A kind of energy storage lead-acid battery life extension liquid and preparation method thereof

A lead-acid battery, energy storage technology, applied in lead-acid batteries, acid electrolytes, water-based electrolytes, etc., can solve the problems of short service life, expected service life, waste of resources, etc., achieve low capacity decay speed, strong charging acceptance, Simple preparation method

Active Publication Date: 2020-06-02
GUANGDONG YINGYEDA ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The design life of ordinary lead-acid batteries is generally 2-3 years, but its actual use is often only 1 year or less. The design life of maintenance-free lead-acid batteries is 7-15 years, but its actual service life is far short expected service life
Due to the wide application of lead-acid batteries, a large number of waste lead-acid batteries have been generated, resulting in a waste of resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] An energy storage lead-acid battery life extension liquid, the energy storage lead acid battery life extension liquid comprises the following raw materials in parts by weight: 10 parts of ethylphosphorus aluminum, 16 parts of dithiothreitol, diallyl dimethyl 6 parts of ammonium chloride, 11 parts of sodium thioglycolate, 6 parts of chromium chloride, 5 parts of azelaic acid, and 45 parts of water.

[0026] A preparation method of life extension liquid for energy storage lead-acid batteries, the steps are: a. Divide the water into 3 parts, namely the first part of water, the second part of water and the third part of water, for standby; b. Disulfide Mix threitol with diallyldimethylammonium chloride, add the first part of water, and stir and mix at 80°C for 10 minutes to obtain a mixed solution 1; c. Two parts of water, stirred and mixed at 95°C for 15 minutes to obtain mixed solution 2; d. Mix sodium thioglycolate and azelaic acid, add the third part of water, stir and ...

Embodiment 2

[0028] An energy storage lead-acid battery life extension solution, the energy storage lead-acid battery life extension solution comprises the following raw materials in parts by weight: 16 parts of ethyl phosphorus aluminum, 27 parts of dithiothreitol, diallyl dimethyl 14 parts of ammonium chloride, 15 parts of sodium thioglycolate, 12 parts of chromium chloride, 10 parts of azelaic acid, 60 parts of water.

[0029] A preparation method of life extension liquid for energy storage lead-acid batteries, the steps are: a. Divide the water into 3 parts, namely the first part of water, the second part of water and the third part of water, for standby; b. Disulfide Mix threitol with diallyldimethylammonium chloride, add the first part of water, and stir and mix at 90°C for 20 minutes to obtain a mixed solution 1; c. Two parts of water, stirred and mixed at 110°C for 30 minutes to obtain mixed solution 2; d. Mix sodium thioglycolate and azelaic acid, add the third part of water, and ...

Embodiment 3

[0031] An energy storage lead-acid battery life extension solution, the energy storage lead acid battery life extension solution comprises the following raw materials in parts by weight: 13 parts of ethylphosphorus aluminum, 21 parts of dithiothreitol, diallyl dimethyl 10 parts of ammonium chloride, 13 parts of sodium thioglycolate, 9 parts of chromium chloride, 8 parts of azelaic acid, and 54 parts of water.

[0032] A preparation method of life extension liquid for energy storage lead-acid batteries, the steps are: a. Divide the water into 3 parts, namely the first part of water, the second part of water and the third part of water, for standby; b. Disulfide Mix threitol and diallyldimethylammonium chloride, add the first portion of water, and stir and mix at 86°C for 15 minutes to obtain a mixed solution 1. c. Mix phosphonium aluminum with chromium chloride, add the second portion of water, and stir and mix at 100°C for 20 minutes to obtain the mixed solution 2. d. Mix sod...

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Abstract

The invention discloses an energy storage lead-acid battery life-extension liquid and a preparation method thereof. The energy storage lead-acid battery life-extension liquid comprises the following parts of raw materials by weight: 10-16 parts of fosetyl-aluminum, 16-27 parts of dithiothreitol, 6-14 parts of diallyl dimethyl ammonium chloride, 11-15 parts of sodium thioglycolate, 6-12 parts of chromium chloride, 5-10 parts of azelaic acid, and 45-60 parts of water. The energy storage lead-acid battery life-extension liquid of the present invention is compounded by fosetyl-aluminum, dithiothreitol, diallyl dimethyl ammonium chloride, sodium thioglycolate, chromium chloride, sebacic acid and water. The battery prepared by using the energy storage lead-acid battery life-extension liquid hasthe advantages of high cycle life, low capacity decay speed, strong charging acceptance, and the like, and has good social value and economic value; and the preparation method is simple and beneficialto realize industrial production.

Description

technical field [0001] The invention relates to the technical field of lead-acid batteries, in particular to an energy storage lead-acid battery life-enhancing liquid and a preparation method thereof. Background technique [0002] Lead-acid battery (VRLA) is a battery whose electrodes are mainly made of lead and its oxides, and the electrolyte is sulfuric acid solution. In the charged state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in the discharged state, the main component of the positive and negative electrodes is lead sulfate. The Frenchman Plant invented the lead-acid battery in 1859. After 150 years of development, the lead-acid battery has made great progress in terms of theoretical research, product types and varieties, and product electrical performance. Lead-acid batteries have played an indispensable and important role in various economic fields such as militar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/08
CPCH01M10/08H01M2300/0011Y02E60/10
Inventor 汪国兵
Owner GUANGDONG YINGYEDA ELECTRONICS CO LTD
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