CN115764000A - Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof - Google Patents

Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof Download PDF

Info

Publication number
CN115764000A
CN115764000A CN202211582729.5A CN202211582729A CN115764000A CN 115764000 A CN115764000 A CN 115764000A CN 202211582729 A CN202211582729 A CN 202211582729A CN 115764000 A CN115764000 A CN 115764000A
Authority
CN
China
Prior art keywords
curing
plate
lead
storage battery
pickling
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.)
Pending
Application number
CN202211582729.5A
Other languages
Chinese (zh)
Inventor
田雪
邓永超
杨会杰
王刚
吴涛
战祥连
凌爱中
王银娟
李晶
刘雪峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zibo Torch Energy Co ltd
Original Assignee
Zibo Torch Energy Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zibo Torch Energy Co ltd filed Critical Zibo Torch Energy Co ltd
Priority to CN202211582729.5A priority Critical patent/CN115764000A/en
Publication of CN115764000A publication Critical patent/CN115764000A/en
Pending legal-status Critical Current

Links

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

Landscapes

  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention belongs to the technical field of tubular lead-acid storage batteries, and particularly relates to a non-energy-consumption cured and rapidly activated tubular lead-acid storage battery and a preparation method thereof. The preparation method comprises the following steps: the positive plate is immersed in acid with the density of 1.10-1.15 g/cm 3 Pickling by adopting a hot-temperature alternative pickling mode, then placing in a staggered stacking mode, and naturally curing for 10-12 h in a closed space to obtain a positive plate; curing and drying the negative green plate to obtain a negative plate; assembling the positive plate and the negative plate into a battery, firstly adopting constant voltage charging with charging voltage of 2.4V and charging time of 10-12 h, and then adopting constant current charging with charging current of 0.18C 5 And charging for 10-12 h to obtain the tubular lead-acid storage battery. The preparation method effectively reduces the preparation energy consumption of the storage battery, shortens the preparation time of the product, and improves the initial performance of the prepared tubular lead-acid storage battery.

