CN107863563A - A kind of colloidal electrolyte of lead acid batteries - Google Patents
A kind of colloidal electrolyte of lead acid batteries Download PDFInfo
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- CN107863563A CN107863563A CN201711014254.9A CN201711014254A CN107863563A CN 107863563 A CN107863563 A CN 107863563A CN 201711014254 A CN201711014254 A CN 201711014254A CN 107863563 A CN107863563 A CN 107863563A
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- H01M2300/00—Electrolytes
- H01M2300/0085—Immobilising or gelification of electrolyte
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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)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention relates to a kind of colloidal electrolyte of lead acid batteries.Include the component of following parts by weight：Sulfuric acid 30 150, nano grade gas phase silicon dioxide 15 40, polyvinyl alcohol, 0.2 4, polyethylene glycol 10 20, antimony oxide 3 10, bismuth oxide 15, boric acid 0.2 2, phosphoric acid 0.5 3, sodium sulphate 2 15, deionized water 50 200, hydroxypropyl methyl cellulose 15, stannous sulfate 0.2 3, acrylamide 10 30, potash soap 15.Colliod electrolyte for accumulator provided by the invention, the present invention make obtained colloidal electrolyte stable system by functional additive association reaction product, are uniformly dispersed, flow superior permeability, are provided simultaneously with conductive characteristic and gel hysteresis.The colloidal electrolyte effectively reduces the internal resistance of colloid battery, overcome conventional colloid perfusion flowing poor permeability, the container formation charging process premature gelation the drawbacks of, so that colloidal electrolyte is applicable and internal formation process, improve the performance of lead-acid accumulator, extend the service life for being internalized into colloid battery.
Description
Technical field
The invention belongs to new energy and environmental protection and energy saving technical field, more particularly to a kind of colloidal electrolyte of lead acid batteries.
Background technology
At present, electric car has been formed common recognition as the important component of following mankind's vehicles, at present electric car
Valve controlled sealed lead-acid accumulator is generally used as main power resources, as the fast development of electric car industry is to electric power storage
The cycle life in pond, higher requirement can be proposed in charging ability, maintenance-free performance, safety in utilization, as power type electricity
Pond is in order to provide the reliability to the deeper cavity life-span, more based on lead-antimony alloy battery, but the electric power storage using lead-antimony alloy as material
Pond has that grid corrosion speed is fast, because the accumulation dehydrating speed of antimony is fast, causes thermal runaway deformation cell body rupture, and safeguarding improper can draw
Play end-of-life in advance.In order to overcome these shortcomings, battery of electric vehicle is progressively to lead-calcium alloy material transition, although solving
Battery using process dehydration it is too fast the problem of, improve maintenance-free performance, but lead-calcium alloy is also brought due to the presence of calcium
Battery deeper cavity capacity attenuation is fast, short life, and the charging restorability after overdischarge can be poor, the easy softening and shedding of active material
Shortcoming.And these shortcomings showed in the battery being used in series it is more prominent.
The content of the invention
In view of the problems of prior art, the present invention provides a kind of colloidal electrolyte of lead acid batteries, it is possible to increase
The service life cycle of battery.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of colloidal electrolyte of lead acid batteries, including with
The component of lower parts by weight：Sulfuric acid 30-150, nano grade gas phase silicon dioxide 15-40, polyvinyl alcohol, 0.2-4, polyethylene glycol 10-
20, antimony oxide 3-10, bismuth oxide 1-5, boric acid 0.2-2, phosphoric acid 0.5-3, sodium sulphate 2-15, deionized water 50-
200, hydroxypropyl methyl cellulose 1-5, stannous sulfate 0.2-3, acrylamide 10-30, potash soap 1-5.
Further, the sulfuric acid is 30 parts by weight, and nano grade gas phase silicon dioxide is 15 parts by weight, polyvinyl alcohol 0.2
Parts by weight, polyethylene glycol are 10 parts by weight, and antimony oxide is 3 parts by weight, and bismuth oxide is 1 parts by weight, and boric acid is 0.2 weight
Part is measured, phosphoric acid is 0.5 parts by weight, and sodium sulphate is 2 parts by weight, and deionized water is 50 parts by weight, and hydroxypropyl methyl cellulose is 1 weight
Part is measured, stannous sulfate is 0.2 parts by weight, and acrylamide is 10 parts by weight, and potash soap is 1 parts by weight.
