CN105355986B - A kind of non-maintaining nano-colloid storage battery of high power capacity - Google Patents
A kind of non-maintaining nano-colloid storage battery of high power capacity Download PDFInfo
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- CN105355986B CN105355986B CN201510686164.9A CN201510686164A CN105355986B CN 105355986 B CN105355986 B CN 105355986B CN 201510686164 A CN201510686164 A CN 201510686164A CN 105355986 B CN105355986 B CN 105355986B
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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
- H01M10/10—Immobilising of 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
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
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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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Abstract
The invention discloses a kind of non-maintaining nano-colloid storage batteries of high power capacity, including anode, cathode, diaphragm, electrolyte and battery case.The electrolyte system is made of in mass ratio following components：Sulfuric acid 42~54, pure water 48~58, nano silicon dioxide 0.8~3, surfactant 0.008~0.3, stabilizer 0.05~0.1, anti-internal resistance additive 0.008~0.013, functional high molecule material 0.02~0.04, film forming accelerating 0.01~0.035.The present invention thoroughly solves the problems, such as the sulfuric acid stratification that conventional lead acid battery occurs, and has delayed pole plate corrosion and passivation, reduces self-discharge processes.Good fluidity after the electrolyte high-speed stirred is conducive to perfusion, and can avoid traditional colloid battery perfusion difficulty, infiltration is irregular, the disadvantage of easily scarce liquid rapidly to pole plate percdation.Have that thixotropy is good, internal resistance is low with the battery of the electrolyte filling, the series of advantages such as self discharge is small, low temperature resistant and performance is good.
Description
Technical field
The present invention relates to a kind of nano-colloid storage battery, specifically a kind of non-maintaining nano-colloid storage battery of high power capacity belongs to
In electrochemical field.
Background of invention
Lead-acid accumulator has had more than 100 years history since 1958 by invention.Lead-acid accumulator has structure letter
The advantages that list, dependable performance, easy to use, raw material are easy to get and are cheap, is widely used in communications and transportation, communication and national defence
Etc. various fields in national economy, it has also become indispensable energy products in social production and human lives.
Five big component parts of lead-acid accumulator are anode, cathode, diaphragm, electrolyte and battery case, wherein electrolyte
It is one of the principal element for influencing battery performance.
Colloidal electrolyte have nonflowing character, not leakiness acid, can prevent active material from falling off, reduce self discharge, is low temperature resistant
The advantages that performance is good, extension battery life, has apparent advantage in application process.However for colloid battery, most close
The technology of key is the formula of colloidal electrolyte, and different formulas influences the performance of colloid battery very big.Domestic production at present
Colloidal electrolyte is manufactured colloidal electrolyte there are thixotropy poor, easy aquation, old mainly using sulfuric acid and Ludox as primary raw material
Phenomena such as changing fast, easily dry and generation cracking, causes accumulator internal resistance to increase, and heavy-current discharge performance declines, and self discharge is fast, electricity
Tankage declines, reduced service life.
Invention content：
In order to overcome above-mentioned deficiency, the present invention relates to a kind of non-maintaining nano-colloid storage battery of high power capacity, including anode,
Cathode, diaphragm, electrolyte and battery case.
The electrolyte be a kind of acidity it is stable, not aquation, be not cracked, not stratified nano-colloid electrolyte, it is specific to wrap
Include following components by weight percent：Sulfuric acid 42~54, pure water 48~58, nano silicon dioxide 0.8~3, surfactant 0.008~0.3,
Stabilizer 0.05~0.1, anti-internal resistance additive 0.008~0.013, functional high molecule material 0.02~0.04, film forming accelerating
0.01~0.035.
Preferred weight group is divided into：Sulfuric acid 43.89, water 54.9, nano silicon dioxide 1.0, surfactant 0.07, stabilizer
0.08, anti-internal resistance additive 0.01, functional high molecule material 0.03, film forming accelerating 0.02.
The surfactant is polyethylene glycol.
The stabilizer is the polyacrylamide of hydrophobically modified, can also be polyacrylamide.
The anti-internal resistance additive is oxynaphthoic acid.
The functional high molecule material is o-methoxybenzaldehyde.
The film forming accelerating is one of potassium nitrate, sodium nitrate or combination.
The non-maintaining electrolyte of nano-colloid storage battery of high power capacity is prepared, is included the following steps：
(1) it takes surfactant polyethylene and stabilizer to be added in pure water according to the above ratio, dissolves by heating postcooling, obtain
To solution A；
(2) quantitative pure water is taken, internal resistance additive oxynaphthoic acid, functional high molecule material neighbour's methoxy are added under agitation
Benzaldehyde and film forming accelerating, stir to get solution B；
(3) quantitative pure water is taken, it is 98% concentrated sulfuric acid, stirring that mass fraction is slowly added under high speed dispersor stirring condition
It is cooled to 35~60 DEG C；Nano silicon dioxide, stirring are added, stirring linear velocity is maintained at 5~25m/s；
(4) solution A and solution B are added in high speed dispersor, continue stirring 0.5~5 hour.
