CN103682468A - Electromobile lead acid storage battery electrolyte - Google Patents
Electromobile lead acid storage battery electrolyte Download PDFInfo
- Publication number
- CN103682468A CN103682468A CN201310640312.4A CN201310640312A CN103682468A CN 103682468 A CN103682468 A CN 103682468A CN 201310640312 A CN201310640312 A CN 201310640312A CN 103682468 A CN103682468 A CN 103682468A
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- Prior art keywords
- parts
- lead
- sulfuric acid
- electric vehicle
- electrolyte
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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
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
- H01M2300/0011—Sulfuric acid-based
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of storage batteries, and particularly relates to an electromobile lead acid storage battery electrolyte. The electrolyte is prepared from following raw materials by weight: 2-3 parts of sodium carboxymethylcellulose, 0.5-2 parts of a succinate, 0.1-0.8 part of bismuth oxide, 0.3-0.7 part of stannous sulfate, 32-36 parts of sulfuric acid and 58-65 parts of water. The electrolyte is capable of avoiding capacity fading in the early stage of the electromobile lead acid storage battery, reducing the water loss in the cycle process, inhibiting generation of large-granule lead sulphate, increasing the battery capacity and prolonging the service lifetime of the battery.
Description
Technical field
The present invention is battery technology field, is specifically related to a kind of lead-acid battery of electric vehicle electrolyte.
Background technology
The short following a few class phenomenons of service lifetime of accumulator can be improved aspect electrolyte prescription: battery dehydration is too fast, bulging distortion after electrolyte dry-out; After battery deep discharge, the particle of lead sulfate is large especially, cannot make lead sulfate convert active material to after charging; Battery sharply declines at low temperature season capacity; Grid and lead plaster interface resistance are large, poor last loose the coming off of the power that mutually combines between lead plaster and lead plaster; It is few time by time that battery is filled with electric weight, and electric discharge will be fewer and feweri, belongs to charge acceptance poor; Battery capacity and design capacity are more on the low side.
Summary of the invention
For the problems referred to above, for fear of lead-acid battery of electric vehicle capacity attenuation in early stage, reduce cyclic process fluid loss, hinder the generation of bulky grain lead sulfate, and improve battery capacity and life-span, the invention provides a kind of lead-acid battery of electric vehicle electrolyte.
The present invention is achieved through the following technical solutions:
A lead-acid battery of electric vehicle electrolyte, is made by the raw material that comprises following weight portion: sodium carboxymethylcellulose 2-3 part, succinate 0.5-2 part, bismuth oxide 0.1-0.8 part, stannous sulfate 0.3-0.7 part, sulfuric acid 32-36 part, water 58-65 part.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, by the raw material that comprises following weight portion, made: 3 parts of sodium carboxymethylcelluloses, 0.8 part of succinate, 0.5 part of bismuth oxide, 0.3 part of stannous sulfate, 34 parts, sulfuric acid, 61.4 parts, water.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, by the raw material that comprises following weight portion, made: 2 parts of sodium carboxymethylcelluloses, 2 parts of succinates, 0.4 part of bismuth oxide, 0.3 part of stannous sulfate, 33 parts, sulfuric acid, 62.3 parts, water.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, by the raw material that comprises following weight portion, made: 2.5 parts of sodium carboxymethylcelluloses, 1 part of succinate, 0.8 part of bismuth oxide, 0.4 part of stannous sulfate, 35 parts, sulfuric acid, 60.3 parts, water.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, by the raw material that comprises following weight portion, made: 2 parts of sodium carboxymethylcelluloses, 0.7 part of succinate, 0.6 part of bismuth oxide, 0.7 part of stannous sulfate, 36 parts, sulfuric acid, 60 parts, water.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, by the raw material that comprises following weight portion, made: 2.5 parts of sodium carboxymethylcelluloses, 1.2 parts of succinates, 0.5 part of bismuth oxide, 0.3 part of stannous sulfate, 34 parts, sulfuric acid, 61.5 parts, water.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, described sulfuric acid is the concentrated sulfuric acid, and mass fraction is 97～99%.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, Fe content≤0.0005wt%, Cl content≤0.0005wt % of described sulfuric acid.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, described water is deionized water, its conductivity≤5 μ S/cm, and the object of controlling conductance is to reduce the impurity content of electrolyte the inside, to reduce self discharge.
