CN104078713A - Water-loss-resisting lead-acid battery electrolyte and preparation method thereof - Google Patents
Water-loss-resisting lead-acid battery electrolyte and preparation method thereof Download PDFInfo
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- CN104078713A CN104078713A CN201410298147.3A CN201410298147A CN104078713A CN 104078713 A CN104078713 A CN 104078713A CN 201410298147 A CN201410298147 A CN 201410298147A CN 104078713 A CN104078713 A CN 104078713A
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- water
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/08—Selection of materials as electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
- H01M2300/0011—Sulfuric acid-based
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses water-retention lead-acid battery electrolyte. The water-retention lead-acid battery electrolyte is formed by mixing the following raw materials in parts by weight: 6 to 14 parts of analytically pure or more-pure sulfuric acid, 8 to 15 parts of gaseous silicon dioxide, 25 to 40 parts of pure water, 5 to 20 parts of water retention agent and 6 to 12 parts of stabilizing agent; the water retention agent is formed by mixing the following raw materials in parts by weight: 10 parts of pure water (electric conductivity is less than or equal to 10 microsecond per centimeter), 10 to 80 parts of glycerol, 10 to 80 parts of butantetraol and 10 to 80 parts of polyvinyl alcohol (low polymerization, and the alcoholysis degree is 98 to 100 percent); the stabilizing agent is formed by mixing the following raw materials in parts by weight: 100 parts of pure water, 6 to 10 parts of sodium silicate and 4 to 12 parts of sodium sulfate. Under the shallow cycle and deep cycle rule, the water loss of the lead-acid battery adopting the electrolyte is obviously reduced, and the service life of the battery is prolonged.
Description
Technical field
The invention belongs to lead acid accumulator field, be specifically related to a kind of lead-acid battery of resistance to dehydration electrolyte and preparation method thereof.
Background technology
In lead-acid battery impulse electricity process, can produce heat, at normal temperatures, lead-acid battery does shallow circulation system, and the surface temperature of battery can reach 45 ~ 60 DEG C, and internal temperature of battery will higher, and the easy like this moisture that causes in electrolyte evaporates; Under normal temperature or high temperature, lead-acid battery does in the electric discharge of dark circulation and just also easily to cause moisture evaporation in electrolyte when mid-term in latter stage and charging.Electrolyte dehydration too much easily causes battery to lose efficacy in advance.
Summary of the invention
The object of the invention is to for existing conventional electrolysis liquid deficiency, solve battery and in impulse electricity process, cause electrolyte dehydration because temperature is high by adding some materials, affect battery problem.The technical problem to be solved in the present invention is to provide the preparation method of this electrolyte simultaneously.
For reaching above-mentioned technical purpose, the present invention is achieved through the following technical solutions:
A kind of water conservation lead-acid accumulator electrolyte, by the raw material of following weight portion through being mixed:
Analyze pure or above purity sulfuric acid 6-14
Aerosil 8-15
Pure water 25-40
Water-loss reducer 5-20
Stabilizer 6-12;
Described water-loss reducer is mixed by the raw material of following weight portion: pure water (conductivity≤10 μ s/cm) 100, glycerol 10-80, erythrol 10-80, polyvinyl alcohol (low polymerization degree, alcoholysis degree 98 ~ 100%) 10-80;
Described stabilizer is mixed by following weight portion raw material: pure water 100, sodium metasilicate 6-10, sodium sulphate 4-12.A preparation method for water conservation lead-acid accumulator electrolyte, comprises the following steps:
By above-mentioned weight portion,
(1) water mixes with aerosil, obtains the silicon sol solution that proportion is 1.01-1.04;
(2) silicon sol solution stabilizer modulation pH value step (1) being obtained, to 9-12, is then put into reactor by the solution modulating and is concentrated;
(3) water-loss reducer and sulfuric acid are added in the concentrate that step (2) obtains, after mixing, put into colloid mill and disperse to obtain lead-acid battery electrolyte.
In step (2), solution is put into reactor and concentrate, need be concentrated into solution water content 60% ~ 70%.
Water-loss reducer content in electrolyte in step (3) after colloid mill disperses is 10% ~ 40%, dioxide-containing silica is 10% ~ 30%, and chlorine (Cl)≤0.0003%, iron (Fe)≤0.001%, manganese (Mn)≤0.00004%, copper (Cu)≤0.001% in electrolyte.
In battery use procedure, temperature raises, so just promote water evaporation in electrolyte, hydroxyl (OH) in alcohols can must pin moisture by hydrogen bond action is fine, thus not volatile alcohols is added in electrolyte and pins moisture, to reaching the effect of water conservation.
