CN108598609B - Internal formation process of colloid power lead-acid storage battery - Google Patents
Internal formation process of colloid power lead-acid storage battery Download PDFInfo
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000003860 storage Methods 0.000 title claims abstract description 37
- 239000002253 acid Substances 0.000 title claims abstract description 36
- 239000000084 colloidal system Substances 0.000 title claims abstract description 24
- 238000007600 charging Methods 0.000 claims abstract description 154
- 239000003792 electrolyte Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 59
- 208000028659 discharge Diseases 0.000 claims description 30
- 238000000605 extraction Methods 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 238000010277 constant-current charging Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910001868 water Inorganic materials 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- RCIVOBGSMSSVTR-UHFFFAOYSA-L stannous sulfate Chemical compound [SnH2+2].[O-]S([O-])(=O)=O RCIVOBGSMSSVTR-UHFFFAOYSA-L 0.000 claims description 4
- 229910000375 tin(II) sulfate Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021485 fumed silica Inorganic materials 0.000 claims description 2
- 230000010412 perfusion Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 235000013547 stew Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000013543 active substance Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- DKYWVDODHFEZIM-UHFFFAOYSA-N ketoprofen Chemical compound OC(=O)C(C)C1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 DKYWVDODHFEZIM-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 3
- 241000519995 Stachys sylvatica Species 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 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
- 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
-
- 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
- H01M10/121—Valve regulated lead acid batteries [VRLA]
-
- 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
Abstract
The invention relates to the technical field of storage batteries, in particular to a formation process for a colloid power lead-acid storage battery, wherein a colloid electrolyte is added into the storage battery, the storage battery is kept stand for 0.5-1 h, and a formation procedure sequentially comprises a ten-charge stage, nine alternating discharge stages, a standing stage and an acid pumping stage. The invention effectively solves the problem that the dynamic gel battery is difficult to be completely formed, can ensure that the positive plate of the gel battery is uniformly formed and the active substances are fully converted, and improves the formation quality of the gel battery. Meanwhile, the total formation time of the process is 27-51 h before 9 th discharge capacity detection and grouping discharge, and the total net charge amount is 3.4-8.75 times of the rated capacity, so that the charging capacity and formation time of the battery are reduced, the effective charging capacity of the battery is enhanced, the production capacity of the power gel battery is improved, the production cost of the battery is reduced, the production efficiency is improved, and the competitiveness of the battery in the market is improved.
Description
Technical Field
The invention relates to the technical field of storage batteries, in particular to a container formation process of a colloid power lead-acid storage battery.
Background
The formation of the lead-acid storage battery is a very critical process in the manufacture of the lead-acid storage battery, and the performance and the service life of the lead-acid storage battery are directly influenced by the quality of the formation process. Even if lead-acid storage batteries with the same formula, the same process and the same batch are used, different currents and different formation times are adopted in the formation process, so that the particle size and the arrangement form of the active materials are changed.
The lead-acid storage battery formation process generally comprises internal formation and external formation, and the internal formation and the external formation (slot formation) have the following advantages: the technological process simplifies the procedures of washing and drying the polar plate, replenishing and charging the battery, mounting, welding, taking the plate and the like in the groove type formation, saves a large amount of energy (pure water, acid, electricity and other energy), working hours, occupies small area, does not need to purchase groove forming equipment and acid mist preventing equipment, and can reduce the cost of the battery to a certain extent. The polar plate is not easy to be polluted by impurities, the self-discharge of the battery can be reduced, the consistency of the battery is improved, and the service life of the battery is prolonged.
The conventional power type AGM valve-controlled lead-acid storage battery generally adopts an internal formation process of three-charge two-discharge and four-charge three-discharge, and the process can ensure that the formation of a positive plate of the AGM battery is uniform and active substances are fully converted. However, the existence of the colloidal electrolyte can delay the diffusion speed of the electrolyte, and increase the internal resistance of the battery to play a negative role in the formation effect, so that when the three-charge two-discharge process and the four-charge three-discharge formation process are adopted in the formation of the colloid-powered lead-acid battery, the positive plate is difficult to be thoroughly formed, a plurality of white spots appear on the surface, the internal resistance is high in the formation process, the polarization of the positive electrode is increased, a large amount of electricity is used for the electrolysis of incoming water in the formation process, a large amount of energy loss is caused, the production cost of the battery is increased, and the water loss in the formation process is increased, so that the.
