18383961. POSITIVE ELECTRODE MATERIAL, SOLID-STATE BATTERY, METHOD OF MANUFACTURING POSITIVE ELECTRODE MATERIAL, AND METHOD OF MANUFACTURING SOLID-STATE BATTERY simplified abstract (Toyota Jidosha Kabushiki Kaisha)

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POSITIVE ELECTRODE MATERIAL, SOLID-STATE BATTERY, METHOD OF MANUFACTURING POSITIVE ELECTRODE MATERIAL, AND METHOD OF MANUFACTURING SOLID-STATE BATTERY

Organization Name

Toyota Jidosha Kabushiki Kaisha

Inventor(s)

Masahiro Iwasaki of Toyota-shi (JP)

Masaki Hirase of Kobe-shi (JP)

Hiroki Yabe of Hirakata-shi (JP)

Yusuke Ito of Kashihara-shi (JP)

POSITIVE ELECTRODE MATERIAL, SOLID-STATE BATTERY, METHOD OF MANUFACTURING POSITIVE ELECTRODE MATERIAL, AND METHOD OF MANUFACTURING SOLID-STATE BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18383961 titled 'POSITIVE ELECTRODE MATERIAL, SOLID-STATE BATTERY, METHOD OF MANUFACTURING POSITIVE ELECTRODE MATERIAL, AND METHOD OF MANUFACTURING SOLID-STATE BATTERY

Simplified Explanation

The positive electrode material in this patent application contains a positive electrode active material complex and a sulfide solid electrolyte. The positive electrode active material complex includes a positive electrode active material, a conductive additive covering at least a portion of the surface of the positive electrode active material, and a solid electrolyte covering at least a portion of the conductive additive. The solid electrolyte contains Li, Ti, X, and F, with X being at least one element selected from Ca, Mg, Al, Y, and Zr.

  • Positive electrode material for solid-state batteries
  • Contains positive electrode active material complex and sulfide solid electrolyte
  • Complex includes positive electrode active material, conductive additive, and solid electrolyte
  • Solid electrolyte contains Li, Ti, X, and F, with X being Ca, Mg, Al, Y, or Zr

Potential Applications

The technology can be applied in the manufacturing of solid-state batteries for various electronic devices, electric vehicles, and energy storage systems.

Problems Solved

- Low initial resistance in solid-state batteries - Prevention of resistance increase during repeated charging/discharging cycles

Benefits

- Enhanced battery performance - Longer lifespan of solid-state batteries - Improved stability during charging/discharging

Potential Commercial Applications

Optimized positive electrode material for solid-state batteries in electric vehicles

Possible Prior Art

Prior art may include research on positive electrode materials for solid-state batteries and advancements in solid electrolyte technology.

Unanswered Questions

How does the positive electrode material complex contribute to the overall performance of the solid-state battery?

The positive electrode material complex plays a crucial role in maintaining low resistance and stability during charging/discharging cycles. By covering the positive electrode active material with a conductive additive and solid electrolyte, the complex ensures efficient electron transfer and prevents resistance increase.

What specific electronic devices can benefit from the use of this positive electrode material in solid-state batteries?

Various electronic devices such as smartphones, laptops, and wearable technology can benefit from the enhanced performance and longevity provided by solid-state batteries using this positive electrode material.


Original Abstract Submitted

There is provided a positive electrode material that can be used to manufacture a solid-state battery whose initial resistance is kept low and at which it is difficult for resistance to increase even if charging/discharging are repeated. The positive electrode material of the present disclosure contains a positive electrode active material complex and a sulfide solid electrolyte. The positive electrode active material complex contains: a positive electrode active material, a conductive additive covering at least a portion of a surface of the positive electrode active material, and a solid electrolyte covering at least a portion of the conductive additive. The solid electrolyte contains Li, Ti, X and F. The X is at least one selected from the group consisting of Ca, Mg, Al, Y and Zr.