18601508. METHOD OF PRODUCING NEGATIVE ELECTRODE, NEGATIVE ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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METHOD OF PRODUCING NEGATIVE ELECTRODE, NEGATIVE ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Atsushi Sugihara of Toyota-shi Aichi-ken (JP)

METHOD OF PRODUCING NEGATIVE ELECTRODE, NEGATIVE ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18601508 titled 'METHOD OF PRODUCING NEGATIVE ELECTRODE, NEGATIVE ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY

The method described in the patent application involves producing a negative electrode by mixing lithium titanate oxide particles, a binder, and a solvent to create a particle-dispersed liquid, granulating graphite-based particles using the liquid to form wet granules, and then forming the wet granules into a negative electrode composite material layer.

Key Features and Innovation:

  • Mixing lithium titanate oxide particles with graphite-based particles to create a unique negative electrode composite material layer.
  • Ensuring the lithium titanate oxide particles make up 2-15% of the total amount of particles in the composite material layer.

Potential Applications: This technology could be used in the production of lithium-ion batteries for various applications such as electric vehicles, portable electronics, and energy storage systems.

Problems Solved: This method addresses the need for improved performance and stability in lithium-ion batteries by optimizing the composition of the negative electrode.

Benefits:

  • Enhanced battery performance and stability.
  • Increased energy storage capacity.
  • Potential for longer battery lifespan.

Commercial Applications: This technology could have significant implications in the electric vehicle industry, consumer electronics market, and renewable energy sector.

Prior Art: Readers interested in prior art related to this technology could explore research on lithium-ion battery electrode materials and manufacturing processes.

Frequently Updated Research: Stay updated on advancements in lithium-ion battery technology, electrode materials, and battery manufacturing techniques to further enhance the performance of this innovation.

Questions about Lithium Titanate Oxide Particles: 1. How do lithium titanate oxide particles contribute to the performance of lithium-ion batteries?

  - Lithium titanate oxide particles are known for their high rate capability, long cycle life, and improved safety features compared to traditional graphite-based electrodes.

2. What are the potential challenges in integrating lithium titanate oxide particles into battery electrode materials?

  - Challenges may include cost considerations, compatibility with other battery components, and optimizing the manufacturing process for mass production.


Original Abstract Submitted

A method of producing a negative electrode includes at least the following (A) to (C): (A) mixing powder consisting of lithium titanate oxide particles, a binder, and a solvent to prepare a particle-dispersed liquid; (B) granulating powder consisting of graphite-based particles by using the particle-dispersed liquid to prepare wet granules; and (C) forming the wet granules into a negative electrode composite material layer to produce a negative electrode. The negative electrode composite material layer is formed so as to include the lithium titanate oxide particles in an amount not lower than 2 mass % and not higher than 15 mass % of the total amount of the graphite-based particles and the lithium titanate oxide particles.