CN107706451A - A kind of Colliod electrolyte for accumulator - Google Patents
A kind of Colliod electrolyte for accumulator Download PDFInfo
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- CN107706451A CN107706451A CN201711015682.3A CN201711015682A CN107706451A CN 107706451 A CN107706451 A CN 107706451A CN 201711015682 A CN201711015682 A CN 201711015682A CN 107706451 A CN107706451 A CN 107706451A
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 38
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 44
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 29
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 18
- 239000011152 fibreglass Substances 0.000 claims abstract description 18
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 15
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004327 boric acid Substances 0.000 claims abstract description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910000410 antimony oxide Inorganic materials 0.000 claims abstract description 14
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 14
- RCIVOBGSMSSVTR-UHFFFAOYSA-L stannous sulfate Chemical compound [SnH2+2].[O-]S([O-])(=O)=O RCIVOBGSMSSVTR-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229910000375 tin(II) sulfate Inorganic materials 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229920002521 macromolecule Polymers 0.000 abstract description 5
- 239000003381 stabilizer Substances 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 abstract description 2
- 238000005213 imbibition Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 230000010148 water-pollination Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 2
- 229910001245 Sb alloy Inorganic materials 0.000 description 2
- 229910052924 anglesite Inorganic materials 0.000 description 2
- 239000002140 antimony alloy Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 2
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 2
- 239000002142 lead-calcium alloy Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 206010011906 Death Diseases 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- PANBYUAFMMOFOV-UHFFFAOYSA-N sodium;sulfuric acid Chemical compound [Na].OS(O)(=O)=O PANBYUAFMMOFOV-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of Colliod electrolyte for accumulator.Include the component of following parts by weight：Sulfuric acid 50 100, nanometer grade silica 10 30, polyvinyl alcohol 0.1 2, ultra-fine fibre glass 25, boric acid 0.5 3, phosphoric acid 0.3 2, sodium sulphate 1 10, water 70 150, antimony oxide 15, stannous sulfate 0.1 2.Colliod electrolyte for accumulator provided by the invention, macromolecule stabilizer and hydrophily ultra-fine fibre glass, stronger network structure is established with sulfuric acid, hydrone, macromolecule stabilizer effectively prevents various components to be layered, colloidal electrolyte aquation is prevented, ultra-fine fibre glass turns into " reinforcement " of colloidal electrolyte in colloidal electrolyte, effectively prevents colloidal electrolyte from seriously ftractureing, strengthen colloid tensile strength and anti-vibration performance, its stronger imbibition ability improves electrolyte diffusion and transmission speed.Charge acceptance is improved, so as to improve the cycle life of battery.
Description
Technical field
The invention belongs to new energy and environmental protection and energy saving technical field, more particularly to a kind of Colliod electrolyte for accumulator.
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 Colliod electrolyte for accumulator, it is possible to increase battery
Service life cycle.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of Colliod electrolyte for accumulator includes following weight
The component of part：Sulfuric acid 50-100 nanometer grade silica 10-30, polyvinyl alcohol 0.1-2, ultra-fine fibre glass 2-5, boric acid 0.5-
3, phosphoric acid 0.3-2, sodium sulphate 1-10, water 70-150, antimony oxide 1-5, stannous sulfate 0.1-2.
Further, the sulfuric acid is 50 parts by weight, and nanometer grade silica is 10 parts by weight, the weight of polyvinyl alcohol 0.1
Part, ultra-fine fibre glass is 2 parts by weight, and boric acid is 0.5 parts by weight, and phosphoric acid is 0.3 parts by weight, and sodium sulphate is 1 parts by weight, and water is
70 parts by weight, antimony oxide are 1 parts by weight, and stannous sulfate is 0.1 parts by weight.
Further, the sulfuric acid is 100 parts by weight, and nanometer grade silica is 30 parts by weight, the weight of polyvinyl alcohol 2
Part, ultra-fine fibre glass is 5 parts by weight, and boric acid is 3 parts by weight, and phosphoric acid is 2 parts by weight, and sodium sulphate is 10 parts by weight, water 150
Parts by weight, antimony oxide are 5 parts by weight, and stannous sulfate is 2 parts by weight.
Further, the sulfuric acid is 70 parts by weight, and nanometer grade silica is 25 parts by weight, the parts by weight of polyvinyl alcohol 1,
Ultra-fine fibre glass is 3 parts by weight, and boric acid is 1 parts by weight, and phosphoric acid is 1 parts by weight, and sodium sulphate is 5 parts by weight, and water is 100 weight
Part, antimony oxide is 3 parts by weight, and stannous sulfate is 1 parts by weight.
Further, the concentration of the phosphoric acid is 75%, and the concentration of the sulfuric acid is 90%.
