Title:
SEALING CAN LID, SECONDARY BATTERY, AND MANUFACTURING METHOD OF SECONDARY BATTERY
Document Type and Number:
Japanese Patent JP2023182089
Kind Code:
A
Abstract:
To solve a problem of a conventional bonding surface structure in which a process becomes complicated due to the formation and management of grooves or protrusions.SOLUTION: A sealing can lid 11 applied to a secondary battery case 10 includes a base plate that becomes a main body of the sealing can lid 11, and a hole 30 provided in the base plate into which a cap 15 is inserted, and the hole 30 has a tapered surface 20 whose side surface is tapered such that the diameter of the hole decreases toward the inside of the case 10 when viewed in cross section.SELECTED DRAWING: Figure 4
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Inventors:
MIZUMOTO MASAHIRO
Application Number:
JP2022095494A
Publication Date:
December 26, 2023
Filing Date:
June 14, 2022
Export Citation:
Assignee:
PRIMEARTH EV ENERGY CO LTD
International Classes:
H01M50/645; H01M10/04; H01M50/15; H01M50/159
Attorney, Agent or Firm:
Ken Ieiri