Description

Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof
Technical Field
The invention belongs to the technical field of tubular lead-acid storage batteries, and particularly relates to a non-energy-consumption cured and rapidly activated tubular lead-acid storage battery and a preparation method thereof.
Background
At present, the commonly used tubular positive electrode production process flow is as follows: pickling, curing and drying, assembling and acid recycling. Wherein the pickling time of the positive plate is 8-12 h, and the pickling density is 1.0-1.06 g/cm 3 (ii) a The curing process is that the curing time is 24 hours, the humidity is controlled to be 70-90 percent, and the temperature is 30-50 ℃; drying for 48h at 50-60 ℃; and internal formation charging is carried out after curing and drying, and the internal formation time is 40-60 h. The production cycle of the tubular anode is long, the energy consumption is high, and the formation efficiency is low.
In order to reduce production energy consumption, shorten process time and improve industry competitiveness, a new preparation method of the tubular lead-acid storage battery needs to be researched.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the preparation method of the tubular lead-acid storage battery which is solidified without energy consumption and is activated rapidly is provided, so that the preparation energy consumption of the storage battery is effectively reduced, and the preparation time of the product is shortened; the invention also provides the tubular lead-acid storage battery prepared by the method, and the initial performance of the tubular lead-acid storage battery is improved.
The preparation method of the tubular lead-acid storage battery with no energy consumption curing and quick activation comprises the following steps:
(1) Pickling the positive electrode plate: the positive plate is soaked in acid by adopting a hot-temperature alternative pickling mode, the positive plate is soaked in acid for 10 to 15 seconds in a pickling tank at the temperature of between 45 and 50 ℃ and then soaked in acid for 15 to 20 seconds in a pickling tank at the temperature of between 25 and 30 ℃, and the pickling density is 1.10 to 1.15g/cm 3 ；
(2) Curing and drying the positive green plate: placing the immersed positive plate in a closed space for natural curing in a staggered stacking mode for 10-12 h to obtain a positive plate;
(3) Curing and drying the negative green plate: firstly, curing the negative plate for 8-10 h under the condition of humidity of 95-100%, then curing for 10-12 h under the condition of humidity of 70-75%, and finally drying for 10-12 h under the condition of 70-80 ℃ to obtain a negative plate;
(4) Assembling: assembling a positive plate and a negative plate into a plate group groove, sealing a battery shell cover through hot melting, pressing a sealing ring, and covering a liquid injection cover;
(5) Formation: the assembled battery is charged by adopting a constant voltage, the charging voltage is 2.4V, the charging time is 10-12 h, and then the battery is charged by adopting a constant current, the charging current is 0.05C 5 And charging for 10-12 h to obtain the tubular lead-acid storage battery.
In the step (1), the anode material is uniformly mixed, and the powder filling type filling mode is adopted to prepare the anode plate.
In the step (1), the positive electrode material comprises, by weight, 5-10 parts of lead powder and 90-95 parts of lead tetraoxide.
In the step (1), the apparent density of the active substance of the positive electrode plate is 4.05-4.15 g/cm 3 。
The invention adopts a constant-temperature precise pickling tank during pickling, ensures that the pickling density is constant after conversion of two pickling tanks before pickling is carried out, the temperature of the first pickling tank is constant at 45-50 ℃, the pickling time is 10-15 s, changes the component structure of an active substance by a short-time high-temperature pickling mode, the temperature of the second pickling tank is constant at 25-30 ℃, the pickling time is 15-20 s, ensures that the interior of a positive plate is pasty after pickling, and forms shallow lead sulfate on the surface of the active substance.
In the step (2), the invention adopts a closed space for curing, the polar plates adopt a staggered stacking mode, and the temperature of the closed space is not lower than 30 ℃. In the curing process, oxygen in the air, heat released by the positive electrode plate and moisture are gradually evaporated to form corrosion and oxidation reactions.
In step (3) of the invention, the paste is mixedAdding cathode material into the machine, and adjusting the apparent density to 4.25-4.35 g/cm by pure water 3 And preparing lead plaster, and coating the lead plaster on the negative grid to prepare the negative green plate.
In step (3), the negative electrode material comprises 80-82 parts of lead powder and H 2 SO 4 13 to 15 portions of solution, 0.01 to 0.03 portion of barium sulfate, 0.05 to 0.08 portion of humic acid and 0.05 to 0.08 portion of polypropylene fiber.
