CN105977550A - Full-colloidal electrolyte of lead-acid storage battery and preparation method of full-colloidal electrolyte - Google Patents
Full-colloidal electrolyte of lead-acid storage battery and preparation method of full-colloidal electrolyte Download PDFInfo
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- CN105977550A CN105977550A CN201610477958.9A CN201610477958A CN105977550A CN 105977550 A CN105977550 A CN 105977550A CN 201610477958 A CN201610477958 A CN 201610477958A CN 105977550 A CN105977550 A CN 105977550A
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- colloidal electrolyte
- full
- lead
- silicon dioxide
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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
-
- 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)
Abstract
The invention discloses full-colloidal electrolyte of a lead-acid storage battery and a preparation method of the full-colloidal electrolyte. The full-colloidal electrolyte is prepared from 37 to 60 percent of sulfuric acid, 1 to 1.5 percent of silicon dioxide, 0.6 to 1.2 percent of sodium sulfate, 0.02 to 0.8 percent of a stabilizer, 0.1 to 1 percent of potassium sulfate and 40 to 60 percent of deionized water, wherein silicon dioxide is a combination of particles with two particle sizes, and the stabilizer is a combination of polyacrylamide and polyacrylic acid. The storage battery with the full-colloidal electrolyte prepared by the preparation method is long in service life, and can be cyclically charged and discharged for more times under a low-temperature environment.
Description
Technical field
The present invention relates to a kind of battery electrolyte and preparation method thereof, especially a kind of full colloidal electrolyte of lead-acid accumulator and preparation method thereof.
Background technology
At present, battery at people's motorcycle battery used in everyday or electric bicycle uses lead-acid accumulator as power source mostly, and domestic lead-acid accumulator is electrolyte or hemicolloid electrolyte, but electrolyte or even hemicolloid electrolyte are at inside battery skewness, charge capacity is more weak, and service life is short, cannot degrade, and the most easily freeze, it is impossible to electric discharge is bigger by external environment influence.At present, the electrolyte of lead-acid accumulator is also unable to reach full colloid, it is higher to technological requirement, half curdled appearance can only be tended in its manufacturing process, relative to liquid electrolyte, although add circulation discharge time and service life, but cannot use in certain circumstances, and cannot degrade, pollute soil property.
Colloid battery, due to advantages such as its long-life, low percentage of water loss, low self-discharge rates, gradually becomes a kind of trend new technique of battery industry, and gradually replaces traditional liquid cell technology.One of most critical technology of colloid battery is exactly colloidal electrolyte technology.Some improving technologies, as earlier application CN103633379A of the applicant discloses a kind of full colloidal electrolyte of lead-acid accumulator, including sulphuric acid 37% ~ 60%, silica 1 % ~ 1.5%, sodium sulfate 0.6% ~ 1.2%, acrylamide 0.02% ~ 0.8%, potassium sulfate 0.1% ~ 1% and deionized water 40% ~ 60%.Prepared full colloidal electrolyte accumulator is long for not only service life, and high-and low-temperature resistance environment uses, degradable.But, for improving the technical problem being still that those skilled in the art are urgently to be resolved hurrily service life under the service life of accumulator, particularly low temperature environment the most further.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, in order to a kind of service life is long, the particularly full colloidal electrolyte of lead-acid accumulator of low temperature environment length in lower service life.In order to realize the purpose of the present invention, intend adopting the following technical scheme that
One aspect of the present invention relates to a kind of full colloidal electrolyte of lead-acid accumulator, described electrolyte by mass percentage, is made up of sulphuric acid 37% ~ 60%, silica 1 % ~ 1.5%, sodium sulfate 0.6% ~ 1.2%, stabilizer 0.02% ~ 0.8%, potassium sulfate 0.1% ~ 1% and deionized water 40% ~ 60%；It is characterized in that described silicon dioxide is made up of the silicon dioxide microparticle of two kinds of different mean diameters；Stabilizer is made up of polyacrylamide and polyacrylic acid.
