Method for manufacturing an electrical storage device
Laser welding is used to form a molten solidified portion with the required thickness and depth on the electrode tabs of the energy storage device, which solves the reliability problem of the conductive connection and improves the overall performance of the energy storage device.
CN122158885APending Publication Date: 2026-06-05PRIME PLANET ENERGY & SOLUTIONS INC
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PRIME PLANET ENERGY & SOLUTIONS INC
- Filing Date
- 2025-12-02
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
In the existing technology, the reliability of the conductive connections of energy storage devices needs to be improved.
Method used
The conductive connection is formed by laser welding. By oscillating energy lines in a specific area of ββthe electrode tab assembly, a molten solidified part with the required thickness and depth is formed, and the electrode body is joined to the conductive component.
Benefits of technology
It improves the reliability of conductive connections and enhances the overall performance of the energy storage device.
β¦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122158885A_ABST
Abstract
The present application relates to a manufacturing method of an electric storage device, the electric storage device including an electrode body (200) including a first electrode (210) and a second electrode (240), the electrode body (200) having a first electrode tab group (220) in which a plurality of first electrode tabs connected to the first electrode (210) are stacked, and further including a first conductive member (410) connected to the first electrode tab group (220), the manufacturing method of the electric storage device including: a step of producing the electrode body (200) having the first electrode tab group (220); a step of forming a first joining portion that joins the first electrode tabs to each other in the first electrode tab group (220); and a step of forming a second joining portion (411A) that joins the first joining portion in the first electrode tab group to the first conductive member (410), the step of forming the second joining portion including a process of swing irradiation of an energy ray (2).
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