CN107658430B - High-temperature container formation method for power type lead-acid storage battery - Google Patents
High-temperature container formation method for power type lead-acid storage battery Download PDFInfo
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- CN107658430B CN107658430B CN201710943523.3A CN201710943523A CN107658430B CN 107658430 B CN107658430 B CN 107658430B CN 201710943523 A CN201710943523 A CN 201710943523A CN 107658430 B CN107658430 B CN 107658430B
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- 239000002253 acid Substances 0.000 title claims abstract description 62
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 37
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003792 electrolyte Substances 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 239000013543 active substance Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 description 14
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000011149 active material Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
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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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- 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 discloses a high-temperature internal formation method of a power type lead-acid storage battery. The method comprises the following steps: s1: adding a sulfuric acid electrolyte into a lead-acid storage battery, standing for 0.2-0.5 h, and starting a charging program; s2: a high-temperature formation stage; s3: a normal temperature formation stage; s4: and (4) after the charging is finished, acid pumping is carried out, and the formation is finished. The invention can ensure that the positive plate of the lead-acid storage battery is uniformly formed, the active substances of the lead-acid storage battery are fully converted, the charging quantity of the battery before the battery is assembled and discharged is less, and the formation charging time is short.
Description
Technical Field
The invention relates to the technical field of power type lead-acid storage batteries, in particular to a high-temperature container formation method of a power type lead-acid storage battery.
Background
The lead-acid storage battery has the characteristics of low price, convenient use and stable performance, is widely applied to various fields all the time, has large market occupation at present, and is particularly widely applied to electric bicycles. With the rise of other novel energy battery technologies and the change of market environments, higher requirements are put on the cycle life of lead storage batteries, and the improvement and promotion are continuously made by technical personnel in the industry.
The improvement of the technology in the process stage is undoubtedly a major breakthrough. The production process mainly comprises the working procedures of lead powder manufacturing, grid manufacturing, lead paste mixing, pole plate coating, pole plate curing and drying, pole plate formation, battery assembly and the like. In the above processes, the formation of the electrode plate is an important process which is difficult to control in the production process of the lead-acid storage battery. A plurality of problems exist in the internal formation process of the lead-acid battery at present, including the following problems: the formation uniformity of the positive plate of the battery is difficult to ensure, and the white flower phenomenon is easy to occur on the positive plate; the battery formation process is too long, so that the production efficiency of the battery is delayed; the conversion efficiency of the charging electric quantity of the battery is low, and the excess electric quantity needs to be filled for the conversion of the cooked polar plate.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-temperature container formation method for a power type lead-acid storage battery, which can ensure that a positive plate of the lead-acid storage battery is uniformly formed, active substances of the lead-acid storage battery are fully converted, the charging quantity of the battery before the battery is assembled and discharged is less, and the formation charging time is short.
In order to solve the problems, the invention adopts the following technical scheme:
the invention discloses a high-temperature container formation method of a power type lead-acid storage battery, which comprises the following steps:
s1: adding a sulfuric acid electrolyte into a lead-acid storage battery, standing for 0.2-0.5 h, and starting a charging program;
s2: a high temperature formation stage comprising the steps of:
s201: charging for 1-2 hours at a constant current of 0.1-0.2I 2;
s202: charging for 3-4 hours at a constant current of 0.3-0.5I 2;
s203: charging the battery for 5 to 8 hours at a constant current of 0.5 to 0.6I 2;
s3: the normal temperature formation stage comprises the following steps:
s301: standing for 0.5 h;
s302: charging the battery for 10 to 14 hours at a constant current of 0.4 to 0.5I2, and then standing for 0.5 hour;
s303: charging for 8-10 hours at a constant current of 0.3-0.4I 2, and then standing for 0.2-0.5 hour;
s304: charging for 4-5 hours at a constant current of 0.2-0.3I 2;
s305: performing constant current discharge with a current of 0.5I2 to 10.5-10.8V;
s306: charging for 2-3 hours at a constant current of 0.6-0.8I 2, and then standing for 0.5 hour;
s307: charging for 6-7 hours at a constant current of 0.3-0.4I 2, and then standing for 0.2-0.5 hour;
s308: charging for 2-3 hours at a constant current of 0.15-0.25I 2;
s309: performing constant current discharge to 9.8-10.2V by using a current of 1I 2;
s310: charging for 2-3 hours at a constant current of 0.5-0.6I 2, and then standing for 0.5 hour;
s311: charging for 6-7 hours at a constant current of 0.25-0.3I 2, and then standing for 0.2-0.5 hour;
s312: charging the cell for 3-5 hours at a constant current of 0.2-0.25I 2;
s4: and (4) after the charging is finished, acid pumping is carried out, and the formation is finished.