In a preferred embodiment of the present invention, the silicon dioxide microparticle that described silicon dioxide is 10-30nm by mean diameter and mean diameter is 80-120nm forms.
In a preferred embodiment of the present invention, it is characterised in that the weight ratio of the silicon dioxide microparticle of two kinds of particle diameters is 1-2:1-2；It is preferably 1:1.
In a preferred embodiment of the present invention, it is characterised in that described polyacrylamide and polyacrylic weight ratio are 1-2:1-2；It is preferably 1:1.
Another aspect of the present invention further relates to the preparation method of the full colloidal electrolyte of above-mentioned lead-acid accumulator, comprises the steps:
Step 1, first mixes sulphuric acid and deionized water, and liquid temp to be mixed is evacuated in container by formula proportion requirement weight after being reduced to room temperature, then is sequentially added into formula desired additives sodium sulfate, stabilizer, potassium sulfate by formula proportion requirement；
Step 2, stirring liquid in container 3 ~ 5 minutes, after container inner additive dissolves, add silicon dioxide；
Step 3, after all interpolation materials are completely dissolved into liquid, the liquid in stirring liquid in container 5 ~ 7 minutes to container is uniformly and the most block object, mixing time to be extended；
Step 4, is evacuated to the glue being tentatively stirred in agitator, stirs 3 ~ 5 minutes with the blender of rotating speed 800 turns；
Step 5, is evacuated to the glue being stirred store up glue tank, starts the Pneumatic mixing device in storage glue tank, makes the glue in storage glue tank be constantly in pneumatic stirring state, stand-by injecting glue.
In a preferred embodiment of the present invention, it is characterized in that: during injecting glue, guarantee the concordance of battery single hole injecting glue amount, after injecting glue completes, within static more than 12 hours, can charge, and need strictly to control battery temperature, if temperature is more than 50 DEG C, charging should be suspended immediately, being further continued for charging after temperature reduces, after needing static 12 hours after charging complete, lid valve seals.
Beneficial effects of the present invention include following one, two kinds or all:
Electrolyte the most of the present invention is full colloidal electrolyte, and it is evenly distributed, and charge capacity is higher, and circulation discharge time is relatively strong, and service life is greatly enhanced；
2. full colloidal electrolyte, will not freeze at low ambient temperatures, not affected by ambient temperature, applied widely, minimum can use in the environment of-55 DEG C, and under cryogenic conditions, use cycle charge-discharge number of times is higher；
3. full colloidal electrolyte internal structure is stable, it is to avoid thermal runaway phenomenon, and weak to pole plate corrosiveness；
4. have fewer environmental impacts after degradable, and degraded, more environmentally-friendly.
Detailed description of the invention
If not specified, that technological means used in embodiment is well known to those skilled in the art conventional means.
Embodiment 1:
The electrolyte of the full colloidal electrolyte of a kind of lead-acid accumulator is by mass percentage, being made up of sulphuric acid 50%, silica 1 .2%, sodium sulfate 1%, stabilizer 0.4%, potassium sulfate 0.5% and balance deionized water, described silicon dioxide is that the silicon dioxide granule of mean diameter 20nm and 100nm forms according to weight ratio 1:1；Stabilizer is made up of the polyacrylamide that weight ratio is 1:1 and polyacrylic acid.
Its preparation concretely comprises the following steps:
Step 1, first mixes sulphuric acid and deionized water, and liquid temp to be mixed is evacuated in container by formula proportion requirement weight after being reduced to ambient temperature, then is sequentially added into formula desired additives sodium sulfate, stabilizer, potassium sulfate by formula proportion requirement.
Step 2, liquid 3 ~ 5 minutes in agitation vessel, after container inner additive dissolves, add the silicon dioxide of ratio needed for formula.
Step 3, after all interpolation materials are completely dissolved into liquid, the liquid inside agitation vessel 5-7 minute, guarantee the liquid uniformly the most block object of receptacle, the time of agitation to be extended, till obtaining uniform liquid, and every nook and cranny is required for thoroughly stirring uniformly always.