The present invention relates to a kind of non-maintaining nano-colloid storage batteries of high power capacity, including above-mentioned colloidal electrolyte of lead acid accumulator
Or the colloidal electrolyte of lead acid accumulator prepared according to the preparation method of above-mentioned colloidal electrolyte of lead acid accumulator.The present invention is to institute
Lead-acid accumulator is stated to be not particularly limited anode, cathode, diaphragm and battery case etc..The lead-acid accumulator is preferably under
State method acquisition：After obtaining colloidal electrolyte of lead acid accumulator, the present invention is injected into using acid filling machine in battery, obtains Gao Rong
Measure non-maintaining nano-colloid storage battery.
Beneficial effects of the present invention：Using the above method prepare nano-colloid electrolyte, nano silicon dioxide mainly according to
By Hydrogenbond, the advantages of three-dimensional net structure is as skeleton is formed, the electrolyte is wrapped in the three-dimensional of above-mentioned substance formation
In network structure, invertibity and stability with gel.Due to adding internal resistance additive α-in the nano-colloid electrolyte
Naphthols acid and functional polymer o-methoxybenzaldehyde thoroughly solve the sulfuric acid stratification that conventional lead acid battery generally occurs and ask
Topic.The accumulator prepared with the nano-colloid electrolyte, can delay pole plate corrosion and passivation, the addition of film forming accelerating that can reduce
Self discharge has good thixotropic property, and internal resistance is low, and self discharge is small, overdischarge recovery capability is strong, and low temperature resistant and performance is good,
Phenomena such as common aquation of common colloid, cracking, can repair automatically.Good fluidity after high-speed stirred is conducive to perfusion, and can be rapid
To pole plate percdation, the disadvantage that traditional colloid battery perfusion is difficult, infiltration is irregular, easily lacks liquid is avoided, electricity is substantially prolonged
The service life in pond.
Specific implementation mode：
The present invention is further described with reference to embodiment, following embodiment is descriptive, is not limited
, protection scope of the present invention cannot be limited with this.
Embodiment 1：
1, choose polyethylene glycol and hydrophobically modified polyacrylamide, be by weight ratio in nano-colloid electrolyte per ton
0.07 and 0.08 sampling, is added appropriate pure water, dissolves by heating postcooling, is solution A.
2, oxynaphthoic acid, o-methoxybenzaldehyde and potassium nitrate are chosen, is by weight ratio in nano-colloid electrolyte per ton
0.01, pure water is added in 0.03,0.02 sampling, dissolves by heating postcooling, is solution B.
3, by the weight ratio of nano-colloid electrolyte each component per ton, appropriate pure water is weighed in high speed dispersor：It is added
The analytical pure sulfuric acid that weight ratio is 43.89, stirring are cooled to 35~60 DEG C, and the nano silicon dioxide that weight ratio is 1 is added, high speed
Stirring 2 hours, stirring linear velocity are maintained at 20m/s.
4, solution A and solution B are added in blender, continue stirring 3 hours, obtain nano-colloid electricity proposed by the present invention
Solve liquid.
Embodiment 2：
1, polyethylene glycol and polyacrylamide are chosen, is taken for 0.012 and 0.1 by weight ratio in nano-colloid electrolyte per ton
Pure water is added in sample, dissolves by heating postcooling, is solution A.
2, oxynaphthoic acid, o-methoxybenzaldehyde and sodium nitrate are chosen, by weight ratio in nano-colloid electrolyte per ton
0.008, pure water is added in 0.02 and 0.015 sampling, dissolves by heating postcooling, is solution B.
3, by the mass percent of nano-colloid electrolyte each component per ton, appropriate pure water is weighed in high speed dispersor：
The analytical pure sulfuric acid that weight ratio is 43.6 is added, stirring is cooled to 35~60 DEG C, and the nanometer titanium dioxide that weight ratio is 0.9 is added
Silicon, high-speed stirred 2 hours, stirring linear velocity are maintained at 20m/s.
4, solution A and solution B are added in blender, continue stirring 1.5 hours, obtains nano-colloid proposed by the present invention
Electrolyte.
