Battery power collection plate and battery

By controlling the color parameters L1 and a1 of the copper current collector plate's surface, the issues of uneven laser welding due to high reflectivity are addressed, resulting in improved welding quality and structural strength, thus enhancing battery performance.

DE202025105489U1Active Publication Date: 2025-12-24CALB GROUP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
DE202025105489
Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
Priority Date
2024-12-05
Filing Date
2025-09-15
Publication Date
2025-12-24
Estimated Expiration
2035-09-30

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

Battery current collector plate, characterized in that the battery current collector plate comprises copper and the battery current collector plate comprises an electrical connection section for electrically connecting a cell tab to an electrode terminal; the color parameters of the surface of the electrical connection section for connecting to the cell tab and / or the electrode terminal comprise “L1” and “a1”, wherein “L1” is the value of the L-channel in the Lab color space and “a1” is the value of the a-channel in the Lab color space, wherein S = L1 × a1 and 900 ≤ S ≤ 2500.
Need to check novelty before this filing date? Find Prior Art