CN106450503A - Formation method for maintenance-free lead-acid storage battery - Google Patents
Formation method for maintenance-free lead-acid storage battery Download PDFInfo
- Publication number
- CN106450503A CN106450503A CN201610790236.9A CN201610790236A CN106450503A CN 106450503 A CN106450503 A CN 106450503A CN 201610790236 A CN201610790236 A CN 201610790236A CN 106450503 A CN106450503 A CN 106450503A
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- China
- Prior art keywords
- battery
- acid
- maintenance
- free lead
- formation process
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01M10/12—Construction or manufacture
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a formation method for a maintenance-free lead-acid storage battery, belongs to the technical fields of formation and charging, and solves the problems of relatively high charging time consumption, uncontrollable evaporation of water, relatively thick acid mist, and the like. The formation method for the maintenance-free lead-acid storage battery comprises the steps of battery assembling, electrolyte pouring, electrifying and forming, wherein a temporary top cover is placed on the battery in the formation process; and the temporary top cover is consistent to a normal battery top cover, and has the effects of exhausting air, and slowing down volatilization of moisture and acid mist, keeping consistency of battery acid liquid level and density, reducing acid attachment on the surface of the battery, eliminating electric arc on the surface of the battery, and reducing fire risk of the battery. The formation method has the advantages of reducing water loss and acid mist volatilization in the formation process so as to ensure consistency of battery acid liquid level and acid specific gravity, ensuring temperature stability in the formation process of the battery, and lowering charging time in formation.
Description
Technical field
The invention belongs to formation charging technical field, relate to a kind of maintenance-free lead accumulator chemical synthesizing method.
Background technology
The conventional formation charging method of lead-acid accumulator has constant-current charge and constant-voltage charge.But deposit in existing technology
In problems with：1st, there is the charging interval long, most charging intervals need tens to two ten many hours more；2nd, in charging process
Water evaporation is uncontrollable, chemical conversion terminate after between each battery, between each single lattice of same battery acid solution position with acid than weight uniformity difference；
3rd, in being melted into, acid mist is relatively big, is attached to battery surface and easily forms small electric arc on battery, and serious meeting causes battery catches fire.
Content of the invention
It is an object of the invention to for existing lead acid battery charge is time-consuming, moisture evaporation is uncontrollable, acid mist is bigger
Problem, and a kind of maintenance-free lead accumulator chemical synthesizing method proposing.
The purpose of the present invention can be realized by following technical proposal：
A kind of maintenance-free lead accumulator chemical synthesizing method, it includes that battery assembles, the perfusion of electrolyte, becomes step to electrification
Suddenly, it is characterised in that placing temporary roof cover on the battery in formation process, temporary roof cover is consistent with normal battery top cover, tool
There iss exhaust and slow down moisture and acid mist volatilization, keep the uniformity of battery acid liquid level and density, reduce battery table simultaneously
Face acid attachment, eliminates battery surface electric arc, reduces battery catches fire risk.
As a kind of improvement of maintenance-free lead accumulator chemical synthesizing method of the present invention, the first step, pond formation process uses
Water bath heat preservation, cell row spacing should not be less than 30 millimeters, and this had both ensured that battery ambient had the water yield of abundance, also can guarantee that recirculated water
Circulation, by control circulating water temperature and flow, inside battery chemical conversion temperature in control formation process.
A kind of as maintenance-free lead accumulator chemical synthesizing method of the present invention improves, second step, if internal temperature of battery
Height, ON cycle water-cooling apparatus, increasing circulating water flow or the operation of two steps are carried out simultaneously；If internal temperature of battery is low,
Close circulating water cooling device, reduction circulating water flow or the operation of two steps to carry out simultaneously.
As a kind of improvement of maintenance-free lead accumulator chemical synthesizing method of the present invention, the 3rd step, formation process uses constant current
Two sections of charging methods, with positive/negative plate lead plaster contact area (i.e. contact surface positive plate area adds negative plate area) control chemical conversion
Electric current.
