-Poor adhesion during the production of cylindrical lithium-ion batteries

Poor adhesion during the production of cylindrical lithium-ion batteries
author:enerbyte source:本站 click134 Release date: 2023-12-29 08:41:53
abstract:
Cause of failure(1) Gluing and punching;(2) Leakage phenomenon;(3) The transition rod of the adhesive tape is not flexible;Maintenance methods(1) Loosen the screws of the adhesive fixing plate and lift it up a bit during the feeding process, so that it touches the center of the battery cell as much...

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Cause of failure

(1) Gluing and punching;

(2) Leakage phenomenon;

(3) The transition rod of the adhesive tape is not flexible;

Maintenance methods

(1) Loosen the screws of the adhesive fixing plate and lift it up a bit during the feeding process, so that it touches the center of the battery cell as much as possible;

(2) Firstly, check whether the adhesive wheel is tightly attached to the battery cell, whether the adhesive tape adjustment plate is loose, whether the feeding guide wheel is too high, whether the cylinder air pressure is stable, whether the screw for adjusting the cylinder distance is loose, and whether the upper clamping wheel is tightly pressing the adhesive tape;

(3) The wheel in front of the glue sticking mechanism collides with the lower support, causing occasional glue sticking failure during rolling. The lower support may be flexible during collision and cannot be pressed down when feeding, resulting in occasional glue sticking failure;

(4) Check if the one-way bearing of the transition rod is installed upside down, loosen the locking sleeve of the transition rod, and adjust the transition rod.

4. The production of cylindrical lithium-ion batteries has misaligned end plates and separators

Cause of failure

(1) Caused by uneven height on both sides of the lower support wheel;

(2) The electrode guide plate is not perpendicular or parallel to the substrate;

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