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Ozone assisted cutting device and method

A technology of cutting device and cutting method, which is applied in the field of lithium batteries, can solve problems such as poor quality of tabs and reduced lifespan, and achieve the effect of improving quality and reducing short circuit

Inactive Publication Date: 2017-05-31
SHENZHEN HYMSON LASER INTELLIGENT EQUIP CO LTD
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Problems solved by technology

[0003] The object of the present invention is to provide an ozone-assisted cutting device, aiming to solve the technical problems of poor quality and reduced service life of tabs in the prior art

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Embodiment Construction

[0032] Below in conjunction with accompanying drawing, the present invention is described in detail.

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] see figure 1 , an ozone-assisted cutting device disclosed in the present invention includes: a cutting platform 100 , a sealing protection device 200 , an electrode sheet 300 , a laser processing device 400 and an ozone generating device 500 . Specifically, the cutting platform 100 is located in the sealing protection device 200; the electrode sheet 300 to be cut is placed on the cutting platform 100; the laser processing device 400 is set toward the electrode sheet 300 and is located in t...

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Abstract

The invention discloses an ozone assisted cutting device. The ozone assisted cutting device comprises a sealed protection device provided with a cutting platform, a to-be-cut electrode slice put on the cutting platform, a laser processing device arranged to face the electrode slice and an ozone generating device arranged to face the laser processing device, wherein the laser processing device is used for producing laser beams for cutting the electrode slice, and the ozone generating device is used for producing ozone blown towards the laser cutting device and making electrode slice slag left after laser beam cutting oxidized so as to prevent slag accumulation from causing electrode slice short circuit. In addition, the invention further provides an ozone assisted cutting method. The electrode slice slag left after laser beam cutting is oxidized, and accordingly the electrode slice short circuit caused by the slag accumulation is prevented from affecting the quality and service life of the electrode slice.

Description

technical field [0001] The invention relates to the field of lithium batteries, in particular to an ozone-assisted cutting device and method for cutting electrode sheets. Background technique [0002] When cutting the electrode sheet by laser, the basic principle is to melt part of the metal material on the electrode sheet to form slag through the high power of the laser, and form a cutting line at the position where the laser moves on the electrode sheet, so that the electrode sheet can be cut along the cutting line. Open to form pole ears. However, the tiny slag formed after laser cutting will be adsorbed on the tab near the cutting line. When the tab is energized and used, the accumulated slag may cause a short circuit of the tab, which will directly affect the life of the tab or the battery. Quality or lifespan, resulting in poor quality and reduced lifespan. Contents of the invention [0003] The object of the present invention is to provide an ozone-assisted cuttin...

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Application Information

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IPC IPC(8): B23K26/12B23K26/38
CPCB23K26/123B23K26/38
Inventor 周宇超黄明明陈文文毛俊波张修冲何颖波景春龙温燕修
Owner SHENZHEN HYMSON LASER INTELLIGENT EQUIP CO LTD
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