The method adopts a multi-stage curing mode to cure the negative plate, wherein the first stage is a high-humidity curing stage, the second stage is a curing strengthening stage, and then the negative plate is dried by adopting a high-temperature quick drying mode, so that the curing and drying time can be effectively shortened, and the energy consumption can be reduced.
In the step (5), the total charging time is 22-24 h, and the total charging capacity is 5.5-6.0C 5 。
The positive plate and the negative plate of the invention adopt special preparation technology, so that the charging efficiency of the battery is high when the battery is charged by heavy current, the conversion rate of the plates is high, and the charging time is obviously shortened.
The invention also provides the tubular lead-acid storage battery prepared by the preparation method.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention adopts a production mode of no energy consumption rapid solidification, the pickling time of the positive green plate is only 20s under the states of constant density and constant temperature, only a lead sulfate layer is generated on the surface of the outer layer of the polar plate, the positive green plate quickly enters a closed space for natural solidification and drying after the pickling is finished, oxidation reaction is formed by utilizing oxygen in the air and the heat released by the polar plate, the solidification time of the polar plate is shortened, the formation time is also greatly shortened by adopting a multi-stage constant-voltage charging mode after the solidification, the technological time of the pickling, the solidification and the formation is greatly shortened by the production mode, the technological time is shortened by 70 percent after the non-energy consumption solidification mode is adopted, the energy consumption is reduced by 60 percent, the production efficiency is improved, and the energy-saving and emission-reducing effects are obvious;
(2) The preparation process can effectively reduce the energy consumption of the storage battery preparation, shorten the production period of the storage battery, and realize high-efficiency stable conversion on the premise of meeting the product performance.
Detailed Description
The present invention will be further described with reference to the following examples. The starting materials used in the examples are, unless otherwise specified, commercially available conventional starting materials; the processes used in the examples, unless otherwise specified, are conventional in the art.
Example 1
The preparation method of the rich liquid tube type power lead-acid storage battery comprises the following steps:
(1) Pickling the positive plate:
5 parts of lead powder and 95 parts of lead tetraoxide are uniformly mixed in parts by weight, and the positive pole plate is prepared by adopting a powder filling type filling mode, wherein the apparent density of an active substance is 4.1g/cm 3 The filled positive pole plate is pickled by adopting a constant-temperature precise pickling tank, and before pickling, the pickling density is constant after conversion of the two pickling tanks and is 1.10g/cm 3 The pickling process adopts a heat-temperature alternative pickling mode, the temperature of a first pickling tank is constant at 50 ℃, the pickling time is 10s, the component structure of an active substance is changed through a short-time high-temperature pickling mode, the temperature of a second pickling tank is constant at 30 ℃, and the pickling time is 15s, so that the inside of a positive plate is pasty after pickling, and shallow lead sulfate is formed on the surface of the active substance;
(2) Curing and drying the positive electrode plate:
the positive electrode plate after being pickled is placed in a staggered stacking mode, the positive electrode plate is cured by utilizing the closed space of a curing chamber, the temperature of the curing chamber is kept at about 35 ℃, the electrode plate is stacked in a staggered manner, and the ratio of the active material quantity of the curing chamber to the volume of the curing chamber is 150kg/m 3 The curing time is 12 hours, and oxygen in the air, heat released by the positive plate and water are gradually evaporated to form corrosion and oxidation reactions in the curing process to obtain the positive plate;
(3) Curing and drying the negative green plate:
adding 82 parts of lead powder and 13 parts of H into a paste mixing machine in parts by weight 2 SO 4 Solution (density 1.40 g/cm) 3 ) 0.02 part of barium sulfate, 0.06 part of humic acid and 0.05 part of polypropylene fiberVitamin is adjusted to apparent density of 4.30g/cm with pure water 3 Preparing lead plaster, and coating the lead plaster on the negative plate grid to prepare a negative electrode plate;
curing the negative plate by adopting a multi-stage curing mode, wherein the first stage is a high-humidity curing stage and is cured for 10 hours under the condition of 100% humidity, the second stage is a curing and strengthening stage and is cured for 10 hours under the condition of 75% humidity, and finally, high-temperature quick drying is adopted, namely drying is carried out for 12 hours at the temperature of 80 ℃ to obtain the negative plate;
(4) Assembling: assembling a positive plate and a negative plate into a plate group groove, sealing a battery shell cover through hot melting, pressing a sealing ring, and covering a liquid injection cover;
