SK Innovation had 181 patents in batteries during Q1 2024. SK Innovation Co Ltd filed patents related to lithium secondary batteries, battery modules, anode and cathode active materials, separator coating compositions, and manufacturing methods for battery modules. The inventions focus on improving the performance, structure, and materials used in these components to enhance the efficiency and durability of secondary batteries. GlobalData’s report on SK Innovation gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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SK Innovation grant share with batteries as a theme is 23% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Cathode active material for lithium secondary battery and lithium secondary battery including the same (Patent ID: US20240105938A1)
The patent filed by SK Innovation Co Ltd. describes a cathode active material for a lithium secondary battery that includes first lithium metal phosphate particles with a secondary particle shape, second lithium metal phosphate particles with a single particle shape, and third lithium metal phosphate particles with a single particle shape and very small average particle diameter. The composition and structure of the cathode active material are specifically defined to optimize battery performance.
The patent claims outline the specific composition ratios of the different types of lithium metal phosphate particles, the average particle diameters, and the presence of carbon coatings. The cathode active material is designed to have an olivine structure and includes elements such as Fe, Co, Ni, Mn, Ti, and V. The patent also extends to a lithium secondary battery incorporating this cathode active material, emphasizing the importance of the material in enhancing battery performance. Overall, the patent focuses on the precise formulation and characteristics of the cathode active material to improve the efficiency and longevity of lithium secondary batteries.
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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.
