18404465. Method of Producing Positive Electrode Active Material, Positive Electrode Active Material, and All-Solid-State Battery simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)
Method of Producing Positive Electrode Active Material, Positive Electrode Active Material, and All-Solid-State Battery
Organization Name
TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor(s)
Masaru Kubota of Okazaki-shi (JP)
Method of Producing Positive Electrode Active Material, Positive Electrode Active Material, and All-Solid-State Battery - A simplified explanation of the abstract
This abstract first appeared for US patent application 18404465 titled 'Method of Producing Positive Electrode Active Material, Positive Electrode Active Material, and All-Solid-State Battery
The method described in the patent application involves producing a positive electrode active material using an O2-type layered oxide as the active material particle.
- The process includes preparing a slurry by dispersing the active material particle in a coating liquid.
- Spray drying is then performed to dry the slurry and produce the positive electrode active material.
- The coating liquid contains a solute and a solvent, with the solute including elements like Nb, P, and B.
- The slurry has a solid concentration of more than 42% and not more than 51%.
Potential Applications: - This method can be used in the production of positive electrode active materials for lithium-ion batteries. - It may also find applications in other energy storage systems requiring high-performance electrode materials.
Problems Solved: - Provides a method for efficiently producing positive electrode active materials with improved performance characteristics. - Offers a way to incorporate specific elements into the coating liquid to enhance the properties of the active material.
Benefits: - Enhanced performance of positive electrode active materials. - Improved efficiency in the production process. - Potential for increased energy storage capacity in batteries.
Commercial Applications: Title: Advanced Method for Producing Positive Electrode Active Materials This technology could be utilized in the battery manufacturing industry to enhance the performance and efficiency of lithium-ion batteries. It may also have implications for the development of next-generation energy storage systems.
Questions about the technology: 1. How does the use of specific elements like Nb, P, and B in the coating liquid impact the performance of the positive electrode active material? 2. What are the potential cost implications of implementing this method in large-scale battery production processes?
Original Abstract Submitted
A method of producing a positive electrode active material comprises the following (a) and (b): (a) preparing a slurry by dispersing an active material particle in a coating liquid; and (b) performing spray drying to dry the slurry to produce a positive electrode active material. The active material particle includes an O2-type layered oxide. The coating liquid includes a solute and a solvent. The solute includes at least one selected from the group consisting of Nb, P, and B. The slurry has a solid concentration of more than 42% and not more than 51%.
