18583949. ALL SOLID STATE BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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ALL SOLID STATE BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Ippei Goto of Okazaki-shi (JP)

ALL SOLID STATE BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18583949 titled 'ALL SOLID STATE BATTERY

Simplified Explanation

The patent application describes an all solid-state battery that maintains good cycle performance even under low confining pressure. The battery includes layers of cathode, anode, and solid electrolyte confined under specific pressure ranges, with the anode layer containing a high volume expansion rate active material.

  • The all solid-state battery has good cycle performance under low confining pressure.
  • The battery includes cathode, anode, and solid electrolyte layers.
  • The anode layer contains a high volume expansion rate active material.
  • The solid electrolyte layer includes a binder within a specific volume ratio.

Key Features and Innovation

  • All solid-state battery design for improved cycle performance.
  • Specific pressure ranges for confining the electrode stacked body.
  • Anode layer with high volume expansion rate active material.
  • Solid electrolyte layer with binder within a specific volume ratio.

Potential Applications

The technology can be applied in various electronic devices requiring high-performance batteries, such as smartphones, laptops, and electric vehicles.

Problems Solved

  • Maintains good cycle performance under low confining pressure.
  • Addresses issues related to volume expansion of active materials.
  • Ensures stable performance of the battery over multiple charge-discharge cycles.

Benefits

  • Enhanced cycle performance in all solid-state batteries.
  • Improved reliability and longevity of electronic devices.
  • Potential for safer and more efficient energy storage solutions.

Commercial Applications

  • "Innovative All Solid-State Battery Technology for High-Performance Electronics"
  • Commercial applications in consumer electronics, electric vehicles, and renewable energy storage systems.
  • Market implications include increased efficiency and reliability of battery-powered devices.

Prior Art

Readers can explore prior research on all solid-state batteries, electrode materials, and binder technologies in the field of energy storage.

Frequently Updated Research

Stay updated on advancements in all solid-state battery technology, materials science, and energy storage innovations.

Questions about All Solid-State Batteries

What are the key advantages of all solid-state batteries compared to traditional lithium-ion batteries?

All solid-state batteries offer higher energy density, improved safety, and longer cycle life compared to traditional lithium-ion batteries due to the absence of liquid electrolytes.

How does the volume expansion rate of the active material impact the performance of the battery?

The volume expansion rate of the active material affects the stability and integrity of the battery structure, influencing its cycle performance and overall efficiency.


Original Abstract Submitted

A main object of the present disclosure is to provide an all solid state battery with good cycle property even when the confining pressure applied to an electrode stacked body is low. The present disclosure achieves the object by providing an all solid state battery comprising an electrode stacked body including a cathode layer, an anode layer, and a solid electrolyte layer placed between the cathode layer and the anode layer; and the electrode stacked body is confined under confining pressure of 0 MPa or more and 2 MPa or less in a thickness direction; the anode layer includes an anode active material with a volume expansion rate due to charge of 105% or more; the solid electrolyte layer includes a solid electrolyte and a binder; and a ratio of the binder in the solid electrolyte layer is 20 volume % or more and 30 volume % or less.

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