(5) Formation: the assembled battery is charged at constant voltage, the voltage of the battery is limited to 2.4V, the charging time is 12h, and then the battery is charged at constant current, wherein the charging current is 0.18C 5 Charging time is 12h, total charging time is 24h, and total charging capacity is 6.0C 5 And obtaining the tubular lead-acid storage battery.
In the embodiment, the production period of acid soaking, curing and drying of the positive plate is 12 hours, the internal formation production period is 24 hours, the detection shows that the initial capacity of the battery reaches 100%, the high-rate discharge performance is 36min, the cycle durability is not less than 1200 times, and the main performance of the battery reaches the national standard and the client requirement.
Example 2
The preparation method of the rich liquid tube type power lead-acid storage battery comprises the following steps:
(1) Pickling the positive plate:
mixing 10 parts of lead powder and 90 parts of lead tetraoxide uniformly by weight parts, and preparing the positive electrode plate by adopting a powder filling type filling mode, wherein the apparent density of an active substance is 4.15g/cm 3 The filled positive electrode plate is pickled by adopting a constant-temperature precise pickling tank, the pickling density is constant after the conversion of the two pickling tanks before pickling, and the pickling density is 1.15g/cm 3 The pickling process adopts a hot-temperature alternative pickling mode, the temperature of the first pickling tank is constant at 45 ℃, the pickling time is 15s, the active substance component structure is changed through a short-time high-temperature pickling mode, the temperature of the second pickling tank is constant at 25 ℃, the pickling time is 15s, and the inside of the positive plate isThe paste is formed, and shallow lead sulfate is formed on the surface of the active substance;
(2) Curing and drying the positive green plate:
the positive electrode plate after being pickled is placed in a staggered stacking mode, the positive electrode plate is cured by utilizing the closed space of a curing chamber, the temperature of the curing chamber is kept at about 35 ℃, the electrode plate is stacked in a staggered manner, and the ratio of the active material quantity of the curing chamber to the volume of the curing chamber is 150kg/m 3 The curing time is 11 hours, and oxygen in the air, heat released by the positive plate and water are gradually evaporated to form corrosion and oxidation reactions in the curing process to obtain the positive plate;
(3) Curing and drying the negative green plate:
adding 80 parts of lead powder and 14 parts of H into a paste mixing machine in parts by weight 2 SO 4 Solution (1.40 g/cm) 3 ) 0.03 part of barium sulfate, 0.05 part of humic acid and 0.08 part of polypropylene fiber, and adjusting the mixture to an apparent density of 4.25g/cm by using pure water 3 Preparing lead plaster, and coating the lead plaster on the negative plate grid to prepare a negative electrode plate;
curing the negative green plate by adopting a multi-stage curing mode, wherein the first stage is a high-humidity curing stage and is cured for 8 hours under the condition of the humidity of 95 percent, the second stage is a curing strengthening stage and is cured for 12 hours under the condition of the humidity of 70 percent, and finally, high-temperature quick drying is adopted, namely, drying is carried out for 10 hours under the condition of 70 ℃ to obtain the negative plate;
(4) Assembling: assembling a positive plate and a negative plate into a plate group groove, sealing a battery shell cover through hot melting, pressing a sealing ring, and covering a liquid injection cover;
(5) Formation: the assembled battery is charged at constant voltage, the voltage is limited to 2.4V, the charging time is 10h, and then the battery is charged at constant current, wherein the charging current is 0.05C 5 Charging time is 12h, total charging time is 22h, and total charging capacity is 5.6C 5 And obtaining the tubular lead-acid storage battery.
In the embodiment, the production cycle of acid soaking, curing and drying of the positive plate is 11 hours, the internal formation production cycle is 22 hours, the detection shows that the initial capacity of the battery reaches 100%, the high-rate discharge performance is 33min, the cycle durability is not less than 1200 times, and the main performance of the battery reaches the national standard and the client requirement.
Example 3
The preparation method of the rich liquid tube type power lead-acid storage battery comprises the following steps:
(1) Pickling the positive electrode plate:
8 parts of lead powder and 92 parts of lead tetraoxide are uniformly mixed in parts by weight, and the positive pole plate is prepared by adopting a powder filling type filling mode, wherein the apparent density of an active substance is 4.1g/cm 3 The filled positive pole plate is pickled by adopting a constant-temperature precise pickling tank, and before pickling, the pickling density is constant after conversion of the two pickling tanks and is 1.12g/cm 3 The pickling process adopts a heat-temperature alternative pickling mode, the temperature of a first pickling tank is constant at 45 ℃, the pickling time is 15s, the component structure of the active substance is changed through a short-time high-temperature pickling mode, the temperature of a second pickling tank is constant at 30 ℃, the pickling time is 10s, the interior of the positive plate is in a paste shape after the pickling is finished, and shallow lead sulfate is formed on the surface of the active substance;
(2) Curing and drying the positive electrode plate:
the positive electrode plate after being pickled is placed in a staggered stacking mode, the positive electrode plate is cured by utilizing the closed space of a curing chamber, the temperature of the curing chamber is kept at about 35 ℃, the electrode plate is stacked in a staggered manner, and the ratio of the active material quantity of the curing chamber to the volume of the curing chamber is 150kg/m 3 The curing time is 10h, and oxygen in the air, heat released by the positive electrode plate and water are gradually evaporated to form corrosion and oxidation reactions in the curing process to obtain the positive electrode plate;
(3) Curing and drying the negative green plate:
adding 82 parts of lead powder and 15 parts of H into a paste mixing machine in parts by weight 2 SO 4 Solution (1.40 g/cm) 3 ) 0.01 part of barium sulfate, 0.08 part of humic acid and 0.05 part of polypropylene fiber, and adjusting the mixture to an apparent density of 4.35g/cm by using pure water 3 Preparing lead plaster, and coating the lead plaster on the negative plate grid to prepare a negative electrode plate;
curing the negative plate by adopting a multi-stage curing mode, wherein the first stage is a high-humidity curing stage and is cured for 9 hours under the condition of 100% humidity, the second stage is a curing and strengthening stage and is cured for 11 hours under the condition of 70% humidity, and finally, high-temperature quick drying is adopted, namely, the negative plate is dried for 11 hours at the temperature of 75 ℃ to obtain the negative plate;
(4) Assembling: assembling a positive plate and a negative plate into a plate group groove, sealing a battery shell cover through hot melting, pressing a sealing ring, and covering a liquid injection cover;
(5) Formation: the assembled battery is charged at constant voltage, the voltage of the battery is limited to 2.4V, the charging time is 11h, and then the battery is charged at constant current, wherein the charging current is 0.05C 5 Charging time 11h, total charging time 22h, and total charging capacity 5.8C 5 And obtaining the tubular lead-acid storage battery.
In the embodiment, the production cycle of acid soaking, curing and drying of the positive plate is 10 hours, the internal formation production cycle is 22 hours, the detection shows that the initial capacity of the battery reaches 100%, the high-rate discharge performance is 36min, the cycle durability is not less than 1200 times, and the main performance of the battery reaches the national standard and the client requirement.
Comparative example 1
The preparation method of the rich liquid tube type power lead-acid storage battery comprises the following steps:
(1) Pickling the positive electrode plate:
5 parts of lead powder and 95 parts of lead tetraoxide are uniformly mixed in parts by weight, and the positive pole plate is prepared by adopting a powder filling type filling mode, wherein the apparent density of an active substance is 4.1g/cm 3 The filled positive pole plate is pickled by adopting a constant-temperature precise pickling tank, and before pickling, the pickling density is constant after conversion of the two pickling tanks and is 1.10g/cm 3 The pickling process adopts a heat-temperature alternative pickling mode, the temperature of a first pickling tank is constant at 50 ℃, the pickling time is 10s, the component structure of the active substance is changed through a short-time high-temperature pickling mode, the temperature of a second pickling tank is constant at 30 ℃, the pickling time is 15s, the interior of the positive plate is in a paste shape after the pickling is finished, and shallow lead sulfate is formed on the surface of the active substance;
(2) Curing and drying the positive electrode plate:
curing and drying the immersed anode plate by adopting an integrated curing kiln, wherein the humidity is controlled at 80% during curing, the temperature is controlled at 40 ℃, the curing time is 24 hours, the temperature is controlled at 55 ℃ during drying, and the drying time is 48 hours, so as to obtain the anode plate; when the curing is finished, the surface states of the positive plates in the kiln are observed to be inconsistent, the surfaces of the positive plates stacked inside the kiln are in a wet state, and the problems of deformation and powder seepage easily occur in the circulation process;
(3) Curing and drying the negative green plate:
adding 82 parts of lead powder and 13 parts of H in parts by weight into a paste mixing machine 2 SO 4 Solution (1.40 g/cm) 3 ) 0.02 part of barium sulfate, 0.06 part of humic acid and 0.05 part of polypropylene fiber, and adjusting the mixture to an apparent density of 4.30g/cm by using pure water 3 Preparing lead plaster, and coating the lead plaster on the negative plate grid to prepare a negative electrode plate;
