Fujifilm had 33 patents in batteries during Q2 2024. Fujifilm Holdings Corp filed patents related to electrode compositions for solid-state batteries, including methods for manufacturing electrode sheets and batteries with improved dispersion characteristics and reduced polymer binder content. Another patent involves an ultrasound probe with a waterproof packing to prevent water from entering the battery compartment. Additionally, there is a patent for an electrode sheet with a low polymer binder content and high filling rate, as well as an electrode composition with specific conditions for inorganic solid electrolyte batteries. GlobalData’s report on Fujifilm gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Fujifilm had no grants in batteries as a theme in Q2 2024.
Recent Patents
Application: Electrode composition, electrode sheet for all-solid state secondary battery, all-solid state secondary battery, and manufacturing methods for electrode composition, electrode sheet for all-solid state secondary battery, and all-solid state secondary battery (Patent ID: US20240213479A1)
The patent filed by Fujifilm Holdings Corp. describes an electrode composition for all-solid state secondary batteries that includes an inorganic solid electrolyte, an active material, a polymer binder, and a dispersion medium. The composition includes two types of polymer binders, A and B, with specific adsorption rates to the active material and solid electrolyte. The polymer binder A has a higher adsorption rate to the active material, while the polymer binder B has a higher adsorption rate to the solid electrolyte. This unique composition allows for excellent dispersion characteristics and strong bonding of solid particles, reducing the need for a high content of polymer binder.
Furthermore, the patent includes claims related to the specific components and ratios of the electrode composition, the inclusion of a conductive auxiliary agent, and the manufacturing methods for the electrode composition, electrode sheet, and the all-solid state secondary battery. The polymer binders used in the composition contain specific functional groups and bonds to enhance their performance in the electrode. The content of each polymer binder is limited to 1.5% by mass in the solid content of the electrode composition. The electrode sheet and the battery produced using this composition exhibit improved properties and performance due to the unique characteristics of the polymer binders and their interaction with the active material and solid electrolyte. Overall, the patent presents a novel electrode composition and manufacturing methods that can contribute to the advancement of solid-state battery 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.