Disclosure of Invention
The invention provides a container formation process of a colloid-powered lead-acid storage battery, which aims to solve the problems of difficult container formation, high energy consumption, large internal resistance and influence on the performance of the battery in the conventional container formation process of the colloid-powered lead-acid storage battery and has uniform battery positive plate formation and sufficient active material conversion.
In order to achieve the purpose, the invention adopts the following technical scheme:
the formation process of the colloid power lead-acid storage battery comprises the following steps of adding colloid electrolyte into the storage battery, standing for 0.5-1 h, and sequentially carrying out the formation procedure:
(1) a charging stage: charging for 3-5 h with 0.1-0.15C current, and then charging for 3-5 h with 0.15-0.2C current;
(2) a first discharge stage: discharging for 0.5-1 h with 0.1-0.2C current;
(3) a second charging stage: charging for 3-5 h with 0.15-0.2C current;
(4) a second discharge stage: discharging for 0.5-1 h with 0.1-0.2C current;
(5) a third charging stage: charging for 2-4 h with 0.2-0.25C current;
(6) a third stage: discharging for 0.5-1 h with 0.1-0.2C current;
(7) a fourth charging stage: charging for 2-4 h with 0.25-0.3C current;
(8) a fourth stage: discharging for 0.5-1 h with 0.1-0.2C current;
(9) a fifth charging stage: charging for 2-4 h with 0.3-0.35C current;
(10) a fifth stage: discharging for 0.5-1 h with 0.1-0.2C current;
(11) six charging stages: charging for 2-4 h with 0.15-0.25C current;
(12) a sixth stage: discharging for 0.5-1 h by 0.2C current;
(13) and a seven-charging stage: charging for 2-4 h with 0.15-0.25C current;
(14) a seventh stage: discharging for 0.5-1 h with 0.1-0.2C current;
(15) eight charging stages: charging for 2-4 h with 0.15-0.25C current;
(16) an eighth discharge stage: discharging for 0.5-1 h with 0.1-0.2C current;
(17) nine fill stages: charging for 2-4 h with 0.15-0.25C current;
(18) a ninth stage: discharging to 1.75V/cell at 0.5C;
(19) a ten-charging stage: charging for 3-5 h with 0.25-0.35C current, and then charging for 1-2 h with 0.1-0.15C current;
(20) a standing stage: standing for 0.5-1 h;
(21) acid extraction stage: and performing constant current charging for 2-3 h at 0.02-0.04 ℃ and then performing acid extraction.
Preferably, the temperature of the storage battery is controlled to be 25-50 ℃ in the formation process.
The internal formation process of the colloid power lead-acid storage battery adopts a 10-charge 9-discharge charging process, the temperature of the battery is strictly controlled between 25 and 50 ℃ in the formation process, and simultaneously, the charging current and the charging time of each charging and discharging stage are optimized, wherein C represents the rated capacity of the battery.
Preferably, in the step (1), the charge capacity in the first charging stage is 0.75-1.75 times of the rated capacity, the formation of an early grid corrosion layer is ensured, the bonding force between the grid and the active substance is enhanced, and then the electrochemical polarization is removed by low-current discharge for 0.5-1 h.
Preferably, in the steps (2) to (10), the electric charge amount in the second charge stage to the fifth discharge stage is 1.25 to 3.8 times of the rated electric charge amount.
And gradually and slowly increasing the charging current from the second charging stage to the fifth discharging stage, and simultaneously alternately using small current discharge depolarization in the charging process to enhance the utilization efficiency of the charging current and completely convert most active substances, wherein the net charging amount from the second charging stage to the fifth discharging stage is 1.25-3.8 times of the rated electric quantity. And in the six to nine charging and discharging stages, the white spot phenomenon on the surface of the positive plate is solved through continuous charging and discharging pulsing, the service performance of the battery is improved, and the cycle life of the battery is prolonged. The nine discharging stage is a battery capacity detection and battery matching discharging stage, and the ten charging stage is a supplementary capacity recovery stage after the battery is discharged.
