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Method of using oven with purging device and oven

A technology of oven and diaphragm, applied in the direction of cleaning method using gas flow, chemical instrument and method, cleaning method and utensils, etc., can solve the problems of diaphragm coating colloid falling off, falling on the surface of diaphragm, and the quality of diaphragm is not up to standard, etc. Achieve the effect of improving the safety of use, solving the damage of battery structure, and solving the effect of lithium analysis in batteries

Active Publication Date: 2021-04-27
JIANGSU ADVANCED MATERIAL TECH CO LTD
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem in the prior art that during the drying process of the diaphragm, the colloidal particles on the diaphragm coating will fall off and fall to the surface of the diaphragm, resulting in the problem that the quality of the diaphragm is not up to standard

Method used

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  • Method of using oven with purging device and oven
  • Method of using oven with purging device and oven

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Embodiment Construction

[0038] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0039] Such as figure 1 and figure 2 As shown, it is the most preferred embodiment of the present invention, a method for using an oven with a purging device, which can remove foreign matter bonded to the coated diaphragm 1 during the drying process, including the following steps:

[0040] S1, according to the thickness of the diaphragm 1, the composition of the coating slurry and the coating speed, the drying temperature in the oven is set;

[0041] S2, the coated diaphragm 1 enters the oven for drying, the oven is provided with an air outlet 30, and the air outlet 30 faces the surface of the diaphragm 1, and the wind at the drying temperature is blown out...

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Abstract

The present invention relates to the technical field of oven use, in particular to a method for using an oven with a purging device and the oven. The method includes the following steps: S1. Setting the drying temperature in the oven according to the thickness of the diaphragm and the composition of the coating slurry; S2. The coated diaphragm enters the oven for drying, and continuously judges whether the diaphragm enters a semi-dry state during the drying process; S3. When the diaphragm enters a semi-dry state, turn on the purging device to purge the surface of the diaphragm. The method for using the oven with the purging device and the oven of the present invention can remove foreign matter without damaging the diaphragm, and improve the high-quality rate of the diaphragm.

Description

technical field [0001] The invention relates to the technical field of oven use, in particular to a method for using an oven with a purging device and the oven. Background technique [0002] Coater is a very important production equipment widely used in electronics, photovoltaic, printing, textile and leather industries. Due to its unique structure and characteristics, lithium-ion batteries need to form a repeated overlapping unit of positive electrode / diaphragm / negative electrode / diaphragm, and the coating process is especially suitable for the production of each layer. Therefore, the coating machine is widely used in the manufacture of positive and negative electrodes and separator coatings of lithium batteries. Slurry making, coating, and drying are three basic steps in the coating process, which together determine the product quality. [0003] The existing drying process is realized by an oven. During the drying process, parts of the product will shed, forming dust. ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05C9/14B05C9/12B05D3/02B05D3/04B08B5/02B08B13/00H01M50/403H01M10/0525
CPCB05C9/12B05C9/14B05D3/0272B05D3/0413B08B5/02B08B13/00H01M10/0525Y02E60/10
Inventor 张磊王晓明徐强黄士斌包慧杨浩田
Owner JIANGSU ADVANCED MATERIAL TECH CO LTD
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