Honda motor co., ltd. (20240327237). POSITIVE ELECTRODE ACTIVE MATERIAL FOR USE IN SECONDARY BATTERIES AND METHOD FOR PRODUCTION THEREOF simplified abstract

POSITIVE ELECTRODE ACTIVE MATERIAL FOR USE IN SECONDARY BATTERIES AND METHOD FOR PRODUCTION THEREOF

Organization Name

honda motor co., ltd.

Inventor(s)

Kazumasa Sakatsume of Saitama (JP)

Yoshiyuki Morita of Saitama (JP)

Yoshiya Fujiwara of Saitama (JP)

Akihisa Tanaka of Saitama (JP)

Kazuki Chiba of Saitama (JP)

Takashi Hakari of Saitama (JP)

Junji Akimoto of Ibaraki (JP)

Kunimitsu Kataoka of Ibaraki (JP)

POSITIVE ELECTRODE ACTIVE MATERIAL FOR USE IN SECONDARY BATTERIES AND METHOD FOR PRODUCTION THEREOF - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240327237 titled 'POSITIVE ELECTRODE ACTIVE MATERIAL FOR USE IN SECONDARY BATTERIES AND METHOD FOR PRODUCTION THEREOF

The invention provides a secondary battery positive electrode active material consisting of an oxide containing Li, Mn, and Ti, with specific content ranges for each element.

• The oxide has a Li content of 43 to 60 mol %, Mn content of 22 to 35 mol %, and Ti content of 7 to 29 mol %.
• The oxide exhibits a specific x-ray diffraction pattern with a maximum peak intensity at a certain angle.
• The oxide must satisfy a specific formula related to the intensity of x-ray diffraction peaks.
• The oxide has a lattice constant within a defined range.

Potential Applications: - This technology can be used in the development of high-performance secondary batteries. - It may find applications in electric vehicles, portable electronics, and renewable energy storage systems.

Problems Solved: - Provides a more efficient and stable positive electrode active material for secondary batteries. - Offers improved performance and longevity compared to existing materials.

Benefits: - Enhanced battery performance and durability. - Increased energy storage capacity. - Potential for longer battery life cycles.

Commercial Applications: Title: Advanced Secondary Battery Positive Electrode Active Material for High-Performance Energy Storage Solutions This technology can be utilized in the production of advanced batteries for various industries, including automotive, consumer electronics, and renewable energy sectors.

Questions about the technology: 1. How does the specific composition of the oxide in this active material contribute to its performance in secondary batteries? 2. What are the potential challenges in scaling up the production of batteries using this innovative active material?

Original Abstract Submitted

the invention provides a secondary battery positive electrode active material including an oxide containing li, mn, and ti, wherein the oxide has a li content of 43 to 60 mol %, a mn content of 22 to 35 mol %, and a ti content of 7 to 29 mol %, the oxide has an x-ray diffraction pattern that is measured using cuk� as an x-ray source and has a maximum x-ray diffraction peak exhibiting the highest peak intensity and existing at an angle in the range of 43 to 45 degrees, the oxide satisfies the formula 0.70<a/(a+b)<0.90, wherein a is the intensity of the maximum x-ray diffraction peak and b is the intensity of a maximum peak among x-ray diffraction peaks in the 20 range of 15 to 22 degrees, and the oxide has a lattice constant of 4.10 to 4.14 Å.