Hydro-Quebec has patented a process for safely dissolving alkali metals, alkaline earth metals, and alloys using a reaction inhibitor and water. The method allows for quantitative metal dissolution, residue destruction, and battery recycling. GlobalData’s report on Hydro-Quebec 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 Hydro-Quebec, Hydrogen storage alloys was a key innovation area identified from patents. Hydro-Quebec's grant share as of January 2024 was 51%. Grant share is based on the ratio of number of grants to total number of patents.
Safe dissolution process for alkali and alkaline earth metals
A recently granted patent (Publication Number: US11873430B2) outlines a process for the dissolution of metals, specifically alkali metals, alkaline earth metals, and alloys containing at least 50% by weight of these metals. The method involves immersing the metal in a reaction inhibitor and adding water in a specific sequence. The patent specifies various metals that can be used in the process, including lithium, sodium, potassium, magnesium, calcium, strontium, and barium, along with their respective alloys.
Furthermore, the patent details the use of specific hydroxylated compounds and hydrocarbons as reaction inhibitors in the dissolution process. It also provides guidelines for the concentration and addition rate of water or water emulsions during the dissolution. The patent covers various scenarios, such as the dissolution of metallic residues on equipment surfaces, recycling of batteries, and the specific recycling process for lithium in various chemical forms. The method also includes steps for quantitative analysis of the dissolved metal solution, ensuring efficient and controlled dissolution processes for various metal types and applications.
To know more about GlobalData’s detailed insights on Hydro-Quebec, buy the report here.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
