CN107342396B - Rapid curing process of storage battery pole plate - Google Patents
Rapid curing process of storage battery pole plate Download PDFInfo
- Publication number
- CN107342396B CN107342396B CN201610284159.XA CN201610284159A CN107342396B CN 107342396 B CN107342396 B CN 107342396B CN 201610284159 A CN201610284159 A CN 201610284159A CN 107342396 B CN107342396 B CN 107342396B
- Authority
- CN
- China
- Prior art keywords
- curing
- percent
- humidity
- temperature
- time
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
- H01M4/20—Processes of manufacture of pasted electrodes
- H01M4/21—Drying of pasted electrodes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a rapid curing process of a storage battery plate, which comprises the following steps: stage 1: the temperature is 60-65 ℃, the humidity is 95-100 percent, and the time is 0.5-1.0 h; and 2, stage: the temperature is 60-65 ℃, the humidity is 90-95 percent, and the time is 0.5-1.0 h; and 3, stage: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h; 4, stage: the temperature is 80-85 ℃, the humidity is 80-85%, and the time is 1.0-2.5 h; and 5, stage: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h; and (3) a drying stage: the temperature is 80-85 ℃, the humidity is 0 percent, and the time is 1.0-4.0 h. The scheme greatly improves the production efficiency of curing and drying the polar plate, realizes the continuous production of the polar plate and the assembly of the lead-acid storage battery, and the manufactured lead-acid storage battery has good capacity and cycle life.
Description
Technical Field
The invention relates to the technical field of storage batteries, in particular to a rapid curing process of a storage battery.
Background
With the aggravation of the world energy crisis and the rise of low-carbon economy, the production mode of the China storage battery industry is also undergoing huge transformation and upgrading. New production technologies will gradually replace old production technologies. At present, a complete set of net pulling production line, a continuous casting and rolling production line and an automatic material conveying system with high technological content gradually appear, and an advanced high-automation, complete set and systematized production mode is emerging continuously.
In the manufacturing process of the lead-acid storage battery, the curing of the green plate is a key process and is one of the processes with the longest production period, and the current common curing process time is usually between 60h and 90 h; this severely restricts the highly automated, integrated, and systematic production model.
In order to meet the requirement of transformation and upgrading of a production mode, the curing and drying process time of the green plate is required to be shortened so as to improve the production efficiency of the green plate, further shorten the production period of the battery and simultaneously ensure the capacity and the cycle performance of the green plate.
Disclosure of Invention
In order to solve the problems that the curing time of the green plate of the conventional lead-acid storage battery is long and the high-automation, complete-set and systematic production mode cannot be met, the embodiment of the invention provides a rapid curing process of the storage battery.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
a rapid curing process for a battery plate at least comprises the following program steps:
1) curing stage 1: the temperature is 60-65 ℃, the humidity is 95-100 percent, and the time is 0.5-1.0 h;
2) curing stage 2: the temperature is 60-65 ℃, the humidity is 90-95 percent, and the time is 0.5-1.0 h;
3) and (3) curing stage: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h;
4) and (4) curing: the temperature is 80-85 ℃, the humidity is 80-85%, and the time is 1.0-2.5 h;
5) and (5) curing: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h;
6) drying stage 1: the temperature is 80-85 ℃, the humidity is 0 percent, and the time is 1.0-4.0 h.
According to the rapid curing process of the lead-acid storage battery provided by the embodiment of the invention, the polar plates can be cured and dried within 6-10 h, the production efficiency of curing and drying the green polar plates is greatly improved, the online production of the lead-acid storage battery from polar plates to assembly can be realized, and when the lead-acid storage battery is manufactured by the cured and dried polar plates, the lead-acid storage battery has good capacity and cycle life; the VRLA battery manufactured by the pole plate treated by the curing and drying process has 20-hour discharge rate reaching 21-22 hours, the initial 1C capacity being more than 40min, the 1C discharge circulating attenuation degree being 100 times and the weight of the active material of the pole plate being equivalent to the VRLA battery manufactured by the pole plate processed by the conventional curing process.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a rapid curing process of a storage battery plate, which at least comprises the following program steps:
1) curing stage 1: the temperature is 60-65 ℃, the humidity is 95-100 percent, and the time is 0.5-1.0 h;
2) curing stage 2: the temperature is 60-65 ℃, the humidity is 90-95 percent, and the time is 0.5-1.0 h;
3) and (3) curing stage: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h;
4) and (4) curing: the temperature is 80-85 ℃, the humidity is 80-85%, and the time is 1.0-2.5 h;
5) and (5) curing: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h;
6) drying stage 1: the temperature is 80-85 ℃, the humidity is 0 percent, and the time is 1.0-4.0 h.
