Toyota Motor has patented a manufacturing method for a particle aggregate with active material and conductive particles evenly dispersed. The method involves mixing conductive particles with a binder dispersion, kneading with active material particles, and forming wet particles. The resulting particle aggregate has low shear pressure. 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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According to GlobalData’s company profile on Toyota Motor, Battery management systems was a key innovation area identified from patents. Toyota Motor's grant share as of May 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Manufacturing method of particle aggregate with wet particles
A recently granted patent (Publication Number: US11998888B2) discloses a particle aggregate designed for use in various applications. The aggregate consists of wet particles containing active material particles, conductive particles, binder, and a dispersion medium, all aggregated in a clay-like mixture. Notably, the particle aggregate exhibits a low shear pressure of 0.3 MPa or less in a ductility test, indicating its ability to withstand pressure while maintaining structural integrity.
Furthermore, the patent specifies additional characteristics of the particle aggregate, such as a bulk density ratio of active material particles to conductive particles of 15 or more, and a maximum bulk density of the conductive particles not exceeding 0.08 g/cm3. The wet particles forming the aggregate are described to have a columnar shape with specific dimensions, ensuring optimal performance in various applications. These unique features outlined in the patent highlight the innovative nature of the particle aggregate and its potential for enhancing efficiency and functionality in relevant industries.
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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.
