Battery pole piece cutting method and device

A battery pole piece and cutting equipment technology, applied in electrode manufacturing, welding equipment, electrode heat treatment, etc., can solve the problems of continuous cutting, burrs on the shape of tabs, and affecting the performance of the battery core, so as to avoid burrs and improve the performance of the battery core. Effect

Inactive Publication Date: 2018-10-23
SZ DJI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the gap is just cut off, the laser generator will cut the tab and the battery pole piece continuously when cutting the tab, which will cause burrs on the shape of the tab, which will affect the performance of the battery cell.

Method used

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  • Battery pole piece cutting method and device
  • Battery pole piece cutting method and device
  • Battery pole piece cutting method and device

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Embodiment Construction

[0028] The technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood...

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Abstract

The invention provides a battery pole piece (23) cutting method and device (20). The method comprises the following steps: determining a portion of a currently cut battery pole piece (23); according to a portion of the currently cut battery pole piece (23), adjusting the cutting parameters of a laser generator (21), such that the cutting parameters when the laser generator (21) cuts the tabs (31)are different from the cutting parameters when the laser generator (21) cuts the gap portion. The portion of the currently cut battery pole piece (23) is determined by the cutting device (20) of the battery pole piece (23), and the cutting parameters of the laser generator (21) are adjusted according to the position of the currently cut battery pole piece (23). The cutting parameters when the laser generator (21) cuts the tabs (31) are different from the cutting parameters when the laser generator (21) cuts the gap portion. The battery pole piece cutting method and device can avoid that the laser energy received by the unit length of the tab (31) shape is less than the laser energy received per unit length of the gap, resulting in the tabs (31) and the pole piece (23) cannot be cut off bylaser cutting, burrs are avoided, and the performance of the battery cells.

Description

technical field [0001] The embodiments of the present invention relate to the field of unmanned aerial vehicles, in particular to a method and equipment for cutting battery pole pieces. Background technique [0002] The discharge current of the power battery of the UAV is relatively large, so the power battery of the UAV needs a battery cell with small internal resistance and good dynamic performance. Small internal resistance means that many tabs need to be set on the battery pole piece. [0003] In the prior art, the battery pole piece is cut by a laser tab forming machine. The laser tab forming machine includes a laser generator, and the laser emitted by the laser generator cuts a plurality of tabs on the battery pole piece, and two adjacent pole pieces In the gap between the ears, during normal production, the battery pole piece moves at a constant speed, and the laser power emitted by the laser generator is fixed. [0004] However, when the gap is just cut off, the la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/38B23K26/70
CPCB23K26/38B23K26/70B23K26/0626B23K26/083B23K26/0876H01M4/04H01M4/0471Y02E60/10B23K26/40B23K26/364B23K2101/38B23K2103/12
Inventor 许柏皋王雷
Owner SZ DJI TECH CO LTD
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