In a preferred embodiment, the grid of the polar plate adopted in the curing process is a punched or drawn grid; the VRLA battery manufactured by the pole plate which is coated by the punched or drawn grid and is treated by the curing and drying process has 20-hour discharge rate which can reach 21-22 hours, and the initial 1C capacity is more than 40 min.
In order to optimize the thickness of the grid and save the grid material, the thickness of the lead belt of the punched or drawn grid is further preferably 0.7 mm-1.0 mm.
Still more preferably, the thickness of the punched positive plate is less than or equal to 2.5mm, and the thickness of the punched negative plate is less than or equal to 1.8 mm.
In a preferred embodiment, during curing, single-piece or double-piece plates are stacked for curing, so that the situation that the curing process cannot achieve the purpose of the embodiment or even fails due to incomplete curing caused by stacking of multiple plates and excessive free lead content or incomplete drying is avoided.
In a preferred embodiment, the positive lead paste of the polar plate of the curing process is composed of the following materials in percentage by weight: 30-80% of lead powder; 10 to 20 percent of dilute sulfuric acid; 8% -20% of pure water; short fiber 0.8-1.2%; 0.5 to 20 percent of 4 BS.
Further preferably, the diameter of the 4BS crystal grains is about 2-20 microns, and the smaller the diameter of the 4BS crystal grains, the easier the formation is, and the initial capacity of the battery is facilitated.
Further preferably, in the cured positive plate, the content of free lead is 0.2-3%, and the content of water is 0.1-0.5%; the content of free lead of the negative plate is 0.2-5 percent, and the content of water is 0.1-0.5 percent. The positive plate is within the parameter range after being cured, so that the battery capacity is ensured, and the cycle life of the battery can be effectively prolonged.
According to the rapid curing process of the lead-acid storage battery provided by the embodiment of the invention, the polar plates can be cured and dried within 6-10 h, the production efficiency of curing and drying the green polar plates is greatly improved, the online production of the lead-acid storage battery from polar plates to assembly can be realized, and when the lead-acid storage battery is manufactured by the cured and dried polar plates, the lead-acid storage battery has good capacity and cycle life; the VRLA battery manufactured by the polar plate treated by the curing and drying process has the advantages that 20-hour discharge rate can reach 21-22 hours, the initial 1C capacity is more than 40min, the attenuation degree of the 1C discharge cycle is 100 times, and the weight of the polar plate active substances is equivalent to that of the VRLA battery manufactured by the polar plate manufactured by the traditional curing process, so that the lead-acid battery manufactured by the polar plate manufactured by the green polar plate curing process provided by the embodiment is equivalent to that of the polar plate battery manufactured by the traditional curing process under the condition that the manufacturing mode, the acidification process, the charging process and the like of the lead-acid battery are consistent.
In order to better embody the rapid solidification process of the lead-acid storage battery provided by the embodiment of the invention, the following further describes through a plurality of embodiments.
Example 1
(1) The positive lead plaster comprises the following materials in percentage by weight: 30% of lead powder; 18% of dilute sulfuric acid; 15% of pure water; 1.2 percent of short fiber; coating 0.5% of 4BS on a punched grid with the thickness of 0.8mm of a lead belt; coating into a punching pole plate with the thickness of 2.5 mm;
(2) uniformly spreading the punched polar plate obtained in the above way in a curing chamber in a single piece mode, and performing the following steps:
1) in the 1 st stage of curing, the temperature is 60 ℃, the humidity is 98 percent, and the time is 1.0 h;
2) curing stage 2, wherein the temperature is 65 ℃, the humidity is 90 percent, and the time is 0.5 h;
3) curing stage 3, at the temperature of 72 ℃ and the humidity of 90 percent, for 1.0 h;
4) in the 4 th stage of curing, the temperature is 83 ℃, the humidity is 85 percent, and the time is 2.5 hours;
5) in the 5 th stage of curing, the temperature is 70 ℃, the humidity is 85 percent, and the time is 0.5 h;
6) in the drying stage 1, the temperature is 80 ℃, the humidity is 0 percent, and the time is 2 hours;
(3) detecting the punched plate obtained in the step (2), wherein the content of free lead in the cured positive plate is 3%, and the content of water in the cured positive plate is 0.1%; when the content of free lead of the negative plate is 0.2% and the content of water is 0.4%, cooling the curing chamber;
(4) and (3) preparing the qualified positive plate obtained in the step (2) and a negative plate with the thickness of 1.8mm prepared by a conventional process into a 12V7AH VRLA battery according to a normal process, wherein the 20-hour discharge rate of the VRLA battery can reach 22.5h, and the initial 1C capacity is 45 min.
