Bayerische Motoren Werke had 175 patents in batteries during Q1 2024. BMW AG filed patents for methods and systems related to lithium-ion batteries, energy storage cells, and electrical energy storage systems for motor vehicles. These patents include innovative techniques for producing anodes, cell-contacting systems, and battery devices with improved heat dissipation and gas mixture reactions for enhanced performance and safety. GlobalData’s report on Bayerische Motoren Werke gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Bayerische Motoren Werke grant share with batteries as a theme is 29% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Method for producing an anode for a lithium-ion battery, and lithium-ion battery (Patent ID: US20240105905A1)
The patent filed by Bayerische Motoren Werke AG describes a method for producing an anode for a lithium-ion battery. The method involves providing an anode collector carrier film, applying a coating compound containing a particulate auxiliary material to the film, and compressing the compound to form an anode film while perforating the anode collector carrier film. The particulate auxiliary material can include lithium ion conductors, Al2O3, TiO2, B2O3, boehmite, synthetic diamond dust, and others with a Mohs hardness ranging from 2 to 10.
Furthermore, the method includes the use of adjuvants like synthetic graphite, natural graphite, carbon nanotubes, carbon fibers, soft carbon, hard carbon, and binders such as styrene-butadiene rubber (SBR), polyvinylpyrrolidone (PVP), polyamide (PA), and others. The coating compound can also contain an anode active material, and the method allows for the application of an active-material coating compound to the anode collector carrier foil. The patent also covers the production of a lithium-ion battery comprising at least one anode prepared using the described method, ensuring the efficient and reliable production of anodes for high-performance 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.