According to above-mentioned lead-acid battery of electric vehicle electrolyte, described electrolyte is prepared from by following steps:
(1) in the container of corrosion-resistant and high-temperature resistant, add successively pure water, sulfuric acid, then add the additives such as sodium carboxymethylcellulose, succinate, bismuth oxide, stannous sulfate, stir, additive is fully dissolved, and make the upper and lower density distribution of electrolyte all even heat fully distribute;
(2) treat that temperature is reduced to below 55 ℃, carries out density measure;
(3) standing, treat that temperature is reduced to 20 ℃ and can uses below.
positive beneficial effect of the present invention:
Electrolyte of the present invention can be avoided lead-acid battery of electric vehicle capacity attenuation in early stage after adopting, reduce cyclic process fluid loss, hinders the generation of bulky grain lead sulfate, and improves battery capacity and life-span.Electrolyte of the present invention can improve the charge acceptance 10% of battery, obviously improves the cycle life about 15% of battery; To be normal temperature capacity 70% just qualified for-15 ℃ to make the low temperature capacity of battery-15 ℃ improve 7%(standard, and this battery can accomplish 80%); It is normal capacity 0.75% that battery over-discharge performance improves 6%(standard, and this battery can accomplish 0.80%).
Embodiment
Below in conjunction with specific embodiment, the present invention is described in more detail, but the invention is not restricted to these embodiment.
embodiment 1
The present embodiment lead-acid battery of electric vehicle electrolyte, is made by the raw material that comprises following weight portion: 3 parts of sodium carboxymethylcelluloses, 0.8 part of succinate, 0.5 part of bismuth oxide, 0.3 part of stannous sulfate, 34 parts, sulfuric acid, 61.4 parts, water.
Described sulfuric acid is the concentrated sulfuric acid, and mass fraction is 97%; Described water is deionized water.
Because battery design space is less, enough in order to ensure lead amount, just only have the electrolyte space of minimizing, and the consumption of electrolyte determines battery performance; Battery is used in hot environment, and battery dehydration is fast.The present embodiment electrolyte is suitable for and reduces battery dehydration.
embodiment 2
The present embodiment lead-acid battery of electric vehicle electrolyte, is made by the raw material that comprises following weight portion: 2 parts of sodium carboxymethylcelluloses, 2 parts of succinates, 0.4 part of bismuth oxide, 0.3 part of stannous sulfate, 33 parts, sulfuric acid, 62.3 parts, water.
Described sulfuric acid is the concentrated sulfuric acid, and mass fraction is at 98%, Fe content≤0.0005wt%, Cl content≤0.0005wt %; Described water is deionized water, its conductivity≤5 μ S/cm.
The long-term condition of using in overdischarge of battery, charging not in time, easily generates oarse-grained lead sulfate; Battery is used the negative easy overdischarge of plate under low temperature environment to generate a large amount of lead sulfates, is not easy to convert to active material when charging.Above phenomenon should adopt the present embodiment electrolyte, because it can disperse the accumulation of lead sulfate, and the oarse-grained lead sulfate of refinement, subsequent charge easily activates.
embodiment 3
The present embodiment lead-acid battery of electric vehicle electrolyte, is made by the raw material that comprises following weight portion: 2.5 parts of sodium carboxymethylcelluloses, 1 part of succinate, 0.8 part of bismuth oxide, 0.4 part of stannous sulfate, 35 parts, sulfuric acid, 60.3 parts, water.
Described sulfuric acid is the concentrated sulfuric acid, and mass fraction is at 99%, Fe content≤0.0005wt%, Cl content≤0.0005wt %; Described water is deionized water, its conductivity≤5 μ S/cm.
Polar plate solidification is bad, and lead plaster is easily separated with grid; Battery capacity attenuation in early stage is fast, and the interface resistance that belongs to grid and lead plaster is large; It is the loose obscission of being that battery is dissected; Battery all can make lead plaster and grid adhesion worse and worse in large electric current quick charge or electric discharge for a long time.Above phenomenon should adopt the present embodiment electrolyte, increases the adhesion of grid and lead plaster, lead plaster and lead plaster.
embodiment 4
The present embodiment lead-acid battery of electric vehicle electrolyte, is made by the raw material that comprises following weight portion: 2 parts of sodium carboxymethylcelluloses, 0.7 part of succinate, 0.6 part of bismuth oxide, 0.7 part of stannous sulfate, 36 parts, sulfuric acid, 60 parts, water.
Described sulfuric acid is the concentrated sulfuric acid, and mass fraction is 97～99%; Described water is deionized water, its conductivity≤5 μ S/cm.