Example 2
(1) The positive lead plaster comprises the following materials in percentage by weight: 80% of lead powder; 20% of dilute sulfuric acid; 8% of pure water; 0.8 percent of short fiber; coating 20% of 4BS on a punched grid with the lead belt thickness of 1.0 mm; coating into a punching pole plate with the thickness of 2.5 mm;
(2) uniformly spreading the punched polar plate obtained in the above way in a curing chamber in a single piece mode, and performing the following steps:
1) in the 1 st stage of curing, the temperature is 65 ℃, the humidity is 100 percent, and the time is 0.5 h;
2) in the stage 2 of curing, the temperature is 65 ℃, the humidity is 95 percent, and the time is 1.0 h;
3) in the 3 rd stage of curing, the temperature is 75 ℃, the humidity is 85 percent, and the time is 1.0 h;
4) in the 4 th stage of curing, the temperature is 85 ℃, the humidity is 85 percent, and the time is 2.5 hours;
5) in the 5 th stage of curing, the temperature is 75 ℃, the humidity is 85 percent, and the time is 0.5 h;
6) in the drying stage 1, the temperature is 80 ℃, the humidity is 0 percent, and the time is 1.0 h;
(3) detecting the punched plate obtained in the step (2), wherein the content of free lead in the cured positive plate is 0.2%, and the content of water is 0.5%; when the content of free lead of the negative plate is 2% and the content of water is 0.5%, cooling the curing chamber;
(4) and (3) preparing the qualified positive plate obtained in the step (2) and a negative plate with the thickness of 1.8mm prepared by a conventional process into a 12V7AH VRLA battery according to a normal process, wherein the 20-hour discharge rate of the VRLA battery can reach 21.5h, and the initial 1C capacity is 42 min.
Example 3
(1) The positive lead plaster comprises the following materials in percentage by weight: 80% of lead powder; 10% of dilute sulfuric acid; 20% of pure water; 0.8 percent of short fiber; coating 20% of 4BS on a punched grid with the lead belt thickness of 0.7 mm; coating into a punching pole plate with the thickness of 2.5 mm;
(2) uniformly spreading the punched polar plate obtained in the above way in a curing chamber in a single piece mode, and performing the following steps:
1) in the 1 st stage of curing, the temperature is 65 ℃, the humidity is 95 percent, and the time is 0.5 h;
2) curing stage 2, at the temperature of 60 ℃, the humidity of 95 percent and the time of 1.0 h;
3) curing stage 3, at 70 ℃ and 90% humidity for 0.5 h;
4) in the 4 th stage of curing, the temperature is 80 ℃, the humidity is 80 percent, and the time is 1.0 h;
5) in the 5 th stage of curing, the temperature is 75 ℃, the humidity is 85 percent, and the time is 1.0 h;
6) in the drying stage 1, the temperature is 85 ℃, the humidity is 0 percent, and the time is 4 hours;
(3) detecting the punched plate obtained in the step (2), wherein the content of free lead in the cured positive plate is 0.2%, and the content of water is 0.5%; when the content of free lead of the negative plate is 2% and the content of water is 0.5%, cooling the curing chamber;
(4) and (3) preparing the qualified positive plate obtained in the step (2) and a negative plate with the thickness of 1.8mm prepared by a conventional process into a 12V7AH VRLA battery according to a normal process, wherein the 20-hour discharge rate of the VRLA battery can reach 21.8h, and the initial 1C capacity is 41 min.
