Toyota jidosha kabushiki kaisha (20240213449). POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION SECONDARY BATTERY, AND METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL simplified abstract

POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION SECONDARY BATTERY, AND METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Takahiko Ninomiya of Miyoshi-shi Aichi-ken (JP)

POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION SECONDARY BATTERY, AND METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240213449 titled 'POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION SECONDARY BATTERY, AND METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL

The abstract of the patent application describes a positive electrode active material with cycle characteristics, featuring a layered rock salt structure containing transition metal elements, magnesium, lithium, and oxygen.

• The positive electrode active material has a magnesium content between 0.1% and 5.0%.
• The layered rock salt structure has a c-axis length ranging from 13.46 Å to 14.20 Å.

Potential Applications: - Energy storage systems - Electric vehicles - Portable electronic devices

Problems Solved: - Enhanced cycle characteristics - Improved energy storage efficiency

Benefits: - Longer battery lifespan - Higher energy density - Increased overall performance

Commercial Applications: Title: Advanced Battery Technology for Energy Storage Solutions This technology can be utilized in the development of high-performance batteries for various industries, including automotive, consumer electronics, and renewable energy storage systems.

Questions about the technology: 1. How does the magnesium content in the positive electrode active material impact the performance of the battery?

  - The magnesium content influences the structural stability and electrochemical properties of the material, contributing to improved cycle characteristics.

2. What are the potential challenges in scaling up the production of batteries using this innovative positive electrode active material?

  - Scaling up production may require optimizing manufacturing processes and ensuring consistent quality control measures to meet market demand.

Original Abstract Submitted

a positive electrode active material having cycle characteristics is disclosed. the positive electrode active material of the present disclosure has a layered rock salt structure, wherein the layered rock salt structure includes as constituting elements: at least one transition metal element of ni, co and mn; mg; li; and o, the mg content in the positive electrode active material is 0.1 mass % or more and 5.0 mass % or less, and the layered rock salt structure has c-axis length of 13.46 Å or more and 14.20 Å or less.