Be internalized into battery green plate and change into and thoroughly do not have hickie, cause self-discharge of battery fast; Battery charge acceptance is poor, and the charging interval is long and to be filled with electric weight few; The internal resistance of battery is large, heating easy to charge; Battery discharge time is short, and capacity is on the low side.Above phenomenon should adopt the present embodiment electrolyte, because it increases conductive capability, improves charge acceptance, improves battery capacity.
embodiment 5
The present embodiment lead-acid battery of electric vehicle electrolyte, is made by the raw material that comprises following weight portion: 2.5 parts of sodium carboxymethylcelluloses, 1.2 parts of succinates, 0.5 part of bismuth oxide, 0.3 part of stannous sulfate, 34 parts, sulfuric acid, 61.5 parts, water.
Described sulfuric acid is the concentrated sulfuric acid, and mass fraction is 95; Described water is deionized water, its conductivity≤5 μ S/cm.
If battery properties is all normal, environment for use is normal, should adopt the present embodiment electrolyte, can make properties suitably improve again, extends battery 25%.
embodiment 6
Embodiment 1 ~ 6 lead-acid battery of electric vehicle electrolyte is prepared from by following steps:
(1) in the container of corrosion-resistant and high-temperature resistant, add successively pure water, sulfuric acid, then add the additives such as sodium carboxymethylcellulose, succinate, bismuth oxide, stannous sulfate, stir, additive is fully dissolved, and make the upper and lower density distribution of electrolyte all even heat fully distribute;
(2) treat that temperature is reduced to below 55 ℃, carries out density measure; If density is on the low side to be added sulfuric acid adjustment and improve, density is higher to be added water adjustment and reduces;
(3) standing, treat that temperature is reduced to 20 ℃ and can uses below.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple variation accordingly, but any and the present invention are equal to or similarly change and all should be encompassed in the scope of the claims in the present invention.
Claims (10)
1. a lead-acid battery of electric vehicle electrolyte, it is characterized in that, by the raw material that comprises following weight portion, made: sodium carboxymethylcellulose 2-3 part, succinate 0.5-2 part, bismuth oxide 0.1-0.8 part, stannous sulfate 0.3-0.7 part, sulfuric acid 32-36 part, water 58-65 part.
2. lead-acid battery of electric vehicle electrolyte according to claim 1, it is characterized in that, by the raw material that comprises following weight portion, made: 3 parts of sodium carboxymethylcelluloses, 0.8 part of succinate, 0.5 part of bismuth oxide, 0.3 part of stannous sulfate, 34 parts, sulfuric acid, 61.4 parts, water.
3. lead-acid battery of electric vehicle electrolyte according to claim 1, it is characterized in that, by the raw material that comprises following weight portion, made: 2 parts of sodium carboxymethylcelluloses, 2 parts of succinates, 0.4 part of bismuth oxide, 0.3 part of stannous sulfate, 33 parts, sulfuric acid, 62.3 parts, water.
4. lead-acid battery of electric vehicle electrolyte according to claim 1, it is characterized in that, by the raw material that comprises following weight portion, made: 2.5 parts of sodium carboxymethylcelluloses, 1 part of succinate, 0.8 part of bismuth oxide, 0.4 part of stannous sulfate, 35 parts, sulfuric acid, 60.3 parts, water.
5. lead-acid battery of electric vehicle electrolyte according to claim 1, it is characterized in that, by the raw material that comprises following weight portion, made: 2 parts of sodium carboxymethylcelluloses, 0.7 part of succinate, 0.6 part of bismuth oxide, 0.7 part of stannous sulfate, 36 parts, sulfuric acid, 60 parts, water.
6. lead-acid battery of electric vehicle electrolyte according to claim 1, it is characterized in that, by the raw material that comprises following weight portion, made: 2.5 parts of sodium carboxymethylcelluloses, 1.2 parts of succinates, 0.5 part of bismuth oxide, 0.3 part of stannous sulfate, 34 parts, sulfuric acid, 61.5 parts, water.
7. according to the lead-acid battery of electric vehicle electrolyte described in claim 1 ~ 6 any one, it is characterized in that, described sulfuric acid is the concentrated sulfuric acid, and mass fraction is 97～99%.
8. lead-acid battery of electric vehicle electrolyte according to claim 7, is characterized in that, Fe content≤0.0005wt%, Cl content≤0.0005wt % of described sulfuric acid.
9. according to the lead-acid battery of electric vehicle electrolyte described in claim 1 ~ 6 any one, it is characterized in that, described water is deionized water, its conductivity≤5 μ S/cm.