Comparative example 1
(1) The positive lead plaster comprises the following materials in percentage by weight: 80% of lead powder; 10% of dilute sulfuric acid; 20% of pure water; 0.8 percent of short fiber; coating 20% of 4BS on a punched grid with the lead belt thickness of 0.7 mm; coating into a punching pole plate with the thickness of 2.5 mm;
(2) uniformly spreading the punched polar plate obtained in the above way in a curing chamber in a single piece mode, and performing the following steps:
1) in the stage 1 of curing, the temperature is 45 ℃, the humidity is 100 percent, and the time is 24 hours;
2) curing stage 2, wherein the temperature is 50 ℃, the humidity is 50%, and the time is 20 h;
3) in the drying stage 1, the temperature is 85 ℃, the humidity is 0 percent, and the time is 24 hours;
(3) detecting the punched plate obtained in the step (2), wherein the content of free lead in the cured positive plate is 0.2%, and the content of water is 0.5%; when the content of free lead of the negative plate is 2% and the content of water is 0.5%, cooling the curing chamber;
(4) and (3) preparing the qualified positive plate obtained in the step (2) and a negative plate with the thickness of 1.8mm prepared by a conventional process into a 12V7AH VRLA battery according to a normal process, wherein the 20-hour discharge rate of the VRLA battery can reach 21.2h, and the initial 1C capacity is 42 min.
Examples 1 to 3 are all curing and drying processes of the examples of the invention, while comparative example 1 is a conventional three-stage curing and drying process, the remaining steps for producing lead-acid batteries are the same, and the lead-acid batteries obtained in examples 1, 2 and 3 and comparative example 1 are subjected to discharge cycle at 1C for 100 times. After cycles, the differences of the decrement of examples 1, 2, 3 and comparative example 1 were found to be 1.2%, 1.34%, 1.09%, respectively, and the weight of the positive plate active material was measured after the battery after cycles were dissected, and the differences of the weight changes of the positive plates of examples 1 to 3 and comparative example 1 were 0.84%, 0.76%, 0.91%, respectively, and the weight changes were all within 1%.
For convenience of comparison, the conventional curing and drying processes in the production of lead-acid storage batteries are listed as follows:
1) in the 1 st stage of curing, the temperature is 40-45 ℃, the humidity is 98-100%, and the time is 16-24 h;
2) curing at the 2 nd stage, wherein the temperature is 45-55 ℃, the humidity is 40-50%, and the time is 16-24 h;
3) and in the drying stage 1, the temperature is 75-85 ℃, the humidity is 0%, and the time is 24 hours.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A rapid curing process for a battery plate at least comprises the following program steps:
1) curing stage 1: the temperature is 60-65 ℃, the humidity is 95-100 percent, and the time is 0.5-1.0 h;
2) curing stage 2: the temperature is 60-65 ℃, the humidity is 90-95 percent, and the time is 0.5-1.0 h;
3) and (3) curing stage: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h;
4) and (4) curing: the temperature is 80-85 ℃, the humidity is 80-85%, and the time is 1.0-2.5 h;
5) and (5) curing: the temperature is 70-75 ℃, the humidity is 85-90 percent, and the time is 0.5-1.0 h;
6) drying stage 1: the temperature is 80-85 ℃, the humidity is 0%, and the time is 1.0-4.0 h;
the grid of the polar plate is a punched or expanded grid.
2. The curing process of claim 1, wherein: the positive lead paste of the solidified polar plate consists of the following materials in percentage by weight: 30-80% of lead powder; 10 to 20 percent of dilute sulfuric acid; 8% -20% of pure water; short fiber 0.8-1.2%; 0.5 to 20 percent of 4 BS.
3. The curing process of claim 1, wherein: and in the curing process, single-piece or double-piece polar plates are stacked for curing.
4. The curing process of claim 1, wherein: in the cured positive plate, the content of free lead is 0.2-3%, and the content of water is 0.1-0.5%; the content of free lead of the negative plate is 0.2-5 percent, and the content of water is 0.1-0.5 percent.
