CN114267888A - 2V battery production system and production process thereof - Google Patents
2V battery production system and production process thereof Download PDFInfo
- Publication number
- CN114267888A CN114267888A CN202111618949.4A CN202111618949A CN114267888A CN 114267888 A CN114267888 A CN 114267888A CN 202111618949 A CN202111618949 A CN 202111618949A CN 114267888 A CN114267888 A CN 114267888A
- Authority
- CN
- China
- Prior art keywords
- drying
- battery
- curing
- charging
- relative humidity
- Prior art date
- 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.)
- Granted
Links
Images
Classifications
-
- 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 belongs to the technical field of lead-acid storage battery production, and particularly relates to a 2V battery production system and a production process thereof. The production process comprises the steps of paste mixing, plate coating, surface drying, curing and drying, electrode group welding, groove entering, cover sealing, terminal welding, acid adding, formation charging and test analysis. The invention has the beneficial effects that: all processes in the whole production system are relatively centralized, the production line is short, all production devices are close in distance, the process operation is convenient, and the resource waste in the processes of transportation and the like is reduced. And the whole production system is centralized in a single workshop, the production test requirements of storage batteries with various specifications can be met, the development cost of products can be effectively reduced, the development period is shortened, the energy is saved, the consumption is reduced, and the green and environment-friendly production is realized.
Description
Technical Field
The invention belongs to the technical field of lead-acid storage battery production, and particularly relates to a 2V battery production system and a production process thereof.
Background
In the lead-acid storage battery industry, particularly under the influence OF different market applications and different regional environments, the requirements on products are different, different customer requirements and different vehicle-mounted installation conditions are added, so that the DESIGN OF the storage battery is also differentiated, the DESIGN is mainly reflected in the change OF materials, formulas and structures OF the battery, the common method is to obtain the test times by means OF a DOE (DESIGN OF EXPERIMENT) test model, verify that the test batch always reaches more than 10 schemes once, manufacture polar plates with different formulas, then manufacture different battery samples to perform parallel contrast test analysis, so as to obtain the optimal battery DESIGN, thereby meeting the market applications and the customer requirements.
When a traditional test is carried out, by means of existing production line equipment, tooling molds, personnel, places and the like, the energy consumption is extremely high, the material waste is large, the process debugging rejection rate is increased, and the test cost is increased; when a plurality of products are tested at the same time, the production line needs to be subjected to repeated model changing production, so that a large amount of manpower, material resources, time and the like are wasted; in addition, due to the manufacturability difference of the plate coating equipment, the manufacturability of the polar plate sample is deteriorated due to the change of the formula, the scrapping proportion in the process is very high, even the polar plate sample cannot be produced, the machine is stopped, and the test cannot be carried out. The production period is long in the process of borrowing the production line test, so that the time for delivering the sample to a client is prolonged, and the rapid change of the market is not easily coped with. Therefore, a small-sized test production system and a production process which can meet the production test requirements of storage batteries with various specifications need to be researched and developed urgently, the development cost of products is effectively reduced, the development period is shortened, energy is saved, consumption is reduced, and the environment is protected.
Disclosure of Invention
In view of the above situation, the invention aims to introduce a 2V battery production system and a production process thereof to meet the production test requirements of storage batteries with various specifications, effectively reduce the development cost of products, shorten the development period, save energy, reduce consumption and realize green and environment-friendly production.
In order to achieve the above object, according to one aspect of the present invention, the following technical solutions are adopted:
A2V battery production system and a production process thereof comprise:
the method is characterized in that the lead powder adding amount of the lead powder is 5 Kg-100 Kg in one-time paste mixing, the small paste mixing machine is used for realizing a single-group storage battery formula test, and materials of different storage battery formula components are made into lead paste meeting the formula parameter requirements;
the small-sized coating machine is used for uniformly coating the lead plaster produced by the small-sized paste mixing machine on an electric conductor grid according to the parameter requirements of the plate to manufacture a raw positive wet plate and a raw negative wet plate;
the drying channel is used for surface drying the raw anode wet polar plate or the raw cathode wet polar plate;
the high-temperature high-humidity curing box is used for curing and drying the surface-dried green plate to obtain a cured positive green plate and a cured negative green plate with Pb content less than 3% and moisture content less than 1%;
the welding table is used for welding the assembled and solidified positive pole green plates together and welding the assembled and solidified negative pole green plates with the positive pole column, and welding the assembled and solidified negative pole green plates together and welding the assembled and solidified negative pole green plates with the negative pole column to form a pole group;
the assembling table is used for manually placing the pole group into the 2V battery jar;
the glue capping table is used for gluing the 2V battery jar placed in the pole group with a matched battery cover to obtain a battery body;
the glue drying box is used for drying the battery body for 1h at the temperature of 60 ℃;
the welding table is used for welding the dried battery body with positive and negative connecting terminals by using oxyacetylene welding so as to respectively weld the positive and negative electrodes of the electrode group with positive and negative lead sleeves on the battery cover together to obtain a primary battery product;
the acid adding table is used for completing the acid adding operation of the primary battery product;
the water bath formation tank is used for placing the primary battery product after acid addition, is convenient to adopt a 2V charging and discharging machine for formation charging and performance testing, and is filled with circulating cooling water for reducing high temperature generated in the charging process of the battery.