Therefore, the invention has the following beneficial effects: the problem that the power type gel battery is difficult to form completely is effectively solved, the formation uniformity of the positive plate of the gel battery can be ensured, the active substances are fully converted, and the formation quality in the gel battery is improved. Meanwhile, the total formation time of the process is 27-55 h before 9 th discharge capacity detection and grouping discharge, and the total net charge amount is 3.4-8.75 times of the rated capacity, so that the charging capacity and formation time of the battery are reduced, the effective charging capacity of the battery is enhanced, the production capacity of the power gel battery is improved, the production cost of the battery is reduced, the production efficiency is improved, and the competitiveness of the battery in the market is improved.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples.
In the present invention, all the equipment and materials are commercially available or commonly used in the art, and the methods in the following examples are conventional in the art unless otherwise specified.
The embodiment of the invention adopts 6-DZM-20 (the rated capacity is 20Ah and the power colloid lead-acid storage battery for the electric power-assisted vehicle is taken as an example.
Example 1
Adding a colloidal electrolyte into a storage battery: preparing electrolyte with 37.5 percent of sulfuric acid, 1.5 percent of sodium sulfate and 0.5 percent of stannous sulfate by using concentrated sulfuric acid, pure water (the conductivity is less than 2 mu S/cm), sodium sulfate and stannous sulfate, then adding fumed silica while shearing to prepare colloid electrolyte with the colloid concentration of 2.5 percent and the sulfuric acid electrolyte density of 1.250-1.260 g/ml, adding the prepared colloid electrolyte into a battery in a vacuum perfusion mode, standing for 0.5h, controlling the temperature of the battery at 25 ℃, and sequentially performing a formation procedure comprising the following steps:
(1) a charging stage: charging for 5h by 0.1C current, and then charging for 5h by 0.15C current; the charging quantity in the first charging stage is 1.25 times of the rated capacity;
(2) a first discharge stage: discharging for 1h at 0.1C;
(3) a second charging stage: charging for 5h with 0.15C current;
(4) a second discharge stage: discharging for 1h at 0.1C;
(5) a third charging stage: charging for 4h with 0.2C current;
(6) a third stage: discharging for 1h at 0.1C;
(7) a fourth charging stage: charging for 4h with 0.25C current;
(8) a fourth stage: discharging for 1h at 0.1C;
(9) a fifth charging stage: charging for 4h with 0.3C current;
(10) a fifth stage: discharging for 1h at 0.1C; the charging quantity is 3.35 times of the rated quantity in the second charging stage to the fifth discharging stage;
(11) six charging stages: charging for 4h with 0.15C current;
(12) a sixth stage: discharging at 0.2C for 0.5 h;
(13) and a seven-charging stage: charging for 4h with 0.15C current;
(14) a seventh stage: discharging for 1h at 0.1C;
(15) eight charging stages: charging for 4h with 0.15C current;
(16) an eighth discharge stage: discharging for 1h at 0.1C;
(17) nine fill stages: charging for 4h with 0.15C current;
(18) a ninth stage: discharging to 1.75V/cell at 0.5C;
(19) a ten-charging stage: firstly charging for 5 hours by 0.25C current, and then charging for 2 hours by 0.1C current;
(20) a standing stage: standing for 0.5 h;
(21) acid extraction stage: and (4) performing constant current charging at 0.02C for 3h, and then performing acid extraction.
