CN104466264A - Charging and matching method for lead-acid storage battery - Google Patents
Charging and matching method for lead-acid storage battery Download PDFInfo
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- CN104466264A CN104466264A CN201410654132.6A CN201410654132A CN104466264A CN 104466264 A CN104466264 A CN 104466264A CN 201410654132 A CN201410654132 A CN 201410654132A CN 104466264 A CN104466264 A CN 104466264A
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- storage battery
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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
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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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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- 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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Abstract
The invention discloses a charging and matching method for a lead-acid storage battery. The method comprises the following steps: (1) carrying out internal formation on a storage battery which is assembled; (2) discharging at least 0.01 C of the charged storage battery in 10 minute; and (3) immediately matching the storage battery after finishing discharging. Less electric quantity is rapidly discharged after charging of the storage battery is finished, the battery performance of the storage battery is rapidly stabilized without stewing, the grouping is immediately carried out, and the production cycle of the storage battery is greatly shortened, the production efficiency is improved, not only can the production space be saved, but also the speed of fund return is quickened, and the charging and matching method for the lead-acid storage battery is applicable to production-line large-scale production.
Description
Technical field
The present invention relates to the manufacturing technology of lead acid accumulator, particularly a kind of lead acid battery charge method for group matching.
Background technology
Lead acid accumulator has had the development course of more than 150 year, and it is with the production technology of maturation, long service life, and the advantages such as recoverable surely account for market, and the storage battery production equipment of specialty and technology fundamentally ensure the quality of battery.
Along with the development of electronics industry, when lead acid accumulator will combinationally use, require to adopt same producer, with batch, the lead acid accumulator of same model, but because of factor impacts such as storage battery production producer technology, production lot, management, cause the performance of actual product to there is certain discreteness.Then wish when combo the Combined storage battery of similar nature together, namely the storage battery in batteries has higher consistency, the battery pack average discharge capacity after combination is made to reach cell minimum average B configuration discharge capacity value, to ensure performance and the life-span of batteries.
At present, although the production technology of lead acid accumulator is ripe, the production cycle is still longer, and occupied fund is large, and wherein, especially lead acid accumulator changes into the combo cycle long, is the bottleneck realizing battery-efficient production all the time.In charging process, in order to improve the electric energy conversion efficiency of lead acid accumulator as far as possible, lead acid battery charge changes into the time needs 4 ~ 5 days usually.
After combo mode common at present is mainly internalized into end, lead acid accumulator is left standstill 48h, to carry out combo time of repose long for test battery characteristic afterwards, expends time in, extend manufacture cycle.
Wherein, the reason that aforesaid way can be adopted to carry out combo is lead acid accumulator is a kind of chemical power source, is charged in charging process by the electric energy of external circuit to battery, and inside battery is that chemical energy stores electric energy conversion.After charging terminates, the open circuit voltage of battery display is higher, and decrease speed is very fast within a certain period of time.Through certain time of repose, battery open circuit voltage is made to reach a comparatively stable value by the self discharge of inside battery.At normal temperatures, usually after 48h leaves standstill, open circuit voltage can reach a metastable value to battery.If time of repose is few, then battery open circuit voltage is higher and unstable, and each lead acid accumulator changes greatly in time, causes combo inaccurate, reduces product quality.
But in battery manufacturing process, be internalized into the time of repose of combo long, the production space not only taken is comparatively large, affects money collecting, and production line balance, and increase handling process, a batch battery is easily obscured, and is lowered into quality.
Summary of the invention
The invention provides a kind of lead acid battery charge method for group matching, practical, effectively shorten the combo cycle of lead acid accumulator, while ensureing product quality, reduction fund overstocks risk, effectively improves the market competitiveness.
A kind of lead acid battery charge method for group matching, comprises the following steps:
(1) storage battery assembled is internalized into;
(2) storage battery of charging complete is discharged in 10min be no less than 0.01C;
(3), after having discharged, immediately combo is carried out to storage battery.
The storage battery completing charging is carried out little corona discharge; the battery performance fast and stable of storage battery can be made; without the need to leaving standstill; can divide into groups at once; greatly shorten the production time of storage battery; thus save production space, can money collecting be accelerated, streamline large-scale production can be adopted.Need standing 48 hours as prior art combo is last, therefore, use method of the present invention directly can shorten the production time up to 2 days.Through test determination, discharge capacity is unsuitable too small, at least will release the electricity of 0.01C fast, just have good voltage regulation result.
Meanwhile, discharge capacity is also unsuitable too high, and preferably, in step (2), discharge capacity is less than 0.05C.Over-discharge can is not only lost time, and the battery electric quantity after combo can be made not enough, does not meet requirement of dispatching from the factory.
Through measuring, aforesaid operations completes at short notice, just has good voltage regulation result, and preferably, in step (2), discharging current size is 0.1C ~ 0.5CA, and discharge time is 1 ~ 10min.
Be used for judging that the performance index of lead acid accumulator comprise: voltage, capacity, internal resistance, dynamic characteristic etc., can select according to Production requirement.Preferably, in step (3), it is one group that storage battery open circuit voltage pressure reduction being less than 0.02V is joined.Measuring open circuit voltage is conventional Testing index, and technology maturation is simple to operate, is applicable to quantizing on a large scale to produce.
In order to energy savings, preferably, the electric energy of releasing in storing step (2).Recycle the electric energy of releasing, put forward high-octane utilance.
In order to improve the stablizing effect of this method, preferably, in step (1), the step be internalized into of described storage battery comprises:
A, first by lead acid accumulator constant current charge 0.5 ~ 1.5h, size of current is 0.03 ~ 0.07CA;
B, then use the electricity of gap pulse current charge 5 ~ 8C;
C, afterwards constant-current discharge 1 ~ 3h, size of current is 0.25 ~ 0.5CA;
D, again with positive negative impulse current charging 2 ~ 4C electricity;
E, last constant current charge 3 ~ 7h again, size of current is 0.08 ~ 0.12CA.
Above-mentioned charging modes can improve battery power transformation efficiency, reduces temperature rise in battery forming process, shortens battery charging and changes into the time, shorten total storage battery production time further, reduce battery power consumption.And carried out the storage battery charged by pulse current, after charging complete, inside battery is stablized, between the same group storage battery after combo, pressure reduction change is little, thus improves the service lifetime of accumulator after combo.
Preferred further, in described step b, the size of gap pulse current is 0.15 ~ 0.40CA, and pulsewidth is 6 ~ 10s, and gap pulsewidth is 1 ~ 3s.
Preferred further, in described steps d, the positive current size of positive negative impulse current is 0.15 ~ 0.40CA, and pulsewidth is 6 ~ 10s, and negative current size is 0.3 ~ 0.7A, and pulsewidth is 1 ~ 3s.
C is lead acid accumulator rated capacity under prescribed conditions, such as: 1,6-DZM-20 lead acid accumulator, wherein 20 rated capacities representing this size battery, the charging current of this size battery 0.25CA is: 0.25 × 20=5A; 2,6-DZM-12 lead acid accumulator, wherein 12 rated capacities representing this size battery, the charging current of this size battery 0.25CA is: 0.25 × 12=3A.
Beneficial effect of the present invention:
The inventive method is little electricity repid discharge at once after storage battery completes charging; the battery performance fast and stable of storage battery can be made; without the need to leaving standstill; can divide into groups at once; greatly shorten the production cycle of storage battery, enhanced productivity, not only save production space; can also money collecting be accelerated, be applicable to streamline large-scale production.
Embodiment
The lead acid accumulator specification that following two embodiments adopt is: 6-DZM-20.
Embodiment 1
The lead acid battery charge method for group matching of the present embodiment comprises the following steps:
(1) be internalized into charge in batteries to what complete assembling, step comprises:
A, first by storage battery constant current charge 2h, size of current is 0.05CA;
B, then use 0.15CA electric current constant current charge 55h;
C, afterwards constant-current discharge 4h, size of current is 0.2CA;
D, again constant current charge 15h, size of current is 0.15CA;
E, last constant current charge 12h, size of current is 0.1CA.
(2) by the storage battery of charging complete with discharging current size for 0.25CA, discharge time is 5min.
(3), after having discharged, immediately combo is carried out to storage battery.
The lead acid accumulator completing above-mentioned steps (1) is divided into three components and does not carry out combo: 1, continue to select 6 lead acid accumulators according to the method for group matching of the present embodiment and be made into one group; 2, leave standstill 48 hours after being internalized into end, select 6 lead acid accumulators and be made into one group; 3, select 6 lead acid accumulators after being internalized into end at once and be made into one group.
Carry out the mode of dividing into groups according to performance a lot, in the present embodiment, test the open circuit voltage of each lead acid accumulator, choose 6 lead acid accumulators that voltage difference is less than 0.02V and be divided into one group.
Tested the open circuit voltage of each storage battery after completing combo every 2 hours, test result is as following table:
The storage battery pressure drop carrying out combo through the method for the present embodiment is little, and pressure reduction change can be ignored substantially, and the voltage leaving standstill the storage battery of 48 hours also keeps stable, and directly then change in pressure drop is large for the storage battery of combo, and along with time pressure reduction also increasing.
By relatively can finding out of three forms above, undertaken charging and combo by the charging method for group matching of the present embodiment, time of repose can be removed from, after long-time placement, pressure drop is little, ensure that the pressure reduction of the storage battery in a group is substantially constant, storage battery keeps stable, ensures quality and the useful life of storage battery.
Embodiment 2
In the present embodiment, except be internalized into mode different from embodiment 1 except, all the other charging method for group matching identical with embodiment 1.
The step that is internalized into of the present embodiment comprises:
A, first by lead acid accumulator constant current charge 1h, size of current is 0.05CA;
B, then take size as 0.20CA, pulsewidth is 8s, and gap pulsewidth is the electricity that the gap pulse current of 2s fills 6C;
C, afterwards constant-current discharge 2h, size of current is 7A;
D, again with positive current size for 0.20C pulsewidth is for 8s, negative current size is 0.5A, and pulsewidth is the electricity that the positive negative impulse current of 2s fills 3C;
E, last constant current charge 5h, size of current is 0.10CA.
Wherein, the charging interval of step b is about 30.5h, and the charging interval of step D is about 15.3h.
The present embodiment total charging combo time is about 49h, and total charging combo time of embodiment 1 is 88h, and the charging combo time of prior art is up to 136h, therefore, the method of the present embodiment can shorten the charging combo time further, improve storage battery production efficiency, improve the competitiveness of product in market.
Selecting that 6 storage batterys join by the charging method for group matching of the present embodiment is one group, tests the open circuit voltage of each storage battery, obtain following table every 2 hours:
In sum; as can be seen from above-mentioned two embodiments; while the inventive method ensures the stability of storage battery after combo; substantially reduce the charging combo time; thus shortened the production cycle of storage battery, enhance productivity, not only save production space; can also money collecting be accelerated, be applicable to streamline large-scale production.
Claims (8)
1. a lead acid battery charge method for group matching, is characterized in that, comprises the following steps:
(1) storage battery assembled is internalized into;
(2) storage battery of charging complete is discharged in 10min be no less than 0.01C;
(3), after having discharged, immediately combo is carried out to storage battery.
2. lead acid battery charge method for group matching as claimed in claim 1, it is characterized in that, in step (2), discharge capacity is less than 0.05C.
3. lead acid battery charge method for group matching as claimed in claim 1, it is characterized in that, in step (2), discharging current size is 0.1C ~ 0.5CA, and discharge time is 1 ~ 10min.
4. lead acid battery charge method for group matching as claimed in claim 1, is characterized in that, in step (3), it is one group that storage battery open circuit voltage pressure reduction being less than 0.02V is joined.
5. lead acid battery charge method for group matching as claimed in claim 1, is characterized in that, the electric energy of releasing in storing step (2).
6. lead acid battery charge method for group matching as claimed in claim 1, it is characterized in that, in step (1), the step be internalized into of described storage battery comprises:
A, first by lead acid accumulator constant current charge 0.5 ~ 1.5h, size of current is 0.03 ~ 0.07CA;
B, then use the electricity of gap pulse current charge 5 ~ 8C;
C, afterwards constant-current discharge 1 ~ 3h, size of current is 0.25 ~ 0.5CA;
D, again with positive negative impulse current charging 2 ~ 4C electricity;
E, last constant current charge 3 ~ 7h again, size of current is 0.08 ~ 0.12CA.
7. lead acid battery charge method for group matching as claimed in claim 6, it is characterized in that, in described step b, the size of gap pulse current is 0.15 ~ 0.40CA, and pulsewidth is 6 ~ 10s, and gap pulsewidth is 1 ~ 3s.
8. lead acid battery charge method for group matching as claimed in claim 6, it is characterized in that, in described steps d, the positive current size of positive negative impulse current is 0.15 ~ 0.40CA, and pulsewidth is 6 ~ 10s, and negative current size is 0.3 ~ 0.7A, and pulsewidth is 1 ~ 3s.
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| CN201410654132.6A CN104466264B (en) | 2014-11-18 | 2014-11-18 | Charging and matching method for lead-acid storage battery |
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| CN201410654132.6A CN104466264B (en) | 2014-11-18 | 2014-11-18 | Charging and matching method for lead-acid storage battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107123825A (en) * | 2017-03-28 | 2017-09-01 | 天能电池集团有限公司 | A kind of lead accumulator method for group matching |
| CN107331902A (en) * | 2017-06-16 | 2017-11-07 | 江苏海宝电池科技有限公司 | A kind of lead-acid accumulator pulse container formation technique |
| CN107591580A (en) * | 2017-07-31 | 2018-01-16 | 天能电池集团有限公司 | A kind of lead-acid accumulator chemical synthesizing method stage by stage |
| CN111167748A (en) * | 2019-11-29 | 2020-05-19 | 荆门亿纬创能锂电池有限公司 | Battery screening method |
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| CN101599559A (en) * | 2009-06-08 | 2009-12-09 | 陕西科技大学 | Desulphurization recovery technology for battery |
| CN101924257A (en) * | 2010-07-29 | 2010-12-22 | 江苏双登集团有限公司 | Lead-acid cell grouping method |
| CN103956528A (en) * | 2014-04-15 | 2014-07-30 | 株洲冶炼集团股份有限公司 | Internal formation process of super battery |
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| US20030041445A1 (en) * | 2001-09-03 | 2003-03-06 | Jee-Hwan Jang | Method of grouping single cells of power sources to build optimal packs using parameters obtained by analysis of impedance spectrum |
| CN101599559A (en) * | 2009-06-08 | 2009-12-09 | 陕西科技大学 | Desulphurization recovery technology for battery |
| CN101924257A (en) * | 2010-07-29 | 2010-12-22 | 江苏双登集团有限公司 | Lead-acid cell grouping method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123825A (en) * | 2017-03-28 | 2017-09-01 | 天能电池集团有限公司 | A kind of lead accumulator method for group matching |
| CN107123825B (en) * | 2017-03-28 | 2019-07-23 | 天能电池集团股份有限公司 | A kind of lead storage battery method for group matching |
| CN107331902A (en) * | 2017-06-16 | 2017-11-07 | 江苏海宝电池科技有限公司 | A kind of lead-acid accumulator pulse container formation technique |
| CN107331902B (en) * | 2017-06-16 | 2019-08-06 | 江苏海宝电池科技有限公司 | A kind of lead-acid accumulator pulse container formation technique |
| CN107591580A (en) * | 2017-07-31 | 2018-01-16 | 天能电池集团有限公司 | A kind of lead-acid accumulator chemical synthesizing method stage by stage |
| CN111167748A (en) * | 2019-11-29 | 2020-05-19 | 荆门亿纬创能锂电池有限公司 | Battery screening method |
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