18032265. METHOD FOR MANUFACTURING ALKALINE DRY BATTERY, AND ALKALINE DRY BATTERY simplified abstract (Panasonic Intellectual Property Management Co., Ltd.)

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METHOD FOR MANUFACTURING ALKALINE DRY BATTERY, AND ALKALINE DRY BATTERY

Organization Name

Panasonic Intellectual Property Management Co., Ltd.

Inventor(s)

SATOSHI Fujiyoshi of Osaka (JP)

METHOD FOR MANUFACTURING ALKALINE DRY BATTERY, AND ALKALINE DRY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18032265 titled 'METHOD FOR MANUFACTURING ALKALINE DRY BATTERY, AND ALKALINE DRY BATTERY

Simplified Explanation

The abstract describes a method for manufacturing an alkaline dry battery. Here are the key points:

  • The method involves three steps: preparing a first positive electrode pellet, inserting a positive electrode pellet group into a case, and providing an annular groove in the case.
  • In the first step, a hollow cylindrical first positive electrode pellet is prepared with a tapered part whose outer diameter decreases from one end face to the other.
  • In the second step, the first positive electrode pellet is inserted into a case along with other positive electrode pellets, creating a positive electrode inscribed in the case.
  • The first positive electrode pellet is positioned at the opening side of the case, with its first end face facing the opening.
  • In the third step, an annular groove is created in the side part of the case.
  • The inclination angle of the tapered part of the first positive electrode pellet ranges from 0.26° to 0.87° in a cross-section along its axial direction.
  • The distance between the groove and the first end face of the first positive electrode pellet ranges from 0.55 mm to 2.35 mm.

Potential applications of this technology:

  • Manufacturing alkaline dry batteries with improved performance and efficiency.
  • Can be used in various electronic devices and appliances that require alkaline batteries.

Problems solved by this technology:

  • Provides a method for manufacturing alkaline dry batteries with a specific design and arrangement of positive electrode pellets.
  • Ensures proper positioning and alignment of the first positive electrode pellet in the case.
  • Allows for better utilization of the battery's capacity and improved overall performance.

Benefits of this technology:

  • Enhanced battery performance and efficiency.
  • Improved reliability and longevity of alkaline dry batteries.
  • Consistent and optimized design for better energy output.
  • Cost-effective manufacturing process.


Original Abstract Submitted

A method for manufacturing an alkaline dry battery includes first to third steps. In the first step, a hollow cylindrical first positive electrode pellet including a first end face and a second end face is prepared in an axial direction is prepared. In the second step, a hollow cylindrical positive electrode pellet group including the first positive electrode pellet is inserted into a case to obtain a positive electrode inscribed in the case. At this time, the first positive electrode pellet is disposed on the most opening side of the case such that the first end face faces an opening side of the case. In the third step, an annular groove is provided in a side part of the case. The first positive electrode pellet includes a tapered part whose outer diameter decreases from the second end face toward the first end face, and in a cross section along the axial direction of the first positive electrode pellet, an inclination angle θ of the tapered part with respect to an axis of the first positive electrode pellet ranges from 0.26° to 0.87°, inclusive. A distance h between the groove and the first end face ranges from 0.55 mm to 2.35 mm, inclusive.

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