It as a kind of improvement of maintenance-free lead accumulator chemical synthesizing method of the present invention, the 4th step, is melted into the first stage：Battery
30min is first stood, it is ensured that pole plate fully reacts with sulfuric acid, is then charged with constant current for battery, current value after acid adding
Being controlled with positive/negative plate contact area, current density is 1.75A/dm2 (being adjusted according to different situations).Charging interval
Fill into completely with negative plate spongy lead be as the criterion (i.e. PbS04 content be less than 3%, chemical tool scraping polar board surface when, should show
Good lead sponge).Controlling internal temperature of battery in formation process and cannot be below 43 DEG C, peak temperature is more than 70 DEG C but can not surpass
Cross 82 DEG C.
A kind of as maintenance-free lead accumulator chemical synthesizing method of the present invention improves, the 5th step, and the chemical conversion first stage terminates
Rear standing 1 hour, to reduce cell voltage and internal temperature, subsequently into chemical conversion second stage：Same employing constant current fills
Electricity, current value is the 2/3 of first stage.Thoroughly being as the criterion with positive plate completion in charging interval, (PbS04 content is less than 8%, does not live
Property material soften sign, display PbS04 polar board surface area be less than 10%).Formation process controls internal temperature of battery
Cannot be below 32 DEG C, peak temperature is more than 66 DEG C.
Compared with prior art, this maintenance-free lead accumulator chemical synthesizing method has the following advantages：1st, electricity in formation process
Temporary roof cover is placed in pond, reduces moisture loss and acid mist in formation process and volatilizees, thus ensures battery acid liquid level and acid proportion
Uniformity, reduces battery surface acid attachment simultaneously, eliminates the generation of battery surface electric arc, reduce the risk of battery catches fire；2nd, adopt
With water-bath chemical conversion, controlled cooling and the insulation of battery by regulating water flow, it is ensured that temperature stabilization in battery forming process；3、
Control forming current by positive/negative plate lead plaster contact area, use big electric current constant current two-part to charge, when reducing formation charging
Between.
Detailed description of the invention
First placing temporary roof cover before Battery formation, temporary roof cover is consistent with normal battery top cover, has exhaust and slows down
Moisture and the effect of acid mist volatilization, keep the uniformity of battery acid liquid level and density, reduce battery surface acid attachment simultaneously, eliminate
Battery surface electric arc, reduces battery catches fire risk；
Using water bath heat preservation in battery forming process, cell row spacing should not be less than 30 millimeters, and this had both ensured battery ambient
There is the water yield of abundance, also can guarantee that the circulation of recirculated water.By control circulating water temperature and flow, electricity in control formation process
The internal chemical conversion in pond temperature.If internal temperature of battery is high, ON cycle water-cooling apparatus, increasing circulating water flow or two steps behaviour
Carry out simultaneously；If internal temperature of battery is low, close circulating water cooling device, reduction circulating water flow or the operation of two steps same
Shi Jinhang；
Chemical conversion uses two sections of charging methods of constant current, and with positive/negative plate lead plaster contact area, (i.e. contact surface positive plate area adds
Upper negative plate area) control forming current；
The chemical conversion first stage：30min is first stood, it is ensured that pole plate fully reacts with sulfuric acid, then with constant after battery acid adding
Electric current is that battery is charged, and current value is controlled with positive/negative plate contact area, current density be 1.75A/dm2 (according to
Different situations are adjusted).Charging interval fill into completely with negative plate spongy lead be as the criterion (i.e. PbS04 content be less than 3%, pottery
During porcelain instrument scraping polar board surface, good lead sponge should be shown).Formation process controls internal temperature of battery and cannot be below 43
DEG C, peak temperature is more than 70 DEG C but not can exceed that 82 DEG C；
First stage stands 1h after terminating, and reduces cell voltage and internal temperature.
Chemical conversion second stage：Same employing constant current charge, current value is the 2/3 of first stage.Charging interval is with just
Pole plate completion is as the criterion thoroughly, and (PbS04 content is less than 8%, does not has the sign that active material softens, the polar board surface of display PbS04
Area is less than 10%).Controlling internal temperature of battery in formation process and cannot be below 32 DEG C, peak temperature is more than 66 DEG C.
It should be understood that in claims of the present invention, specification, all " including ... " should be understood as open
Implication, namely its implication is equal to " at least containing ... ", and should not be construed as enclosed implication, i.e. its implication should
This is interpreted as " only comprising ... ".