Preferably, the equipment height of the small paste mixer is 1.8m, the coating line length of the small plate coating machine is 3.2m, the length of the high-temperature high-humidity curing box is 2m, the depth of the high-temperature high-humidity curing box is 1.5m, the water bath forming groove length is 2m, the width of the water bath forming groove is 1.2m, and the small plate coating machine comprises an upper layer and a lower layer.
Based on another aspect of the present invention, a 2V battery production system is provided, which includes the following steps:
(1) and (3) mixing paste: adding lead powder and additive according to the formula of lead-acid storage battery with corresponding specification, dry-mixing and stirring for 10min, adding pure water, wet-mixing and stirring for 10min, and adding lead powder with density of 1.4g/cm3Stirring the lead plaster with sulfuric acid and acid for 5min, adding sodium perborate in a dispersing way, stirring the lead plaster for 12min, detecting the apparent density and the moisture of the lead plaster after 10min of final mixing, filling the lead plaster into a plastic bag with the volume of 30Kg when the temperature of the lead plaster is lower than 49 ℃ after the penetration is qualified, and sealing and storing the lead plaster;
(2) coating a plate: uniformly coating 130g +/-1 g of lead paste on a single slab lattice with the weight of 46.5g +/-1 g to prepare a roll with the apparent density of 4.40g/cm +/-0.10 g/cm3The positive electrode wet polar plate and the negative electrode wet polar plate;
(3) surface drying: drying the raw anode wet polar plate or the raw cathode wet polar plate under the conditions that the summer temperature is less than or equal to 150 ℃ and the winter temperature is less than or equal to 160 ℃ until the water content is 9.6-12 percent, the thickness is 2.1mm +/-1.0 mm, the flatness is less than or equal to 0.08mm, and the weight is 163g +/-4.0 g;
(4) curing and drying: respectively curing and drying the positive electrode green plate and the negative electrode green plate in a high-temperature high-humidity curing box to obtain the cured positive electrode green plate and the cured negative electrode green plate with Pb content less than 3% and moisture less than 1%;
(5) welding the electrode group: welding all the assembled and solidified positive pole plates together and welding the assembled and solidified positive pole plates with the positive pole columns, and welding all the assembled and solidified negative pole plates together and welding the assembled and solidified negative pole plates with the negative pole columns to form a pole group;
(6) entering a groove: manually assembling the pole group into a specially-made 2V battery jar;
(7) and (4) capping: gluing the 2V battery jar placed in the pole group with a matched battery cover to obtain a battery body, and then drying for 1h in a drying oven at 60 ℃;
(8) terminal welding: welding the dried battery body with positive and negative connecting terminals by using oxyacetylene welding to respectively weld the positive and negative electrodes of the electrode group with positive and negative lead sleeves on the battery cover to obtain a primary battery product;
(9) adding acid: adding sulfuric acid with a temperature below 20 ℃ and a density of 1.25g/cm for carrying out +/-0.003 g/cm flowering in the battery primary product under the condition that the temperature is not more than 40 ℃, wherein the acid adding amount is 500ml +/-3 ml, the sulfuric acid is colorless and transparent in appearance, and the content of Fe is not more than 0.002%;
(10) formation charging: and (3) placing the acid-added battery primary product in a water-bath formation tank, and performing formation charging by adopting a 2V charging and discharging machine, wherein the charging amount is 198Ah, and the total charging time is 11h, so as to obtain a 2V battery finished product.