10. according to the lead-acid battery of electric vehicle electrolyte described in claim 1 ~ 6 any one, it is characterized in that, described electrolyte is prepared from by following steps:
(1) in the container of corrosion-resistant and high-temperature resistant, add successively pure water, sulfuric acid, then add the additives such as sodium carboxymethylcellulose, succinate, bismuth oxide, stannous sulfate, stir, additive is fully dissolved, and make the upper and lower density distribution of electrolyte all even heat fully distribute;
(2) treat that temperature is reduced to below 55 ℃, carries out density measure;
(3) standing, treat that temperature is reduced to 20 ℃ and can uses below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640312.4A CN103682468B (en) | 2013-12-04 | 2013-12-04 | Electromobile lead acid storage battery electrolyte |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640312.4A CN103682468B (en) | 2013-12-04 | 2013-12-04 | Electromobile lead acid storage battery electrolyte |
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| CN103682468A true CN103682468A (en) | 2014-03-26 |
| CN103682468B CN103682468B (en) | 2017-01-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064816A (en) * | 2014-05-14 | 2014-09-24 | 超威电源有限公司 | Electrolyte additive for hydrogen evolution suppression of lead-acid storage battery and preparation method for electrolyte additive |
| CN105186047A (en) * | 2015-06-25 | 2015-12-23 | 天能集团江苏科技有限公司 | High-performance lead-acid battery colloid electrolyte and preparation method thereof |
| CN106025378A (en) * | 2016-05-25 | 2016-10-12 | 江苏帕维电动科技有限公司 | Electrolyte of lead-acid storage battery of electric vehicle |
| CN108039426A (en) * | 2017-12-20 | 2018-05-15 | 庄巍 | A kind of cell apparatus of electric car |
| CN108336422A (en) * | 2018-03-15 | 2018-07-27 | 天能电池集团有限公司 | A kind of low temperature resistant battery liquid and preparation method thereof |
| CN110265733A (en) * | 2019-06-14 | 2019-09-20 | 江西奥沃森新能源有限公司 | A kind of new energy electric motor vehicle power supply control lead-acid accumulator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886860A (en) * | 2003-10-28 | 2006-12-27 | 株式会社杰士汤浅 | Lead acid storage battery and method for producing same |
| CN1960049A (en) * | 2006-11-17 | 2007-05-09 | 蔡植如 | Activity increase agent for lead-acid storage battery |
| CN101478057A (en) * | 2009-01-15 | 2009-07-08 | 公平 | Gel special for gel battery production |
-
2013
- 2013-12-04 CN CN201310640312.4A patent/CN103682468B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886860A (en) * | 2003-10-28 | 2006-12-27 | 株式会社杰士汤浅 | Lead acid storage battery and method for producing same |
| CN1960049A (en) * | 2006-11-17 | 2007-05-09 | 蔡植如 | Activity increase agent for lead-acid storage battery |
| CN101478057A (en) * | 2009-01-15 | 2009-07-08 | 公平 | Gel special for gel battery production |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064816A (en) * | 2014-05-14 | 2014-09-24 | 超威电源有限公司 | Electrolyte additive for hydrogen evolution suppression of lead-acid storage battery and preparation method for electrolyte additive |
| CN104064816B (en) * | 2014-05-14 | 2016-10-05 | 超威电源有限公司 | A kind of electrolysis additive of lead-acid accumulator suppression liberation of hydrogen and preparation method thereof |
| CN105186047A (en) * | 2015-06-25 | 2015-12-23 | 天能集团江苏科技有限公司 | High-performance lead-acid battery colloid electrolyte and preparation method thereof |
| CN105186047B (en) * | 2015-06-25 | 2017-06-16 | 天能集团江苏科技有限公司 | A kind of high-performance lead-acid battery colloidal electrolyte and preparation method thereof |
| CN106025378A (en) * | 2016-05-25 | 2016-10-12 | 江苏帕维电动科技有限公司 | Electrolyte of lead-acid storage battery of electric vehicle |
| CN108039426A (en) * | 2017-12-20 | 2018-05-15 | 庄巍 | A kind of cell apparatus of electric car |
| CN108336422A (en) * | 2018-03-15 | 2018-07-27 | 天能电池集团有限公司 | A kind of low temperature resistant battery liquid and preparation method thereof |
| CN110265733A (en) * | 2019-06-14 | 2019-09-20 | 江西奥沃森新能源有限公司 | A kind of new energy electric motor vehicle power supply control lead-acid accumulator |
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| CN103682468B (en) | 2017-01-11 |
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