Method for visually representing electrolyte seepage effect

An electrolyte and seepage technology, applied in the direction of surface/boundary effects, circuits, electrical components, etc., can solve problems such as the inability to clearly judge the seepage effect of electrolytes

Inactive Publication Date: 2016-09-07
DONGGUAN CHUANGMING BATTERY TECH
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  • Abstract
  • Description
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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for visually characterizing the seepage effect of the electrolyte, ai...

Method used

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Embodiment Construction

[0008] 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 in conjunction with the 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.

[0009] The embodiment of the present invention provides a method for visually characterizing the seepage effect of the electrolyte, including the following steps:

[0010] S01. Provide an electrolyte and a dye, and mix the electrolyte and the dye to form a dyed electrolyte, wherein the volume ratio of the electrolyte to the dye is (60-100):1;

[0011] S02. After the battery is injected with liquid, disassemble the battery, observe the color distribution and reflection degree of the separator and negative electrode sheet, and determine the effect of electrolyte seepage.

[0012] Specificall...

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Abstract

The invention provides a method for visually representing an electrolyte seepage effect. The method comprises the following steps of providing an electrolyte and a coloring agent; mixing the electrolyte and the coloring agent to form a coloring electrolyte, wherein the volume ratio of the electrolyte to the coloring agent is (60-100) to 1; and filling the electrolyte into a battery, then disassembling the battery, and observing the color distribution and the reflective degree of a separator and a negative electrode plate so as to determine the electrolyte seepage effect.

Description

technical field [0001] The invention belongs to the technical field of battery manufacturing, and in particular relates to a method for intuitively characterizing the seepage effect of electrolyte. Background technique [0002] Battery injection is an important step in the battery manufacturing process. The effect of electrolyte seepage after injection has a great impact on the performance of the battery. However, since the existing electrolyte is generally a colorless solution, it is difficult to see the difference in the infiltration of different positions of the pole piece and the diaphragm after the battery is injected; thus it is impossible to clearly judge the seepage effect of the electrolyte, and the pole piece absorbs liquid. The performance is good or bad, resulting in large differences between battery batches. Contents of the invention [0003] The purpose of the present invention is to provide a method for intuitively characterizing the seepage effect of the e...

Claims

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Application Information

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IPC IPC(8): H01M2/36G01N13/04H01M50/636
CPCG01N13/04H01M50/636Y02E60/10
Inventor 岳芳赵悠曼程建良
Owner DONGGUAN CHUANGMING BATTERY TECH
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