Lithium battery pole piece coating production processing system

A processing system, lithium battery technology, applied in the direction of battery electrodes, lithium batteries, electrode current collector coating, etc., can solve problems such as potential safety hazards, short circuit of battery diaphragm, affecting production efficiency and quality, so as to improve production quality and prevent The effect of pleating and interfolding

Active Publication Date: 2021-01-15
湖南亿等新能源有限公司
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Problems solved by technology

[0003] The following problems exist in the existing lithium battery pole piece coating production: 1. It is difficult to grasp the thickness of the coating during the existing lithium battery pole piece coating production. If the thickness of the coated surface is too small, the battery capacity may not reach Nominal capacity, if the thickness of the coating surface is too large, it is easy to cause waste of ingredients. In severe

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  • Lithium battery pole piece coating production processing system
  • Lithium battery pole piece coating production processing system
  • Lithium battery pole piece coating production processing system

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[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0024] see Figure 1-4 As shown, a lithium battery pole piece coating production and processing system includes an installation platform 1, a winding mechanism 2, a smoothing roller 3, a tensioning mechanism 4, a slurry coating mechanism 5 and a drying mechanism 6. The installation A retracting mechanism 2 is installed on the left and right ends of the table 1, and a tensioning mechanism 4 is symmetrically installed on the mounting table 1 on the opposite inner side of the retracting mechanism 2. A roller passes between the retracting mechanism 2 and the tensio...

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Abstract

The invention relates to a lithium battery pole piece coating production processing system. The lithium battery pole piece coating production processing system comprises a mounting table, winding mechanisms, a smoothing roller, tensioning mechanisms, a slurry coating mechanism and a drying mechanism, the winding mechanisms are mounted at the left end and the right end of the mounting table, the tensioning mechanisms are symmetrically mounted on the mounting table on the opposite inner sides of the winding mechanisms, the smoothing roller is arranged between the winding mechanism on the left side of the mounting table and the tensioning mechanisms through a roller frame, and the slurry coating mechanism and the drying mechanism are sequentially mounted on the mounting table between the twotensioning mechanisms from left to right. According to the lithium battery pole piece coating production processing system, gas with a certain pressure is introduced into a slurry box through a gas inlet pipe, and a certain pressure is generated in the slurry box to push slurry in the slurry box to flow, so that the flow of the slurry extruded from a slurry extrusion port is fixed, and the coatingthickness of the lithium battery pole piece is controlled.

Description

technical field [0001] The invention relates to the technical field of lithium battery production, in particular to a lithium battery pole piece coating production and processing system. Background technique [0002] The coating process is a process based on the study of the physical properties of the fluid, coating one or more layers of liquid on a current collector, which is usually a flexible film or backing paper, and then the coated liquid is coated The layer is dried or cured in an oven to form a film layer with special functions. Lithium battery pole piece coating is the next process after the preparation of the slurry. The main purpose of this process is to evenly coat the slurry with good stability, good viscosity and good fluidity on the positive and negative electrode current collectors. Electrode coating is of great significance to the capacity, consistency, and safety of lithium batteries. According to incomplete statistics: the battery failure caused by the p...

Claims

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Application Information

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IPC IPC(8): B05C5/02B05C11/10B05C13/02H01M4/04H01M4/139H01M10/052
CPCB05C5/0225B05C11/1005B05C11/1013B05C13/02H01M4/0404H01M4/139H01M10/052Y02E60/10
Inventor 俞镔朱伟人
Owner 湖南亿等新能源有限公司
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