CN113285184A - Acid adding method for improving acid specific gravity of valve-controlled lead-acid storage battery separator - Google Patents
Acid adding method for improving acid specific gravity of valve-controlled lead-acid storage battery separator Download PDFInfo
- Publication number
- CN113285184A CN113285184A CN202110411911.3A CN202110411911A CN113285184A CN 113285184 A CN113285184 A CN 113285184A CN 202110411911 A CN202110411911 A CN 202110411911A CN 113285184 A CN113285184 A CN 113285184A
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- Prior art keywords
- acid
- battery
- valve
- density
- specific gravity
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- 239000002253 acid Substances 0.000 title claims abstract description 168
- 238000000034 method Methods 0.000 title claims abstract description 74
- 230000005484 gravity Effects 0.000 title claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 239000003792 electrolyte Substances 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/121—Valve regulated lead acid batteries [VRLA]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an acid adding method for improving the acid specific gravity of a valve-regulated lead-acid storage battery separator, which comprises the following steps: step 1, putting a valve-controlled lead-acid storage battery provided with an AGM separator into a vacuum acid adding machine, and filling low-density acid liquor with the volume of 50-80% of the process acid amount required by the battery into the battery through the vacuum acid adding machine; step 2, adding the high-density acid liquor with the volume of the residual process acid amount into the battery through another vacuum acid adding machine; and then the process is transferred to a charging process. The invention improves the problem of the upper-middle-lower specific gravity consistency of the battery inner clapboard produced by the battery formation process, and improves the acid specific gravity consistency of the upper-middle-lower area of the AGM clapboard in the battery.
Description
The technical field is as follows:
the invention relates to the technical field of lead-acid storage battery manufacturing, in particular to an acid adding method for improving the acid specific gravity of a valve-controlled lead-acid storage battery separator.
Background art:
with the enhancement of environmental awareness of people, enterprises pay more and more attention to the environmental protection in the production process, and the production of the lead-acid storage battery at present basically adopts a battery formation (or internalization) process instead of a tank formation (externalization) production process. However, from the view of the AGM separator in the battery produced by the two processes, the acid specific gravity consistency of the upper, middle and lower regions of the separator in the battery produced by the battery formation process is not higher than that of the battery produced by the upper groove formation production process.
In order to solve the problem of the consistency of the upper, middle and lower specific weights of the battery inner partition plate produced by the battery formation process, the existing battery formation process needs to be improved to improve the consistency of the acid specific weight of the AGM partition plate in the valve-regulated lead-acid storage battery.
Disclosure of Invention
The invention aims to solve the defects and provides an acid adding method for improving the acid specific gravity of a valve-regulated lead-acid storage battery separator.
In order to achieve the purpose, the technical solution of the invention is as follows: an acid adding method for improving acid specific gravity of a valve-regulated lead-acid storage battery separator comprises the following steps:
step 1, putting a valve-controlled lead-acid storage battery provided with an AGM separator into a vacuum acid adding machine, and filling low-density acid liquor with the volume of 50-80% of the process acid amount required by the battery into the battery through the vacuum acid adding machine;
step 2, adding the high-density acid liquor with the volume of the residual process acid amount into the battery through another vacuum acid adding machine; and then the process is transferred to a charging process.
Further, the low-density acid solution in the step 1 is 1.10-1.20g/cm3An acid density electrolyte.
Further, the high-density acid solution in the step 2 is 1.40g/cm3An acid density electrolyte.
Further, in the step 2, in the charging process, the heat released during charging is cooled, the ambient temperature is controlled, and the temperature is kept stable in the charging process.
Further, in step 1 and step 2, the acid adding speed is controlled so that the acid is slowly and uniformly added during the acid adding.
The invention discloses an acid adding method for improving the acid specific gravity of a valve-controlled lead-acid storage battery separator, which has the following beneficial effects: the problem that the consistency of the specific weight of the upper part, the middle part and the lower part of the AGM partition plate in the battery produced by the battery formation process is not higher than that of the battery produced by the upper groove formation production process is solved, the consistency of the specific weight of the upper part, the middle part and the lower part of the partition plate in the battery produced by the battery formation process is improved, and the consistency of the specific weight of the upper part, the middle part and the lower part of the AGM partition plate in the battery is improved.
Detailed Description
The present invention is further illustrated by the following examples, which are carried out on the premise of the technical scheme of the present invention, and detailed embodiments and specific operation procedures are given, but the protection scope of the present invention is not limited to the following examples:
scheme overview:
the existing battery formation acid adding method is that the battery is filled with the process acid amount with the same specific gravity required by the battery at one time through a vacuum acid adding machine, and then the battery is transferred to a charging procedure.