5. The curing process of claim 1, wherein: the thickness of the lead belt of the punched or drawn grid is 0.7 mm-1.0 mm.
6. The curing process of claim 1, wherein: when the polar plate is a punched positive plate, the thickness of the punched positive plate is less than or equal to 2.5 mm; when the polar plate is a punched negative plate, the thickness of the punched negative plate is less than or equal to 1.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284159.XA CN107342396B (en) | 2016-05-03 | 2016-05-03 | Rapid curing process of storage battery pole plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284159.XA CN107342396B (en) | 2016-05-03 | 2016-05-03 | Rapid curing process of storage battery pole plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107342396A CN107342396A (en) | 2017-11-10 |
| CN107342396B true CN107342396B (en) | 2020-01-24 |
Family
ID=60221766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610284159.XA Active CN107342396B (en) | 2016-05-03 | 2016-05-03 | Rapid curing process of storage battery pole plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107342396B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232123B (en) * | 2017-12-26 | 2020-05-12 | 浙江天能动力能源有限公司 | Curing process for positive plate of lead-acid storage battery for electric automobile |
| CN108767202B (en) * | 2018-06-11 | 2021-06-08 | 衡阳瑞达电源有限公司 | Method for manufacturing lead-acid storage battery pole plate |
| CN112002876B (en) * | 2020-07-23 | 2022-03-01 | 天能电池集团股份有限公司 | Quick manufacturing process for lead storage battery pole plate |
| CN114447287A (en) * | 2020-11-04 | 2022-05-06 | 双登集团股份有限公司 | Method for shortening curing period of start-stop lead-acid storage battery pole plate |
| CN113161519A (en) * | 2021-03-26 | 2021-07-23 | 扬州阿波罗蓄电池有限公司 | Preparation process of storage battery for starting and stopping automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137947A (en) * | 2013-03-05 | 2013-06-05 | 江苏苏中电池科技发展有限公司 | Curing process of polar plate used for lead-acid battery pack |
| CN104377359A (en) * | 2014-10-15 | 2015-02-25 | 超威电源有限公司 | Deep-cycle-resistant lead-acid storage battery anode lead paste formula and preparation process thereof |
| CN105119021A (en) * | 2015-10-08 | 2015-12-02 | 深圳市雄韬电源科技股份有限公司 | Electrode plate curing method capable of improving battery deep cycle life |
| CN105428606A (en) * | 2015-11-12 | 2016-03-23 | 骆驼集团蓄电池研究院有限公司 | Storage battery curing process |
-
2016
- 2016-05-03 CN CN201610284159.XA patent/CN107342396B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137947A (en) * | 2013-03-05 | 2013-06-05 | 江苏苏中电池科技发展有限公司 | Curing process of polar plate used for lead-acid battery pack |
| CN104377359A (en) * | 2014-10-15 | 2015-02-25 | 超威电源有限公司 | Deep-cycle-resistant lead-acid storage battery anode lead paste formula and preparation process thereof |
| CN105119021A (en) * | 2015-10-08 | 2015-12-02 | 深圳市雄韬电源科技股份有限公司 | Electrode plate curing method capable of improving battery deep cycle life |
| CN105428606A (en) * | 2015-11-12 | 2016-03-23 | 骆驼集团蓄电池研究院有限公司 | Storage battery curing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107342396A (en) | 2017-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107342396B (en) | Rapid curing process of storage battery pole plate | |
| CN108232123B (en) | Curing process for positive plate of lead-acid storage battery for electric automobile | |
| CN110690454B (en) | Production process of positive plate of storage battery | |
| CN109216811B (en) | Container formation process of lead storage battery | |
| CN109698324B (en) | Curing and drying process of green plate for lead-acid battery | |
| CN107221651B (en) | Processing technology of positive plate of lead crystal battery and lead crystal battery | |
| CN102509777B (en) | Curing and drying method applied to lead-acid storage battery plate | |
| CN107681204B (en) | formation process of battery prepared by using recovered lead powder | |
| CN108987825B (en) | Manufacturing process of low-temperature-resistant lead storage battery | |
| CN105680004A (en) | High-temperature curing process of long-life type lead-acid storage battery positive electrode plate | |
| CN104124484B (en) | Be internalized into battery vacuum negative pressure type fast charge method without cadmium | |
| CN103606653A (en) | Automatic curing energy-saving technology of secondary lead regenerated accumulator plate | |
| CN107658430B (en) | High-temperature container formation method for power type lead-acid storage battery | |
| CN105280888A (en) | Silicon dioxide colloid pole plate and preparation method and application thereof | |
| CN102751539A (en) | Method for preparing battery cell of high-capacity lithium ion battery for automobile | |
| CN105576195A (en) | Low-temperature and low-humidity curing process for negative plate of lead-acid storage battery | |
| CN109742329B (en) | Curing process for positive plate of storage battery | |
| CN112595035A (en) | Efficient baking method for lithium ion battery roll core | |
| CN104051711A (en) | Positive plate high temperature curing process | |
| CN105080418A (en) | Lead-acid storage battery negative electrode plate negative pressure paste mixing technology | |
| CN114256445A (en) | Method for manufacturing deep-circulation small-sized valve-controlled lead-acid storage battery pole plate | |
| CN110364689B (en) | Energy-saving polar plate curing and drying process | |
| CN103606685B (en) | Environment-friendly process for preparing high-energy storage battery plate by using secondary lead | |
| CN114373896A (en) | Processing technology of lead-acid green plate battery | |
| CN112349884B (en) | Laminated polar plate rapid curing and drying method |
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 |