Step 4, is pumped into the glue corrosion prevention water pump tentatively stirred in agitator, then stirs 3-5 minute with 800 turns of blenders of rotating speed.
Step 5, the glue suction storage glue tank that will be stirred, start the pneumatic stirring valve in storage glue tank, make the glue in storage glue tank be constantly in pneumatic stirring state stand-by.
Comparative example 1-5
Comparative example 1 uses the silicon dioxide of 20nm mean diameter, the other the same as in Example 1；
Comparative example 2 uses the silicon dioxide of 100nm mean diameter, the other the same as in Example 1；
Comparative example 3 uses polyacrylamide as stabilizer, the other the same as in Example 1；
Comparative example 4 uses polyacrylic acid as stabilizer, the other the same as in Example 1；
Comparative example 5: use the silicon dioxide of 20nm mean diameter and use polyacrylamide as stabilizer, the other the same as in Example 1.
Battery performance: the colloid of 3 embodiments and 2 comparative examples is joined in identical motorcycle starting battery MG51913 battery as electrolyte, according to GB/T
Cyclic endurance (discharge and recharge under the conditions of-18 DEG C) under cyclic endurance and low temperature environment under 23638-2009 " motorcycle starting lead-acid accumulator " test normal temperature environment, wherein using comparative example 5 as benchmark, its testing result is designated as 100%, each embodiment and comparative example are repeated 3 times, test result is averaged, and test result is as follows:
| Experiment group | Room temperature cyclic endurance | Cold cycle endurance |
| Comparative example 5 | 100% | 100% |
| Embodiment 1 | 130% | 140% |
| Comparative example 1 | 110% | 130% |
| Comparative example 2 | 108% | 126% |
| Comparative example 3 | 120% | 114% |
| Comparative example 4 | 125% | 118% |
From the point of view of testing result, using the silicon dioxide colloidal electrolyte compared to a kind of particle diameter silicon dioxide of employing of two kinds of particle diameters, its room temperature cyclic endurance is obviously enhanced；Use polyacrylamide and polyacrylic acid combination can be obviously enhanced cold cycle endurance as stabilizer.
The above is the preferred embodiments of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. the full colloidal electrolyte of lead-acid accumulator, described electrolyte by mass percentage, is made up of sulphuric acid 37% ~ 60%, silica 1 % ~ 1.5%, sodium sulfate 0.6% ~ 1.2%, stabilizer 0.02% ~ 0.8%, potassium sulfate 0.1% ~ 1% and deionized water 40% ~ 60%；It is characterized in that described silicon dioxide is made up of the silicon dioxide microparticle of two kinds of different mean diameters；Stabilizer is made up of polyacrylamide and polyacrylic acid.
The full colloidal electrolyte of lead-acid accumulator the most according to claim 1, it is characterised in that the silicon dioxide microparticle that described silicon dioxide is 10-30nm by mean diameter and mean diameter is 80-120nm forms.
The full colloidal electrolyte of lead-acid accumulator the most according to claim 2, it is characterised in that the weight ratio of the silicon dioxide microparticle of two kinds of particle diameters is 1-2:1-2；It is preferably 1:1.
4. according to the full colloidal electrolyte of lead-acid accumulator described in claim 1-3 any one, it is characterised in that described polyacrylamide and polyacrylic weight ratio are 1-2:1-2；It is preferably 1:1.
5., according to the preparation method of the full colloidal electrolyte of lead-acid accumulator described in claim 1-4 any one, complete step as follows:
Step 1, first mixes sulphuric acid and deionized water, and liquid temp to be mixed is evacuated in container by formula proportion requirement weight after being reduced to room temperature, then is sequentially added into formula desired additives sodium sulfate, stabilizer, potassium sulfate by formula proportion requirement；
Step 2, stirring liquid in container 3 ~ 5 minutes, after container inner additive dissolves, add silicon dioxide；
Step 3, after all interpolation materials are completely dissolved into liquid, the liquid in stirring liquid in container 5 ~ 7 minutes to container is uniformly and the most block object, mixing time to be extended；
Step 4, is evacuated to the glue being tentatively stirred in agitator, stirs 3 ~ 5 minutes with the blender of rotating speed 800 turns；
Step 5, is evacuated to the glue being stirred store up glue tank, starts the Pneumatic mixing device in storage glue tank, makes the glue in storage glue tank be constantly in pneumatic stirring state, stand-by injecting glue.
