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Core-spun braiding method for grids

A grid and core-spun technology, which is applied in textiles and papermaking, fabric surface trimming, heating/cooling fabrics, etc., can solve problems such as difficult light weight, achieve high mechanical strength, good electrical conductivity, and enhance discharge capacity.

Active Publication Date: 2020-09-01
GUANGZHOU ZHUOYUE POWER NEW ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a grid core-spun braiding method to weave a glass fiber reinforced alloy grid to solve the problem of satisfying mechanical strength and corrosion resistance by thickening and thickening the grid in the prior art. Difficult to lightweight

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0031] Embodiment: the core-spun braiding method of the grid in this scheme comprises the following steps:

[0032] Step 1: Preparation of lead-free glass powder

[0033] The formula composition of lead-free glass powder: proportioning by mass fraction, B 2 o 3 2%, Bi 2 o 3 3%, ZnO 3%, Al 2 o 3 2%, MgO is 2.5%, BaO is 7.5%, and the balance is SiO 2 .

[0034] Add the above ingredients into the ceramic crucible in batches, and when the temperature of the box-type sintering furnace rises to 1250°C, put the ceramic crucible into the sintering furnace. Mill in a ball mill jar for 72 hours, and sieve through a 400-mesh sieve to obtain glass powder with an average particle size of 3 μm, and obtain lead-free glass powder with a softening point of 700°C.

[0035] The second step: coating material preparation

[0036] The composition of the covering material: according to the volume ratio, the lead-free glass powder is 8%, the copper alloy powder is 30%, and the balance is the...

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Abstract

The invention belongs to the field of grids of battery pole plates, and concretely discloses a core-spun weaving method of grids. The method comprises the following steps: S1. preparation of leadlessglass powder; S2. preparation of a coating material; S3. preparation of recombination lines; S4. weaving of grids. Leadless glass comprises the following components in percentages by mass: 2-5% of B2O3, 2-3% of Bi2O3, 2-3% of ZnO, 2-5% of Al2O3, 2.5% of MgO, and 7.5% of BaO. The coating material comprises the following components in percentages by volume: 29% of leadless glass powder, 30% of copper alloy powder, and the balance being thermosetting phenolic resins, unsaturated fatty acids, and an organic solvent. The woven grids solve the problems that mechanical strength and corrosion resistance requirements of grids are satisfied by thickening grids in the prior art, and lightweighting is difficult.

Description

technical field [0001] The invention belongs to the field of grids of battery pole plates, and in particular relates to a grid composite wire. Background technique [0002] Alloy grid is an important part of the battery, and its role in the battery: 1. Mainly support the active material; 2. Make the current evenly distributed on the active material to improve the utilization rate of the active material. The traditional alloy grid is mainly composed of a grid frame with tabs and vertical and horizontal ribs fixed in the grid frame, wherein the vertical ribs are arranged between the upper and lower frames of the grid frame, and the horizontal ribs are arranged between the two between vertical borders. [0003] Although the alloy grid does not participate in the flow reaction in the battery, it has a great influence on the main performance of the battery such as capacity, life, current discharge and charge acceptance. The main function of the grid frame is to prevent the allo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/74C03C12/00D02G3/18D02G3/40D02G3/44D06C7/04
CPCC03C12/00D02G3/185D02G3/404D02G3/447D06C7/04H01M4/747Y02E60/10
Inventor 何幸华李政文黎少伟何可立马俊
Owner GUANGZHOU ZHUOYUE POWER NEW ENERGY CO LTD
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