18531016. ELECTRODE AND SOLID-STATE BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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ELECTRODE AND SOLID-STATE BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Heidyhodex Visbalmendoza of Nagoya-shi (JP)

Toru Kidosaki of Miyoshi-shi (JP)

ELECTRODE AND SOLID-STATE BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18531016 titled 'ELECTRODE AND SOLID-STATE BATTERY

The abstract describes an electrode for a solid-state battery, which includes an active material and an electrode layer containing a solid electrolyte with specific particle sizes and characteristics.

  • The electrode includes an active material that can be either a positive electrode active material or a negative electrode active material.
  • The electrode layer contains a solid electrolyte with specific particle sizes: SEa with a size between 0.7 μm and 2.0 μm, and SEb with a size between 1/10 and 9/5 of the size of SEa.
  • The solid electrolyte in the electrode has specific characteristics, as indicated by the P-MAS-NMR spectrum, with a certain proportion of peak intensities at specific ppm values.
  • The electrode is designed for use in a solid-state battery, enhancing its performance and efficiency.

Potential Applications: - This technology can be used in the development of high-performance solid-state batteries for various applications, such as electric vehicles, portable electronics, and grid energy storage systems.

Problems Solved: - The electrode design addresses the need for improved performance and stability in solid-state batteries by utilizing specific particle sizes and characteristics in the solid electrolyte.

Benefits: - Enhanced battery performance, increased energy density, improved safety, and longer lifespan compared to traditional lithium-ion batteries.

Commercial Applications: - The technology can be applied in the production of advanced solid-state batteries for the automotive industry, consumer electronics, and renewable energy storage systems, potentially revolutionizing the energy storage market.

Questions about the Technology: 1. How does the specific particle size of the solid electrolyte contribute to the performance of the electrode in a solid-state battery? 2. What are the implications of the characteristics identified in the P-MAS-NMR spectrum for the overall efficiency of the electrode in a solid-state battery?


Original Abstract Submitted

An electrode includes: an active material which is a positive electrode active material or a negative electrode active material; and an electrode layer containing a solid electrolyte that includes a solid electrolyte SEa having a particle size that is greater than or equal to 0.7 μm and less than or equal to 2.0 μm and a solid electrolyte SEb having a particle size that is greater than or equal to 1/10 and less than or equal to ⅕ of the particle size of the solid electrolyte SEa, wherein, in a P-MAS-NMR spectrum of the solid electrolyte, a proportion of a peak intensity of 78 ppm with respect to a sum of the peak intensity of 78 ppm and a peak intensity of 83.7 ppm is greater than or equal to 2.4% and less than or equal to 7%, and a solid-state battery including the electrode.

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