Further, the sulfuric acid is 150 parts by weight, and nano grade gas phase silicon dioxide is 40 parts by weight, the weight of polyvinyl alcohol 4
Part is measured, polyethylene glycol is 20 parts by weight, and antimony oxide is 10 parts by weight, and bismuth oxide is 5 parts by weight, and boric acid is 2 weight
Part, phosphoric acid is 3 parts by weight, and sodium sulphate is 15 parts by weight, and deionized water is 200 parts by weight, and hydroxypropyl methyl cellulose is 5 weight
Part, stannous sulfate is 3 parts by weight, and acrylamide is 30 parts by weight, and potash soap is 5 parts by weight.
Further, the sulfuric acid is 110 parts by weight, and nano grade gas phase silicon dioxide is 30 parts by weight, polyvinyl alcohol 1.5
Parts by weight, polyethylene glycol are 15 parts by weight, and antimony oxide is 7 parts by weight, and bismuth oxide is 5 parts by weight, and boric acid is 1.2 weights
Part is measured, phosphoric acid is 2.1 parts by weight, and sodium sulphate is 8 parts by weight, and deionized water is 160 parts by weight, hydroxypropyl methyl cellulose 3
Parts by weight, stannous sulfate are 2.3 parts by weight, and acrylamide is 18 parts by weight, and potash soap is 4 parts by weight.
Further, the concentration of the phosphoric acid is 75%, and the concentration of the sulfuric acid is 85%.
Embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
The invention provides a kind of colloidal electrolyte of lead acid batteries, a kind of colloidal electrolyte of lead acid batteries, including with
The component of lower parts by weight：Sulfuric acid 20-180, nano grade gas phase silicon dioxide 10-45, polyvinyl alcohol 0.5-5, polyethylene glycol 8-15,
Antimony oxide 2-15, bismuth oxide 1-10, boric acid 0.2-5, phosphatase 11-5, sodium sulphate 5-25, deionized water 50-250, sulphur
Sour stannous 0.5-4, acrylamide 5-25, potash soap 0.5-3, isopropanol 5-15, sodium hydroxide 1-5.
Inventor has carried out the screening experiment of substantial amounts of component and dosage early stage, is found surprisingly that, technology of the invention
Scheme effectively improves common colloidal electrolyte and does not adapt to lead-calcium alloy electricity by reasonably matching and the combination of each component
The shortcomings that pond, improve the premature capacity loss effect of lead-calcium alloy battery, improve the deep discharge cycle life, low of lead calcium cell
Rechargeable performance after warm high rate during charging-discharging and overdischarge, improves the safety in utilization of battery, reduces electricity
The synthesis use cost in pond, and also solve poor colloidal electrolyte thixotropy made of common Ludox, easy deionization aquation,
The problems such as aging is fast, easily dry, has good thixotropy, internal resistance low, self discharge is small, big with the battery of this electrolyte perfusion
Current discharge ability is strong, low temperature resistant and performance is good, and improves battery capacity and cycle life；The present invention is added by feature
Thing association reaction product makes obtained colloidal electrolyte stable system, is uniformly dispersed, flows superior permeability, is provided simultaneously with conduction
Characteristic and gel hysteresis.The colloidal electrolyte effectively reduces the internal resistance of colloid battery, overcomes conventional colloid perfusion stream
Dynamic poor permeability, the container formation charging process premature gelation the drawbacks of so that colloidal electrolyte is applicable and internal formation process,
Improve the performance of lead-acid accumulator, extend the service life for being internalized into colloid battery.
It is introduced below by specific embodiment.