Example 2
Adding colloidal electrolyte into a storage battery, standing for 1h, controlling the temperature of the storage battery at 30 ℃, and sequentially performing a formation procedure comprising the following steps:
(1) a charging stage: charging for 3h by 0.15C current, and then charging for 3h by 0.2C current; the charging quantity in the first charging stage is 1.05 times of the rated capacity;
(2) a first discharge stage: discharging at 0.2C for 0.5 h;
(3) a second charging stage: charging for 3h with 0.2C current;
(4) a second discharge stage: discharging at 0.2C for 0.5 h;
(5) a third charging stage: charging for 2h with 0.25C current;
(6) a third stage: discharging at 0.2C for 0.5 h;
(7) a fourth charging stage: charging for 2h with 0.3C current;
(8) a fourth stage: discharging at 0.2C for 0.5 h;
(9) a fifth charging stage: charging for 2h with 0.35C current;
(10) a fifth stage: discharging at 0.2C for 0.5 h; the charging quantity of the secondary charging stage to the fifth discharging stage is 2 times of the rated power;
(11) six charging stages: charging for 2h with 0.25C current;
(12) a sixth stage: discharging at 0.2C for 0.5 h;
(13) and a seven-charging stage: charging for 2h with 0.25C current;
(14) a seventh stage: discharging at 0.2C for 0.5 h;
(15) eight charging stages: charging for 2h with 0.25C current;
(16) an eighth discharge stage: discharging at 0.2C for 0.5 h;
(17) nine fill stages: charging for 2h with 0.25C current;
(18) a ninth stage: discharging to 1.75V/cell at 0.5C;
(19) a ten-charging stage: firstly charging for 3 hours by 0.35C current, and then charging for 1 hour by 0.15C current;
(20) a standing stage: standing for 1 h;
(21) acid extraction stage: and performing constant current charging at 0.04C for 2-3 h, and then performing acid extraction.
Example 3
Adding colloidal electrolyte into a storage battery, standing for 0.75h, controlling the temperature of the storage battery at 45 ℃, and sequentially performing a formation procedure comprising the following steps:
(1) a charging stage: firstly charging for 4 hours by 0.125C current, and then charging for 3 hours by 0.15C current; the charging quantity in the first charging stage is 0.95 times of the rated capacity;
(2) a first discharge stage: discharging at 0.1C for 0.75 h;
(3) a second charging stage: charging for 3h at 0.175 current;
(4) a second discharge stage: discharging at 0.15C for 0.5 h;
(5) a third charging stage: charging for 4h with 0.2C current;
(6) a third stage: discharging at 0.15C for 0.5 h;
(7) a fourth charging stage: charging for 4h with 0.25C current;
(8) a fourth stage: discharging at 0.15C for 0.5 h;
(9) a fifth charging stage: charging for 4h with 0.35C current;
(10) a fifth stage: discharging at 0.15C for 0.5 h; the charging quantity is 3.425 times of the rated quantity in the second charging stage to the fifth discharging stage;
(11) six charging stages: charging for 3h at a current of 0.175C;
(12) a sixth stage: discharging at 0.2C for 0.5 h;
(13) and a seven-charging stage: charging for 3h at a current of 0.175C;
(14) a seventh stage: discharging at 0.2C for 0.5 h;
(15) eight charging stages: charging for 3h at a current of 0.175C;
(16) an eighth discharge stage: discharging at 0.2C for 0.5 h;
(17) nine fill stages: charging for 3h at a current of 0.175C;
(18) a ninth stage: discharging to 1.75V/cell at 0.5C;
(19) a ten-charging stage: firstly charging for 4 hours by 0.35C current, and then charging for 2 hours by 0.15C current;
(20) a standing stage: standing for 0.5 h;
(21) acid extraction stage: and (4) performing constant current charging at 0.03 ℃ for 2h, and then performing acid extraction.
Comparative example
The comparative example is formed by adopting a workshop conventional process:
adding colloidal electrolyte into a storage battery, standing for 1.5h, controlling the temperature of the storage battery at 50 ℃, and sequentially performing a formation procedure comprising the following steps:
(1) a charging stage: firstly, charging for 2h by 0.075C current;
(2) a second charging stage: charging for 35h with 0.185C current;
(3) a third charging stage: charging for 15h with 0.14C current;
(4) a first discharge stage: discharging for 3h at 0.25C;
(5) a fourth charging stage: charging for 20h at 0.175C;
(6) a fifth charging stage: discharging at 0.125 deg.C for 20 h;
(7) a second discharge stage: discharging at 0.25C for 5 h;
(8) a second discharge stage: then discharging to 1.75 v/cell with 0.5C current;
(9) six charging stages: charging for 8h at 0.175C;
(10) and a seven-charging stage: charging for 10h at 0.125C;
(11) standing: 2 h;
(12) acid extraction: charging for 2h at 0.1C current and limited voltage of 2.5 v/cell; .
