Mitsui Mining & Smelting had 16 patents in batteries during Q2 2024. Mitsui Mining & Smelting Co Ltd filed patents related to lithium niobate solutions with specific particle size requirements, solid electrolytes with unique crystal structures and elemental compositions, and separation methods involving solid electrolytes and active materials. The patents focus on optimizing the properties and performance of these materials for various applications. GlobalData’s report on Mitsui Mining & Smelting gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Mitsui Mining & Smelting had no grants in batteries as a theme in Q2 2024.
Recent Patents
Application: Lithium niobate solution and method for producing same (Patent ID: US20240208839A1)
The patent filed by Mitsui Mining & Smelting Co Ltd. pertains to a lithium niobate solution with specific characteristics, including a molar ratio of lithium and niobium Li/Nb between 0.8 and 2.0 and a particle size (D50) of 100 nm or less. The method for producing this solution involves steps such as producing an acidic niobium solution, obtaining a precipitate slurry through inverse neutralization, and creating the lithium niobate solution by maintaining a mixture of the precipitate slurry and lithium hydroxide at a specific temperature range.
Furthermore, the patent includes claims related to the composition and characteristics of the lithium niobate solution, such as the absence of hydrogen peroxide, the concentration of lithium niobate in the solution ranging from 0.1 to 30% by mass, and the particle size of lithium niobate being 30 nm or less. Additionally, the patent outlines a method for producing a cathode active material for a lithium-ion secondary cell coated with lithium niobate, involving the creation of a cathode active material slurry by mixing the lithium niobate solution, a cathode active material, and an aqueous lithium hydroxide solution, followed by a drying step.
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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.
