17905205. SOLID-STATE BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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SOLID-STATE BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Kazushige Nomoto of Susono-shi, Shizuoka-ken (JP)

Akinobu Miyazaki of Osaka (JP)

SOLID-STATE BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 17905205 titled 'SOLID-STATE BATTERY

Simplified Explanation

The abstract describes a solid-state battery design that aims to prevent short circuiting when a high voltage is applied to a unit battery. The battery consists of multiple unit batteries arranged in series, with each unit battery containing a cathode current collector, cathode layer, solid electrolyte layer, anode layer, and anode current collector. The total voltage of the battery is at least 30V at a state of charge (SOC) of 100%. The cathode layer of the unit battery includes a first halide solid electrolyte.

  • The solid-state battery is designed to prevent short circuiting even under high voltage conditions.
  • Multiple unit batteries are connected in series to achieve a total voltage of at least 30V at 100% SOC.
  • The cathode layer of the unit battery includes a first halide solid electrolyte.

Potential Applications

  • Electric vehicles: The solid-state battery design could be used in electric vehicles to provide a safer and more efficient energy storage solution.
  • Portable electronics: The technology could be applied to smartphones, laptops, and other portable devices to enhance battery performance and safety.
  • Renewable energy storage: Solid-state batteries could be used to store energy from renewable sources such as solar and wind power, improving grid stability and reducing reliance on fossil fuels.

Problems Solved

  • Short circuit prevention: The design of the solid-state battery aims to suppress short circuiting even under high voltage conditions, improving safety and reliability.
  • Enhanced voltage capacity: By connecting multiple unit batteries in series, the total voltage of the battery is increased, allowing for higher voltage applications.

Benefits

  • Safety: The solid-state battery design reduces the risk of short circuiting, which can lead to overheating and potential fires.
  • Efficiency: The use of solid-state electrolytes can improve the efficiency of the battery, leading to longer runtimes and faster charging.
  • Higher voltage capacity: The ability to achieve a total voltage of at least 30V at 100% SOC opens up possibilities for high voltage applications in various industries.


Original Abstract Submitted

The main objective of the present disclosure is to provide a solid-state battery in which short circuit occurrence is suppressed even when a high voltage is applied to a unit battery. In the disclosure, the problem is solved by providing a solid-state battery in which a plurality of a unit battery is arranged along the thickness direction and connected in series, wherein: the unit battery includes a cathode current collector, cathode layer, a solid electrolyte layer, an anode layer, and an anode current collector in this order; the solid-state battery has a total voltage of at least 30 V at an SOC of 100%; and the cathode layer in the unit battery contains a first halide solid electrolyte.

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