18369626. NON-AQUEOUS RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING NON-AQUEOUS RECHARGEABLE BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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NON-AQUEOUS RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING NON-AQUEOUS RECHARGEABLE BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Naoki Wakamatsu of Toyohashi-shi (JP)

Hiroki Nakafuji of Toyohashi-shi (JP)

Shoki Takada of Toyohashi-shi (JP)

Shunya Maruyama of Toyohashi-shi (JP)

NON-AQUEOUS RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING NON-AQUEOUS RECHARGEABLE BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18369626 titled 'NON-AQUEOUS RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING NON-AQUEOUS RECHARGEABLE BATTERY

Simplified Explanation

The abstract describes a non-aqueous rechargeable battery with a unique electrode structure that includes a positive electrode plate, a negative electrode plate, and a separator. The electrode plates have two layers each, with the inner layer containing an active material with a higher specific surface area than the outer layer.

  • The non-aqueous rechargeable battery includes:
 * Positive electrode plate
 * Negative electrode plate
 * Separator
 * Two layers on each electrode plate
   * Outer layer with a first mixture
   * Inner layer with a second mixture containing active material with higher specific surface area

Potential Applications

The technology could be applied in:

  • Electric vehicles
  • Portable electronic devices
  • Energy storage systems

Problems Solved

This innovation addresses:

  • Improving battery performance
  • Enhancing energy storage capacity
  • Increasing battery lifespan

Benefits

The benefits of this technology include:

  • Higher energy density
  • Longer cycle life
  • Improved overall battery performance

Potential Commercial Applications

The technology could be commercially benefit:

  • Battery manufacturers
  • Electric vehicle companies
  • Consumer electronics companies

Possible Prior Art

One possible prior art could be the use of multi-layer electrode structures in rechargeable batteries to enhance performance and capacity.

Unanswered Questions

How does the specific surface area of the active material impact battery performance?

The specific surface area of the active material can affect the battery's capacity and rate of charge/discharge. A higher specific surface area typically allows for more active material to participate in electrochemical reactions, leading to improved performance.

What are the potential challenges in scaling up production of batteries with this electrode structure?

Scaling up production may face challenges related to cost, material availability, and manufacturing processes. Ensuring consistent quality and performance across large-scale production could be a key challenge to address.


Original Abstract Submitted

A non-aqueous rechargeable battery includes an electrode body formed by rolling a stack of a positive electrode plate and a negative electrode plate with a separator arranged in between. At least one of the positive electrode plate and the negative electrode plate includes a substrate, a first mixture layer located on an outer side of the substrate, and a second mixture layer located on an inner side of the substrate. The second mixture layer includes an active material having a BET specific surface area that is greater than that of an active material included in the first mixture layer.

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