18313466. NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION BATTERY, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION BATTERY, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Shinsuke Matsuhara of Miyoshi-shi (JP)

NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION BATTERY, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL - A simplified explanation of the abstract

This abstract first appeared for US patent application 18313466 titled 'NEGATIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION BATTERY, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL

Simplified Explanation

The patent application describes a negative electrode active material for a lithium ion battery, consisting of a carbon material with a carbon film covering it, where the carbon material contains carbon and boron in specific amounts. The material has a defined R value based on its Raman spectrum.

  • The negative electrode active material contains carbon and boron in specific proportions.
  • The material has an R value between 0.35 and 0.85 based on its Raman spectrum.
    • Potential Applications:**

- Lithium ion batteries - Energy storage systems - Electric vehicles

    • Problems Solved:**

- Enhancing the performance and efficiency of lithium ion batteries - Improving the stability and durability of battery materials

    • Benefits:**

- Higher energy density - Longer battery life - Improved overall battery performance


Original Abstract Submitted

A negative electrode active material for a lithium ion battery, the negative electrode active material comprising a carbon material and a carbon film covering the carbon material, wherein the carbon material comprises carbon and boron, the content of boron in the carbon material is 0.2 atomic % or more and less than 3.5 atomic %, the negative electrode active material has an R value of 0.35 or more and 0.85 or less, and the R value is a ratio of a D band to a G band in a Raman spectrum of the negative electrode active material.

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