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Battery separator felt with low reduzate and ion contents and preparation method thereof

A battery separator and ion content technology, which is applied to battery components, circuits, electrical components, etc., can solve the problems of difficult control of the content of reducing substances, affecting the performance and quality of batteries, and achieve high product strength, stable products, and stable operation. smooth effect

Inactive Publication Date: 2010-09-08
泰山玻璃纤维淄博有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, during use, because there are reducing substances in the glass fiber, and the content of the reducing substances is difficult to control, which affects the performance and quality of the battery

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Get specification and be " R61-13-18 " chopped fiber 3.18 tons, according to equipment requirement, glass fiber is cut into length and be 12 millimeters / section.

[0020] The preparation of the binder is: urea-formaldehyde resin 54.7kg, polyacrylate binder 450kg, KH-560 coupling agent 17.8kg, DSC-1 dispersant 81kg, KLD-930 defoamer 22.8kg. Add 39.8kg of hydroxyethyl cellulose to 19.5T water, and make it into shape through the molding process. The adhesive is evenly poured onto the felt surface with a glue applicator, and the suction negative pressure is controlled to -30bar; Drying is carried out in the dry area, the drying temperature is 100°C, the curing degree of polyacrylate is 95% after drying, the surface of the battery separator felt with low reducing substances and low ion content is smooth, and there is no layering. Materials, battery separator felt with low ion content, output 85663.2m 2 , the qualified product volume is 83896m 2 , Amount of scrap: 1767.2m ...

Embodiment 2

[0023] Get specification and be " R61-13-18 " chopped fiber 3.54 tons, according to equipment requirement, glass fiber is cut into length and be 12 millimeters / section.

[0024] The preparation of the binder is: urea-formaldehyde resin 45.6kg, polyacrylate binder 501kg, KH-560 coupling agent 15.8kg, DSC-1 dispersant 79kg, KLD-930 defoamer 15.8kg. Add 22kg of hydroxyethyl cellulose to 19.6T water, and make it into shape through the molding process. The adhesive is evenly poured on the felt surface with a glue applicator, and the suction negative pressure is controlled to -35bar; after glue is applied, it is dried. The drying temperature is 180°C. After drying, the curing degree of polyacrylate is 99%. , Rewinding of battery separator felt with low ion content, output 84986.7m 2 , the qualified product volume is 82998.7m 2 , Amount of scrap: 1998m 2 .

[0025] Product performance indicators are: longitudinal and transverse tensile breaking strength 167N / 5cm, transverse tensi...

Embodiment 3

[0027] Get specification and be " R61-13-18 " chopped fiber 2.97 tons, according to equipment requirement, glass fiber is cut into length and be 12 millimeters / section.

[0028] The preparation of the binder is: urea-formaldehyde resin 66.3kg, polyacrylate binder 400kg, KH-560 coupling agent 18.9kg, DSC-1 dispersant 89kg, KLD-930 defoamer 29.6kg. Add 35kg of hydroxyethyl cellulose to 22.4T water, and make it into shape through the molding process. The adhesive is evenly poured on the felt surface with a glue applicator, and the suction negative pressure is controlled to -39bar; after glue is applied, it is dried. Drying area, the drying temperature is 240 ℃, the curing degree of polyacrylate after drying is 97%, the surface of the battery separator felt with low reducing substances and low ion content is smooth, and there is no layering. After drying, the low reducing substances , Low ion content battery separator felt winding, output 82666.9m 2 , qualified product volume 810...

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Abstract

The invention relates to a battery separator felt with low reduzate and ion contents and a preparation method thereof. The battery separator felt is characterized by being prepared from 70-90 percent by mass of segmented installation glass fiber and 10-30 percent by mass of caking agent by fiber forming, gum impregnation, drying and rolling work procedures. The battery separator felt with low reduzate and ion contents has the advantages of uniform thickness, no hole, no stain and the like; the content of the reduzate is low; the contents of chloride ions and ferric ions are low; the acid resistance is favorable and the strength of products is higher; and the products produced with the preparation method of the battery separator felt with low reduzate and ion contents are stable and can stably operate.

Description

technical field [0001] The invention relates to a storage battery separator felt with low reducing substance and low ion content and a preparation method thereof, belonging to the field of storage battery base materials. Background technique [0002] With the continuous development of society and the improvement of people's living standards, people's requirements for material life are also getting higher and higher. Among them, the development of new materials is particularly prominent, and the new application research and development and market development of glass fiber products should also be actively operated. At present, the separator felt is mainly used in the field of battery manufacturing, and shows obvious properties of high porosity, low resistance, high temperature resistance and oxidation resistance, such as low viscosity, good suspension, low shrinkage, etc., so it can effectively prevent battery The shedding of the active material of the pole plate due to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/12H01M50/403H01M50/437H01M50/44H01M50/446
CPCY02E60/10
Inventor 雷明军陈勇崔刚
Owner 泰山玻璃纤维淄博有限公司
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