The invention provides an acid adding method for improving the acid specific weight of a valve-controlled lead-acid storage battery separator, wherein a battery firstly uses low-density acid (1.10-1.20 g/cm) with the volume of 50-80% of the acid amount of the process required by the battery through a vacuum acid adding machine3) Filling into a battery, and adding high-density acid (1.40 g/cm) with a volume of 20-50% of the rest process acid amount by another acid adding machine3) And (4) filling the mixture into a battery, and then transferring to a charging process. The consistency of the upper, middle and lower specific weights of the AGM separator in the battery produced by the acid adding method is greatly improved. Wherein the AGM separator is a superfine glass fiber separator, and the acid density electrolyte is the amount of acid added per unit volume, such as 1.40g/cm3Acid density electrolyte an amount of 1.40g acid per cubic centimeter of water was added.
Example 1:
an acid adding method for improving acid specific gravity of a valve-regulated lead-acid storage battery separator comprises the following steps:
step 1, putting a valve-controlled lead-acid storage battery provided with an AGM separator into a vacuum acid adding machine, and filling low-density acid liquor with the volume being 55% of the process acid quantity required by the battery into the battery through the vacuum acid adding machine; the low-density acid liquor is 1.10g/cm3An acid density electrolyte;
step 2, adding the high-density acid liquor with the volume of the residual process acid amount into the battery through another vacuum acid adding machine, wherein the high-density acid liquor is 1.40g/cm3An acid density electrolyte; and then the process is transferred to a charging process.
Example 2:
an acid adding method for improving acid specific gravity of a valve-regulated lead-acid storage battery separator comprises the following steps:
step 1, putting the valve-regulated lead-acid storage battery provided with the AGM separator into vacuumIn the acid adding machine, firstly, filling low-density acid liquor with the volume being 60% of the process acid amount required by the battery into the battery through a vacuum acid adding machine; the low-density acid liquor is 1.15g/cm3An acid density electrolyte;
step 2, adding the high-density acid liquor with the volume of the residual process acid amount into the battery through another vacuum acid adding machine, wherein the high-density acid liquor is 1.40g/cm3An acid density electrolyte; and then the process is transferred to a charging process.
Example 3:
an acid adding method for improving acid specific gravity of a valve-regulated lead-acid storage battery separator comprises the following steps:
step 1, putting a valve-controlled lead-acid storage battery provided with an AGM separator into a vacuum acid adding machine, and filling low-density acid liquor with the volume being 70% of the process acid amount required by the battery into the battery through the vacuum acid adding machine; the low-density acid liquor is 1.18g/cm3An acid density electrolyte;
step 2, adding the high-density acid liquor with the volume of the residual process acid amount into the battery through another vacuum acid adding machine, wherein the high-density acid liquor is 1.40g/cm3An acid density electrolyte; and then the process is transferred to a charging process.
Example 4:
an acid adding method for improving acid specific gravity of a valve-regulated lead-acid storage battery separator comprises the following steps:
step 1, putting a valve-controlled lead-acid storage battery provided with an AGM separator into a vacuum acid adding machine, and filling a low-density acid solution with a volume of 75% of the process acid amount required by the battery into the battery through the vacuum acid adding machine; the low-density acid liquor is 1.20g/cm3An acid density electrolyte;
step 2, adding the high-density acid liquor with the volume of the residual process acid amount into the battery through another vacuum acid adding machine, wherein the high-density acid liquor is 1.40g/cm3An acid density electrolyte; and then the process is transferred to a charging process.
Experimental comparative example:
the existing process is adopted to charge the valve-regulated lead-acid storage battery by adding acid, and the method comprises the following steps: adding electrolyte with the acid density of 1.26 to the battery by a vacuum acid adding machine in one step, wherein the electrolyte has the total acid amount required by the batteryg/cm3(ii) a And then the same charging process is carried out.
The acid specific weights at different locations within the AGM separator of an electric cell were performed for the cells made in the examples of the present application and the experimental comparative examples of the prior art as follows.
Through comparison, the consistency of the upper, middle and lower specific weights of the AGM separator in the battery produced by the acid adding method disclosed by the application is greatly improved.
The foregoing is merely an example of the present invention and common general knowledge of features in the schemes is not described here in any greater extent. It should be noted that, for a person skilled in the art, several modifications can be made without departing from the invention, which should also be considered as the protection scope of the invention.