curing the negative plate by adopting a multi-stage curing mode, wherein the first stage is a high-humidity curing stage and is cured for 10 hours under the condition of 100% humidity, the second stage is a curing and strengthening stage and is cured for 10 hours under the condition of 75% humidity, and finally, high-temperature quick drying is adopted, namely drying is carried out for 12 hours at the temperature of 80 ℃ to obtain the negative plate;
(4) Assembling: assembling a positive plate and a negative plate into a plate group groove, sealing a battery shell cover through hot melting, pressing a sealing ring, and covering a liquid injection cover;
(5) Formation: the assembled battery adopts an internal formation charging process, the total charging time is 44h, the charging current adopts a progressive charging mode, and the charging current at the first stage is 0.05C 5 Charging for 1h; second stage charging current 0.15C 5 Charging time is 3h; third stage 0.32C 5 Charging time is 15h; fourth stage charging current 0.2C 5 Charging for 10h; fifth stage charging current 0.12C 5 Charging for 15h; the charging current is small in the early stage, the conversion effect of active substances in the polar plate is activated along with the gradual progress of the charging process, so that the formation reaction in the battery is completed, the charging period is long by adopting the process, and the total charging capacity of the battery is 9.0C 5 And obtaining the tubular lead-acid storage battery.
In the comparative example, the production cycle of acid soaking, curing and drying of the positive plate is 72.2h, the internal formation production cycle is 44h, the detection shows that the initial capacity of the battery reaches 100%, the high-rate discharge performance is 35min, the cycle durability is not less than 1200 times, and the main performance of the battery reaches the national standard and the customer requirements.
Comparative example 2
The preparation method of the rich liquid tube type power lead-acid storage battery comprises the following steps:
(1) Pickling the positive electrode plate:
5 parts of lead powder and 95 parts of lead tetraoxide are uniformly mixed in parts by weight, and the positive pole plate is prepared by adopting a powder filling type filling mode, wherein the apparent density of an active substance is 4.1g/cm 3 The filled positive pole plate is pickled by adopting a constant-temperature precise pickling tank, the temperature is constant at 30 ℃, and the pickling density is 1.06g/cm 3 The pickling time is 12 hours;
(2) Curing and drying the positive green plate:
the anode plates after pickling are placed in a staggered stacking mode, the anode plates are cured by utilizing the closed space of a curing chamber, the temperature of the curing chamber is kept about 35 ℃, the anode plates are stacked in a staggered manner, and the ratio of the active material quantity of the curing chamber to the volume of the curing chamber is 150kg/m 3 The curing time is 12h, and oxygen in the air, heat released by the positive electrode plate and water are gradually evaporated to form corrosion and oxidation reactions in the curing process to obtain the positive electrode plate;
(3) Curing and drying the negative green plate:
adding 82 parts of lead powder and 13 parts of H in parts by weight into a paste mixing machine 2 SO 4 Solution (1.40 g/cm) 3 ) 0.02 part of barium sulfate, 0.06 part of humic acid and 0.05 part of polypropylene fiber, and adjusting the mixture to an apparent density of 4.30g/cm by using pure water 3 Preparing lead plaster, and coating the lead plaster on the negative plate grid to prepare a negative electrode plate;
curing the negative plate by adopting a multi-stage curing mode, wherein the first stage is a high-humidity curing stage and is cured for 10 hours under the condition of 100% humidity, the second stage is a curing and strengthening stage and is cured for 10 hours under the condition of 75% humidity, and finally, high-temperature quick drying is adopted, namely drying is carried out for 12 hours at the temperature of 80 ℃ to obtain the negative plate;
(4) Assembling: assembling a positive plate and a negative plate into a plate group groove, sealing a battery shell cover through hot melting, pressing a sealing ring, and covering a liquid injection cover;
(5) Formation: the assembled battery is charged at constant voltage, the voltage of the battery is limited to 2.4V, the charging time is 8h, and then the battery is collectedCharging with constant current of 0.18C 5 Charging time is 12h, total charging time is 20h, and total charging capacity is 5.2C 5 And obtaining the tubular lead-acid storage battery.
In the comparative example, the production cycle of acid soaking, curing and drying of the positive plate is 24 hours, the internal formation production cycle is 20 hours, the detection shows that the initial capacity of the battery is 87%, the high-rate discharge performance is 20min, the cycle durability is 600 times, and the main performance of the battery does not meet the requirements of national standards and customers.