Embodiment 1
The colloidal electrolyte of lead acid batteries that the present embodiment provides, include the component of following parts by weight：The sulfuric acid is 20
Parts by weight, nano grade gas phase silicon dioxide are 10 parts by weight, the parts by weight of polyvinyl alcohol 0.5, and polyethylene glycol is 8 parts by weight, three oxygen
It is 2 parts by weight to change two antimony, and bismuth oxide is 1 parts by weight, and boric acid is 0.2 parts by weight, and phosphoric acid is 1 parts by weight, and sodium sulphate is 5 weights
Part is measured, deionized water is 50 parts by weight, and stannous sulfate is 0.5 parts by weight, and acrylamide is 5 parts by weight, and potash soap is 0.5 weight
Part, isopropanol is 5 parts by weight, and sodium hydroxide is 1 parts by weight.
Embodiment 2
The colloidal electrolyte of lead acid batteries that the present embodiment provides, include the component of following parts by weight：The sulfuric acid is 180
Parts by weight, nano grade gas phase silicon dioxide are 45 parts by weight, and the parts by weight of polyvinyl alcohol 5, polyethylene glycol is 15 parts by weight, and three aoxidize
Two antimony are 10 parts by weight, and bismuth oxide is 10 parts by weight, and boric acid is 5 parts by weight, and phosphoric acid is 5 parts by weight, and sodium sulphate is 25 weights
Part is measured, deionized water is 250 parts by weight, and stannous sulfate is 4 parts by weight, and acrylamide is 25 parts by weight, and potash soap is 3 parts by weight,
Isopropanol is 15 parts by weight, and sodium hydroxide is 5 parts by weight.
Embodiment 3
The colloidal electrolyte of lead acid batteries that the present embodiment provides, include the component of following parts by weight：The sulfuric acid is 90
Parts by weight, nano grade gas phase silicon dioxide are 20 parts by weight, and the parts by weight of polyvinyl alcohol 3, polyethylene glycol is 9 parts by weight, and three aoxidize
Two antimony are 6 parts by weight, and bismuth oxide is 7 parts by weight, and boric acid is 2 parts by weight, and phosphoric acid is 3 parts by weight, and sodium sulphate is 16 amount parts,
Deionized water is 120 parts by weight, and stannous sulfate is 2 parts by weight, and acrylamide is 10 parts by weight, and potash soap is 1.5 parts by weight, isopropyl
Alcohol is 8 parts by weight, and sodium hydroxide is 3 parts by weight.
Wherein it should be noted that the concentration of the phosphoric acid is 75%, the concentration of the sulfuric acid is 85%.
Comparative example 1
There is no other groups simultaneously of nano grade gas phase silicon dioxide, stannous sulfate, isopropanol and sodium hydroxide in this comparative example 1
Point and match and a kind of identical of embodiment.
Measure of merit
The performance of above-described embodiment and the colloidal electrolyte of lead acid batteries of comparative example preparation is determined respectively.
Test result is as shown in table 1.
Table 1
Data in table 1 can be seen that the colloidal electrolyte of lead acid batteries sheet of technical scheme offer
The heavy current discharging time and spray charging precipitator of battery can be significantly improved, therefore the recycling of battery can be improved
Life-span；
The present invention makes obtained colloidal electrolyte stable system by functional additive association reaction product, disperseed
Even, flowing superior permeability, is provided simultaneously with conductive characteristic and gel hysteresis.The colloidal electrolyte effectively reduces colloid electricity
The internal resistance in pond, conventional colloid perfusion flowing poor permeability is overcome, the container formation charging process premature gelation the drawbacks of, made
Colloidal electrolyte be applicable and internal formation process, improve lead-acid accumulator performance, extend be internalized into colloid battery
Service life.