(11) And (3) testing and analyzing: and synchronously carrying out performance test on the battery in the formation charging process, and analyzing the test data collected by the charging system to obtain the optimal DOE scheme.
Preferably, the step (3) of curing and drying the positive electrode plate comprises the following steps:
step 1, curing at 96 ℃, at 99% relative humidity for 3 h; the circulating air volume is 20%;
step 3, curing at 50 ℃, at a relative humidity of 90% for 6 h; the circulating air volume is 30%;
step 4, curing at 55 ℃, at a relative humidity of 80% for 6 h; the circulating air volume is 30%;
step 5, curing for 3 hours at the temperature of 60 ℃ and the relative humidity of 70%; the circulating air volume is 40%;
step 7, curing at 70 ℃, with relative humidity of 50% for 2 h; the circulating air volume is 50%;
step 8, drying at 75 ℃ with relative humidity of 30% for 2 h; the circulating air volume is 50%;
step 9, drying at 75 ℃ for 10h with relative humidity of 0%; the circulating air volume is 50%;
step 10, drying at 40 ℃ and with relative humidity of 0% for 1 h; the circulating air volume is 50%.
Preferably, the step (3) of curing and drying the negative green plate comprises the following steps:
step 1, curing for 3 hours at 50 ℃ and 98% relative humidity; the circulating air volume is 30%;
step 3, curing at 50 ℃, at a relative humidity of 80% for 6 h; the circulating air volume is 50%;
step 4, curing at 50 ℃, at a relative humidity of 60% for 3 h; the circulating air volume is 50%;
step 5, drying at 60 ℃ under the relative humidity of 30% for 2 h; the circulating air volume is 50%;
step 7, drying at 75 ℃ for 14h with relative humidity of 0%; the circulating air volume is 50%;
step 8, drying at 40 ℃ and with relative humidity of 0% for 1 h; the circulating air volume is 50%.
Preferably, in the step (10), the formation charging step is:
step 1, the charging current is 2A, and the charging time is 2 min;
step 3, charging current is 24A, and charging time is 10 min;
step 4, the charging current is 30A, and the charging time is 133 min;
step 5, the charging current is 0A, and the charging time is 60 min;
step 7, the charging current is 23A, and the charging time is 100 min;
step 8, the charging current is 0A, and the charging time is 30 min;
step 9, the charging current is 23A, and the charging time is 100 min;
step 10, the charging current is 0A, and the charging time is 2 min;
step 11, the charging current is-24A, and the charging time is 30 min;
in step 12, the charging current is 20A, and the charging time is 182 min.
The invention also includes other components, devices or steps which are conventional in the art, and the non-limiting steps, devices or components of the invention are known in the art.
Compared with the prior art, the invention has the beneficial effects that:
the whole production system has the advantages of relatively centralized processes, short production line and short distance between production devices, is convenient for flow operation, and is beneficial to reducing resource waste in the processes of transportation and the like. And the whole production system is centralized in a single workshop, the production test requirements of storage batteries with various specifications can be met, the development cost of products can be effectively reduced, the development period is shortened, the energy is saved, the consumption is reduced, and the green and environment-friendly production is realized.
Drawings
FIG. 1 is a layout diagram of a production system of the present invention in example 1.
FIG. 2 is a flow chart of the production process of the present invention in example 2.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention.
It should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate orientations and positional relationships based on drawings, and are only for convenience of description.
Example 1
As shown in fig. 1, the present invention provides a 2V battery production system, comprising:
the small paste mixer 1 is used for realizing a single-group storage battery formula test, and the lead powder adding amount of the once paste mixing is 5 Kg-100 Kg, so that materials of different storage battery formula components are made into lead paste meeting the formula parameter requirements;
the small-sized coating machine 2 is used for uniformly coating the lead plaster produced by the small-sized paste mixing machine on an electric conductor grid according to the parameter requirements of the plate to manufacture a raw positive wet plate and a raw negative wet plate;
the drying channel 3 is used for surface drying the raw anode wet polar plate or the raw cathode wet polar plate;
a high-temperature high-humidity curing box 4 for curing and drying the surface-dried green plate to obtain a cured positive green plate and a cured negative green plate with Pb content less than 3% and moisture content less than 1%;
the assembling table 5 is used for manually placing the pole group into the 2V battery jar;
the welding table 6 is used for welding the assembled and solidified positive pole green plates together and welding the assembled and solidified positive pole green plates with the positive pole column, and welding the assembled and solidified negative pole green plates together in number and welding the assembled and solidified negative pole green plates with the negative pole column to form a pole group;
the glue capping table 7 is used for gluing the 2V battery jar placed in the pole group with a matched battery cover to obtain a battery body;
the glue drying box 8 is used for drying the battery body for 1h at the temperature of 60 ℃;
the welding table 9 is used for welding the dried battery body with positive and negative connecting terminals by using oxyacetylene welding to enable the positive and negative electrodes of the electrode group to be respectively welded with positive and negative lead sleeves on the battery cover to obtain a primary battery product;
an acid adding table 10 for completing the acid adding operation of the battery primary product;
the water-bath formation tank 11 is used for placing the primary battery product after the acid is added, and is convenient for formation charging and performance testing by adopting the 2V charging and discharging machine 12, and circulating cooling water is introduced into the water-bath formation tank and is used for reducing the high temperature generated in the charging process of the battery.