Claims (9)

1. A preparation method of a tubular lead-acid storage battery which is solidified without energy consumption and can be quickly activated is characterized in that: the method comprises the following steps:
(1) Pickling the positive plate: the positive plate is soaked in acid by adopting a hot-temperature alternative pickling mode, the positive plate is soaked in acid for 10 to 15 seconds in a pickling tank at the temperature of between 45 and 50 ℃ and then soaked in acid for 15 to 20 seconds in a pickling tank at the temperature of between 25 and 30 ℃, and the pickling density is 1.10 to 1.15g/cm 3 ；
(2) Curing and drying the positive electrode plate: placing the immersed positive plate in a closed space for natural curing in a staggered stacking mode for 10-12 h to obtain a positive plate;
(3) Curing and drying the negative green plate: firstly, curing the negative plate for 8-10 h under the condition of humidity of 95-100%, then curing for 10-12 h under the condition of humidity of 70-75%, and finally drying for 10-12 h under the condition of 70-80 ℃ to obtain a negative plate;
(4) Assembling: assembling a positive plate and a negative plate into a plate group groove, sealing a battery shell cover through hot melting, pressing a sealing ring, and covering a liquid injection cover;
(5) Formation: the assembled battery is charged by constant voltage with charging voltage of 2.4V for 10-12 h, and then charged by constant current with charging current of 0.05C 5 And charging for 10-12 h to obtain the tubular lead-acid storage battery.
2. The method for preparing the tube-type lead-acid storage battery with no energy consumption curing and quick activation according to claim 1, which is characterized in that: in the step (1), the anode material is uniformly mixed, and the anode plate is prepared by adopting a powder filling type filling mode.
3. The method for preparing the tube-type lead-acid storage battery with no energy consumption curing and quick activation according to claim 2, is characterized in that: in the step (2), the positive electrode material comprises, by weight, 5-10 parts of lead powder and 90-95 parts of lead tetraoxide.
4. The method for preparing the tube-type lead-acid storage battery with no energy consumption curing and quick activation according to claim 1, which is characterized in that: in the step (1), the apparent density of the active substance of the positive electrode plate is 4.05-4.15 g/cm 3 。
5. The method for preparing the tube-type lead-acid storage battery with no energy consumption curing and quick activation according to claim 1, which is characterized in that: in the step (2), a closed space is adopted for curing, the polar plates are stacked in a staggered mode, and the temperature of the closed space is not lower than 30 ℃.
6. The method for preparing the tubular lead-acid storage battery which is solidified without energy consumption and activated rapidly according to claim 1, is characterized in that: in the step (3), adding a negative electrode material into a paste mixing machine, and adjusting the apparent density to 4.25-4.35 g/cm by using pure water 3 And preparing lead plaster, and coating the lead plaster on the negative plate grid to prepare the negative electrode plate.
7. The method for preparing the tube-type lead-acid storage battery with no energy consumption curing and quick activation according to claim 6, wherein the method comprises the following steps: in the step (3), the negative electrode material comprises 80-82 parts of lead powder and H 2 SO 4 13 to 15 portions of solution, 0.01 to 0.03 portion of barium sulfate, 0.05 to 0.08 portion of humic acid and 0.05 to 0.08 portion of polypropylene fiber.
8. The method for preparing the tube-type lead-acid storage battery with no energy consumption curing and quick activation according to claim 1, which is characterized in that: in the step (5), the total charging time is 22-24 h, and the total charging capacity is 5.5-6.0C 5 。
9. A tubular lead-acid battery prepared by the method for preparing the energy-consumption-free cured and rapidly activated tubular lead-acid battery according to any one of claims 1 to 8.
CN202211582729.5A 2022-12-09 2022-12-09 Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof Pending CN115764000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211582729.5A CN115764000A (en) 2022-12-09 2022-12-09 Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211582729.5A CN115764000A (en) 2022-12-09 2022-12-09 Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof

Publications (1)

Publication Number Publication Date
CN115764000A true CN115764000A (en) 2023-03-07

Family

ID=85345061

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211582729.5A Pending CN115764000A (en) 2022-12-09 2022-12-09 Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof

Country Status (1)

Country Link
CN (1) CN115764000A (en)

Similar Documents

Publication Publication Date Title
CN106450102B (en) Lithium-sulfur cell of the graphite modified diaphragm for lithium-sulfur cell and preparation method thereof with composition
CN106299514B (en) A kind of compound method for lithium ion battery
CN109755481B (en) Manufacturing process for improving low-temperature performance of lead storage battery
CN109713267B (en) Novel lithium ion battery cathode material and preparation method thereof
CN108807886A (en) Double-coating anode material for lithium-ion batteries LiNi0.6Co0.2Mn0.2O2And preparation method thereof
WO2020259436A1 (en) Method for improving stability and processability of ternary positive electrode material
CN111599991A (en) Maintenance-free starting lead-acid storage battery with long service life and high specific energy and production method thereof
CN105680004A (en) High-temperature curing process of long-life type lead-acid storage battery positive electrode plate
CN110400909B (en) Natural curing process for negative plate of lead-carbon storage battery
CN110233252A (en) A kind of sodium-ion battery positive material surface modifying method
CN110504495A (en) A kind of acid adding chemical synthesizing method of battery
CN111180677B (en) Method for manufacturing positive plate of lead storage battery for dry-load starting
CN109585783A (en) A kind of wetting method of lithium ion battery and its pole piece
CN117954707B (en) Semi-wet lead storage battery and manufacturing method thereof
CN108002356A (en) δ-VOPO4Ultrathin nanometer piece and its controllable method for preparing and application
CN109755511A (en) A kind of anode material for lithium-ion batteries and preparation method thereof
CN105428599A (en) Method for producing long-life lead-carbon battery plate by modified activated carbon
CN106169565B (en) Lead paste for lead-carbon gel battery pole plate and preparation method thereof
CN115764000A (en) Tubular lead-acid storage battery capable of being solidified and rapidly activated without energy consumption and preparation method thereof
CN108565427A (en) A kind of preparation method of carbon/lithium titanate composite material
CN113224270B (en) Low hydrogen evolution cathode formula for lead-carbon battery and preparation method thereof
CN114566617B (en) Wet tubular positive electrode and method for manufacturing same
CN105428600A (en) Preparation method of electrode of conductive polymer doped lead-carbon battery
CN109904433A (en) Large capacity fast charging and discharging graphene lithium ion battery and its synthesis technology
CN106025390B (en) The production technology of tubular colloidal battery

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