SiO in colloidal electrolyte of the present invention2Content is high, and added with high-molecular polyivnyl alcohol and sulfuric acid, deionized water
Molecule establishes stronger network structure, and polyvinyl alcohol effectively prevents various components to be layered, prevents colloidal electrolyte aquation.By
Nanometer grade silica (SiO is added in colloidal electrolyte2), turn into the main component of gel, have the function that to adsorb sulfuric acid, change
Kind discharging product makes it regenerate lead sulfate (PbSO4), its content number directly affect porosity in electrolyte, content increase
To reduce aperture, floating powder and the lead ion (Pb on pole plate is prevented4+) spread and cause short circuit；Add sodium sulphate (Na2SO4), it is molten
Solution forms (SO4 2-) ion, there is " common-ion effect " to play and prevent lead sulfate (PbSO4) dissolution, prevent short circuit phenomenon；
Addition macromolecule stabilizer, which has, in colloidal electrolyte prevents nanometer grade silica (SiO2) and other species precipitates work
With, while also have the function that to keep moisture, dehydration is reduced, and gel is participated in, play a part of fastening pole plate, protection pole plate；
Addition boric acid and phosphoric acid effectively can prevent colloidal electrolyte from going bad, and keep its chemical stability；Main component in formula in addition
Also sulfuric acid (H2SO4) and water, it is the reactant as discharge and recharge.Aerosil is the great granular substance of specific surface area
Matter, its hydroxyl is with being a kind of fabulous gel of thixotropy after deionization water molecules；Polyethylene glycol be gel accelerator and
Stabilizer, the colloid glue chain structure to be formed can be made to keep stable under some strength, and have very strong lock deionized water effect；Three
Aoxidize two bismuths to be added in colloidal electrolyte, be adsorbed onto in the active material of battery lead plate, and be entrained in active material and grid interface
On, play a part of eliminating battery lead plate passivation
Nano grade gas phase silicon dioxide is the great particulate material of specific surface area, its hydroxyl and deionization water molecules
It is afterwards a kind of fabulous gel of thixotropy；Phosphoric acid can make the lead sulfate crystal grain refinement after active material electric discharge, after increase charging
α brown lead oxide contents, reduce active material softening rate, improve cycle life of the battery under deep discharge state；Sulfuric acid
Sodium is dissolved in electrolyte, increases the sulfate ion content that reaction is not involved in electrolyte, in battery overdischarge, when sulfuric acid consumes
When to the greatest extent, improve battery micro-short circuit caused by a large amount of dissolutions of the lead sulfate because of caused by the reduction of acid concentration in electrolyte, make
After colloidal electrolyte with the present invention, to lead-calcium alloy battery, effectively improve common colloidal electrolyte and do not adapt to lead calcium
The shortcomings that alloy cell, improve the premature capacity loss effect of lead-calcium alloy battery, the depth for further increasing lead calcium cell is put
Rechargeable performance after electric cycle life, low temperature high rate during charging-discharging and overdischarge, improve the use peace of battery
Quan Xing, reduce the synthesis use cost of battery.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (5)
1. a kind of colloidal electrolyte of lead acid batteries, it is characterised in that include the component of following parts by weight：Sulfuric acid 20-180, receives
Meter level aerosil 10-45, polyvinyl alcohol 0.5-5, polyethylene glycol 8-15, antimony oxide 2-15, bismuth oxide 1-
10, boric acid 0.2-5, phosphatase 11-5, sodium sulphate 5-25, deionized water 50-250, stannous sulfate 0.5-4, acrylamide 5-25, potassium
Soap 0.5-3, isopropanol 5-15, sodium hydroxide 1-5.
2. colloidal electrolyte of lead acid batteries according to claim 1, it is characterised in that：The sulfuric acid is 20 parts by weight,
Nano grade gas phase silicon dioxide is 10 parts by weight, and the parts by weight of polyvinyl alcohol 0.5, polyethylene glycol is 8 parts by weight, and antimony oxide is
2 parts by weight, bismuth oxide are 1 parts by weight, and boric acid is 0.2 parts by weight, and phosphoric acid is 1 parts by weight, and sodium sulphate is 5 parts by weight, is gone
Ionized water is 50 parts by weight, and stannous sulfate is 0.5 parts by weight, and acrylamide is 5 parts by weight, and potash soap is 0.5 parts by weight, isopropanol
For 5 parts by weight, sodium hydroxide is 1 parts by weight.