In the method, the temperature of the lead-acid storage battery is increased after the sulfuric acid electrolyte is added into the lead-acid storage battery, the lead-acid storage battery is charged at high temperature, and cooling water is not added into a battery jar in the high-temperature formation stage. And after the high-temperature charging is finished, entering a normal-temperature formation stage.
Compared with other normal temperature formation processes, the high temperature condition can accelerate the active substance conversion in the initial formation stage, and the high temperature formation can effectively shorten the formation time by 1\ 3-1 \ 4. The high-temperature formation process can improve the charge conversion efficiency, and the charging quantity in the charging process is reduced by 15-25%. The surface of the formed mature polar plate has no white spot phenomenon, the lead dioxide content is high, and the cycle life of the battery is long.
Preferably, the step S1 further includes the steps of: after the sulfuric acid electrolyte is filled into the lead-acid storage battery, the connected safety valve is buckled at the acid inlet of the acid kettle, and a certain pressure value in the acid kettle is kept. Therefore, the phenomenon that acid liquor cannot be in full contact reaction with the polar plate due to gas generated by early severe reaction can be avoided, and the charging efficiency is improved.
Preferably, the connected safety valve above the acid pot is removed after the lead-acid storage battery enters a normal-temperature formation stage.
Preferably, the lead-acid storage battery is cooled when the internal temperature of the lead-acid storage battery is higher than 70 ℃ in the high-temperature formation stage. When the internal temperature of the lead-acid storage battery exceeds 70 ℃, the charge acceptance capacity of the surface of a polar plate is reduced, lead sulfate particles are deposited to cause charging difficulty, the conversion of active materials of the battery is influenced, and if the temperature is not controlled, the charging voltage is high, and the polarization phenomenon is aggravated.
Preferably, the charging voltage values in step S306 and step S310 are controlled to be within 15 v. The method mainly considers that the current value is overlarge in the charging process, when the voltage value of the battery is larger than a certain critical value, the water decomposition rate of the battery is accelerated, and the water loss of the battery is heavy in the control process.
The invention has the beneficial effects that: (1) compared with other normal temperature formation processes, the high temperature condition can accelerate the active substance conversion in the initial formation stage, and the high temperature formation can effectively shorten the formation time by 1\ 3-1 \ 4. (2) The high-temperature formation process can improve the charge conversion efficiency, and the charging quantity in the charging process is reduced by 15-25%. (3) The surface of the formed mature polar plate has no white spot phenomenon, the lead dioxide content is high, and the cycle life of the battery is long.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): the high-temperature internal formation method of the power type lead-acid storage battery in the embodiment is shown in fig. 1, and includes the following steps:
s1: adding a sulfuric acid electrolyte into a lead-acid storage battery, standing for 0.2-0.5 h, and starting a charging program;
s2: the high temperature formation stage (no cooling water is added in the battery jar in the process) comprises the following steps:
s201: charging for 1-2 hours at a constant current of 0.1-0.2I 2;
s202: charging for 3-4 hours at a constant current of 0.3-0.5I 2;
s203: charging the battery for 5 to 8 hours at a constant current of 0.5 to 0.6I 2;
s3: the normal temperature formation stage comprises the following steps:
s301: standing for 0.5h after the high-temperature charging is finished;
s302: charging the battery for 10 to 14 hours at a constant current of 0.4 to 0.5I2, and then standing for 0.5 hour;
s303: charging for 8-10 hours at a constant current of 0.3-0.4I 2, and then standing for 0.2-0.5 hour;
s304: charging for 4-5 hours at a constant current of 0.2-0.3I 2;
s305: performing constant current discharge with a current of 0.5I2 to 10.5-10.8V;
s306: charging for 2-3 hours at a constant current of 0.6-0.8I 2, and then standing for 0.5 hour;
s307: charging for 6-7 hours at a constant current of 0.3-0.4I 2, and then standing for 0.2-0.5 hour;
s308: charging for 2-3 hours at a constant current of 0.15-0.25I 2;
s309: performing constant current discharge to 9.8-10.2V by using a current of 1I 2;
s310: charging for 2-3 hours at a constant current of 0.5-0.6I 2, and then standing for 0.5 hour;
s311: charging for 6-7 hours at a constant current of 0.25-0.3I 2, and then standing for 0.2-0.5 hour;
s312: charging the cell for 3-5 hours at a constant current of 0.2-0.25I 2;
s4: and (4) after the charging is finished, acid pumping is carried out, and the formation is finished.
