Toyota jidosha kabushiki kaisha (20240105910). NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND SOLID-STATE BATTERY simplified abstract

NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND SOLID-STATE BATTERY

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Azusa Nakanishi of Susono-shi Shizuoka-ken (JP)

Shinji Nakanishi of Mishima-shi Shizuoka-ken (JP)

NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND SOLID-STATE BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240105910 titled 'NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND SOLID-STATE BATTERY

Simplified Explanation

The abstract describes a negative electrode active material layer and a solid-state battery containing porous silicon particles, graphite particles, and inorganic solid electrolyte particles.

• Porous silicon particles, graphite particles, and inorganic solid electrolyte particles are included in the negative electrode active material layer.
• The ratio of graphite particles to the total mass of porous silicon and graphite particles is 10% to 25%.
• The solid-state battery consists of the negative electrode active material layer, solid electrolyte layers, and positive electrode active material layer.

Potential Applications

The technology described in this patent application could be applied in the development of high-performance solid-state batteries for various electronic devices, electric vehicles, and energy storage systems.

Problems Solved

This technology addresses the challenges of improving the performance and efficiency of solid-state batteries by utilizing porous silicon particles and optimizing the composition of the negative electrode active material layer.

Benefits

The use of porous silicon particles in the negative electrode active material layer can enhance the energy density, cycling stability, and overall performance of solid-state batteries. Additionally, the optimized composition of the active material layer can improve the battery's efficiency and longevity.

Potential Commercial Applications

The technology has potential commercial applications in the electric vehicle industry, consumer electronics market, and renewable energy sector. Solid-state batteries with improved performance characteristics could attract interest from manufacturers and consumers looking for more reliable and efficient energy storage solutions.

Possible Prior Art

One possible prior art could be the use of porous silicon particles in battery technology to enhance performance and stability. Research on composite electrode materials containing silicon and graphite for lithium-ion batteries may also be relevant in this context.

How does the ratio of graphite particles to porous silicon particles affect the performance of the battery?

The abstract mentions a specific ratio range of graphite particles to the total mass of porous silicon and graphite particles. It would be interesting to know how variations in this ratio impact the battery's efficiency, energy density, and cycling stability.

What specific applications or industries could benefit the most from this technology?

While the abstract mentions potential applications in electronic devices, electric vehicles, and energy storage systems, it would be helpful to understand which specific industries or sectors could see the greatest advantages from the implementation of this technology.

Original Abstract Submitted

a negative electrode active material layer and a solid-state battery, which can exhibit the inherent performance of porous silicon particles, are provided. the negative electrode active material layer of the present disclosure contains porous silicon particles, graphite particles, and inorganic solid electrolyte particles, and the ratio of the mass of the graphite particles to the total mass of the porous silicon particles and the graphite particles is 10 mass % to 25 mass %. in addition, the solid-state battery of the present disclosure comprises the negative electrode active material layer of the present disclosure, the solid electrolyte layers, and the positive electrode active material layer in this order.