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Start-stop automobile battery separator and preparation method thereof

A technology for battery separators and separators, which is applied to battery components, separators/films/diaphragms/spacers, circuits, etc., and can solve poor vibration resistance and low wet strength of ultra-fine glass fiber separators , Low wet pressure holding capacity and other issues, to achieve the effect of small pore size, low resistance and high porosity

Inactive Publication Date: 2017-05-10
营口中捷仕达隔板有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiments of the present invention provide a start-stop automobile battery separator and a preparation method thereof, which are used to solve the problem of low wet strength, low wet state pressure holding capacity, and the The problem of poor vibration

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  • Start-stop automobile battery separator and preparation method thereof

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] The embodiment of the present invention provides a separator for a start-stop automobile battery. The raw materials of the separator include: glass fiber cotton and hydrophobic fibers; the mass proportions of the components of the separator raw materials are: 5-15% of water fiber; among them, the diameter of glass fiber cotton is 0.8-1.5 μm, and the diameter of hydrophobic fiber is 10-15 μm.

[0018] figure 1 It is a flowchart of a method for preparing...

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Abstract

The invention discloses a start-stop automobile battery separator and preparation method thereof, and relates to the technical field of batteries. The separator comprises a separator raw material, wherein the separator raw material comprises fiberglass cotton and hydrophobic fiber; the separator raw material the following raw materials in mass proportion: 85-95% of fiberglass cotton, and 5-15% of hydrophobic fiber; the diameter of the fiberglass cotton is 0.8-1.5 microns, and the diameter of the hydrophobic fiber is 10-15 microns. The separator reserves the advantages of high porosity, low resistance and small aperture of a common AGM separator, and the dry and wet tensile strength, puncture resistance, and wet pressure maintaining capacity. The dry strength and the wet strength of the synthetic fabric battery separator are improved by 30-50%, the puncture resistance is nearly doubled, and the wet pressure maintaining can be improved by 10-20%.

Description

technical field [0001] The invention relates to the field of storage battery technology, and more specifically relates to a start-stop automobile storage battery separator and a preparation method thereof. Background technique [0002] The start-stop car separator is an important component of the battery, not an active substance, and even plays a decisive role in some cases. Its material is an electronic insulator, and its porosity makes it ionically conductive. The separator is placed between the positive and negative plates of the battery, which can prevent the short circuit of the positive and negative electrodes in the electrolyte, store the electrolyte required by the battery, and at the same time ensure the good conductivity of the electrolyte between the positive and negative electrodes. It also has the functions of reducing the bending of the plate and preventing the active material from falling off. With the rapid development of the automobile industry, the perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/16
CPCH01M50/403H01M50/409H01M50/431H01M50/44Y02E60/10
Inventor 刘金城刘刚王薇娄坤邵章郭海华赵飞张岩孔庆喜刘丽艳李树凯朱亚宁吴伟原成军
Owner 营口中捷仕达隔板有限公司
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