Specifically, the height of the small paste mixer is 1.8m, the length of a coating line of the small paste coating machine is 3.2m, the length of a high-temperature high-humidity curing box is 2m, the depth of the high-temperature high-humidity curing box is 1.5m, the length of a water bath formation groove is 2m, the width of the water bath formation groove is 1.2m, and the small paste mixer comprises an upper layer and a lower layer.
Example 2
As shown in fig. 2, the present invention provides a process for producing a 2V battery, comprising the steps of:
(1) and (3) mixing paste: adding lead powder and additive according to the formula of lead-acid storage battery with corresponding specification, dry-mixing and stirring for 10min, adding pure water, wet-mixing and stirring for 10min, and adding lead powder with density of 1.4g/cm3Stirring the lead plaster with sulfuric acid and acid for 5min, adding sodium perborate in a dispersing way, stirring the lead plaster for 12min, detecting the apparent density and the moisture of the lead plaster after 10min of final mixing, filling the lead plaster into a plastic bag with the volume of 30Kg when the temperature of the lead plaster is lower than 49 ℃ after the penetration is qualified, and sealing and storing the lead plaster;
(2) coating a plate: uniformly coating 130g +/-1 g of lead paste on a single slab lattice with the weight of 46.5g +/-1 g to prepare a positive wet plate and a negative wet plate with the apparent density of 4.40g/cm +/-0.10 g/cm3 after being rolled;
(3) surface drying: drying the raw anode wet polar plate or the raw cathode wet polar plate under the conditions that the summer temperature is less than or equal to 150 ℃ and the winter temperature is less than or equal to 160 ℃ until the water content is 9.6-12 percent, the thickness is 2.1mm +/-1.0 mm, the flatness is less than or equal to 0.08mm, and the weight is 163g +/-4.0 g;
(4) curing and drying: respectively curing and drying the positive electrode green plate and the negative electrode green plate in a high-temperature high-humidity curing box to obtain the cured positive electrode green plate and the cured negative electrode green plate with Pb content less than 3% and moisture less than 1%;
(5) welding the electrode group: welding all the assembled and solidified positive pole plates together and welding the assembled and solidified positive pole plates with the positive pole columns, and welding all the assembled and solidified negative pole plates together and welding the assembled and solidified negative pole plates with the negative pole columns to form a pole group;
(6) entering a groove: manually assembling the pole group into a specially-made 2V battery jar;
(7) and (4) capping: gluing the 2V battery jar placed in the pole group with a matched battery cover to obtain a battery body, and then drying for 1h in a drying oven at 60 ℃;
(8) terminal welding: welding the dried battery body with positive and negative connecting terminals by using oxyacetylene welding to respectively weld the positive and negative electrodes of the electrode group with positive and negative lead sleeves on the battery cover to obtain a primary battery product;
(9) adding acid: adding sulfuric acid with a temperature of below 20 ℃ and a density of 1.25g/cm for carrying out +/-0.003 g/cm flowering in the primary battery product at the temperature of less than or equal to 40 ℃, wherein the acid addition amount is 500ml +/-3 ml, the sulfuric acid is colorless and transparent in appearance, and the content of Fe is less than or equal to 0.002%;
(10) formation charging: and (3) placing the acid-added battery primary product in a water-bath formation tank, and performing formation charging by adopting a 2V charging and discharging machine, wherein the charging amount is 198Ah, and the total charging time is 11h, so as to obtain a 2V battery finished product.
