Device for manufacturing lithium ion secondary battery pole piece and manufacturing method thereof

A technology for secondary batteries and lithium ions, which is applied to devices and coatings for coating liquid on the surface, and can solve the problems of high production cost of lithium-ion secondary battery pole pieces, waste of substrates, and large waste of leftover tabs and other problems, to achieve the effect of convenient middle blank width, reduce production cost and improve utilization rate

Inactive Publication Date: 2011-09-28
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the current production method of lithium-ion secondary battery pole pieces, there is a lot of waste of tab material when slicing, which leads to serious waste of substrates, resulting in high production costs of lithium-ion secondary battery pole pieces

Method used

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  • Device for manufacturing lithium ion secondary battery pole piece and manufacturing method thereof
  • Device for manufacturing lithium ion secondary battery pole piece and manufacturing method thereof
  • Device for manufacturing lithium ion secondary battery pole piece and manufacturing method thereof

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0033] see figure 1 , figure 2 and image 3 , a device for manufacturing lithium-ion secondary battery pole pieces, comprising a paint roll 1 and a base material transfer roll 2, a scraper 3 is arranged above the paint roll 1, a base material transfer roll 2 is provided on one side of the paint roll 1, and a base material transfer roll 2 is provided on the other A slurry tank 4 is provided on one side, and a trapezoidal retaining foil 5 is provided between the scraper 3 and the paint roller 1. One end of the trapezoidal retainer foil 5 is fixed on the scraper 3, and the other end passes through the gap between the scraper 3 and the paint roller 1. The gap is fixed on the slurry tank 4. There is a bottom baffle at the bottom of the ...

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Abstract

The invention discloses a device for manufacturing a lithium ion secondary battery pole piece and a manufacturing method thereof. The device comprises a coating roller an a base material transfer roller arranged on one side of the coating roller, a scraping knife is arranged above the coating roller, and the other side of the coating roller is provided with a slurry tank; and a trapezoidal material blocking foil is arranged between the scraping knife and the coating roller, one end of the trapezoidal material blocking foil is fixed on the scraping knife, and the other end penetrates through a gap between the scraping knife and the coating roller and is fixed on the slurry tank. Both sides of the trapezoidal material blocking foil are provided with rectangular material blocking foils, one side of each rectangular material blocking foil is fixed on the scraping knife, and the other end penetrates through a gap between the scraping knife and the coating roller and is fixed on the slurry tank. During coating, the middle is left blank, the middle blank is used for manufacturing lugs, adjacent lugs are located in middle relative positions, so that the base material utilization rate is increased, and the production cost is reduced. During coating, the width of the blank has strict requirements, and the trapezoidal material blocking foil can be adjusted up and down, which is convenient to control the width of the middle blank.

Description

technical field [0001] The invention relates to the field of batteries, in particular to a device for manufacturing lithium-ion secondary battery pole pieces and a manufacturing method thereof. Background technique [0002] Lithium-ion secondary battery is a new type of energy. With the development of communication and the popularization of notebook computers, lithium-ion secondary battery is widely used in the field of communication. At the same time, lithium-ion secondary battery has a good application prospect in electric vehicles. [0003] With the development of power batteries, lithium iron phosphate is generally used in the current production of energy-type and rate-type battery cathode materials, which has good material safety and good cycle performance. , the blank positions used to prepare tabs are left on both sides of the coating, [0004] In the current production method of lithium-ion secondary battery pole piece, there is a lot of waste of tab material during...

Claims

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Application Information

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IPC IPC(8): B05C1/12B05C1/16B05D1/32
Inventor 高亮
Owner CHERY AUTOMOBILE CO LTD
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