists of a metal substrate with a catalytic coating. The catalytic coating includes an internal layer containing noble metals, such as platinum and/or ruthenium, along with rare earth elements and/or alkaline earth metals. The external layer of the coating is primarily composed of ruthenium and selenium. The external layer contains 80-99.5% by weight of ruthenium and 0.5-20% by weight of selenium.
The patent also describes a method for preparing the electrode. The method involves applying a solution containing the precursors of the internal layer components to the metal substrate. The solution is then decomposed through thermal treatment. This process can be repeated multiple times until the desired load is achieved. A solution containing the precursors of the external layer components is then applied and decomposed through thermal treatment.
The patent further discusses the use of the electrode in various electrolytic processes. It mentions the electrode's application in a cell for the electrolysis of alkaline chloride solutions. The cell consists of an anodic compartment and a cathodic compartment separated by an ion exchange membrane or a diaphragm. The cathodic compartment is equipped with the electrode described in the patent.
Additionally, the patent describes an electrolyzer for the production of chlorine and alkali from alkaline brine. The electrolyzer consists of a modular arrangement of cells, with each cell being the same as the one described earlier.
Lastly, the patent mentions an electrolyzer for the production of hydrogen through the electrolysis of water. This electrolyzer also includes an anodic compartment and a cathodic compartment separated by a diaphragm. The cathodic compartment is equipped with the electrode described in the patent.
Overall, this patent introduces an electrode with a specific catalytic coating for gas evolution in electrolytic processes. The patent also provides a method for preparing the electrode and discusses its application in various electrolytic systems, including the production of chlorine, alkali, and hydrogen.
To know more about GlobalData’s detailed insights on Snam, buy the report here.
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