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 Colliod electrolyte for accumulator, include the component of following parts by weight：Sulfuric acid 50-100 nanometers
Grade silicon dioxide 10-30, polyvinyl alcohol 0.1-2, ultra-fine fibre glass 2-5, boric acid 0.5-3, phosphoric acid 0.3-2, sodium sulphate 1-10,
Water 70-150, antimony oxide 1-5, stannous sulfate 0.1-2.
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 is by reasonably matching and the combination of each component, it is possible to increase the circulation of the charge acceptance and battery of electrolyte
Service life.
It is introduced below by specific embodiment.
Embodiment 1
The Colliod electrolyte for accumulator that the present embodiment provides, include the component of following parts by weight：The sulfuric acid is 50 weight
Part, nanometer grade silica is 10 parts by weight, the parts by weight of polyvinyl alcohol 0.1, and ultra-fine fibre glass is 2 parts by weight, boric acid 0.5
Parts by weight, phosphoric acid are 0.3 parts by weight, and sodium sulphate is 1 parts by weight, and water is 70 parts by weight, and antimony oxide is 1 parts by weight, sulfuric acid
Stannous is 0.1 parts by weight.
Embodiment 2
The Colliod electrolyte for accumulator that the present embodiment provides, include the component of following parts by weight：The sulfuric acid is 100 weight
Part, nanometer grade silica is 30 parts by weight, and the parts by weight of polyvinyl alcohol 2, ultra-fine fibre glass is 5 parts by weight, and boric acid is 3 weight
Part, phosphoric acid is 2 parts by weight, and sodium sulphate is 10 parts by weight, and water is 150 parts by weight, and antimony oxide is 5 parts by weight, stannous sulfate
For 2 parts by weight.
Embodiment 3
The Colliod electrolyte for accumulator that the present embodiment provides, include the component of following parts by weight：The sulfuric acid is 70 weight
Part, nanometer grade silica is 25 parts by weight, and the parts by weight of polyvinyl alcohol 1, ultra-fine fibre glass is 3 parts by weight, and boric acid is 1 weight
Part, phosphoric acid is 1 parts by weight, and sodium sulphate is 5 parts by weight, and water is 100 parts by weight, and antimony oxide is 3 parts by weight, and stannous sulfate is
1 parts by weight.
Wherein it should be noted that in the above-described embodiments the concentration of the phosphoric acid be 75%, the sulfuric acid it is dense
Spend for 90%.
Comparative example 1
Ultra-fine fibre glass and antimony oxide are not put in this comparative example 1, while the sulfuric acid is 100 parts by weight, is received
Meter level silica is 30 parts by weight, the parts by weight of polyvinyl alcohol 2, and boric acid is 3 parts by weight, and phosphoric acid is 2 parts by weight, sodium sulphate 10
Parts by weight, water are 150 parts by weight, and stannous sulfate is 2 parts by weight.
Measure of merit
The performance of above-described embodiment and the Colliod electrolyte for accumulator of comparative example preparation is determined respectively.
Test result is as shown in table 1.
Table 1
The Colliod electrolyte for accumulator that data in table 1 can be seen that technical scheme offer originally can
It is significant to improve service life cycle；SiO in colloidal electrolyte wherein of the present invention2Content is high, and is added with stabilizing polymer
Agent and hydrophily ultra-fine fibre glass, stronger network structure is established with sulfuric acid, hydrone, macromolecule stabilizer effectively prevents respectively
Kind component layering, prevents colloidal electrolyte aquation, and ultra-fine fibre glass " is strengthened in colloidal electrolyte as colloidal electrolyte
Muscle ", effectively prevent colloidal electrolyte from seriously ftractureing, strengthen colloid tensile strength and anti-vibration performance, its stronger imbibition ability
Improve electrolyte diffusion and transmission speed.This network structure is in stable state, the smaller energy in aperture during cycle charging
The dust and lead ion for preventing to dissociate in pole plate largely spread, and charge acceptance are improved, so as to improve following for battery
The ring life-span.By adding nanometer grade silica (SiO in colloidal electrolyte2), turn into the main component of gel, there is absorption
The effect of sulfuric acid, improving discharging product makes it regenerate lead sulfate (PbSO4), the number of its content is directly affected in electrolyte
Porosity, content increase prevent floating powder and the lead ion (Pb on pole plate to reduce aperture4+) spread and cause short circuit；Add sulfuric acid
Sodium (Na2SO4), dissolving forms (SO4 2-) ion, there is " common-ion effect " to play and prevent lead sulfate (PbSO4) dissolution, prevent from producing
Raw short circuit phenomenon；Addition macromolecule stabilizer, which has, in colloidal electrolyte prevents nanometer grade silica (SiO2) and other things
The effect of matter precipitation, while also have the function that to keep moisture, dehydration is reduced, and gel is participated in, play fastening pole plate, protection pole
The effect of plate；Addition boric acid and phosphoric acid effectively can prevent colloidal electrolyte from going bad, and keep its chemical stability；Add superfine glass
Chopped fiber, it is evenly distributed in electrolyte, because it has preferable adsorption capacity to various materials, and has preferably strong
Degree, plays a part of " reinforcement ", can strengthen the tensile strength of colloidal electrolyte, effectively can prevent colloidal electrolyte from seriously ftractureing
Phenomenon, and be advantageous to the diffusion of electrolyte intermediate ion；The main component in formula also has sulfuric acid (H in addition2SO4) and water, it is as filling
The reactant of electric discharge.Macromolecule stabilizer can use polyvinyl alcohol or polyacrylamide.
