Idemitsu Kosan had 40 patents in batteries during Q1 2024. The Idemitsu Kosan Co Ltd filed patents related to methods for producing modified sulfide solid electrolytes with improved battery performance, reduced hydrogen sulfide gas generation, and enhanced coating suitability. These methods involve mixing specific compounds and solvents, as well as controlling the ratio of sulfide solid electrolyte to Li2S. The goal is to create sulfide solid electrolytes with small particle diameters, high productivity, and efficient battery performance in lithium ion batteries. GlobalData’s report on Idemitsu Kosan gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Idemitsu Kosan grant share with batteries as a theme is 12% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Modified sulfide solid electrolyte and method for producing same (Patent ID: US20240105985A1)
The patent filed by Idemitsu Kosan Co Ltd. describes a modified sulfide solid electrolyte containing a sulfide solid electrolyte with specific characteristics and an epoxy compound. The modified electrolyte exhibits a peak in the infrared absorption spectrum, indicating its suitability for battery applications. The method for producing this modified electrolyte involves mixing the components and removing the organic solvent, ensuring efficient battery performance even with a sulfide solid electrolyte of large specific surface area.
The modified sulfide solid electrolyte consists of a sulfide solid electrolyte with specific surface area characteristics and an epoxy compound, with the presence of a peak in the infrared absorption spectrum indicating its suitability for battery applications. The method for producing this electrolyte involves specific steps like mixing the components and removing the organic solvent. The patent also covers the use of this modified electrolyte in electrode mixtures and lithium-ion batteries, highlighting its potential applications in the field of energy storage technology.
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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.