Sodium metasilicate effect in stabilizer is to make the aerosil can be fine crosslinked together, avoids the sedimentation of silicon dioxide colloid; Adding the sulfation that can avoid well pole plate, the useful life of increase battery of sodium sulphate.
Under shallow circulation and circulation system deeply, adopt the percentage of water loss of the lead-acid battery of electrolyte of the present invention obviously to reduce, extend the useful life of battery.
Embodiment
Embodiment mono-
Prepare electrolyte water-loss reducer, the pure water of getting by weight described in pure water 100(the present embodiment is distilled water), glycerol 10, erythrol 10, polyvinyl alcohol (low polymerization degree, alcoholysis degree are 98 ~ 100%) 10, makes after mixing;
Prepare electrolyte stabilizer, get by weight pure water 100, sodium metasilicate 8, sodium sulphate 8, makes after mixing;
Prepare electrolyte, get by weight:
Analyze pure or above purity sulfuric acid 9
Aerosil 8
Pure water 30
Water-loss reducer 5
Stabilizer 6
(1) pure water of aforementioned proportion is mixed with aerosil, obtain proportion and be 1.02 silicon sol solution;
(2) by stabilizer modulation pH value to 9 for the silicon sol solution in step (1), then the solution modulating is put into reactor and concentrate, until solution water content is 70%;
(3) water-loss reducer and the pure level of analysis sulfuric acid are added in the solution after step (3) concentrates, after mixing, put into colloid mill and disperse, obtain lead-acid battery electrolyte of the present invention.
Embodiment bis-
Prepare electrolyte water-loss reducer, the pure water of getting by weight described in pure water 100(the present embodiment is distilled water), glycerol 30, erythrol 40, polyvinyl alcohol (low polymerization degree, alcoholysis degree are 98 ~ 100%) 30, makes after mixing;
Prepare electrolyte stabilizer, get by weight pure water 100, sodium metasilicate 8, sodium sulphate 8, makes after mixing;
Prepare electrolyte, get by weight:
Analyze pure or above purity sulfuric acid 9
Aerosil 8
Pure water 30
Water-loss reducer 14
Stabilizer 6
(1) pure water of aforementioned proportion is mixed with aerosil, obtain proportion and be 1.02 silicon sol solution;
(2) by stabilizer modulation pH value to 9 for the silicon sol solution in step (1), then the solution modulating is put into reactor and concentrate, until solution water content is 70%;
(3) water-loss reducer and the pure level of analysis sulfuric acid are added in the solution after step (3) concentrates, after mixing, put into colloid mill and disperse, obtain lead-acid battery electrolyte of the present invention.
Embodiment tri-
Prepare electrolyte water-loss reducer, the pure water of getting by weight described in pure water 100(the present embodiment is distilled water), glycerol 30, erythrol 40, polyvinyl alcohol (low polymerization degree, alcoholysis degree are 98 ~ 100%) 30, makes after mixing;
Prepare electrolyte stabilizer, get by weight pure water 100, sodium metasilicate 8, sodium sulphate 8, makes after mixing;
Prepare electrolyte, get by weight:
Analyze pure or above purity sulfuric acid 9
Aerosil 8
Pure water 30
Water-loss reducer 20
Stabilizer 6
(1) mix with aerosil than pure water above-mentioned, obtain proportion and be 1.02 silicon sol solution;
(2) by stabilizer modulation pH value to 9 for the silicon sol solution in step (1), then the solution modulating is put into reactor and concentrate, until solution water content is 70%;
(3) water-loss reducer and the pure level of analysis sulfuric acid are added in the solution after step (3) concentrates, after mixing, put into colloid mill and disperse, obtain lead-acid battery electrolyte of the present invention.
The electrolyte of above-mentioned three embodiment is poured into respectively in 12V12Ah experimental cell and tested, work system is: the charging stage, storage battery is in temperature is the environment of 25 DEG C ± 5 DEG C, taking single storage battery average voltage as 15V(current limliting 3A) constant voltage trickle charge 8h maybe when charging latter stage current stabilization 3h constant, be now and be full of electricity; Discharge regime, adopts GB GB/T 22199-2008 6.12.1 electric discharges, is full of after electricity at storage battery, in the environment of 25 DEG C ± 5 DEG C, discharges into when accumulator voltage reaches 10.50V and stops with 6A.After circulating 100 weeks, take the dehydration grams of each battery, result, as table 1, can find out that dehydration significantly reduces along with water-loss reducer increases.