The performance of the colloid storage battery obtained by the internal formation process of the colloid power lead-acid storage battery in the embodiments 1 to 3 and the colloid storage battery obtained by the internal formation process of the comparative example are detected according to GB/T22199-:
TABLE 1 test results
As can be seen from table 1, the performance indexes of the colloid storage battery obtained by the internal formation process of the colloid power lead-acid storage battery provided by the invention meet the national standards, the colloid formed by the method has better performance in other aspects than the battery formed by the traditional method, the charging capacity and formation time of the battery are reduced, the effective charging capacity of the battery is enhanced, the production capacity of the power colloid battery is improved, the production cost of the battery is reduced, the production efficiency is improved, and the competitiveness of the battery in the market is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (4)
1. The utility model provides a colloid power lead acid battery internalization becomes technology, a serial communication port, add colloidal electrolyte in the battery, prepare sulfuric acid mass fraction 37.5% with concentrated sulfuric acid, pure water, sodium sulfate, stannous sulfate earlier, sodium sulfate 1.5%, stannous sulfate 0.5%'s electrolyte, then add fumed silica while shearing and prepare colloid concentration 2.5%, the colloidal electrolyte of sulfuric acid electrolyte density 1.250~1.260g/ml, the colloidal electrolyte who configures adds in the battery through the vacuum perfusion mode, 0.5~1h stews, the formation procedure includes the following step in proper order:
(1) a charging stage: charging for 3-5 h with 0.1-0.15C current, and then charging for 3-5 h with 0.15-0.2C current;
(2) a first discharge stage: discharging for 0.5-1 h with 0.1-0.2C current;
(3) a second charging stage: charging for 3-5 h with 0.15-0.2C current;
(4) a second discharge stage: discharging for 0.5-1 h with 0.1-0.2C current;
(5) a third charging stage: charging for 2-4 h with 0.2-0.25C current;
(6) a third stage: discharging for 0.5-1 h with 0.1-0.2C current;
(7) a fourth charging stage: charging for 2-4 h with 0.25-0.3C current;
(8) a fourth stage: discharging for 0.5-1 h with 0.1-0.2C current;
(9) a fifth charging stage: charging for 2-4 h with 0.3-0.35C current;
(10) a fifth stage: discharging for 0.5-1 h with 0.1-0.2C current;
(11) six charging stages: charging for 2-4 h with 0.15-0.25C current;
(12) a sixth stage: discharging for 0.5-1 h by 0.2C current;
(13) and a seven-charging stage: charging for 2-4 h with 0.15-0.25C current;
(14) a seventh stage: discharging for 0.5-1 h with 0.1-0.2C current;
(15) eight charging stages: charging for 2-4 h with 0.15-0.25C current;
(16) an eighth discharge stage: discharging for 0.5-1 h with 0.1-0.2C current;
(17) nine fill stages: charging for 2-4 h with 0.15-0.25C current;
(18) a ninth stage: discharging to 1.75V/cell at 0.5C;
(19) a ten-charging stage: charging for 3-5 h with 0.25-0.35C current, and then charging for 1-2 h with 0.1-0.15C current;
(20) a standing stage: standing for 0.5-1 h;
(21) acid extraction stage: and performing constant current charging for 2-3 h at 0.02-0.04 ℃ and then performing acid extraction.
2. The internal formation process of the colloid power lead-acid storage battery according to claim 1, wherein in the formation process, the temperature of the storage battery is controlled to be 25-50 ℃.
3. The internal formation process of the colloid power lead-acid storage battery according to the claim 1 or 2, characterized in that in the step (1), the charging quantity in a charging stage is 0.75-1.75 times of the rated capacity.
4. The internal formation process of the colloid power lead-acid storage battery according to the claim 1 or 2, characterized in that in the steps (2) to (10), the charge capacity is 1.25-3.8 times of the rated charge capacity in the second charge stage to the fifth discharge stage.
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| CN109148992B (en) * | 2018-11-29 | 2019-04-02 | 湖南丰日电源电气股份有限公司 | Tubular colloidal battery rapid internalization is at technique |
| 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 |
| CN110085933B (en) * | 2019-03-26 | 2020-11-10 | 天能电池集团股份有限公司 | Lead storage battery matching method |
| CN111477982B (en) * | 2020-04-15 | 2021-12-28 | 天能电池(芜湖)有限公司 | Formation process of low-charging-rate CNF battery for energy storage |
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