(11) And (3) testing and analyzing: and synchronously carrying out performance test on the battery in the formation charging process, and analyzing the test data collected by the charging system to obtain the optimal DOE scheme.
Specifically, the curing and drying steps of the positive electrode plate in the step (3) are as follows:
step 1, curing at 96 ℃, at 99% relative humidity for 3 h; the circulating air volume is 20%;
step 3, curing at 50 ℃, at a relative humidity of 90% for 6 h; the circulating air volume is 30%;
step 4, curing at 55 ℃, at a relative humidity of 80% for 6 h; the circulating air volume is 30%;
step 5, curing for 3 hours at the temperature of 60 ℃ and the relative humidity of 70%; the circulating air volume is 40%;
step 7, curing at 70 ℃, with relative humidity of 50% for 2 h; the circulating air volume is 50%;
step 8, drying at 75 ℃ with relative humidity of 30% for 2 h; the circulating air volume is 50%;
step 9, drying at 75 ℃ for 10h with relative humidity of 0%; the circulating air volume is 50%;
step 10, drying at 40 ℃ and with relative humidity of 0% for 1 h; the circulating air volume is 50%.
Specifically, the step (3) of curing and drying the negative green plate comprises the following steps:
step 1, curing for 3 hours at 50 ℃ and 98% relative humidity; the circulating air volume is 30%;
step 3, curing at 50 ℃, at a relative humidity of 80% for 6 h; the circulating air volume is 50%;
step 4, curing at 50 ℃, at a relative humidity of 60% for 3 h; the circulating air volume is 50%;
step 5, drying at 60 ℃ under the relative humidity of 30% for 2 h; the circulating air volume is 50%;
step 7, drying at 75 ℃ for 14h with relative humidity of 0%; the circulating air volume is 50%;
step 8, drying at 40 ℃ and with relative humidity of 0% for 1 h; the circulating air volume is 50%.
Specifically, in the step (10), the formation charging step is:
step 1, the charging current is 2A, and the charging time is 2 min;
step 3, charging current is 24A, and charging time is 10 min;
step 4, the charging current is 30A, and the charging time is 133 min;
step 5, the charging current is 0A, and the charging time is 60 min;
step 7, the charging current is 23A, and the charging time is 100 min;
step 8, the charging current is 0A, and the charging time is 30 min;
step 9, the charging current is 23A, and the charging time is 100 min;
step 10, the charging current is 0A, and the charging time is 2 min;
step 11, the charging current is-24A, and the charging time is 30 min;
in step 12, the charging current is 20A, and the charging time is 182 min.
The whole production system only occupies 98 square meters, and compared with the lead-acid storage battery production system in the prior art which occupies about 3.2 square meters, the production system has the advantages that all working procedures are relatively centralized, the production line is short, all production devices are close in distance, the process operation is convenient, and the resource waste in the processes of transportation and the like is favorably reduced. And the whole production system is centralized in a single workshop, the production test requirements of storage batteries with various specifications can be met, the development cost of products can be effectively reduced, the development period is shortened, the energy is saved, the consumption is reduced, and the green and environment-friendly production is realized.
The technical solution of the present invention is not limited to the above-described specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments, and any technical modifications within the spirit and principle of the present invention fall within the protection scope of the present invention.
Claims (5)
1. A 2V battery production system, comprising:
the method is characterized in that the lead powder adding amount of the lead powder is 5 Kg-100 Kg in one-time paste mixing, the small paste mixing machine is used for realizing a single-group storage battery formula test, and materials of different storage battery formula components are made into lead paste meeting the formula parameter requirements;
the small-sized coating machine is used for uniformly coating the lead plaster produced by the small-sized paste mixing machine on an electric conductor grid according to the parameter requirements of the plate to manufacture a raw positive wet plate and a raw negative wet plate;
the drying channel is used for surface drying the raw anode wet polar plate or the raw cathode wet polar plate;
the high-temperature high-humidity curing box is used for curing and drying the surface-dried green plate to obtain a cured positive green plate and a cured negative green plate with Pb content less than 3% and moisture content less than 1%;
the welding table is used for welding the assembled and solidified positive pole green plates together and welding the assembled and solidified negative pole green plates with the positive pole column, and welding the assembled and solidified negative pole green plates together and welding the assembled and solidified negative pole green plates with the negative pole column to form a pole group;
the assembling table is used for manually placing the pole group into the 2V battery jar;
the glue capping table is used for gluing the 2V battery jar placed in the pole group with a matched battery cover to obtain a battery body;
the glue drying box is used for drying the battery body for 1h at the temperature of 60 ℃;
the welding table is used for welding the dried battery body with positive and negative connecting terminals by using oxyacetylene welding so as to respectively weld the positive and negative electrodes of the electrode group with positive and negative lead sleeves on the battery cover together to obtain a primary battery product;
the acid adding table is used for completing the acid adding operation of the primary battery product;
the water bath formation tank is used for placing the primary battery product after acid addition, is convenient to adopt a 2V charging and discharging machine for formation charging and performance testing, and is filled with circulating cooling water for reducing high temperature generated in the charging process of the battery.
