18609225. ALL-SOLID-STATE SECONDARY BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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ALL-SOLID-STATE SECONDARY BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Ryuto Sakamoto of Okazaki-shi Aichi-ken (JP)

ALL-SOLID-STATE SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18609225 titled 'ALL-SOLID-STATE SECONDARY BATTERY

The all-solid-state secondary battery described in the patent application consists of several layers stacked in a specific order, including a positive electrode collector layer, a positive electrode layer, a solid electrolyte layer, a negative electrode layer, and a negative electrode collector layer.

  • The positive electrode layer contains a positive electrode active material layer and an insulating layer surrounding the edges of the positive electrode active material layer.
  • When viewed from the stacking direction, the outer edges of the positive electrode active material layer on the solid electrolyte layer side are positioned further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side.
  • The outer edges of the positive electrode collector layer are also positioned further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side.

Potential Applications: - Energy storage systems - Electric vehicles - Portable electronic devices

Problems Solved: - Enhanced battery performance - Improved safety due to solid-state design

Benefits: - Higher energy density - Longer cycle life - Safer operation

Commercial Applications: Title: Advanced Solid-State Battery Technology for Energy Storage Solutions This technology could revolutionize the energy storage industry by providing safer and more efficient battery solutions for various applications, including electric vehicles and consumer electronics.

Prior Art: Readers interested in exploring prior art related to solid-state battery technology can start by researching patents and academic papers in the field of energy storage and electrochemistry.

Frequently Updated Research: Researchers are continually working on improving the performance and scalability of solid-state batteries, with a focus on increasing energy density and cycle life while reducing costs.

Questions about Solid-State Battery Technology: 1. How does the design of the positive electrode layer contribute to the overall performance of the battery? 2. What are the key challenges in scaling up the production of solid-state batteries for commercial applications?


Original Abstract Submitted

The all-solid-state secondary battery of the disclosure comprises a positive electrode collector layer, a positive electrode layer, a solid electrolyte layer, a negative electrode layer and a negative electrode collector layer stacked in that order, wherein the positive electrode layer has a positive electrode active material layer and an insulating layer disposed around the perimeter edges of the positive electrode active material layer, and when the all-solid-state secondary battery is viewed from the stacking direction, the outer edges of the positive electrode active material layer on the solid electrolyte layer side are further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side, and the outer edges of the positive electrode collector layer are further inward than the outer edges of the positive electrode active material layer on the positive electrode collector layer side.

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