20240055731. NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY simplified abstract (Panasonic Energy Co., Ltd.)

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NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Organization Name

Panasonic Energy Co., Ltd.

Inventor(s)

Hideki Morishima of Tokushima (JP)

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240055731 titled 'NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Simplified Explanation

The patent application describes a non-aqueous electrolyte secondary battery with a wound electrode body containing a positive electrode, a negative electrode, and a separator. The separator is divided into five parts, with regions a and b at the ends, region c in the center, and regions d and e in between. Regions d and e have a greater void ratio than regions a, b, and c.

  • Wound electrode body with positive and negative electrodes
  • Separator divided into five parts with varying void ratios
  • Regions d and e have higher void ratio than regions a, b, and c
      1. Potential Applications
  • Electric vehicles
  • Portable electronic devices
  • Energy storage systems
      1. Problems Solved
  • Improved battery performance
  • Enhanced safety
  • Increased energy density
      1. Benefits
  • Longer battery life
  • Higher energy efficiency
  • Safer operation


Original Abstract Submitted

this non-aqueous electrolyte secondary battery is characterized by comprising: a wound electrode body in which a positive electrode and a negative electrode are wound via a separator. said battery is also characterized in that: when the separator is divided into five parts in the width direction and the five divided regions are defined as a region a positioned on one end of the separator in the width direction, a region b positioned on the other end of the separator in the width direction, a region c positioned in the center of the separator in the width direction, a region d positioned between the region a and the region c, and a region e positioned between the region b and the region c, then the void ratio of the region d and the region e is greater than the void ratio of the region a, the region b, and the region c.

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