2. A 2V battery production process, characterized in that the 2V battery production system of claim 1 is used for producing 2V batteries, comprising the following steps:
(1) and (3) mixing paste: adding lead powder and additive according to the formula of lead-acid storage battery with corresponding specification, dry-mixing and stirring for 10min, adding pure water, wet-mixing and stirring for 10min, and adding lead powder with density of 1.4g/cm3Stirring sulfuric acid and acid for 5min, dispersing and adding sodium perborate, stirring for 12min, detecting apparent density, water content and penetration of the lead plaster after 10min of final mixing is finished, filling the lead plaster into a plastic bag with the volume of 30Kg when the temperature of the lead plaster is lower than 49 ℃ after the lead plaster is qualified, and sealing and storing;
(2) coating a plate: in that130g +/-1 g of lead paste is uniformly coated on a slab lattice with the weight of 46.5g +/-1 g of single slab lattice, and the finished product of the slab lattice is prepared into a roll with the visual density of 4.40g/cm +/-0.10 g/cm3The positive electrode wet polar plate and the negative electrode wet polar plate;
(3) surface drying: drying the raw anode wet polar plate or the raw cathode wet polar plate under the conditions that the summer temperature is less than or equal to 150 ℃ and the winter temperature is less than or equal to 160 ℃ until the water content is 9.6-12 percent, the thickness is 2.1mm +/-1.0 mm, the flatness is less than or equal to 0.08mm, and the weight is 163g +/-4.0 g;
(4) curing and drying: respectively curing and drying the positive electrode green plate and the negative electrode green plate in a high-temperature high-humidity curing box to obtain the cured positive electrode green plate and the cured negative electrode green plate with Pb content less than 3% and moisture less than 1%;
(5) welding the electrode group: welding all the assembled and solidified positive pole plates together and welding the assembled and solidified positive pole plates with the positive pole columns, and welding all the assembled and solidified negative pole plates together and welding the assembled and solidified negative pole plates with the negative pole columns to form a pole group;
(6) entering a groove: manually assembling the pole group into a specially-made 2V battery jar;
(7) and (4) capping: gluing the 2V battery jar placed in the pole group with a matched battery cover to obtain a battery body, and then drying for 1h in a drying oven at 60 ℃;
(8) terminal welding: welding the dried battery body with positive and negative connecting terminals by using oxyacetylene welding to respectively weld the positive and negative electrodes of the electrode group with positive and negative lead sleeves on the battery cover to obtain a primary battery product;
(9) adding acid: adding sulfuric acid with a temperature of less than 20 ℃ and a density of 1.25g/cm for +/-0.003 g/cm into the primary battery product at a temperature of less than or equal to 40 ℃, wherein the acid addition amount is 500ml +/-3 ml, the sulfuric acid is colorless and transparent in appearance, and the content of Fe is less than or equal to 0.002%;
(10) formation charging: placing the acid-added primary battery product in a water bath formation tank, and performing formation charging by adopting a 2V charging and discharging machine, wherein the charging amount is 198Ah, and the total charging time is 11h to obtain a 2V battery finished product;
(11) and (3) testing and analyzing: and synchronously carrying out performance test on the battery in the formation charging process, and analyzing the test data collected by the charging system to obtain the optimal DOE scheme.
