18225278. ACTIVE MATERIAL COMPOSITE PARTICLE, SECONDARY BATTERY, AND MANUFACTURING METHOD FOR ACTIVE MATERIAL COMPOSITE PARTICLE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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ACTIVE MATERIAL COMPOSITE PARTICLE, SECONDARY BATTERY, AND MANUFACTURING METHOD FOR ACTIVE MATERIAL COMPOSITE PARTICLE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Takayuki Uchiyama of Susono-shi Shizuoka-ken (JP)

Jun Yoshida of Susono-shi Shizuoka-ken (JP)

ACTIVE MATERIAL COMPOSITE PARTICLE, SECONDARY BATTERY, AND MANUFACTURING METHOD FOR ACTIVE MATERIAL COMPOSITE PARTICLE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18225278 titled 'ACTIVE MATERIAL COMPOSITE PARTICLE, SECONDARY BATTERY, AND MANUFACTURING METHOD FOR ACTIVE MATERIAL COMPOSITE PARTICLE

Simplified Explanation

The abstract of the patent application describes an active material composite particle that contains silicon (Si) and a resin. The composite particle has cycle characteristics under low constraint. The resin is present in a higher area ratio in the surface layer portion of the particle compared to the center portion when observed in cross-section.

  • The active material composite particle comprises silicon (Si) and a resin.
  • The resin is present in a higher area ratio in the surface layer portion of the particle compared to the center portion.
  • The composite particle exhibits cycle characteristics under low constraint.

Potential Applications:

  • Energy storage devices, such as lithium-ion batteries.
  • Electronic devices, such as smartphones, laptops, and electric vehicles.

Problems Solved:

  • Improves the cycle characteristics of the active material composite particle under low constraint.
  • Enhances the performance and durability of energy storage devices.
  • Reduces the degradation of the active material during charge-discharge cycles.

Benefits:

  • Increased energy storage capacity and efficiency.
  • Extended lifespan and improved reliability of energy storage devices.
  • Enhanced performance of electronic devices.
  • Potential for smaller and lighter energy storage systems.


Original Abstract Submitted

Disclosed is an active material composite particle comprising Si and having cycle characteristics under low constraint. The active material composite particle of the present disclosure comprises Si and a resin, wherein an area ratio of the resin in a surface layer portion of the composite particle is higher than an area ratio of the resin in a center portion of the composite particle when a cross-section of the composite particle is observed.

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