In the method, the temperature of the lead-acid storage battery is increased after the sulfuric acid electrolyte is added into the lead-acid storage battery, the lead-acid storage battery is charged at high temperature, and cooling water is not added into a battery jar in the high-temperature formation stage. And after the high-temperature charging is finished, entering a normal-temperature formation stage.
Compared with other normal temperature formation processes, the high temperature condition can accelerate the active substance conversion in the initial formation stage, and the high temperature formation can effectively shorten the formation time by 1\ 3-1 \ 4. The high-temperature formation process can improve the charge conversion efficiency, and the charging quantity in the charging process is reduced by 15-25%. The surface of the formed mature polar plate has no white spot phenomenon, the lead dioxide content is high, and the cycle life of the battery is long.
Step S1 further includes the steps of: after the sulfuric acid electrolyte is filled into the lead-acid storage battery, the connected safety valve is buckled at the acid inlet of the acid kettle, and a certain pressure value in the acid kettle is kept. Therefore, the phenomenon that acid liquor cannot be in full contact reaction with the polar plate due to gas generated by early severe reaction can be avoided, and the charging efficiency is improved.
And removing the safety valve connected above the acid pot after the lead-acid storage battery enters a normal-temperature formation stage.
And in the high-temperature formation stage, when the internal temperature of the lead-acid storage battery is higher than 70 ℃, cooling the lead-acid storage battery. When the internal temperature of the lead-acid storage battery exceeds 70 ℃, the charge acceptance capacity of the surface of a polar plate is reduced, lead sulfate particles are deposited to cause charging difficulty, the conversion of active materials of the battery is influenced, and if the temperature is not controlled, the charging voltage is high, and the polarization phenomenon is aggravated.
The charging voltage values in step S306 and step S310 are controlled to be within 15 v. The method mainly considers that the current value is overlarge in the charging process, when the voltage value of the battery is larger than a certain critical value, the water decomposition rate of the battery is accelerated, and the water loss of the battery is heavy in the control process.
Claims (5)
1. A high-temperature internal formation method of a power type lead-acid storage battery is characterized by comprising the following steps:
s1: adding a sulfuric acid electrolyte into a lead-acid storage battery, standing for 0.2-0.5 h, and starting a charging program;
s2: a high temperature formation stage comprising the steps of:
s201: charging for 1-2 hours at a constant current of 0.1-0.2I 2;
s202: charging for 3-4 hours at a constant current of 0.3-0.5I 2;
s203: charging the battery for 5 to 8 hours at a constant current of 0.5 to 0.6I 2;
s3: the normal temperature formation stage comprises the following steps:
s301: standing for 0.5 h;
s302: charging the battery for 10 to 14 hours at a constant current of 0.4 to 0.5I2, and then standing for 0.5 hour;
s303: charging for 8-10 hours at a constant current of 0.3-0.4I 2, and then standing for 0.2-0.5 hour;
s304: charging for 4-5 hours at a constant current of 0.2-0.3I 2;
s305: performing constant current discharge with a current of 0.5I2 to 10.5-10.8V;
s306: charging for 2-3 hours at a constant current of 0.6-0.8I 2, and then standing for 0.5 hour;
s307: charging for 6-7 hours at a constant current of 0.3-0.4I 2, and then standing for 0.2-0.5 hour;
s308: charging for 2-3 hours at a constant current of 0.15-0.25I 2;
s309: performing constant current discharge to 9.8-10.2V by using a current of 1I 2;
s310: charging for 2-3 hours at a constant current of 0.5-0.6I 2, and then standing for 0.5 hour;
s311: charging for 6-7 hours at a constant current of 0.25-0.3I 2, and then standing for 0.2-0.5 hour;
s312: charging for 3-5 hours at a constant current of 0.2-0.25I 2;
s4: and (4) after the charging is finished, acid pumping is carried out, and the formation is finished.