3. colloidal electrolyte of lead acid batteries according to claim 1, it is characterised in that：The sulfuric acid is 180 parts by weight,
Nano grade gas phase silicon dioxide is 45 parts by weight, and the parts by weight of polyvinyl alcohol 5, polyethylene glycol is 15 parts by weight, and antimony oxide is
10 parts by weight, bismuth oxide are 10 parts by weight, and boric acid is 5 parts by weight, and phosphoric acid is 5 parts by weight, and sodium sulphate is 25 parts by weight, is gone
Ionized water is 250 parts by weight, and stannous sulfate is 4 parts by weight, and acrylamide is 25 parts by weight, and potash soap is 3 parts by weight, and isopropanol is
15 parts by weight, sodium hydroxide are 5 parts by weight.
4. colloidal electrolyte of lead acid batteries according to claim 1, it is characterised in that：The sulfuric acid is 90 parts by weight,
Nano grade gas phase silicon dioxide is 20 parts by weight, the parts by weight of polyvinyl alcohol 3, and polyethylene glycol is 9 parts by weight, antimony oxide 6
Parts by weight, bismuth oxide are 7 parts by weight, and boric acid is 2 parts by weight, and phosphoric acid is 3 parts by weight, and sodium sulphate is 16 amount parts, deionization
Water is 120 parts by weight, and stannous sulfate is 2 parts by weight, and acrylamide is 10 parts by weight, and potash soap is 1.5 parts by weight, isopropanol 8
Parts by weight, sodium hydroxide are 3 parts by weight.
5. colloidal electrolyte of lead acid batteries according to claim 1, it is characterised in that：The concentration of the phosphoric acid is
75%, the concentration of the sulfuric acid is 85%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711014254.9A CN107863563A (en) | 2017-10-26 | 2017-10-26 | A kind of colloidal electrolyte of lead acid batteries |
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| CN201711014254.9A CN107863563A (en) | 2017-10-26 | 2017-10-26 | A kind of colloidal electrolyte of lead acid batteries |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103514A (en) * | 2018-08-22 | 2018-12-28 | 东莞市德东科技有限公司 | A kind of colloid electrolyte for lead-acid battery |
| CN109119705A (en) * | 2018-08-22 | 2019-01-01 | 东莞市德东科技有限公司 | A kind of lead calcium is internalized into colloidal electrolyte and preparation method thereof |
| RU2817056C1 (en) * | 2023-11-21 | 2024-04-09 | Акционерное общество "Северный пресс" (АО "Северный пресс") | Method of producing gel electrolyte based on polyvinyl alcohol |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291002A (en) * | 2008-05-06 | 2008-10-22 | 浙江超威电源有限公司 | Colloidal electrolyte of lead acid batteries |
| CN101908649A (en) * | 2010-07-02 | 2010-12-08 | 超威电源有限公司 | Colloidal electrolyte formula for lead-acid storage battery |
| CN102496742A (en) * | 2011-12-31 | 2012-06-13 | 河南三丽电源股份有限公司 | Special colloidal electrolyte applicable to internal formation process and preparation method thereof |
-
2017
- 2017-10-26 CN CN201711014254.9A patent/CN107863563A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291002A (en) * | 2008-05-06 | 2008-10-22 | 浙江超威电源有限公司 | Colloidal electrolyte of lead acid batteries |
| CN101908649A (en) * | 2010-07-02 | 2010-12-08 | 超威电源有限公司 | Colloidal electrolyte formula for lead-acid storage battery |
| CN102496742A (en) * | 2011-12-31 | 2012-06-13 | 河南三丽电源股份有限公司 | Special colloidal electrolyte applicable to internal formation process and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103514A (en) * | 2018-08-22 | 2018-12-28 | 东莞市德东科技有限公司 | A kind of colloid electrolyte for lead-acid battery |
| CN109119705A (en) * | 2018-08-22 | 2019-01-01 | 东莞市德东科技有限公司 | A kind of lead calcium is internalized into colloidal electrolyte and preparation method thereof |
| RU2817056C1 (en) * | 2023-11-21 | 2024-04-09 | Акционерное общество "Северный пресс" (АО "Северный пресс") | Method of producing gel electrolyte based on polyvinyl alcohol |
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