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Horizontal battery charging method

A horizontal battery, acid filling technology, applied in the direction of lead-acid battery, battery pack parts, lead-acid battery construction, etc., can solve problems such as leakage and affecting the normal use of batteries

Active Publication Date: 2020-10-23
GUANGZHOU ZHUOYUE POWER NEW ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, when acid is poured, too much electrolyte is often poured into the battery, and these excessive electrolytes are easy to cause problems such as leakage and affect the normal use of the battery

Method used

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  • Horizontal battery charging method
  • Horizontal battery charging method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for filling acid into a horizontal battery, comprising the following steps:

[0028] Step 1, preparation of electrolyte: add pure sulfuric acid to distilled water and mix to obtain a concentration of 1.2g / cm 3 electrolyte, and reduce the temperature of the electrolyte to 15°C.

[0029] Step 2: Vacuumize the battery: Use an air pump to pump out the air inside the battery, and use a vacuum detector to check whether the vacuum of the battery is below 0.2 MPa. If yes, go to step 3. If not, continue to vacuum.

[0030] Step 3, acid filling: put the electrolyte in step 1 into the electrolyte tank 4, and then lead it to the liquid distribution part 7 with the acid filling pipe 9 while stirring, and the liquid distribution part 7 rotates and throws out the electrolyte to the battery Medium; the stirring speed of the electrolyte is 100r / min.

[0031] Step 4, acid suction: use the liquid-dispersing part 7 in step 3 to suck out the excess electrolyte in the battery, and...

Embodiment 2

[0042] The difference between this embodiment and embodiment 1 is:

[0043] The concentration of the electrolyte in step 1 is 1.3g / cm 3 , the temperature is 25°C.

[0044] In step 3, the stirring speed of the electrolyte solution is 150 r / min.

[0045] The pumping pressure of the vacuum pump 2 in step 4 is 80MPa.

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Abstract

The invention belongs to the technical field of batteries, and in particular relates to a method for pouring acid into a horizontal battery, comprising the following steps: Step 1, preparing an electrolyte: adding pure sulfuric acid into distilled water and mixing to obtain a concentration of 1.2 to 1.3 g / cm 3 electrolyte; step 2, battery vacuuming: use air extraction equipment to extract the air inside the battery; step 3, filling acid: put the electrolyte in step 1 into the electrolyte tank, and then use the acid filling tube while stirring Lead to the liquid part, and the liquid part is rotated to throw out the electrolyte into the battery; step 4, acid absorption: use the liquid part in step 3 to suck out the excess electrolyte in the battery, and recover it to the battery through the acid suction mechanism In the electrolyte tank; step five, sealing wax: seal the acid filling port of the battery with wax. This solution can discharge the excess electrolyte that enters the battery during acid filling.

Description

technical field [0001] The invention belongs to the technical field of batteries, and in particular relates to a method for pouring acid into a horizontal battery. Background technique [0002] The pole plates of traditional batteries are assembled vertically to the ground, and they are also installed vertically to the ground when in use. The battery with this structure is prone to electrolyte stratification during use; resulting in the high concentration of sulfuric acid in the lower part of the battery during the discharge process, the released capacity is relatively large, while the sulfuric acid concentration in the upper part of the battery is low and the released capacity is small; When charging, the upper part will be charged first, and the active material will gradually react and transform from top to bottom. When the upper part of the battery is fully charged or even overcharged, the lower part is not yet fully charged. With the accumulation of cycle times , this i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/36H01M10/12H01M50/691
CPCH01M10/12H01M50/60H01M50/691H01M50/636Y02E60/10Y02P70/50
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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