GS Yuasa had 170 patents in batteries during Q2 2024. GS Yuasa Corp filed patents related to nonaqueous electrolyte energy storage devices with specific compositions and characteristics, including electrodes containing non-graphitizable carbon and polyanionic positive active materials. The patents also cover estimation devices and methods for estimating internal stress and charge state in energy storage devices based on data and simulation models. Additionally, a positive active material for these devices is described, including lithium transition metal compounds and composite oxides with specific crystal structures and molar ratios. GlobalData’s report on GS Yuasa gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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GS Yuasa had no grants in batteries as a theme in Q2 2024.
Recent Patents
Application: Nonaqueous electrolyte energy storage device (Patent ID: US20240186514A1)
The patent filed by GS Yuasa Corp. pertains to a nonaqueous electrolyte energy storage device comprising a negative electrode with a negative composite layer containing a non-graphitizable carbon active material, a positive electrode, and a nonaqueous electrolyte with diethyl carbonate as a solvent. The amount of charge of the negative electrode in a full charge state is determined by a specific formula based on the true density of the non-graphitizable carbon.
The claims of the patent further specify the requirements for the nonaqueous electrolyte energy storage device, including the content of diethyl carbonate in the solvent, the true density range of the non-graphitizable carbon, and the composition of the positive electrode. Additionally, the patent describes the configuration of the device, which includes a wound electrode assembly with a separator and a prismatic case. Overall, the patent focuses on optimizing the performance and efficiency of the energy storage device through specific electrode compositions and electrolyte characteristics.
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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.