3. The production process according to claim 2, wherein the step of curing and drying the positive electrode green sheet in the step (3) is:
step 1, curing at 96 ℃, at 99% relative humidity for 3 h; the circulating air volume is 20%;
step 2, curing at 50 ℃, with relative humidity of 98% for 10 h; the circulating air volume is 30%;
step 3, curing at 50 ℃, at a relative humidity of 90% for 6 h; the circulating air volume is 30%;
step 4, curing at 55 ℃, at a relative humidity of 80% for 6 h; the circulating air volume is 30%;
step 5, curing for 3 hours at the temperature of 60 ℃ and the relative humidity of 70%; the circulating air volume is 40%;
step 6, curing at 65 ℃, at 60% relative humidity for 2 h; the circulating air volume is 40%;
step 7, curing at 70 ℃, with relative humidity of 50% for 2 h; the circulating air volume is 50%;
step 8, drying at 75 ℃ with relative humidity of 30% for 2 h; the circulating air volume is 50%;
step 9, drying at 75 ℃ for 10h with relative humidity of 0%; the circulating air volume is 50%;
step 10, drying at 40 ℃ and with relative humidity of 0% for 1 h; the circulating air volume is 50%.
4. The production process according to claim 2, wherein the step of curing and drying the negative green sheet in the step (3) is:
step 1, curing for 3 hours at 50 ℃ and 98% relative humidity; the circulating air volume is 30%;
step 2, curing at 50 ℃, with relative humidity of 90% for 5 h; the circulating air volume is 30%;
step 3, curing at 50 ℃, at a relative humidity of 80% for 6 h; the circulating air volume is 50%;
step 4, curing at 50 ℃, at a relative humidity of 60% for 3 h; the circulating air volume is 50%;
step 5, drying at 60 ℃ under the relative humidity of 30% for 2 h; the circulating air volume is 50%;
step 6, drying at 75 ℃ with relative humidity of 5% for 2 h; the circulating air volume is 50%;
step 7, drying at 75 ℃ for 14h with relative humidity of 0%; the circulating air volume is 50%;
step 8, drying at 40 ℃ and with relative humidity of 0% for 1 h; the circulating air volume is 50%.
5. The production process according to any one of claims 2 to 4, wherein in the step (10), the formation charging step is:
step 1, the charging current is 2A, and the charging time is 2 min;
step 2, the charging current is 14A, and the charging time is 10 min;
step 3, charging current is 24A, and charging time is 10 min;
step 4, the charging current is 30A, and the charging time is 133 min;
step 5, the charging current is 0A, and the charging time is 60 min;
step 6, the charging current is 5A, and the charging time is 2 min;
step 7, the charging current is 23A, and the charging time is 100 min;
step 8, the charging current is 0A, and the charging time is 30 min;
step 9, the charging current is 23A, and the charging time is 100 min;
step 10, the charging current is 0A, and the charging time is 2 min;
step 11, the charging current is-24A, and the charging time is 30 min;
in step 12, the charging current is 20A, and the charging time is 182 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111618949.4A CN114267888B (en) | 2021-12-28 | 2021-12-28 | 2V battery production system and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111618949.4A CN114267888B (en) | 2021-12-28 | 2021-12-28 | 2V battery production system and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114267888A true CN114267888A (en) | 2022-04-01 |
| CN114267888B CN114267888B (en) | 2023-09-26 |
Family
ID=80830904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111618949.4A Active CN114267888B (en) | 2021-12-28 | 2021-12-28 | 2V battery production system and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114267888B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001020699A1 (en) * | 1999-09-13 | 2001-03-22 | Yuerong Liu | A method of producing a lead-base plate for a storage battery |
| JP2007184124A (en) * | 2006-01-05 | 2007-07-19 | Matsushita Electric Ind Co Ltd | Method of manufacturing valve regulated lead acid battery, and valve regulated lead acid battery |
| JP2011181312A (en) * | 2010-03-01 | 2011-09-15 | Shin Kobe Electric Mach Co Ltd | Method of chemical conversion in battery container for lead-acid battery |
| CN107275644A (en) * | 2017-05-16 | 2017-10-20 | 浙江中锂新能源科技有限公司 | A kind of lead-acid accumulator rare earth alloy pole plate grid and lead-acid accumulator preparation method |
| CN109755481A (en) * | 2019-01-11 | 2019-05-14 | 天能电池集团有限公司 | A kind of manufacturing process improving lead storage battery cryogenic property |