Specific embodiment described herein is only explanation for example to present invention spirit.Technology neck belonging to the present invention
Described specific embodiment can be made various modification or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (6)
1. a maintenance-free lead accumulator chemical synthesizing method, it includes that battery assembles, the perfusion of electrolyte, becomes step to electrification,
It is characterized in that, the battery in formation process is placed temporary roof cover, and temporary roof cover is consistent with normal battery top cover, has row
Gas and the effect slowing down moisture and acid mist volatilization, keep the uniformity of battery acid liquid level and density, reduce battery surface acid simultaneously
Attachment, eliminates battery surface electric arc, reduces battery catches fire risk.
2. a kind of maintenance-free lead accumulator chemical synthesizing method according to claim 1, it is characterised in that the first step, Chi Hua
Using water bath heat preservation during one-tenth, cell row spacing should not be less than 30 millimeters, and this had both ensured that battery ambient had the water yield of abundance, also
Can guarantee that the circulation of recirculated water, by control circulating water temperature and flow, inside battery chemical conversion temperature in control formation process.
3. a kind of maintenance-free lead accumulator chemical synthesizing method according to claim 2, it is characterised in that second step, if
Internal temperature of battery is high, and ON cycle water-cooling apparatus, increasing circulating water flow or the operation of two steps are carried out simultaneously；If battery
Internal temperature is low, closes circulating water cooling device, reduction circulating water flow or the operation of two steps and carries out simultaneously.
4. a kind of maintenance-free lead accumulator chemical synthesizing method according to claim 3, it is characterised in that the 3rd step, chemical conversion
Process uses two sections of charging methods of constant current, and with positive/negative plate lead plaster contact area, (i.e. contact surface positive plate area adds negative plate
Area) control forming current.
5. a kind of maintenance-free lead accumulator chemical synthesizing method according to claim 4, it is characterised in that the 4th step, chemical conversion
First stage：30min is first stood, it is ensured that pole plate fully reacts with sulfuric acid, then enters with constant current for battery after battery acid adding
Row charging, current value is controlled with positive/negative plate contact area, and current density is that 1.75A/dm2 (is carried out according to different situations
Adjust).Charging interval fill into completely with negative plate spongy lead be as the criterion (i.e. PbS04 content be less than 3%, chemical tool swipe pole
During plate surface, good lead sponge should be shown).Formation process controls internal temperature of battery and cannot be below 43 DEG C, peak temperature
More than 70 DEG C but not can exceed that 82 DEG C.
6. a kind of maintenance-free lead accumulator chemical synthesizing method according to claim 5, it is characterised in that the 5th step, chemical conversion
First stage stands 1 hour after terminating, to reduce cell voltage and internal temperature, subsequently into chemical conversion second stage：Adopt equally
By constant current charge, current value is the 2/3 of first stage.Thoroughly being as the criterion with positive plate completion in charging interval, (PbS04 content is low
In 8%, not having the sign that active material softens, the polar board surface area of display PbS04 is less than 10%).Formation process controls
Internal temperature of battery cannot be below 32 DEG C, and peak temperature is more than 66 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610790236.9A CN106450503B (en) | 2016-08-31 | 2016-08-31 | Formation method of maintenance-free lead-acid storage battery |
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|---|---|---|---|
| CN201610790236.9A CN106450503B (en) | 2016-08-31 | 2016-08-31 | Formation method of maintenance-free lead-acid storage battery |
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| CN106450503A true CN106450503A (en) | 2017-02-22 |
| CN106450503B CN106450503B (en) | 2021-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411839A (en) * | 2018-11-20 | 2019-03-01 | 天能电池(芜湖)有限公司 | A kind of technique reducing charging energy consumption |
| CN114050329A (en) * | 2021-11-29 | 2022-02-15 | 天能电池集团股份有限公司 | Production process of maintenance-free automobile storage battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109411839A (en) * | 2018-11-20 | 2019-03-01 | 天能电池(芜湖)有限公司 | A kind of technique reducing charging energy consumption |
| CN114050329A (en) * | 2021-11-29 | 2022-02-15 | 天能电池集团股份有限公司 | Production process of maintenance-free automobile storage battery |
| CN114050329B (en) * | 2021-11-29 | 2024-04-12 | 天能电池集团股份有限公司 | Maintenance-free automobile storage battery production process |
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