A sub-coating roll for electrode coating
By setting engraved mesh and edge lines on the surface of the printing roller, the coating defects in the negative electrode coating process of lithium-ion batteries are solved, and the coating density and cell safety performance are improved.
CN224358721UActive Publication Date: 2026-06-16CHONGQING WEIDULI NEW ENERGY CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING WEIDULI NEW ENERGY CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-06-16
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Figure CN224358721U_ABST
Abstract
The utility model discloses a kind of bottoming plate roller for electrode coating, including bottoming plate roller, the surface of the bottoming plate roller is provided with a plurality of evenly arranged plate roller engraved net, the edge of the plate roller engraved net is provided with edge line.This utility model can accurately control slurry transfer amount by setting plate roller engraved net, ensure that coating thickness consistency, especially in the four edges of plate roller engraved net setting edge line, the depth of use laser engraving of edge line is consistent with the depth of plate roller engraving, can improve head foil leakage and head misalignment problem, improve the compactness of coating, improve the safety performance of battery.
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