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 Colliod electrolyte for accumulator, it is characterised in that include the component of following parts by weight：Sulfuric acid 50-100, nanoscale
Silica 1 0-30, polyvinyl alcohol 0.1-2, ultra-fine fibre glass 2-5, boric acid 0.5-3, phosphoric acid 0.3-2, sodium sulphate 1-10, water
70-150, antimony oxide 1-5, stannous sulfate 0.1-2.
2. Colliod electrolyte for accumulator according to claim 1, it is characterised in that：The sulfuric acid is 50 parts by weight, nanometer
Grade silicon dioxide is 10 parts by weight, and the parts by weight of polyvinyl alcohol 0.1, ultra-fine fibre glass is 2 parts by weight, and boric acid is 0.5 parts by weight,
Phosphoric acid is 0.3 parts by weight, and sodium sulphate is 1 parts by weight, and water is 70 parts by weight, and antimony oxide is 1 parts by weight, and stannous sulfate is
0.1 parts by weight.
3. Colliod electrolyte for accumulator according to claim 1, it is characterised in that：The sulfuric acid is 100 parts by weight, nanometer
Grade silicon dioxide is 30 parts by weight, the parts by weight of polyvinyl alcohol 2, and ultra-fine fibre glass is 5 parts by weight, and boric acid is 3 parts by weight, phosphoric acid
For 2 parts by weight, sodium sulphate is 10 parts by weight, and water is 150 parts by weight, and antimony oxide is 5 parts by weight, and stannous sulfate is 2 weight
Part.
4. Colliod electrolyte for accumulator according to claim 1, it is characterised in that：The sulfuric acid is 70 parts by weight, nanometer
Grade silicon dioxide is 25 parts by weight, the parts by weight of polyvinyl alcohol 1, and ultra-fine fibre glass is 3 parts by weight, and boric acid is 1 parts by weight, phosphoric acid
For 1 parts by weight, sodium sulphate is 5 parts by weight, and water is 100 parts by weight, and antimony oxide is 3 parts by weight, and stannous sulfate is 1 weight
Part.
5. Colliod electrolyte for accumulator according to claim 1, it is characterised in that：The concentration of the phosphoric acid is 75%, institute
The concentration for stating sulfuric acid is 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015682.3A CN107706451A (en) | 2017-10-26 | 2017-10-26 | A kind of Colliod electrolyte for accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711015682.3A CN107706451A (en) | 2017-10-26 | 2017-10-26 | A kind of Colliod electrolyte for accumulator |
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| Publication Number | Publication Date |
|---|---|
| CN107706451A true CN107706451A (en) | 2018-02-16 |
Family
ID=61181572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711015682.3A Pending CN107706451A (en) | 2017-10-26 | 2017-10-26 | A kind of Colliod electrolyte for accumulator |
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| Country | Link |
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| CN (1) | CN107706451A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117335017A (en) * | 2023-11-09 | 2024-01-02 | 旭派电源有限公司 | Polymer colloid electrolyte of lead-acid battery and preparation method thereof |
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 |
| CN101478057A (en) * | 2009-01-15 | 2009-07-08 | 公平 | Gel special for gel battery production |
| RU2530266C1 (en) * | 2012-10-16 | 2014-10-10 | Николай Евгеньевич Староверов | Structural accumulator battery (versions) |
-
2017
- 2017-10-26 CN CN201711015682.3A patent/CN107706451A/en active Pending
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 |
| CN101478057A (en) * | 2009-01-15 | 2009-07-08 | 公平 | Gel special for gel battery production |
| RU2530266C1 (en) * | 2012-10-16 | 2014-10-10 | Николай Евгеньевич Староверов | Structural accumulator battery (versions) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117335017A (en) * | 2023-11-09 | 2024-01-02 | 旭派电源有限公司 | Polymer colloid electrolyte of lead-acid battery and preparation method thereof |
| CN117335017B (en) * | 2023-11-09 | 2024-06-25 | 旭派电源有限公司 | Polymer colloid electrolyte of lead-acid battery and preparation method thereof |
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