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Aramid UV coating for battery isolation membrane and preparation method of aramid UV coating

A technology of isolation film and coating, applied in battery pack parts, circuits, electrical components, etc., can solve the problems of poor thermal shrinkage resistance, affecting the service life of batteries and batteries, and achieve extended service life and good thermal shrinkage resistance. , the effect of improving the thickness

Inactive Publication Date: 2017-04-26
HUIZHOU JIAHENENG NEW ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thermal shrinkage resistance of the traditional separator is poor, and it is easy to affect the battery and the service life of the battery

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The implementation of the present invention will be described in detail below with examples, so as to fully understand and implement the implementation process of how the present invention uses technical means to solve technical problems and achieve technical effects.

[0014] This embodiment provides a kind of aramid fiber UV coating that is used for battery separator, and its weight component is: aramid fiber 70-80 parts, resin binder 2-8 parts, initiator 1-5 parts, dispersant 0.1 -2 parts, stabilizer 0.5-2 parts. In a preferred embodiment, the amount of the aramid is 78 parts, the resin binder is 8 parts, the initiator is 2 parts, the dispersant is 1.2 parts, and the stabilizer is 0.8 parts.

[0015] The aramid UV coating has a number of evenly distributed holes, which correspond to the holes of the isolation membrane and allow the ions in the battery to pass through.

[0016] The present invention also provides a kind of preparation method of the aramid fiber UV co...

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PUM

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Abstract

The invention provides an aramid UV coating for a battery isolation membrane. The aramid UV coating comprises the following components in parts by weight: 70-80 parts of aramid, 2-8 parts of a resin binder, 1-5 parts of an initiator, 0.1-2 parts of a dispersing agent and 0.5-1 part of a stabilizer. According to the aramid UV coating for the battery isolation membrane, the thickness and hole uniformity is improved, the puncture strength of the isolation membrane is improved, the water content is reduced, the aramid UV coating has good thermal shrinkage resistance and the service life of a battery is effectively prolonged.

Description

technical field [0001] The invention belongs to the field of battery manufacturing, and in particular relates to a battery separator coating. Background technique [0002] The separator is a porous membrane between the positive and negative electrodes of the battery. It is mainly used to isolate the positive and negative electrodes, prevent short circuits, and allow ions to pass through. It has the function of maintaining the electrolyte. However, the thermal shrinkage resistance of the traditional separator is poor, which easily affects the battery and the service life of the battery. Contents of the invention [0003] In view of this, the technical problem to be solved by the present invention is to provide an aramid fiber UV coating for battery separator and a preparation method thereof. [0004] The invention provides a kind of aramid fiber UV coating for battery isolation film, and its weight components are: 70-80 parts of aramid fiber, 2-8 parts of resin binder, 1-5...

Claims

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Application Information

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IPC IPC(8): H01M2/14H01M2/16
CPCH01M50/403H01M50/411H01M50/449Y02E60/10
Inventor 席健
Owner HUIZHOU JIAHENENG NEW ENERGY TECH CO LTD
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