Toyota Motor had 821 patents in batteries during Q1 2024. Toyota Motor Corp’s patents in Q1 2024 focus on advancements in all-solid-state batteries, electrolytes with halogenated boron cluster salts, power storage systems with parallel battery units, and negative electrode active material layers for solid-state batteries. These innovations aim to improve battery performance, efficiency, and charging capabilities in electric vehicles and energy storage systems. GlobalData’s report on Toyota Motor gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Toyota Motor grant share with batteries as a theme is 43% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: All-solid-state battery (Patent ID: US20240105947A1)
The patent filed by Toyota Motor Corp. pertains to an all-solid-state battery design that includes an electrode layer with an active material and a sulfide solid electrolyte. The key aspect of the invention is that the sulfide solid electrolyte must meet specific abundance ratio criteria represented by formulas (1) to (4), ensuring optimal performance and stability of the battery. These criteria involve the abundance ratios of skeleton structure units within the electrolyte, specifically PS43-, P2Sx, and POx units, with the relationship C1/(C1+C2+C3) being greater than 0.5.
Furthermore, the patent includes additional claims specifying the relationships that the sulfide solid electrolyte must satisfy in different configurations of the all-solid-state battery, such as in a positive electrode layer. These relationships, outlined in formulas (1) to (4), ensure that the abundance ratios of skeleton structure units are within defined ranges to enhance the overall efficiency and reliability of the battery. By adhering to these criteria, the all-solid-state battery design proposed by Toyota aims to improve performance and safety in energy storage applications.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