Dehydration after circulations in 100 weeks of the each electrolyte battery of table 1
| ? | ? | Embodiment mono- | Embodiment bis- | Embodiment tri- |
| Dehydration (g) | ? | 15.2 | 12.7 | 8.5 |
Claims (3)
1. a water conservation lead-acid accumulator electrolyte, by the raw material of following weight portion through being mixed:
Analyze pure or above purity sulfuric acid 6-14
Aerosil 8-15
Pure water 25-40
Water-loss reducer 5-20
Stabilizer 6-12;
Described water-loss reducer is mixed by the raw material of following weight portion: pure water 100, glycerol 10-80, erythrol 10-80, polyvinyl alcohol 10-80;
Described stabilizer is mixed by following weight portion raw material: pure water 100, sodium metasilicate 6-10, sodium sulphate 4-12.
2. prepare the method for a kind of water conservation lead-acid accumulator electrolyte described in claim 1, it is characterized in that bag
Draw together the following step:
By weight portion described in claim 1,
(1) water mixes with aerosil, obtains the silicon sol solution that proportion is 1.01-1.04;
(2) silicon sol solution stabilizer modulation pH value step (1) being obtained, to 9-12, is then put into reactor by the solution modulating and is concentrated;
(3) water-loss reducer and sulfuric acid are added in the concentrate that step (2) obtains, after mixing, put into colloid mill and disperse to obtain lead-acid accumulator electrolyte.
3. a kind of preparation method of water conservation lead-acid accumulator electrolyte as claimed in claim 2, is characterized in that: in described step (2), solution is put into reactor and concentrate, need be concentrated into solution water content and be less than 60% ~ 70%.
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| CN201410298147.3A CN104078713A (en) | 2014-06-27 | 2014-06-27 | Water-loss-resisting lead-acid battery electrolyte and preparation method thereof |
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| CN201410298147.3A CN104078713A (en) | 2014-06-27 | 2014-06-27 | Water-loss-resisting lead-acid battery electrolyte and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959063A (en) * | 2016-10-14 | 2018-04-24 | 现代自动车株式会社 | Lead accumulator electrolyte composition and the lead accumulator using said composition |
| CN108808125A (en) * | 2018-08-22 | 2018-11-13 | 东莞市德东科技有限公司 | A kind of electrolyte of colloidal cell |
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| CN101262074A (en) * | 2008-04-27 | 2008-09-10 | 周桂生 | Glue electrolyte |
| WO2010058240A1 (en) * | 2008-11-19 | 2010-05-27 | Exide Industries Ltd | Low water loss battery |
| CN101908649A (en) * | 2010-07-02 | 2010-12-08 | 超威电源有限公司 | Colloidal electrolyte formula for lead-acid storage battery |
| CN102024992A (en) * | 2010-11-02 | 2011-04-20 | 江苏双登集团有限公司 | Lead-acid storage battery colloidal electrolyte and preparation method |
| CN102800896A (en) * | 2012-08-03 | 2012-11-28 | 上海锦众信息科技有限公司 | Preparation method for lead acid battery electrolyte |
-
2014
- 2014-06-27 CN CN201410298147.3A patent/CN104078713A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262074A (en) * | 2008-04-27 | 2008-09-10 | 周桂生 | Glue electrolyte |
| WO2010058240A1 (en) * | 2008-11-19 | 2010-05-27 | Exide Industries Ltd | Low water loss battery |
| CN101908649A (en) * | 2010-07-02 | 2010-12-08 | 超威电源有限公司 | Colloidal electrolyte formula for lead-acid storage battery |
| CN102024992A (en) * | 2010-11-02 | 2011-04-20 | 江苏双登集团有限公司 | Lead-acid storage battery colloidal electrolyte and preparation method |
| CN102800896A (en) * | 2012-08-03 | 2012-11-28 | 上海锦众信息科技有限公司 | Preparation method for lead acid battery electrolyte |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959063A (en) * | 2016-10-14 | 2018-04-24 | 现代自动车株式会社 | Lead accumulator electrolyte composition and the lead accumulator using said composition |
| CN107959063B (en) * | 2016-10-14 | 2021-10-08 | 现代自动车株式会社 | Electrolyte composition for lead storage battery and lead storage battery using the same |
| CN108808125A (en) * | 2018-08-22 | 2018-11-13 | 东莞市德东科技有限公司 | A kind of electrolyte of colloidal cell |
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Application publication date: 20141001 |