Claims (5)
1. An acid adding method for improving the acid specific gravity of a valve-regulated lead-acid storage battery separator is characterized by comprising the following steps: the method comprises the following steps:
step 1, putting a valve-controlled lead-acid storage battery provided with an AGM separator into a vacuum acid adding machine, and filling low-density acid liquor with the volume of 50-80% of the process acid amount required by the battery into the battery through the vacuum acid adding machine;
step 2, adding the high-density acid liquor with the volume of the residual process acid amount into the battery through another vacuum acid adding machine; and then the process is transferred to a charging process.
2. The acid adding method for improving the acid specific gravity of the separator of the valve-regulated lead-acid storage battery according to claim 1, wherein the acid adding method comprises the following steps: the low-density acid solution in the step 1 is 1.10-1.20g/cm3An acid density electrolyte.
3. The acid adding method for improving the acid specific gravity of the valve-regulated lead-acid battery separator according to claim 1 or 2, wherein the acid adding method comprises the following steps: the high-density acid liquor in the step 2 is 1.40g/cm3An acid density electrolyte.
4. The acid adding method for improving the acid specific gravity of the separator of the valve-regulated lead-acid storage battery according to claim 1, wherein the acid adding method comprises the following steps: and step 2, cooling the charging heat release in the charging process, controlling the ambient temperature and keeping the temperature stable in the charging process.
5. The acid adding method for improving the acid specific gravity of the separator of the valve-regulated lead-acid storage battery according to claim 1, wherein the acid adding method comprises the following steps: in the step 1 and the step 2, the acid adding speed is controlled so that the acid is slowly and uniformly added during the acid adding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411911.3A CN113285184A (en) | 2021-04-16 | 2021-04-16 | Acid adding method for improving acid specific gravity of valve-controlled lead-acid storage battery separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411911.3A CN113285184A (en) | 2021-04-16 | 2021-04-16 | Acid adding method for improving acid specific gravity of valve-controlled lead-acid storage battery separator |
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|---|---|
| CN113285184A true CN113285184A (en) | 2021-08-20 |
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|---|---|---|---|
| CN202110411911.3A Pending CN113285184A (en) | 2021-04-16 | 2021-04-16 | Acid adding method for improving acid specific gravity of valve-controlled lead-acid storage battery separator |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199186A (en) * | 1981-06-02 | 1982-12-07 | Yuasa Battery Co Ltd | Activation of instantaneous lead acid battery |
| JPS59148282A (en) * | 1983-02-14 | 1984-08-24 | Yuasa Battery Co Ltd | Manufacturing method for sealed type lead storage battery |
| JPS59184457A (en) * | 1983-04-04 | 1984-10-19 | Matsushita Electric Ind Co Ltd | Formation of sealed lead storage battery |
| JP2002352849A (en) * | 2001-05-24 | 2002-12-06 | Yuasa Corp | Manufacturing method for sealed lead storage battery |
| CN101673843A (en) * | 2009-10-21 | 2010-03-17 | 风帆股份有限公司 | Lead-acid battery formation method |
| JP2017162755A (en) * | 2016-03-11 | 2017-09-14 | 東ソー株式会社 | Separator |
| CN109148815A (en) * | 2018-07-18 | 2019-01-04 | 天能电池集团有限公司 | A kind of long-life lead storage battery acid adding chemical synthesizing method |
| CN111354984A (en) * | 2020-01-19 | 2020-06-30 | 超威电源集团有限公司 | Method for manufacturing lead-acid storage battery |
-
2021
- 2021-04-16 CN CN202110411911.3A patent/CN113285184A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199186A (en) * | 1981-06-02 | 1982-12-07 | Yuasa Battery Co Ltd | Activation of instantaneous lead acid battery |
| JPS59148282A (en) * | 1983-02-14 | 1984-08-24 | Yuasa Battery Co Ltd | Manufacturing method for sealed type lead storage battery |
| JPS59184457A (en) * | 1983-04-04 | 1984-10-19 | Matsushita Electric Ind Co Ltd | Formation of sealed lead storage battery |
| JP2002352849A (en) * | 2001-05-24 | 2002-12-06 | Yuasa Corp | Manufacturing method for sealed lead storage battery |
| CN101673843A (en) * | 2009-10-21 | 2010-03-17 | 风帆股份有限公司 | Lead-acid battery formation method |
| JP2017162755A (en) * | 2016-03-11 | 2017-09-14 | 東ソー株式会社 | Separator |
| CN109148815A (en) * | 2018-07-18 | 2019-01-04 | 天能电池集团有限公司 | A kind of long-life lead storage battery acid adding chemical synthesizing method |
| CN111354984A (en) * | 2020-01-19 | 2020-06-30 | 超威电源集团有限公司 | Method for manufacturing lead-acid storage battery |
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| PB01 | Publication | ||
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Application publication date: 20210820 |