Performance test：Nano-colloid electrolyte and general electrolytic liquid that embodiment 1,2 obtains is respectively adopted according to conventional side
Method is prepared into accumulator, and test performance respectively, as a result such as following table：
| Inspection project | Nano-colloid electrolyte battery | General electrolytic solution battery |
| 2h rates capacity (Ah) | 13.1-13.6 | 12.5-12.9 |
| It is large current discharge (min) | 34-40 | 30-35 |
| Charged holding (%) | 92—99 | 88—91 |
| - 15 DEG C of low temperature capacities (C2) | 0.88—0.94 | 0.75-0.80 |
Although above-mentioned elaborate the present invention, but not limited to this, those skilled in the art can basis
The principle of the present invention is modified, and therefore, the various modifications that all principles according to the invention carry out all should be understood as falling into this
The protection domain of invention.
Claims (3)
1. a kind of non-maintaining nano-colloid storage battery of high power capacity, which is characterized in that including anode, cathode, diaphragm, electrolyte and electricity
Pond shell；Electrolyte used be nano-colloid electrolyte, the electrolyte by following components by weight percent material composition：Sulfuric acid 42~
54, pure water 48~58, nano silicon dioxide 0.8~3, surfactant 0.008~0.3, stabilizer 0.05~0.1, anti-internal resistance
Additive 0.008~0.013, functional high molecule material 0.02~0.04, film forming accelerating 0.01~0.035；
The surfactant is polyethylene glycol；
The film forming accelerating is one of sodium nitrate, potassium nitrate or combination；
The stabilizer is the polyacrylamide or polyacrylamide of hydrophobically modified；
The anti-internal resistance additive is oxynaphthoic acid；
The functional high molecule material is o-methoxybenzaldehyde.
2. the non-maintaining nano-colloid storage battery of high power capacity according to claim 1, which is characterized in that the nano-colloid electricity
Solving liquid components by weight percent is：Sulfuric acid 43.89, water 54.9, nano silicon dioxide 1.0, surfactant 0.07, stabilizer 0.08 resist
Internal resistance additive 0.01, functional high molecule material 0.03, film forming accelerating 0.02.
3. the non-maintaining nano-colloid storage battery of high power capacity according to claim 1, which is characterized in that nano-colloid electrolyte
Preparation method includes the following steps：
(1) it takes surfactant polyethylene and stabilizer to be proportionally added into pure water, dissolves by heating postcooling, obtain solution A；
(2) quantitative pure water is taken, anti-internal resistance additive oxynaphthoic acid, functional high molecule material O-methoxy are added under agitation
Benzaldehyde and film forming accelerating, stir to get solution B；
(3) take quantitative pure water in high speed dispersor, under stirring condition, it is 98% concentrated sulfuric acid, stirring to be slowly added to mass fraction
It is cooled to 35~60 DEG C；Nano silicon dioxide, stirring are added, stirring linear velocity is maintained at 5~25m/s；
(4) solution A and solution B are added in high speed dispersor, continue stirring 0.5~5 hour.
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| CN105355986B true CN105355986B (en) | 2018-08-10 |
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| CN105811023A (en) * | 2016-05-25 | 2016-07-27 | 江苏帕维电动科技有限公司 | Nano-colloidal storage battery electrolyte |
| CN106450500B (en) * | 2016-12-02 | 2019-06-07 | 常熟市万隆电源技术研发有限公司 | A kind of plumbic acid colloid storage battery electrolyte |
| CN108550798A (en) * | 2018-03-23 | 2018-09-18 | 安徽海容电源动力股份有限公司 | A kind of environment-protective process using the regeneration high energy-storage accumulator polar plate of novel nano colloid |
| CN108493496A (en) * | 2018-04-09 | 2018-09-04 | 海志电源技术（赣州）有限公司 | A kind of high-performance nano colloid power battery and preparation method |
| CN108493494B (en) * | 2018-04-26 | 2020-04-10 | 天能集团（河南）能源科技有限公司 | Electrolyte for prolonging service life of lead-acid storage battery and preparation method thereof |
| CN110233300B (en) * | 2019-06-18 | 2021-06-08 | 常熟市万隆电源技术研发有限公司 | High-capacity low-temperature-resistant colloid electrolyte and preparation method thereof |
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| CN1046175C (en) * | 1994-04-15 | 1999-11-03 | 于文学 | Colloidal electrolyte |
| CN101136491A (en) * | 2006-11-28 | 2008-03-05 | 创新能源技术（深圳）有限公司 | Colloidal electrolyte formula and its confecting technique for lead acid accumulator |
| CN101894979B (en) * | 2010-07-15 | 2012-07-18 | 山东康洋电源有限公司 | Electrolyte of nano-colloid storage battery |
| CN102013522B (en) * | 2010-11-15 | 2012-11-21 | 江苏贝思特动力电源有限公司 | Colloidal electrolyte for lead-acid storage battery |
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