2. The high-temperature internal formation method of the power type lead-acid storage battery according to claim 1, wherein the step S1 further comprises the following steps: after the sulfuric acid electrolyte is filled into the lead-acid storage battery, the connected safety valve is buckled at the acid inlet of the acid kettle, and a certain pressure value in the acid kettle is kept.
3. The high-temperature internal formation method of the power type lead-acid storage battery according to claim 2, wherein the integrated safety valve above the acid pot is removed after the lead-acid storage battery enters a normal-temperature formation stage.
4. The high-temperature internal formation method for the power type lead-acid storage battery according to claim 1, 2 or 3, wherein the temperature of the lead-acid storage battery is reduced when the internal temperature of the lead-acid storage battery is higher than 70 ℃ in the high-temperature formation stage.
5. The high-temperature internal formation method of the power type lead-acid storage battery according to claim 1, 2 or 3, wherein the charging voltage values in the steps S306 and S310 are controlled within 15 v.
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| CN108448046B (en) * | 2018-02-05 | 2021-11-19 | 超威电源集团有限公司 | Acid extraction process for container formation battery |
| CN108777327B (en) * | 2018-04-28 | 2020-08-28 | 河南超威正效电源有限公司 | Formation method of intelligent start-stop lead-acid storage battery |
| CN109659638B (en) * | 2018-12-18 | 2021-08-17 | 超威电源集团有限公司 | Heavy-current formation process for power type lead storage battery |
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| CN101853968A (en) * | 2010-05-31 | 2010-10-06 | 张天任 | Internalized charging method for standby lead-acid battery |
| CN102437380A (en) * | 2011-12-06 | 2012-05-02 | 河南超威电源有限公司 | Method for internal chemical reaction in battery via charging five times and discharging four times |
| CN102723532A (en) * | 2012-05-27 | 2012-10-10 | 山东圣阳电源科技有限公司 | Rapid forming process used for internal formation of lead-acid storage batteries |
| CN102983366A (en) * | 2012-12-11 | 2013-03-20 | 浙江天能动力能源有限公司 | Method for container formation of lead-acid storage battery |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853968A (en) * | 2010-05-31 | 2010-10-06 | 张天任 | Internalized charging method for standby lead-acid battery |
| CN102437380A (en) * | 2011-12-06 | 2012-05-02 | 河南超威电源有限公司 | Method for internal chemical reaction in battery via charging five times and discharging four times |
| CN102723532A (en) * | 2012-05-27 | 2012-10-10 | 山东圣阳电源科技有限公司 | Rapid forming process used for internal formation of lead-acid storage batteries |
| CN102983366A (en) * | 2012-12-11 | 2013-03-20 | 浙江天能动力能源有限公司 | Method for container formation of lead-acid storage battery |
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Address after: 313100 Zhejiang city of Huzhou province Changxing County pheasant emerging urban industrial park Applicant after: Chaowei Power Group Co.,Ltd. Address before: 313100 Zhejiang city of Huzhou province Changxing County pheasant emerging urban industrial park Applicant before: CHILWEE POWER Co.,Ltd. |
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Denomination of invention: A high temperature internalization method for power lead acid battery Effective date of registration: 20210630 Granted publication date: 20200630 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changxing County branch Pledgor: Chaowei Power Group Co.,Ltd. Registration number: Y2021330000727 |
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Date of cancellation: 20231016 Granted publication date: 20200630 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changxing County branch Pledgor: Chaowei Power Group Co.,Ltd. Registration number: Y2021330000727 |