Fujitsu had 52 patents in batteries during Q2 2024. Fujitsu Ltd filed patents in Q2 2024 for a positive electrode material with specific diffraction peaks and crystal structure, a negative electrode for a zinc battery with a mixture layer containing zinc particles, and a method for estimating the life of a nickel-metal hydride battery based on corrosion of the hydrogen absorbing alloy in the negative electrode plate. GlobalData’s report on Fujitsu gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Fujitsu had no grants in batteries as a theme in Q2 2024.
Recent Patents
Application: Method of manufacturing positive electrode material (Patent ID: US20240213472A1)
The patent filed by Fujitsu Ltd. describes a positive electrode material with specific diffraction peaks and crystal structure for use in batteries. The material, represented by the composition formula Li2-2xCo1+xP2O7 (-0.2=x=0.2), exhibits diffraction peaks at 2?=13.1°±0.2°, 14.0°±0.2°, and 18.4°±0.2° in X-ray diffraction, with a monoclinic crystal structure belonging to space group P21/c.
The method for manufacturing this positive electrode material involves heat-treating a mixture of a lithium source, cobalt source, and phosphoric acid source. The heat treatment is specifically performed in an inert atmosphere to achieve the desired crystal structure and diffraction peaks as outlined in the patent claims.
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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.