The preparation method of the full colloidal electrolyte of a kind of lead-acid accumulator the most according to claim 5, it is characterized in that: during injecting glue, guarantee the concordance of battery single hole injecting glue amount, after injecting glue completes, within static more than 12 hours, can charge, and need strictly to control battery temperature, if temperature is more than 50 DEG C, charging should be suspended immediately, being further continued for charging after temperature reduces, after needing static 12 hours after charging complete, lid valve seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477958.9A CN105977550A (en) | 2016-06-27 | 2016-06-27 | Full-colloidal electrolyte of lead-acid storage battery and preparation method of full-colloidal electrolyte |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610477958.9A CN105977550A (en) | 2016-06-27 | 2016-06-27 | Full-colloidal electrolyte of lead-acid storage battery and preparation method of full-colloidal electrolyte |
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| CN105977550A true CN105977550A (en) | 2016-09-28 |
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| CN201610477958.9A Pending CN105977550A (en) | 2016-06-27 | 2016-06-27 | Full-colloidal electrolyte of lead-acid storage battery and preparation method of full-colloidal electrolyte |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785086A (en) * | 2016-12-02 | 2017-05-31 | 常熟市万隆电源技术研发有限公司 | A kind of plumbic acid colloid storage battery electrolyte preparation method |
| CN106941195A (en) * | 2017-03-27 | 2017-07-11 | 浙江南都电源动力股份有限公司 | Saddle of lead-acid accumulator and preparation method thereof and lead-acid accumulator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003178794A (en) * | 2001-12-12 | 2003-06-27 | Japan Storage Battery Co Ltd | Production process of sealed lead acid storage battery |
| CN1738092A (en) * | 2005-07-13 | 2006-02-22 | 扬州华富实业有限公司 | Nanometer silicon oxide colloid electrolyte for lead-acid storage battery and its preparing method |
| CN101630752A (en) * | 2009-08-04 | 2010-01-20 | 武汉银泰科技电源股份有限公司 | Lead-acid accumulator colloid additive |
| CN103633379A (en) * | 2013-11-29 | 2014-03-12 | 汕头市毅和电源科技有限公司 | Totally-gelled electrolyte for lead-acid storage battery and preparation method for totally-gelled electrolyte |
-
2016
- 2016-06-27 CN CN201610477958.9A patent/CN105977550A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003178794A (en) * | 2001-12-12 | 2003-06-27 | Japan Storage Battery Co Ltd | Production process of sealed lead acid storage battery |
| CN1738092A (en) * | 2005-07-13 | 2006-02-22 | 扬州华富实业有限公司 | Nanometer silicon oxide colloid electrolyte for lead-acid storage battery and its preparing method |
| CN101630752A (en) * | 2009-08-04 | 2010-01-20 | 武汉银泰科技电源股份有限公司 | Lead-acid accumulator colloid additive |
| CN103633379A (en) * | 2013-11-29 | 2014-03-12 | 汕头市毅和电源科技有限公司 | Totally-gelled electrolyte for lead-acid storage battery and preparation method for totally-gelled electrolyte |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785086A (en) * | 2016-12-02 | 2017-05-31 | 常熟市万隆电源技术研发有限公司 | A kind of plumbic acid colloid storage battery electrolyte preparation method |
| CN106941195A (en) * | 2017-03-27 | 2017-07-11 | 浙江南都电源动力股份有限公司 | Saddle of lead-acid accumulator and preparation method thereof and lead-acid accumulator |
| CN106941195B (en) * | 2017-03-27 | 2020-06-23 | 浙江南都电源动力股份有限公司 | Saddle of lead-acid storage battery, preparation method of saddle and lead-acid storage battery |
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Application publication date: 20160928 |
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