| CN110690454A (en) * | 2019-09-16 | 2020-01-14 | 界首市南都华宇电源有限公司 | Production process of positive plate of storage battery |
| CN112582586A (en) * | 2020-11-13 | 2021-03-30 | 骆驼集团蓄电池研究院有限公司 | Preparation process of lead-acid battery suitable for high-temperature use |
| CN113675397A (en) * | 2021-08-23 | 2021-11-19 | 浙江巨江电源制造有限公司 | Deep-cycle long-life lead-acid storage battery lead paste for parking, battery thereof and manufacturing process method of battery |
-
2021
- 2021-12-28 CN CN202111618949.4A patent/CN114267888B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001020699A1 (en) * | 1999-09-13 | 2001-03-22 | Yuerong Liu | A method of producing a lead-base plate for a storage battery |
| JP2007184124A (en) * | 2006-01-05 | 2007-07-19 | Matsushita Electric Ind Co Ltd | Method of manufacturing valve regulated lead acid battery, and valve regulated lead acid battery |
| JP2011181312A (en) * | 2010-03-01 | 2011-09-15 | Shin Kobe Electric Mach Co Ltd | Method of chemical conversion in battery container for lead-acid battery |
| CN107275644A (en) * | 2017-05-16 | 2017-10-20 | 浙江中锂新能源科技有限公司 | A kind of lead-acid accumulator rare earth alloy pole plate grid and lead-acid accumulator preparation method |
| CN109755481A (en) * | 2019-01-11 | 2019-05-14 | 天能电池集团有限公司 | A kind of manufacturing process improving lead storage battery cryogenic property |
| CN110690454A (en) * | 2019-09-16 | 2020-01-14 | 界首市南都华宇电源有限公司 | Production process of positive plate of storage battery |
| CN112582586A (en) * | 2020-11-13 | 2021-03-30 | 骆驼集团蓄电池研究院有限公司 | Preparation process of lead-acid battery suitable for high-temperature use |
| CN113675397A (en) * | 2021-08-23 | 2021-11-19 | 浙江巨江电源制造有限公司 | Deep-cycle long-life lead-acid storage battery lead paste for parking, battery thereof and manufacturing process method of battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114267888B (en) | 2023-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105280957B (en) | A kind of power lithium battery automatic production line and its production technology | |
| CN104795249B (en) | A kind of novel battery capacitance based on compound positive and negative electrode material | |
| CN101807723B (en) | Lead-acid battery and manufacturing method thereof | |
| CN101262077A (en) | A high-capacity secure 26650 lithium ion battery and its making method | |
| CN106299514A (en) | A kind of compound method for lithium ion battery | |
| CN103515580B (en) | A kind of processing technology of lead-acid green plate battery | |
| CN102299384A (en) | 160AH lithium iron phosphate square battery and production process thereof | |
| CN101467284A (en) | Process for modifying the interfacial resistance of a metallic lithium electrode | |
| CN109616703A (en) | A kind of spirally wound lead acid battery sealing chemical synthesizing method | |
| CN107275644A (en) | A kind of lead-acid accumulator rare earth alloy pole plate grid and lead-acid accumulator preparation method | |
| CN102290568A (en) | 100 ampere hour (AH) lithium iron phosphate square battery and manufacturing process thereof | |
| CN102969511A (en) | Carbon fiber composite board grid and preparation method thereof | |
| CN109686909A (en) | A kind of high power lithium ion cell and preparation method thereof for middle low-speed cars | |
| CN113161511B (en) | Plastic electrode and preparation method thereof, and aqueous sodium ion battery and preparation method thereof | |
| CN114267888A (en) | 2V battery production system and production process thereof | |
| CN102709549A (en) | Tubular lead-acid battery positive pole squeezing cream and preparation method thereof | |
| CN102347513A (en) | High-performance aqueous lithium iron phosphate power battery and manufacture method thereof | |
| CN107863565A (en) | A kind of production technology of the special lead-acid accumulator of solar energy | |
| CN108933263A (en) | A kind of anode plate grid and preparation method thereof | |
| CN107611426A (en) | A kind of cathode lead plaster and preparation method thereof | |
| CN104466086A (en) | Preparation method of lead storage battery green plate for reducing dusting powder | |
| CN204732472U (en) | Flexible electrode and comprise the battery of this flexible electrode | |
| CN104022315A (en) | Horizontal dual-polar pipe type colloid storage battery and preparation method thereof | |
| CN106684449A (en) | Method for preparing cylinder lithium ion battery | |
| CN105080418A (en) | Lead-acid storage battery negative electrode plate negative pressure paste mixing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |