CN104868090B - Sour new technology is inhaled before a kind of appearance inspection for improving VRLA battery homogeneity - Google Patents
Sour new technology is inhaled before a kind of appearance inspection for improving VRLA battery homogeneity Download PDFInfo
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- CN104868090B CN104868090B CN201510233770.5A CN201510233770A CN104868090B CN 104868090 B CN104868090 B CN 104868090B CN 201510233770 A CN201510233770 A CN 201510233770A CN 104868090 B CN104868090 B CN 104868090B
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- sour
- battery
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- homogeneity
- inhales
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- 238000007689 inspection Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000011149 active material Substances 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/668—Means for preventing spilling of liquid or electrolyte, e.g. when the battery is tilted or turned over
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses sour new technology is inhaled before a kind of appearance inspection for improving VRLA battery homogeneity, comprise the following steps：A) after the conversion charging of active material is completed in valve-regulated lead-acid battery formation process, i.e., online constant current charge is proceeded by before appearance inspection is stood and inhales sour, wherein, it is 0.025C that electric current is constant2A, inhales sour 0.1~1h of the deadline, inhales sour process including sopping up the residual acid in sour kettle, taking out sour kettle and sop up free acid unnecessary in battery；B) discharge capacity detection is carried out after standing 2~5h；C) formation charging terminates the rear sour quality of constant-current charge On line inspection suction, and constant current is 0.025C2A, 0.1~1h of checking process deadline, compared with prior art, the present invention can improve the homogeneity of discharge voltage between each battery in VRLA battery group, the effectively cycle life of extension battery.
Description
【Technical field】
The present invention relates to inhale sour new technology before a kind of appearance inspection for improving VRLA battery homogeneity, belong to electrochemical energy
Source domain.
【Background technology】
In VRLA battery manufacturing process, traditional suction acid is carried out after inspection is held.Because sulfuric acid is also complete battery
One of active material into electrode reaction, holds when the sulfuric acid that sucks after inspection causes the content and density of sulfuric acid in battery and holds inspection
It is inconsistent, and it is according to next that the combo of battery performance is the capacity data measured with the sulfuric acid content and concentration that hold during inspection
Match somebody with somebody, thus greatly affected the uniformity of battery pack discharge voltage between each battery in subsequent circulation discharge process, carry
Morning accelerates the generation that battery list only falls behind, so as to shorten the service life of battery.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes that one kind can improve VRLA battery homogeneity
Appearance inspection before inhale sour new technology, the homogeneity of discharge voltage between each battery in VRLA battery group, effectively extension can be improved
The cycle life of battery.
To achieve the above object, the present invention inhales sour new before proposing a kind of appearance inspection for improving VRLA battery homogeneity
Technique, comprises the following steps：
A) after the conversion charging of active material is completed in valve-regulated lead-acid battery formation process, i.e., opened before appearance inspection is stood
Beginning carries out online constant current charge and inhales acid, wherein, it is 0.025C that electric current is constant2A, inhales sour 0.1~1h of the deadline, inhales sour process
Including sopping up the residual acid in sour kettle, taking out sour kettle and sopping up free acid unnecessary in battery, the acid deadline is inhaled for 0.5h,
Free acid amount ＜ 0.5ml in the every single lattice of battery after the completion of suction acid operation；
B) discharge capacity detection is carried out after standing 2~5h；
C) formation charging terminates the rear sour quality of constant-current charge On line inspection suction, and constant current is 0.025C2A, checking process is complete
Into 0.1~1h of time, battery is interior without free acid per single lattice when On line inspection inhales sour quality.
Preferably, the valve-regulated lead-acid battery in a) step is barren liquor type battery.
Preferably, the time of repose in the b) step is 3h.
Beneficial effects of the present invention：
1st, change into capacity check is carried out after the sour process of suction, then now by hold the battery capacity measured by examining be by
The sulfuric acid electrolyte of current density and content in battery and the true capacity that reflects.In this way, battery can more accurately be reflected
Actual capacity, combo is carried out with this capacity data to battery, when the accuracy and battery pack that can effectively improve capacity combo are used
The uniformity of load voltage between each single battery.
2nd, VRLA battery is barren liquor type battery, to ensure that battery needs the saturation degree of control acid solution with shape
Into certain oxygen composite channel, be conducive to being controlled in battery by later stage supplement electricity before sour process adjusting to capacity check will be inhaled
Sour saturation degree.
3rd, inhale after the completion of sour process, sour kettle is also removed immediately, to facilitate the manual scale in follow-up capacity check step
Operation.
4th, after the completion of the sour process of suction, then by once holding inspection electric discharge and charging complete formation process, followed by once
Inhaling acid and check can more effectively ensure that battery reaches required lean solution degree, prevent battery from using process to leak the generation of sour phenomenon.
【Specific embodiment】
Sour new technology is inhaled before a kind of appearance inspection for improving VRLA battery homogeneity of the present invention, is comprised the following steps：
A) after the conversion charging of active material is completed in valve-regulated lead-acid battery formation process, i.e., opened before appearance inspection is stood
Beginning carries out online constant current charge and inhales acid, wherein, it is 0.025C that electric current is constant2A, inhales sour 0.1~1h of the deadline, inhales sour process
Including sopping up the residual acid in sour kettle, taking out sour kettle and sopping up free acid unnecessary in battery；
B) discharge capacity detection is carried out after standing 2~5h；
C) formation charging terminates the rear sour quality of constant-current charge On line inspection suction, and constant current is 0.025C2A, checking process is complete
Into 0.1~1h of time.
The suction acid deadline in a) step is 0.5h, and the valve-regulated lead-acid battery in a) step is barren liquor type
Battery, free acid amount ＜ 0.5ml in the every single lattice of battery after the completion of suction acid is operated in a) step, in the b) step
Time of repose is 3h, and battery is interior without free acid, 0.025C per single lattice when the On line inspection in the c) step inhales sour quality2Electricity
Flow valuve is 0.025 × 2 hour rate nominal capacity.
Table one to table four is to hold the 6-DZM-20Ah after the sour technique of suction before inspection is melted into using VRLA battery of the present invention
Battery 18 is only made into four groups, and then every group 4 carry out 10 test results of deeper cavity, as a result shows to match somebody with somebody the circulation of four Battery packs
Pressure difference stabilization is in 0.052-0.298V, hence it is evident that improve the homogeneity of discharge voltage between each battery in battery pack.
Table one
| Cycle-index | Discharge time | Voltage 1 | Voltage 2 | Voltage 3 | Voltage 4 | Voltage difference |
| 1 | 2:08:02 | 10.837 | 10.818 | 10.709 | 10.823 | 0.128 |
| 2 | 2:10:51 | 10.809 | 10.715 | 10.836 | 10.86 | 0.145 |
| 3 | 2:10:58 | 10.84 | 10.693 | 10.827 | 10.872 | 0.179 |
| 4 | 2:10:26 | 10.866 | 10.674 | 10.827 | 10.87 | 0.196 |
| 5 | 2:10:46 | 10.889 | 10.674 | 10.827 | 10.872 | 0.215 |
| 6 | 2:11:26 | 10.893 | 10.665 | 10.822 | 10.872 | 0.228 |
| 7 | 2:10:54 | 10.898 | 10.668 | 10.82 | 10.864 | 0.23 |
| 8 | 2:11:18 | 10.898 | 10.677 | 10.813 | 10.862 | 0.221 |
| 9 | 2:11:06 | 10.892 | 10.669 | 10.804 | 10.851 | 0.223 |
| 10 | 2:11:50 | 10.889 | 10.671 | 10.804 | 10.857 | 0.218 |
Table two
| Cycle-index | Discharge time | Voltage 1 | Voltage 2 | Voltage 3 | Voltage 4 | Voltage difference |
| 1 | 2:07:34 | 10.879 | 10.657 | 10.871 | 10.816 | 0.222 |
| 2 | 2:10:36 | 10.811 | 10.787 | 10.812 | 10.797 | 0.025 |
| 3 | 2:10:50 | 10.777 | 10.777 | 10.83 | 10.796 | 0.053 |
| 4 | 2:10:22 | 10.783 | 10.787 | 10.848 | 10.808 | 0.065 |
| 5 | 2:10:41 | 10.784 | 10.809 | 10.833 | 10.806 | 0.049 |
| 6 | 2:11:10 | 10.779 | 10.795 | 10.836 | 10.804 | 0.057 |
| 7 | 2:10:48 | 10.776 | 10.803 | 10.839 | 10.798 | 0.063 |
| 8 | 2:11:10 | 10.776 | 10.797 | 10.831 | 10.795 | 0.055 |
| 9 | 2:10:53 | 10.78 | 10.8 | 10.83 | 10.794 | 0.05 |
| 10 | 2:11:34 | 10.777 | 10.8 | 10.829 | 10.801 | 0.052 |
Table three
| Cycle-index | Discharge time | Voltage 1 | Voltage 2 | Voltage 3 | Voltage 4 | Voltage difference |
| 1 | 2:02:38 | 10.86 | 10.809 | 10.816 | 10.555 | 0.305 |
| 2 | 2:09:12 | 10.925 | 10.777 | 10.862 | 10.509 | 0.416 |
| 3 | 2:09:50 | 10.936 | 10.756 | 10.854 | 10.517 | 0.419 |
| 4 | 2:10:04 | 10.954 | 10.762 | 10.864 | 10.53 | 0.424 |
| 5 | 2:10:38 | 10.958 | 10.746 | 10.863 | 10.546 | 0.412 |
| 6 | 2:11:13 | 10.945 | 10.731 | 10.862 | 10.572 | 0.373 |
| 7 | 2:11:50 | 10.937 | 10.711 | 10.859 | 10.585 | 0.352 |
| 8 | 2:12:02 | 10.934 | 10.703 | 10.859 | 10.619 | 0.315 |
| 9 | 2:12:26 | 10.924 | 10.697 | 10.862 | 10.622 | 0.302 |
| 10 | 2:12:53 | 10.914 | 10.672 | 10.848 | 10.616 | 0.298 |
Table four
| Cycle-index | Discharge time | Voltage 1 | Voltage 2 | Voltage 3 | Voltage 4 | Voltage difference |
| 1 | 2:01:59 | 10.86 | 10.499 | 10.96 | 10.754 | 0.461 |
| 2 | 2:09:15 | 10.791 | 10.739 | 10.89 | 10.686 | 0.204 |
| 3 | 2:09:53 | 10.762 | 10.689 | 10.893 | 10.741 | 0.204 |
| 4 | 2:10:02 | 10.755 | 10.781 | 10.872 | 10.709 | 0.163 |
| 5 | 2:10:26 | 10.745 | 10.809 | 10.865 | 10.697 | 0.168 |
| 6 | 2:10:57 | 10.734 | 10.821 | 10.868 | 10.726 | 0.142 |
| 7 | 2:11:36 | 10.715 | 10.847 | 10.858 | 10.719 | 0.143 |
| 8 | 2:11:42 | 10.716 | 10.85 | 10.847 | 10.706 | 0.144 |
| 9 | 2:12:06 | 10.698 | 10.849 | 10.842 | 10.719 | 0.151 |
| 10 | 2:12:37 | 10.716 | 10.855 | 10.846 | 10.737 | 0.139 |
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (3)
1. sour new technology is inhaled before a kind of appearance inspection for improving VRLA battery homogeneity, it is characterised in that：Comprise the following steps：
A) complete in the valve-regulated lead-acid battery formation process active material conversion charge after, i.e., stand hold inspection before start into
The online constant current charge of row inhales acid, wherein, it is 0.025C that electric current is constant2A, inhales sour deadline 0.5h, and inhaling sour process includes inhaling
Fall the residual acid in sour kettle, take out sour kettle and sop up free acid unnecessary in battery, battery is per single after the completion of inhaling acid operation
Free acid amount ＜ 0.5ml in lattice；
B) discharge capacity detection is carried out after standing 2~5h；
C) formation charging terminates the rear sour quality of constant-current charge On line inspection suction, and constant current is 0.025C2A, checking process deadline
0.1~1h, battery is interior without free acid per single lattice when On line inspection inhales sour quality.
2. sour new technology, its feature are inhaled before a kind of appearance inspection for improving VRLA battery homogeneity as claimed in claim 1
It is：Valve-regulated lead-acid battery in a) step is barren liquor type battery.
3. sour new technology, its feature are inhaled before a kind of appearance inspection for improving VRLA battery homogeneity as claimed in claim 1
It is：Time of repose in the b) step is 3h.
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| CN201510233770.5A CN104868090B (en) | 2015-05-08 | 2015-05-08 | Sour new technology is inhaled before a kind of appearance inspection for improving VRLA battery homogeneity |
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|---|---|---|---|
| CN201510233770.5A CN104868090B (en) | 2015-05-08 | 2015-05-08 | Sour new technology is inhaled before a kind of appearance inspection for improving VRLA battery homogeneity |
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| CN104868090B true CN104868090B (en) | 2017-07-07 |
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| CN105206883B (en) * | 2015-09-22 | 2018-02-09 | 江西新威动力能源科技有限公司 | A kind of big compounding process of battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882695A (en) * | 2010-07-20 | 2010-11-10 | 福州大学 | Lead-acid storage battery forming anti-acid mist device |
| CN103594741A (en) * | 2013-11-22 | 2014-02-19 | 天能电池集团有限公司 | Grouping method for power lead-acid storage battery set |
| CN104538681A (en) * | 2014-12-22 | 2015-04-22 | 天能电池集团有限公司 | Formation and matching technology of lead-acid storage battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3642212B2 (en) * | 1999-02-19 | 2005-04-27 | 松下電器産業株式会社 | Lead-acid battery charging method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882695A (en) * | 2010-07-20 | 2010-11-10 | 福州大学 | Lead-acid storage battery forming anti-acid mist device |
| CN103594741A (en) * | 2013-11-22 | 2014-02-19 | 天能电池集团有限公司 | Grouping method for power lead-acid storage battery set |
| CN104538681A (en) * | 2014-12-22 | 2015-04-22 | 天能电池集团有限公司 | Formation and matching technology of lead-acid storage battery |
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Denomination of invention: A New Process for Absorbing Acid Before Capacity Check to Improve the Uniformity of Valve Regulated Lead Acid Batteries Effective date of registration: 20231110 Granted publication date: 20170707 Pledgee: Huzhou Changxing Green Sub branch of Industrial Bank Co.,Ltd. Pledgor: Changxing Noble Power Co.,Ltd. Registration number: Y2023980064849 |